Wyniki wyszukiwania dla: TEXTUAL CLASSIFICATION

• Journal of Classification

  Czasopisma

  ISSN: 0176-4268 , eISSN: 1432-1343

• Cataloging & Classification Quarterly

  Czasopisma

  ISSN: 0163-9374 , eISSN: 1544-4554

• Vegetation Classification and Survey

  Czasopisma

  eISSN: 2683-0671

• Management of Textual Data at Conceptual Level

  Publikacja

  • J. Szymański

  - Rok 2011

  The article presents the approach to the management of a large repository of documents at conceptual level. We describe our approach to representing Wikipedia articles using their categories. The representation has been used to construct groups of similar articles. Proposed approach has been implemented in prototype system that allows to organize articles that are search results for a given query. Constructed clusters allow to...

• Textual Practice

  Czasopisma

  ISSN: 0950-236X , eISSN: 1470-1308

• Advances in Data Analysis and Classification

  Czasopisma

  ISSN: 1862-5347 , eISSN: 1862-5355

• The algorithm of building the hierarchical contextual framework of textual corpora

  Publikacja

  • N. Rizun
  • W. Waloszek

  - Rok 2018

  This paper presents an approach for Modeling the Latent Semantic Relations. The approach is based on advantages of two computational approaches: Latent Semantic Analysis and Latent Dirichlet Allocation. The scientific question about the possibility of reducing the influence of these Methods limitation on the Quality of the Latent Semantic Relations Analysis Results is raised. The case study for building the Two-level Hierarchical Contextual...

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• ISSUES OF CLASSIFICATION FUNCTION CONTINUITY IN ENDOSCOPIC VIDEO CLASSIFICATION

  Publikacja

  • A. Blokus
  • A. Brzeski
  • J. Cychnerski

  - Rok 2013

  In the article a new way of analyzing the properties of feature vector functions (FVF) and classiers of images in a video stream is proposed. The general idea is based on focusing of the perceived continuity of the FVF and classier functions. Issues related to creating an exact mathematical model are discussed and a simplied solution is proposed. An exemplary algorithm is evaluated on three exemplary video sequences. The acquired...

• Sequential classification.

  Publikacja

  • A. Kołakowska
  • W. Malina

  - Rok 2003

  Opisano uogólniony algorytm konstrukcji klasyfikatora sekwencyjnego. Uogólnienie polega na tym, że zbiór klas dzielimy na dwie grupy zamiast oddzielania po jednej klasie w każdym kroku uczenia klasyfikatora. Eksperymenty potwierdzały lepsze własności klasyfikatora.

• Towards a Framework for Context Awareness Based on Textual Process Data

  Publikacja

  • A. Revina
  • N. Rizun
  • A. Ünal

  - Rok 2023

  Context awareness is critical for the successful execution of processes. In the abundance of business process management (BPM) research, frameworks exclusively devoted to extracting context from textual process data are scarce. With the deluge of textual data and its increasing value for organizations, it be-comes essential to employ relevant text analytics techniques to increase the awareness of business process (BP) workers,...

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• Improving the Workflow for Creation of Textual Versions of Polish Historical Documents

  Publikacja

  • A. Dudczak
  • M. Kmieciak
  • C. Mazurek
  • M. Stroiński
  • M. Werla
  • J. Węglarz

  - Rok 2013

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• Classification methods and criteria

  Publikacja

  • A. Stepnowski
  • Y. Simard

  - Rok 2007

  Klasyfikacja akustyczna dna morskiego jest najnowszą metodologią zaprojektowaną w celu zdalnego wykrywania rozmaitych charakterystyk dna morskiego z informacji zawartych w echch od dna akustycznych impulsów transmitowanych z różnego typu sonarów. Poza szególnymi chrakterystykami sprzętowymi każdego systemu ASC, istotą każdej metody jest klasyfikacja modułu, który wyciąga serie cech z echa sygnału i przetwarza je aby posortować...

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• Discovery of Stylistic Patterns in Business Process Textual Descriptions: IT Ticket Case

  Publikacja

  • N. Rizun
  • A. Revina
  • V. Maister

  - Rok 2019

  Growing IT complexity and related problems, which are reflected in IT tickets,create a need for new qualitative approaches. The goal isto automate the extraction of main topics described in tickets in order to provide high quality support for the IT process workers and enablea smooth service delivery to the end user. Present paper proposes a method of knowledge extraction in a form of stylistic patterns in business...

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• Method of Decision-Making Logic Discovery in the Business Process Textual Data

  Publikacja

  • N. Rizun
  • A. Revina
  • V. Meister

  - Rok 2019

  Growing amount of complexity and enterprise data creates a need for novel business process (BP) analysis methods to assess the process optimization opportunities. This paper proposes a method of BP analysis while extracting the knowledge about Decision-Making Logic (DML) in a form of taxonomy. In this taxonomy, researchers consider the routine, semi-cognitive and cognitive DML levels as functions of BP conceptual aspects of Resources,...

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• A Framework for Adaptive and Integrated Classification

  Publikacja

  • I. Czarnowski
  • P. Jȩdrzejowicz

  - Rok 2008

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• A System for Heart Sounds Classification

  Publikacja

  • G. Redlarski
  • D. Gradolewski
  • A. Pałkowski

  - PLOS ONE - Rok 2014

  The future of quick and efficient disease diagnosis lays in the development of reliable non-invasive methods. As for the cardiac diseases – one of the major causes of death around the globe – a concept of an electronic stethoscope equipped with an automatic heart tone identification system appears to be the best solution. Thanks to the advancement in technology, the quality of phonocardiography signals is no longer an issue. However,...

