Features of the calculation of the cross-correlation function in determining the disparity in a stereo vision system
V. M. Gareev,
M. V. Gareev,
S. I. Kondrat'eva,
N. P. Kornyshev,
D. I. Rodionov,
D. A. Serebriakov,
V. A. Karachinov https://doi.org/10.34680/2076-8052.2023.5(134).647-657
Abstract
This article considers the methods of calculating the cross-correlation function in determining the disparity from the images of a stereo pair formed by a stereo vision system. When determining the disparity, it is necessary to find a point on the second image of the stereo pair at a given point of the first image, which can be done by finding the maximum of the cross-correlation function. The possibility of reducing the amount of calculations in the time domain when using a non-positional calculus system, also called a residue number system, is considered. As a result of modeling based on a system of positional calculus and a residue number system using similar-shaped functions shifted along the X axis relative to each other, as well as using real stereo images, the coincidence of the main maxima of the cross-correlation function is shown with a significant reduction in the amount of calculations.
About the Authors
V. M. Gareev
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
M. V. Gareev
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
S. I. Kondrat'eva
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
N. P. Kornyshev
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
D. I. Rodionov
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
D. A. Serebriakov
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
V. A. Karachinov
Yaroslav-the-Wise Novgorod State University
Russian Federation
Russian Federation
Veliky Novgorod
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Review
For citations:
Gareev V.M., Gareev M.V., Kondrat'eva S.I., Kornyshev N.P., Rodionov D.I., Serebriakov D.A., Karachinov V.A. Features of the calculation of the cross-correlation function in determining the disparity in a stereo vision system. Title in english. 2023;(5(134)):647-657. (In Russ.) https://doi.org/10.34680/2076-8052.2023.5(134).647-657
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