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Scientific and Technical Journal
ELECTROTECHNIC AND COMPUTER SYSTEMS
ISSN Print 2221-3937
ISSN Online 2221-3805
Automated electromechanical systems
Electric machines and semiconductor converters
General Electrical Engineering
Power Saving by means of the Modern Electrical Engineering
Information Science and Computer Technics
Artificial Intellect Systems
Computer Systems, Networks and their Components
Information systems and technologies
Protection of an information in computer systems
Automation of control processes
Design, Control and Diagnostics
Metrology, Standardization and Certification
Simulation of dynamic systems
Innovation in the educational process
Innovations in Education, Science and Industry
Project and Program Control
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ANALYSIS OF SKELETONIZATION ALGORITHMS’ FOR BYNARY IMAGES
Binary images skeletons constructing algorithms have been studied. The modern definition of a plane figure skeleton was clarified. The review and classification of existing skeletonization algorithms skeletonization has been performed. Algorithms were classified according to the technique of image processing inside the frame and according to the applied principles of skeletonization. There was marked that the skeleton of a plane figure constructing is Hadamard's ill-posed problem. Incorrectness of the problem produces the faults in resulting skeleton of two types - the formation of false skeleton branches and a violation of its continuity. Two quality indexes of the skeleton that cha-racterize these faults have been introduced for a quantitative comparison of different algorithms. The computing speed has been selected as another measure for comparing the performance of different algorithms. The computing speed is estimated with time of the skeleton constructing procedure for a given algorithm. This estimation should be carried out on the same hardware and software platform to provide comparability of different procedures. Five of the most popular algorithms were chosen to compare the quality of skeletonization: classical morphological skeletonization, two parallel iterative algorithms - Zhang-Suen's and Guo-Hall's ones, iterative sequential Stentiford's algorithm and high quality sequential algorithm by Schepin-Nepomnyaschiy. The algorithms have been implemented as a software in C ++ using OpenCV library in a cost-average performance computing platform for a comparative analysis. The frames of video stream of human moving with the size is 640 * 480 pixels obtained by the consumer webcam were used as original images for skeletonization. A comparative analysis was conducted from the view of the applicability of algorithms in the remote motor rehabilitation of patients. The figure skeletonization algorithm inside the frame is the most resource-intensive computing operation in such systems. Therefore, the purpose of the comparative analysis was skeletonization algorithm selection that works in near-real time and provides a sufficiently high quality skeleton for further patient's movement analysis. The analysis was conducted for processed 340 images from the motor rehabilitation database. It was established that a compromise for motor rehabilitation systems is the Zhang-Suen's algorithm. This algorithm combines high speed with high quality of produced skeleton.
Boltenkov Viktor O.
( firstname.lastname@example.org )
Maljavіn Dmytro V.
( email@example.com )
Nhuen Hui Kionh
( firstname.lastname@example.org )
binary image, skeletonization algorithms, computing speed performance, real-time system, motor rehabilitation
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№ 17(93), 2015
22 Aug 2019
26 Feb 2019
About the transition of the Journal "ELECTRICAL AND COMPUTER SYSTEMS" to the OJS platform.
27 July 2018
15 May 2017
Про науково-технічну конференцію «Електротехнічні та комп’ютерні системи: теорія і практика»
KarelWintersky ] [
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