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• International Journal of Nursing Terminologies and Classifications

  Czasopisma

  ISSN: 1541-5147

• LEGO bricks for training classification network

  Dane Badawcze

  wersja 1.1 open access

  • T. Boiński
  • S. Zaraziński
  • B. Śledź

  - seria: LEGO

  The data set contains images of 447 different classes of LEGO bricks used for training LEGO bricks classification network. The dataset contains two types of images: photos (10%) and renders (90%) aggregated into respective directories. Each directory (photos and renders) contains 447 directories labeled as the official brick type number. The images...

• Automatic classification of singing voice quality

  Publikacja

  • B. Kostek
  • P. Żwan

  - Rok 2005

  W artykule przedstawiono zagadnienia związane z automatyczną klasyfikacją jakości i rodzajów głosów śpiewaczych. Na potrzebę takiej klasyfikacji stworzono bazę głosów śpiewaczych, w której dokonano parametryzacji nagrań samogłosech śpiewanych przez różnych wokalistów (zarówno profesjonalistów jak i amatorów) na różnych wysokościach i z różną głośnością. W celu ograniczenia wymiaru wektora opisu zastosowano statystykę Behrensa Fishera...

• Seabed classification using multibeam echosounder

  Publikacja

  • Z. Łubniewski
  • A. Chybicki

  - Rok 2008

  The method of seabed identification and classification from multibeam sonar echoes is presented. The proposed approach is based on calculation of a set of parameters of an echo envelope, similarly as in seafloor classification using single beam echosounder. These parameters are extracted for each consecutive beam allowing the estimation of their dependence on the seafloor incident angle. The relation between seabed type and calculated...

• Seafloor classification using multibeam sonar

  Publikacja

  • Z. Łubniewski
  • A. Chybicki

  - HYDROACOUSTICS - Rok 2009

  ...

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• On-Board Detection, Classification and Evaluation of Nonlinearities

  Publikacja

  • W. Toczek
  • M. Kowalewski

  - Rok 2006

  Artykuł prezentuje tester wbudowany BIT przeznaczony do wydobywania informacji diagnostycznej z sygnału generowanego przy zastosowaniu oscylacyjnej metody testowania. Układ bazujący na technice modulacji Sigma-Delta i sztucznych sieciach neuronowych może wykrywać nieliniowość w sygnale testującym, określać rodzaj nieliniowości i szacować zawartość harmonicznych.

• Proposal of a new tolerances classification system

  Publikacja

  • E. Urbańska-Galewska

  - Rok 2006

  W referacie przedstawiono ocenę obowiązującego obecnie systemu określania tolerancji w konstrukcjach stalowych oraz zaproponowano nowy system doboru tolerancji, odpowiadający wymaganiom współczesnych metod wytwarzania konstrukcji stalowych. Na potrzeby systemu wprowadzono klasyfikację wymiarów konstrukcji oraz pojęcia ''koordynac8yjnych wymiarów montażowych'', ''pętli montażowej'' oraz ''stanu granicznego montażu''. W proponowanym...

• Proposal of a new tolerances classification system

  Publikacja

  • E. Urbańska-Galewska

  - Rok 2006

  W referacie przedstawiono ocenę obowiązującego obecnie systemu określania tolerancji w konstrukcjach stalowych oraz zaproponowano nowy system doboru tolerancji, odpowiadający wymaganiom współczesnych metod wytwarzania konstrukcji stalowych. Na potrzeby systemu wprowadzono klasyfikację wymiarów konstrukcji oraz pojęcia ''koordynac8yjnych wymiarów montażowych'', ''pętli montażowej'' oraz ''stanu granicznego montażu''. W proponowanym...

• Towards automatic classification of Wikipedia content

  Publikacja

  • J. Szymański

  - LECTURE NOTES IN COMPUTER SCIENCE - Rok 2010

  Artykuł opisuje podejście do automatycznej klasyfikacji artykułów w Wikipedii. Przeanalizowane zostały reprezentacje tekstu bazujące na treści dokumentu i wzajemnych powiązaniach. Przedstawiono rezultaty zastosowania klasyfikatora SVM.

• Image Classification Based on Video Segments

  Publikacja

  • A. Blokus

  - Rok 2018

  In the dissertation a new method for improving the quality of classifications of images in video streams has been proposed and analyzed. In multiple fields concerning such a classification, the proposed algorithms focus on the analysis of single frames. This class of algorithms has been named OFA (One Frame Analyzed).In the dissertation, small segments of the video are considered and each image is analyzed in the context of its...

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• Physics augmented classification of fNIRS signals

  Publikacja

  • F. Orihuela-Espina
  • M. Rojas-Cisneros
  • S. A. Montero-Hernández
  • J. S. Garcia Salinas
  • B. Cuervo-Soto
  • J. Herrera-Vega

  - Rok 2022

  Background. Predictive classification favours performance over semantics. In traditional predictive classification pipelines, feature engineering is often oblivious to the underlying phenomena. Hypothesis. In applied domains such as functional Near Infrared Spectroscopy (fNIRS), the exploitation of physical knowledge may improve the discriminative quality of our observation set. Aims. Give exemplary evidence that intervening the...

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• Towards a classification of networks with asymmetric inputs

  Publikacja

  • M. Aguiar
  • A. Dias
  • P. Da Costa Soares

  - NONLINEARITY - Rok 2021

  Coupled cell systems associated with a coupled cell network are determined by (smooth) vector fields that are consistent with the network structure. Here, we follow the formalisms of Stewart et al (2003 SIAM J. Appl. Dyn. Syst. 2, 609–646), Golubitsky et al (2005 SIAM J. Appl. Dyn. Syst. 4, 78–100) and Field (2004 Dyn. Syst. 19, 217–243). It is known that two non-isomorphic n-cell coupled networks can determine the same sets of...

