A PROPOSAL FOR ONE-IMAGE PHOTOGRAMMETRY SYSTEM FOR MEASURING THE CLEARANCE DISTANCE. CASE STUDY - Publikacja - MOST Wiedzy

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A PROPOSAL FOR ONE-IMAGE PHOTOGRAMMETRY SYSTEM FOR MEASURING THE CLEARANCE DISTANCE. CASE STUDY

Abstrakt

Measurement of the clearance distance (both in the context of the rail and road) is one of the current and increasingly discussed topics in the context of photogrammetric and image processing (computer vision) methods. The article presents a description of a simple and rapid method of measure the clearance distance between the obstacles by using one-image photogrammetry. The proposed method was tested for the railway, tram and road clearance measurements. This method is based on placing (dynamic or static) testing board in the clearance distance between the relevant obstacles. In addition, this method involves the use of non-metric camera to take images with the appropriate distance, which is dependent on the clearance distance. Before taking a picture, the camera should be calibrated and appropriate parameters should be set. Then the pictures are processed using the appropriate software. Finally we have a fully metric image, which can be used for doing measurements. Achieved accuracy oscillated within 1-2 pixels. One of the advantages of this system is the speed of measurements collected at the field session. This method is much more economically and financially efficient than currently known systems for doing such a measurements, which are based on metric cameras or surveying instruments.

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Kategoria:
Aktywność konferencyjna
Typ:
materiały konferencyjne indeksowane w Web of Science
Tytuł wydania:
INFORMATICS, GEOINFORMATICS AND REMOTE SENSING CONFERENCE PROCEEDINGS, SGEM 2016, VOL II strony 775 - 781
ISSN:
1314-2704
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
BARBASIEWICZ A., Bobkowska K., BUJAŁA P., Janowski A., Przyborski M..: A PROPOSAL FOR ONE-IMAGE PHOTOGRAMMETRY SYSTEM FOR MEASURING THE CLEARANCE DISTANCE. CASE STUDY, W: INFORMATICS, GEOINFORMATICS AND REMOTE SENSING CONFERENCE PROCEEDINGS, SGEM 2016, VOL II, 2016, STEF92 TECHNOLOGY LTD,.
Weryfikacja:
Politechnika Gdańska

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