Adam Bujnowski - Publications - Bridge of Knowledge

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Year 2015
  • Active and Dynamic Graphical Code for Object Identification in Healthcare

    A new approach for item marking using two dimensional discrete graphics markers. Proposed solution allow o change the code rapidly, upon request and in the case of thermal markers make the code invisible for unauthorized observers. Connecting the proposed codes with wearable multmedial platform such as eGlasses can create new possibilities in human-environment interaction.

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  • Comparison of active proximity radars for the wearable devices
    Publication

    - Year 2015

    Two methods of object position and movement estimation in relation to the user of smart glasses were investigated. An active infrared and ultrasonic methods of the obstacle detection were presented and compared. Application of these methods depend on active transducers type (physical medium used), geometry and surface properties of detected objects and their movement direction and speed. In the article properties of both detectors...

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  • Feasibility Study for Food Intake Tasks Recognition Based on Smart Glasses
    Publication

    - Journal of Medical Imaging and Health Informatics - Year 2015

    In this exploratory study 13 adult test subjects have performed different food intake tasks while wearing a three axis accelerometer mounted at a temple of glasses. Two different algorithms for task recognition have been applied and compared. The retrospective data processing leads to better task recognition results when the frequency range of 50 Hz to 100 Hz is analysed within accelerometer signal recordings. A straightforward...

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  • Interactions with recognized patients using smart glasses
    Publication

    - Year 2015

    Recently, different smart glasses solutions have been proposed on the market. The rapid development of this wearable technology has led to several research projects related to applications of smart glasses in healthcare. In this paper we propose a general architecture of the system enabling data integration for the recognized person. In the proposed system smart glasses integrates data obtained for the recognized patient from health...

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Year 2014
  • A detector of sleep disorders for using at home

    Obstructive sleep apnea usually requires all-ni ght examination in a specialized clinic, under the supervision of a medical staff. Because of those requirements it is an expensive and a non-widely utilized test. Moving the examination procedure to patients’ home with automatic analysis algorithms involved will decrease the costs and make it available for larger group of patients. The developed device allows all-night recordings...

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  • Analiza aktywności osób z zastosowaniem czujników ruchu

    Artykuł przedstawia zaprojektowany i zrealizowany system monitoringu aktywności osób z wykorzystaniem pasywnych czujników ruchu i metody generacji map aktywności. Pokazano sposób generacji map aktywności oraz wyniki uzyskane dla badań symulacyjnych i z udziałem osób

  • Analysis of activity of people using motion sensors

    The article presents the designed and implemented system for activity monitoring of people using passive motion sensors and methods for activity maps generation. In the paper he method is presented and results obtained for simulated data and for data from observations with the participation of people.

  • ECG-based prediction of ventricular fibrillation by means of the PCA
    Publication

    - Year 2014

    A Sudden Cardiac Death (SCD) is a death resulting from cardiac failure with no significant symptoms earlier than one hour before occurrence. It is the cause of for approximately 400000 deaths per year in United States and millions of deaths worldwide. The proposed system, including two-stage algorithm and wearable diagnostic device allows for SCD risk estimation and continuous monitoring of high risk patients. A single channel...

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  • Head movement compensation algorithm in multi-display communication by gaze
    Publication

    An influence of head movements on the gaze estimation accuracy when using a head mounted eye tracking system is discussed in the paper. This issue has been examined for a multi-display environment. It was found that head movement (rotation) to some extent does not influence on the gaze estimation accuracy seriously. Acceptable results were obtained when using eye-tracker to communicate with a computer via in two displays simultaneously.

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  • Human-computer interactions in speech therapy using a blowing interface
    Publication

    In this paper we present a new human-computer interface for the quantitative measurement of blowing activities. The interface can measure the air flow and air pressure during the blowing activity. The measured values are stored and used to control the state of the graphical objects in the graphical user interface. In speech therapy children will find easier to play attractive therapeutic games than to perform repetitive and tedious,...

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  • Interactions with recognized objects
    Publication

    - Year 2014

    Implicit interaction combined with object recognition techniques opens a new possibility for gathering data and analyzing user behavior for activity and context recognition. The electronic eyewear platform, eGlasses, is being developed, as an integrated and autonomous system to provide interactions with smart environment. In this paper we present a method for the interactions with the recognized objects that can be used for electronic...

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  • Sleep Apnea Detection by Means of Analyzing Electrocardiographic Signal

    Obstructive sleep apnea (OSA) is a condition of cyclic, periodic ob-struction (stenosis) of the upper respiratory tract. OSA could be associated with serious cardiovascular problems, such as hypertension, arrhythmias, hearth failure or peripheral vascular disease. Understanding the way of connection between OSA and cardiovascular diseases is important to choose proper treatment strategy. In this paper, we present a method for integrated...

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Year 2013
Year 2012
Year 2011
Year 2010
Year 2009
  • Complex human computer interface for las patient
    Publication

    W pracy zaprezentowano system umożliwiający komunikację osobie sparaliżowanej z komputerem przy pomocy wzroku.

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  • Eye-mouse for disabled
    Publication

    W pracy przedstawiono projekt urządzenia umożliwiającego komunikację z komputerem za pomocą ruchów gałki ocznej osobom niepełnosprawnym

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  • Różnicowa tomografia impedancyjna
    Publication

    - Year 2009

    W pracy zaprezentowano ideę obrazowania obiektów trójwymiarowych przy pomocy pomiaru impedancji na jego punktach brzegowych. W pracy pokazano podstawy obrazowania przy użyciu pomiaru z wykorzystaniem dwu częstotliwości jednocześnie , pokazano algorytmy rekonstrukcji i przykładowy system pomiarowy wykorzystujący zaproponowaną technikę.

Year 2008
Year 2007
  • Różnicowa tomografia impedancyjna
    Publication

    - Year 2007

    W pracy przedstawiono zagadnienie tomografii impedancyjnej w ujęcu różnicowym, dwuczęstotliwościowym. Przedstawiono podstawy teroetyczne umożliwiające obrazowanie, założenia umożliwiające użycie takich, a nie innych metod rekonstrukcji, przedstawiono metodę doboru sygnału testującego dla założonej metody, opisano także model systemu pomiarowego realizujący założenia w pracy i wyniki rekonstrukcji

Year 2005
Year 2004

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