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• On Algorithm Details in Multibeam Seafloor Classification

  Publikacja

  • Z. Łubniewski
  • D. Sęk

  - HYDROACOUSTICS - Rok 2017

  Remote sensing of the seafloor constitutes an important topic in exploration, management, protection and other investigations of the marine environment. In the paper, a combined approach to seafloor characterisation is presented. It relies on calculation of several descriptors related to seabed type using three different types of multibeam sonar data obtained during seafloor sensing, viz.: 1) the grey-level sonar images (echograms)...

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• Modeling of textural anisotropy in granular materials with micro-polar hypoplasticity

  Publikacja

  • J. Tejchman
  • W. Wu

  - INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS - Rok 2007

  W artykule przedstawiono wyniki numerycznej wpływu anizotropii strukturalnej w materiałach granulowanych na powstawanie lokalizacji odkształceń. Obliczenia wykonano dla ściskania w płaskim stanie odkształcenia stosując metodę elementów skończonych na bazie mikropolarnego prawa hipoplastycznego. Wpływ anizotropii modelowano stosując skorelowane pola początkowego wskaźnika porowatości.

• Assessing business process complexity based on textual data: Evidence from ITIL IT ticket processing

  Publikacja

  • N. Rizun
  • A. Revina
  • V. Maister

  - Business Process Management Journal - Rok 2021

  Purpose This study aims to draw the attention of business process management (BPM) research and practice to the textual data generated in the processes and the potential of meaningful insights extraction. The authors apply standard natural language processing (NLP) approaches to gain valuable knowledge in the form of business process (BP) complexity concept suggested in the study. It is built on the objective, subjective and meta-knowledge...

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• Textus

  Czasopisma

  ISSN: 0082-3767 , eISSN: 2589-255X

• Face Recognition: Shape versus Texture

  Publikacja

  • M. Smiatacz

  - Rok 2015

  This paper describes experiments related to the application of well-known techniques of the texture feature extraction (Local Binary Patterns and Gabor filtering) to the problem of automatic face verification. Results of the tests show that simple image normalization strategy based on the eye center detection and a regular grid of fiducial points outperforms the more complicated approach, employing active models that are able to...

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• Recent developments in automatic classification of musical instruments

  Publikacja

  • B. Kostek

  - Journal of the Acoustical Society of America - Rok 2002

  W referacie dokonano przeglądu aktualnego stanu badań w dziedzinie automatycznego rozpoznawania muzyki. Przedstawiono też eksperymenty prowadzone aktualnie w Katedrze Dźwięku i Obrazu PG. Prace te dotyczyły rozpoznawania klas instrumentów muzycznych i separacji duetów muzycznych. Pokazano przykładowe wyniki i przedstawiono projekt prac do zrealizowania w przyszłych eksperymentach.

• Classification of homotopy classes of equivariant gradient maps

  Publikacja

  • K. Gęba
  • S. Rybicki

  - Rok 2005

  Niech V będzie ortogonalną reprezentacją zwartej grupy Liego Gi niech S(V),D(V) oznaczają sferę jednostkową i kulę jednostkową V.Jeżeli F jest G-niezmienniczą funkcją rzeczywistą klasy C^1 na Vto mówimy, że grad F (gradient F) jest dopuszczalny, jeżeli(grad F)(x) jest różny od zera dla x należących do S(V). Pracapoświęcona jest homotopijnej klasyfikacji dopuszczalnychG-niezmienniczych odwzorowań gradientowych.

• Endoscopic Video Classification with the Consideration of Temporal Patterns

  Publikacja

  • A. Blokus
  • A. Brzeski
  • J. Cychnerski
  • M. Jędrzejewski

  - Rok 2012

  The article describes a novel approach to automatic recognition and classification of diseases in endoscopic videos. Current directions of research in this field are discussed. Most presented methods focus on processing single frames and do not take into consideration the temporal relationship between continuous classifications. Existing approaches that consider the temporal structure of an incoming frame sequence are focused on...

• Using multibeam echoes in seafloor characterisation and classification

  Publikacja

  • Z. Łubniewski

  - HYDROACOUSTICS - Rok 2008

  The method of seabed identification and classification from multibeam sonar echoes is presented. The proposed approach is based on calculation of a set of parameters of an echo envelope, similarly as in seafloor classification using single beam echosounder. These parameters are extracted for each consecutive beam allowing the estimation of their dependence on the seafloor incident angle. The relation between seabed type and calculated...

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• Motion analysis and classification with motion history imaging

  Publikacja

  • P. Szczuko

  - Rok 2009

• Text Documents Classification with Support Vector Machines

  Publikacja

  • P. Majewski

  - Rok 2008

• Molecular Classification of Low-Grade Diffuse Gliomas

  Publikacja

  • Y. Kim
  • S. Nobusawa
  • M. Mittelbronn
  • W. Paulus
  • B. Brokinkel
  • K. Keyvani
  • U. Sure
  • K. Wrede
  • Y. Nakazato
  • Y. Tanaka... i 7 innych

  - AMERICAN JOURNAL OF PATHOLOGY - Rok 2010

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• Cluster-based instance selection for machine classification

  Publikacja

  • I. Czarnowski

  - KNOWLEDGE AND INFORMATION SYSTEMS - Rok 2012

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• An Approach to Data Reduction and Integrated Machine Classification

