About: Circle Detection in Pulsative Medical Video Sequence

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The article deals with a new method for the detection of pulsative circular objects in a medical video sequence. The motivation for investigating this method consists in the fact that a circular object is not very apparent and its detection in such a frame is inaccurate. In some cases of medical images, the pulsative character of the circular area being searched can be used for its localisation. The proposed method starts from an analysis of movement, using optical flow estimation. The compensation of global movement is necessary because only local pulsative movement during the video sequence is assumed. The optical flow estimation is followed by another main processing step: the Hough Transform for the circle position estimation. Circles with expected properties are selected using the Bayes classifier. Finally, the circle position in a single frame is adapted using the analysis of average pixel intensity in the directions starting from the circle centre. The article deals with a new method for the detection of pulsative circular objects in a medical video sequence. The motivation for investigating this method consists in the fact that a circular object is not very apparent and its detection in such a frame is inaccurate. In some cases of medical images, the pulsative character of the circular area being searched can be used for its localisation. The proposed method starts from an analysis of movement, using optical flow estimation. The compensation of global movement is necessary because only local pulsative movement during the video sequence is assumed. The optical flow estimation is followed by another main processing step: the Hough Transform for the circle position estimation. Circles with expected properties are selected using the Bayes classifier. Finally, the circle position in a single frame is adapted using the analysis of average pixel intensity in the directions starting from the circle centre. (en)
Title	Circle Detection in Pulsative Medical Video Sequence Circle Detection in Pulsative Medical Video Sequence (en)
skos:prefLabel	Circle Detection in Pulsative Medical Video Sequence Circle Detection in Pulsative Medical Video Sequence (en)
skos:notation	RIV/00216305:26220/10:PU87438!RIV11-MSM-26220___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(2B06111), P(ME10123), S, Z(MSM0021630513)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Beneš, Radek Říha, Kamil
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	250814
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/10:PU87438
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Circle detection, Video sequence, Optical flow, Hough Transform, Bayes classifyer (en)
http://linked.open.../riv/klicoveSlovo	Circle detection Hough Transform Optical flow Bayes classifyer Video sequence
http://linked.open...ontrolniKodProRIV	[5E9CDBB794C8]
http://linked.open...v/mistoKonaniAkce	Beijing
http://linked.open...i/riv/mistoVydani	Beijing
http://linked.open...i/riv/nazevZdroje	Proceedings of International Conference on Signal Processing, vol. I
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	New Diagnostic Methods of Circulatory System Parameters Recognition Based on Infra-Red Scanning of Blood-Vessels Image. The Research of Algorithms for Processing of Digital Images and Image Sequences
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Beneš, Radek Říha, Kamil
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-10-24 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Advanced Electronic Communication Systems and Technologies (ELCOM)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE Press
https://schema.org/isbn	978-1-4244-5898-1
http://localhost/t...ganizacniJednotka	26220

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