  Publikacja

  • I. Czarnowski
  • P. Jȩdrzejowicz

  - NEW GENERATION COMPUTING - Rok 2010

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• New methods of underwater ship noise classification

  Publikacja

  • E. Kozaczka
  • S. Kozaczka

  - HYDROACOUSTICS - Rok 2006

  Detekcja, klasyfikacj, identyfikacja i rozpoznanie cech hałasu generowanego przez statki jest bardzo istotna z punku widzenia naukowego i obronnego. Włożono wiele wysiłku w rozwój technologii sonarów pasywnych, która umożliwia zastosowanie hałasów podwodnych do celów praktycznych. Przedstawiono wyniki badań, które ukazują możliwości wykorzystania sieci neuronowej do klasyfikacji źródeł generowanych przez układy mechaniczne, odpowiadających...

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• Data reduction and stacking for imbalanced data classification

  Publikacja

  • I. Czarnowski
  • P. Jędrzejowicz

  - Journal of Intelligent & Fuzzy Systems - Rok 2019

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• Vehicle classification based on soft computing algorithms

  Publikacja

  • P. Dalka
  • A. Czyżewski

  - LECTURE NOTES IN COMPUTER SCIENCE - Rok 2010

  Experiments and results regarding vehicle type classification are presented. Three classes of vehicles are recognized: sedans, vans and trucks. The system uses a non-calibrated traffic camera, therefore no direct vehicle dimensions are used. Various vehicle descriptors are tested, including those based on vehicle mask only and those based on vehicle images. The latter ones employ Speeded Up Robust Features (SURF) and gradient images...

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• Selection of Features for Multimodal Vocalic Segments Classification

  Publikacja

  • S. Zaporowski
  • A. Czyżewski

  - Rok 2018

  English speech recognition experiments are presented employing both: audio signal and Facial Motion Capture (FMC) recordings. The principal aim of the study was to evaluate the influence of feature vector dimension reduction for the accuracy of vocalic segments classification employing neural networks. Several parameter reduction strategies were adopted, namely: Extremely Randomized Trees, Principal Component Analysis and Recursive...

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• Impact of optimization of ALS point cloud on classification

  Publikacja

  • W. Błaszczak-Bąk
  • A. Sobieraj-Żłobińska

  - Technical Sciences / University of Warmia and Mazury in Olsztyn - Rok 2013

  Airborne laser scanning (ALS) is one of the LIDAR technologies (Light Detection and Ranging). It provides information about the terrain in form of a point cloud. During measurement is acquired: spatial data (object’s coordinates X, Y, Z) and collateral data such as intensity of reflected signal. The obtained point cloud is typically applied for generating a digital terrain model (DTM) and a digital surface model (DSM). For DTM...

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• Automatic Classification of Polish Sign Language Words

  Publikacja

  • T. Dziubich
  • J. Szymański

  - Przegląd Elektrotechniczny - Rok 2014

  In the article we present the approach to automatic recognition of hand gestures using eGlove device. We present the research results of the system for detection and classification of static and dynamic words of Polish language. The results indicate the usage of eGlove allows to gain good recognition quality that additionally can be improved using additional data sources such as RGB cameras.

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• Comparison of selected electroencephalographic signal classification methods

  Publikacja

  • K. E. Mrozik
  • A. Kurowski
  • B. Kostek
  • A. Czyżewski

  - Rok 2017

  A variety of methods exists for electroencephalographic (EEG) signals classification. In this paper, we briefly review selected methods developed for such a purpose. First, a short description of the EEG signal characteristics is shown. Then, a comparison between the selected EEG signal classification methods, based on the overview of research studies on this topic, is presented. Examples of methods included in the study are: Artificial...

• Mask Detection and Classification in Thermal Face Images

  Publikacja

  • N. Kowalczyk
  • M. Sobotka
  • J. Rumiński

  - IEEE Access - Rok 2023

  Face masks are recommended to reduce the transmission of many viruses, especially SARS-CoV-2. Therefore, the automatic detection of whether there is a mask on the face, what type of mask is worn, and how it is worn is an important research topic. In this work, the use of thermal imaging was considered to analyze the possibility of detecting (localizing) a mask on the face, as well as to check whether it is possible to classify...

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• Multibeam Sonar Data Processing for Seafloor Classification

  Publikacja

  • Z. Łubniewski
  • A. Stepnowski
  • D. Sęk

  - Rok 2017

  Despite many years of the development of methodology for sensing the seafloor by means of underwater acoustics, the currently used techniques are still not mature enough and not ready to be utilised in numerous different (i.e. with respect to a water region character, used equipment type etc.) tasks. Therefore the hydroacoustic methods, both utilising vertical observations (e.g. by singlebeam echosounders), as well as those relying...

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• Neural Architecture Search for Skin Lesion Classification

  Publikacja

  • A. Kwasigroch
  • M. Grochowski
  • A. Mikołajczyk-Bareła

  - IEEE Access - Rok 2020

  Deep neural networks have achieved great success in many domains. However, successful deployment of such systems is determined by proper manual selection of the neural architecture. This is a tedious and time-consuming process that requires expert knowledge. Different tasks need very different architectures to obtain satisfactory results. The group of methods called the neural architecture search (NAS) helps to find effective architecture...

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• The Hough transform in the classification process of inland ships

  Publikacja

  • K. Bobkowska
  • N. Wawrzyniak

  - Zeszyty Naukowe Akademii Morskiej w Szczecinie - Rok 2019

  This article presents an analysis of the possibilities of using image processing methods for feature extraction that allows kNN classification based on a ship’s image delivered from an on-water video surveillance system. The subject of the analysis is the Hough transform which enables the detection of straight lines in an image. The recognized straight lines and the information about them serve as features in the classification...

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• Modeling of textural anisotropy in granular materials with stochastic micro-polar hypoplasticity.

  Publikacja

  • J. Tejchman

  - Rok 2007

  W artykule przedstawiono wyniki numerycznej wpływu anizotropii strukturalnej w materiałach granulowanych na powstawanie lokalizacji odkształceń. Obliczenia wykonano dla ściskania w płaskim stanie odkształcenia stosując metodę elementów skończonych na bazie mikropolarnego prawa hipoplastycznego. Wpływ anizotropii modelowano stosując skorelowane pola początkowego wskaźnika porowatości.

• Quality and Nutritional/Textural Properties of Durum Wheat Pasta Enriched with Cricket Powder

  Publikacja

  • A. Duda
  • J. Adamczak
  • P. Chełmińska
  • J. Juszkiewicz
  • P. Kowalczewski

  - Foods - Rok 2019

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• Road texture influence on tire rolling resistance

  Publikacja

  • S. Taryma
  • J. Ejsmont
  • G. Ronowski
  • B. Świeczko-Żurek
  • P. Mioduszewski
  • M. Drywa
  • R. Woźniak

  - Key Engineering Materials - Rok 2014

  Tire rolling resistance is one of the most important resistive forces acting on road vehicles. It depends on tire and surface characteristics as well as vehicle operating parameters. This paper deals with the influence of road surface texture on rolling resistance of passenger car tires. Results of road measurements performed on variety of road surfaces are presented.

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• Reduction of the end-effect in surface texture analysis

  Publikacja

  • P. Podulka

  - Journal of Physics : Conference Series - Rok 2021

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• Road texture influence on tyre rolling resistance

  Publikacja

  • J. Ejsmont
  • G. Ronowski
  • B. Świeczko-Żurek
  • S. Sommer

  - Road Materials and Pavement Design - Rok 2017

  Tyre performance, one of the critical factors for vehicle users, is strongly related to theroad surface characteristics, most notably to the pavement texture. Phenomena that occur at the tyre/road interface affect tyre friction (skid resistance), rolling resistance, tyre wear and tyre/road noise. This article deals with relationship between surface texture and rolling resistance of light and heavy vehicle tyres. Mean profile depth...

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• Endoscopy images classification with kernel based learning algorithms.

  Publikacja

  • P. Majewski
  • W. Jędruch

  - Rok 2005

  Przedstawiono zastosowanie algorytmów opartych na wektorach wspierających zbudowanych na dwóch różnych funkcjach straty do klasyfikacji obrazów endoskopowych przełyku. Szczegółowo omówiono sposób ekstrakcji cech obrazów oraz algorytm klasyfikacji. Klasyfikator został zastosowany do problemu rozpoznawania zdjęć guzów złośliwych i łagodnych.

• The Use of Electronic Nose for Sunflower and Rapeseed Oil Classification

  Publikacja

  • N. Nosal
  • T. Dymerski
  • J. Namieśnik

  - Rok 2015

  The electronic nose is an analytical device often used in food industries to examine the authenticity of their products. The use of the electronic nose allows for a rapid assessment of the quality of food. The oil samples from sunflower and rapeseed were used in this study. Both oil samples were kept inside the thermostat incubator at different ranging from 20oC to 180oC with increment of 40oC. Principal Component Analysis (PCA)...

• The Use of Electronic Nose for Sunflower and Rapeseed Oil Classification

  Publikacja

  • N. Nosal
  • T. Dymerski
  • J. Namieśnik

  - Rok 2015

  The electronic nose is an analytical device often used in food industries to examine the authenticity of their products. The use of the electronic nose allows for a rapid assessment of the quality of food. The oil samples from sunflower and rapeseed were used in this study. Both oil samples were kept inside the thermostat incubator at different ranging from 20oC to 180oC with increment of 40oC. Principal Component Analysis (PCA)...

• CLASSIFICATION OF RESTRAINTS IN THE OPTIMIZATION PROBLEM OF A COLD-FORMED PROFILE

  Publikacja

  • A. Łukowicz
  • E. Urbańska-Galewska
  • P. Deniziak
  • M. Gordziej-Zagórowska

  - Advances in Science and Technology Research Journal - Rok 2015

  This work describes the restraints in the optimization problem. This is an important and complicated issue because it requires taking into account a vast range of information related to the design and production. In order to describe the relations of a specific optimization problem, it is essential to adopt appropriate criteria and to collect information on all kinds of restraints, i.e. boundary conditions. The following paper...

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• How to Sort Them? A Network for LEGO Bricks Classification

  Publikacja

  • T. M. Boiński
  • K. Zawora
  • J. Szymański

  - LECTURE NOTES IN COMPUTER SCIENCE - Rok 2022

  LEGO bricks are highly popular due to the ability to build almost any type of creation. This is possible thanks to availability of multiple shapes and colors of the bricks. For the smooth build process the bricks need to properly sorted and arranged. In our work we aim at creating an automated LEGO bricks sorter. With over 3700 different LEGO parts bricks classification has to be done with deep neural networks. The question arises...

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• Entropy analysis of surface EMG for classification of face movements

  Publikacja

  • C. Topcu
  • A. Akgul
  • M. Bedeloglu
  • E. Doger
  • R. Sever
  • O. Ozkan
  • O. Ozkan
  • H. Uysal
  • O. Polat
  • O. Colak

  - Rok 2015

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• RFM-based repurchase behavior for customer classification and segmentation

  Publikacja

  • M. Rahim
  • M. Mushafiq
  • S. Khan
  • Z. Arain

  - Journal of Retailing and Consumer Services - Rok 2021

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• Methodology of semiconductor devices classification into groups of differentiated quality

  Publikacja

  • A. Konczakowska

  - MICROELECTRONICS RELIABILITY - Rok 2008

  Zaproponowano klasyfikację przyrządów półprzewodnikowych do grup o zróżnicowanej jakości na podstawie ich szumów własnych z zakresu małych częstotliwości. Przedstawiono metodologię umożliwiającą stwierdzenie, czy zaproponowany parametr szumowy X dla danego typu przyrządu półprzewodnikowego może być stosowany do określenia jakości. Sprecyzowano przebieg badań wstępnych bazujących na ocenie wyników pomiarów szumów własnych z zakresu...

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• Using similar classification tasks in feature extractor learning

  Publikacja

  • J. Dembski
  • W. Jędruch

  - Rok 2009

  The article presents and experimentally verify the idea of automatic construction of feature extractors in classification problems. The extractors are created by genetic programming techniques using classification examples taken from other problems then the problem under consideration.

• Built-in Test Scheme for detection, classification and evaluation of nonlinearities

  Publikacja

  • W. Toczek
  • M. Kowalewski

  - Metrology and Measurement Systems - Rok 2009

  W artykule przedstawiono koncepcję testera wbudowanego (BIST) przeznaczonego do detekcji nieliniowości, klasyfikacji rodzaju nieliniowości i oceny zniekształceń nieliniowych sygnału testowanego, bez użycia drogiego systemu automatycznego testowania. Tester bazuje na modulatorze sigma-delta umieszczonym na pakiecie testowanym i sztucznej sieci neuronowej zaimplementowanej w komputerze osobistym. Koncepcję testera zweryfikowano poprzerz...

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• Classification of high-voltage varistors into groups of differentiated quality

  Publikacja

  • L. Hasse
  • A. Konczakowska
  • J. Smulko

  - MICROELECTRONICS RELIABILITY - Rok 2009

  The research was aimed on defining a factor of quality for high-voltage varistors using Non-Destructive Testing (NDT) techniques, which could be applied during the production testing. The newly proposed parameter Q determined on the basis of the lowest resonant frequency fr measured within the preselected frequency range was taken into account. The parameter Q was defined for ZnO structures after firing, without metallized contacts....

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• Classification of submandibular salivary stones based on ultrastructural studies

  Publikacja

  • J. Wysocka
  • J. Ryl
  • K. Darowicki
  • D. Tretiakow
  • A. Skorek

  - ORAL DISEASES - Rok 2020

  Introduction: Sialolithiasis remains a clinical problem with unclear etiopathogenesis, lack of prevention methods, and only surgical treatment. Materials and methods: An ultrastructure examination of submandibular sialoliths obtained from patients with chronic sialolithiasis was conducted using a scanning electron microscope and X-ray photoelectron...

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• Vocalic Segments Classification Assisted by Mouth Motion Capture

  Publikacja

  • S. Cygert
  • G. Szwoch
  • S. Zaporowski
  • A. Czyżewski

  - Rok 2018

  Visual features convey important information for automatic speech recognition (ASR), especially in noisy environment. The purpose of this study is to evaluate to what extent visual data (i.e. lip reading) can enhance recognition accuracy in the multi-modal approach. For that purpose motion capture markers were placed on speakers' faces to obtain lips tracking data during speaking. Different parameterizations strategies were tested...

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• Selection of Relevant Features for Text Classification with K-NN

  Publikacja

  • J. Balicki
  • H. Krawczyk
  • Ł. Rymko
  • J. Szymański

  - Rok 2013

  In this paper, we describe five features selection techniques used for a text classification. An information gain, independent significance feature test, chi-squared test, odds ratio test, and frequency filtering have been compared according to the text benchmarks based on Wikipedia. For each method we present the results of classification quality obtained on the test datasets using K-NN based approach. A main advantage of evaluated...

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• Parametrization and Correlation Analysis Applied to Music Mood Classification .

  Publikacja

  • B. Kostek
  • M. Piotrowska

  - International Journal of Computational Intelligence Studies - Rok 2013

  The paper presents a study on music mood categorization. First, a review of music mood models is presented. Then, the preparation of a set of music excerpts to be used in the experiments and music parametrization is described. Next, some listening tasks performed to obtain mood descriptors are introduced. Finally,the correlation between mood descriptors and features extracted from parameters is discussed. The paper concludes with...

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• Comparative Analysis of Text Representation Methods Using Classification

  Publikacja

  • J. Szymański

  - CYBERNETICS AND SYSTEMS - Rok 2014

  In our work, we review and empirically evaluate five different raw methods of text representation that allow automatic processing of Wikipedia articles. The main contribution of the article—evaluation of approaches to text representation for machine learning tasks—indicates that the text representation is fundamental for achieving good categorization results. The analysis of the representation methods creates a baseline that cannot...

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• Basic Hand Gestures Classification Based on Surface Electromyography

  Publikacja

  • A. Pałkowski
  • G. Redlarski

  - Computational and Mathematical Methods in Medicine - Rok 2016

  This paper presents an innovative classification system for hand gestures using 2-channel surface electromyography analysis. The system developed uses the Support Vector Machine classifier, for which the kernel function and parameter optimisation are conducted additionally by the Cuckoo Search swarm algorithm. The system developed is compared with standard Support Vector Machine classifiers with various kernel functions. The average...

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• Bi-criteria Data Reduction for Instance-Based Classification

  Publikacja

  • I. Czarnowski
  • J. Jȩdrzejowicz
  • P. Jȩdrzejowicz

  - Rok 2016

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• An Analysis of Neural Word Representations for Wikipedia Articles Classification

  Publikacja

  • J. Szymański
  • N. Kawalec

  - CYBERNETICS AND SYSTEMS - Rok 2019

  One of the current popular methods of generating word representations is an approach based on the analysis of large document collections with neural networks. It creates so-called word-embeddings that attempt to learn relationships between words and encode this information in the form of a low-dimensional vector. The goal of this paper is to examine the differences between the most popular embedding models and the typical bag-of-words...

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• A note on the affective computing systems and machines: a classification and appraisal

  Publikacja

  • P. Weichbroth
  • W. Sroka

  - Procedia Computer Science - Rok 2022

  Affective computing (AfC) is a continuously growing multidisciplinary field, spanning areas from artificial intelligence, throughout engineering, psychology, education, cognitive science, to sociology. Therefore, many studies have been devoted to the aim of addressing numerous issues, regarding different facets of AfC solutions. However, there is a lack of classification of the AfC systems. This study aims to fill this gap by reviewing...

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• Classification of submandibular salivary stones based on ultrastructural studies

  Publikacja

  • D. Tretiakow
  • A. Skorek
  • J. Wysocka
  • K. Darowicki
  • J. Ryl

  - ORAL DISEASES - Rok 2021

  Introduction: Sialolithiasis remains a clinical problem with unclear etiopathogenesis, lack of prevention methods, and only surgical treatment. Materials and methods: An ultrastructure examination of submandibular sialoliths obtained from patients with chronic sialolithiasis was conducted using a scanning electron microscope and X‐ray photoelectron spectroscopy. Results: Based on the results, we divided sialoliths into three types:...

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• Displacement piles - classification and methods for the calculation of bearing capacity.

  Publikacja

  • P. Więcławski
  • K. Gwizdała

  - Przegląd Naukowy Inżynieria i Kształtowanie Środowiska - Rok 2020

  Displacement piles belong to a group of technologies whose main idea is to install or make a pile without extracting ground material. According to definition, contained in PN-EN:1997-1:2008, displacement piles should be considered as driven, pressed in using vibrators and made with the use of spread augers. The classification of piles used so far with regard to the technology of execution is modified. An additional element is the...

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• Towards Cancer Patients Classification Using Liquid Biopsy

  Publikacja

  • S. Cygert
  • F. Górski
  • P. Juszczyk
  • S. Lewalski
  • K. Pastuszak
  • A. Czyżewski
  • A. Supernat

  - Rok 2021

  Liquid biopsy is a useful, minimally invasive diagnostic and monitoring tool for cancer disease. Yet, developing accurate methods, given the potentially large number of input features, and usually small datasets size remains very challenging. Recently, a novel feature parameterization based on the RNA-sequenced platelet data which uses the biological knowledge from the Kyoto Encyclopedia of Genes and Genomes, combined with a classifier...

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• Clothes Detection and Classification Using Convolutional Neural Networks

  Publikacja

  • J. Cychnerski
  • A. Brzeski
  • A. Boguszewski
  • M. Marmołowski
  • M. Trojanowicz

  - Rok 2017

  In this paper we describe development of a computer vision system for accurate detection and classification of clothes for e-commerce images. We present a set of experiments on well established architectures of convolutional neural networks, including Residual networks, SqueezeNet and Single Shot MultiBox Detector (SSD). The clothes detection network was trained and tested on DeepFashion dataset, which contains box annotations...

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• Ranking Speech Features for Their Usage in Singing Emotion Classification

  Publikacja

  • S. Zaporowski
  • B. Kostek

  - Rok 2020

  This paper aims to retrieve speech descriptors that may be useful for the classification of emotions in singing. For this purpose, Mel Frequency Cepstral Coefficients (MFCC) and selected Low-Level MPEG 7 descriptors were calculated based on the RAVDESS dataset. The database contains recordings of emotional speech and singing of professional actors presenting six different emotions. Employing the algorithm of Feature Selection based...

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• Identification, Assessment and Automated Classification of Requirements Engineering Techniques

  Publikacja

  • A. Jarzębowicz
  • K. Sztramski

  - Rok 2019

  Selection of suitable techniques to be used in requirements engineering or business analysis activities is not easy, especially considering the large number of new proposals that emerged in recent years. This paper provides a summary of techniques recommended by major sources recognized by the industry. A universal attribute structure for the description of techniques is proposed and used to describe 33 techniques most frequently...

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• Compulsive sexual behavior and dysregulation of emotion

  Publikacja

  • M. Lew-Starowicz
  • K. Lewczuk
  • I. Nowakowska
  • S. Kraus
  • M. Gola

  - Sexual Medicine Reviews - Rok 2020

  Introduction Dysregulation of emotion (DE) is commonly seen in individuals suffering from compulsive sexual behavior (CSB), as well as represents a crucial element of its common comorbidities like mood, anxiety, and substance use disorders. Aim To investigate the links between CSB and DE. Methods A review of pertinent literature on CSB and DE was performed using EBSCO, PubMed, and Google Scholar databases. Main Outcome Measure...

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• Hypertension and sexual dysfunction: time to act

  Publikacja

  • M. Viigimaa
  • M. Doumas
  • C. Vlachopoulos
  • P. Anyfanti
  • J. Wolf
  • K. Narkiewicz
  • G. Mancia

  - JOURNAL OF HYPERTENSION - Rok 2011

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• Industria Textila

  Czasopisma

  ISSN: 1222-5347

• The Effect of Spikes Occurrence on Surface Texture Parameter Assessments

  Publikacja

  • P. Podulka

  - IOP Conference Series: Materials Science and Engineering - Rok 2019

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• Surface Texture after Turning for Various Workpiece Rigidities

  Publikacja

  • M. Dobrzyński
  • K. Miętka

  - Machines - Rok 2021

  In the paper, we present an analysis of the surface texture of turned parts with L/D (length/diameter) ratios of 6 and 12 and various rigidity values. The studies were carried out on samples made of S355JR steel and AISI 304 stainless steel. A detailed analysis of 2D surface profiles was carried out by using a large number of parameters that allowed us to distinguish significant differences in the surface microgeometry, which confirmed...

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• Rough set based automatic classification of musical instrument sound

  Publikacja

  • A. Wieczorkowska
  • A. Czyżewski

  - Rok 2003

  Referat dotyczy problemu automatycznego rozpoznawania instrumentów muzycznych rozwiązywanego z zastosowaniem, inteligentnych algorytmów decyzyjnych. Wnioski zawarte w referacie dotyczą reprezentacji sygnałów muzycznych, która jest przydatna w procesie automatycznej klasyfikacji instrumentów.

• Meat freshness classification using ultra-fast gas chromatography

  Publikacja

  • W. Wojnowski
  • T. Majchrzak
  • T. Dymerski
  • J. Namieśnik

  - Rok 2016

  Meat constitutes an important component of human diet. In order to ensure that it is safe to consume, it is important to be able to determine whether a particular sample is fresh. To this end, an analysis of the headspace of pork, beef, and poultrywas performed over a period of seven days using ultra-fast gas chromatography. Compounds that may possibly be used as indicators of spoilage were identified. Based on the obtained results...

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• Automatic classification and mapping of the seabed using airborne LiDAR bathymetry

  Publikacja

  • Ł. Janowski
  • P. Tysiąc
  • R. Wróblewski
  • M. Rucińska
  • A. Kubowicz- Grajewska

  - ENGINEERING GEOLOGY - Rok 2022

  Shallow coastal areas are among the most inhabited areas and are valuable for biodiversity, recreation and the economy. Due to climate change and sea level rise, sustainable management of coastal areas involves extensive exploration, monitoring, and protection. Current high-resolution remote sensing methods for monitoring these areas include bathymetric LiDAR. Therefore, this study presents a novel methodological approach to assess...

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• Business angels in the Czech Republic: characteristics and a classification with policy implications

  Publikacja

  • M. Zinecker
  • M. Skalicka
  • A. Balcerzak
  • M. B. Pietrzak

  - Economic Research-Ekonomska Istrazivanja - Rok 2021

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• An Overview of the Development of a Real-Time System for Endoscopic Video Classification

  Publikacja

  • A. Blokus
  • A. Brzeski
  • J. Cychnerski
  • M. Jędrzejewski

  - Rok 2012

  The article presents the results of improving endoscopic image classification algorithms in an effort towards applying them in a real-time diagnosis supporting system. Methods for the detection and removal of personal data are presented and discussed. The currently developed recognition algorithms have been improved in terms of accuracy and performance to make them suitable for a real-life implementation. Their test results are...

• Using angular dependence of multibeam echo features in seabed classification

  Publikacja

  • Z. Łubniewski
  • A. Chybicki

  - Rok 2008

  The new approach to seabed classification based on processing multibeam sonar echoes is presented. The multibeam sonars, besides their well verified and widely used applications like high resolution bathymetry measurements or underwater object imaging, are also the promising tool in seafloor identification and classification, having several advantages over conventional single beam echosounders. The proposed seabed classification...

• Viewpoint independent shape-based object classification for video surveillance

  Publikacja

  • D. Ellwart
  • A. Czyżewski

  - Rok 2011

  A method for shape based object classification is presented.Unlike object dimension based methods it does not require any system calibration techniques. A number of 3D object models are utilized as a source of training dataset for a specified camera orientation. Usage of the 3D models allows to perform the dataset creation process semiautomatically. The background subtraction method is used for the purpose of detecting moving objects...

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• Assessment of sources of uncertainty in macrophyte surveys and the consequences for river classification

  Publikacja

  • R. Staniszewski
  • K. Szoszkiewicz
  • J. Zbierska
  • J. Lesny
  • S. Jusik
  • R. Clarke

  - HYDROBIOLOGIA - Rok 2006

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• Role of various parametres in automatic classification of musical instrument sound.

  Publikacja

  • A. Wieczorkowska
  • A. Czyżewski

  - RED. ZAGR. ANGIELSKI - Rok 2006

  Artkuł dotyczy problemu automatycznej klasyfikacji dźwięków instrumentów muzycznych, w tym głównie wpływu indywidualnych parametrów na proces automatycznego rozpoznawania instrumentów. Parametryzacja wykorzystuje wdirmo Fourierowskie i analizę czasową dźwięków do formowania 14 i 62-parametrowych wektorów cech dystynktywnych. Autorzy porównują jakość rozpoznawania i rozróźnialność instrumentów. Przy ocenach tego typu stosowano drzewa...

• Expert system for automatic classification and quality assessment of singing voices

  Publikacja

  • P. Żwan

  - Rok 2006

  .

• Expert system for automatic classification and quality assessment of singing voices

  Publikacja

  • P. Żwan

  - JOURNAL OF THE AUDIO ENGINEERING SOCIETY - Rok 2006

  .

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