NDLI: Stereo disparity computation in the DCT domain using genetic algorithms

Content Provider	IEEE Xplore Digital Library
Author	Pagliari, C.L. Dennis, T.J.
Copyright Year	1997
Description	Author affiliation: Dept. of Electron. Syst. Eng., Essex Univ., Colchester, UK (Pagliari, C.L.)
Abstract	The objective of stereo matching is, given a point in one view of a scene, to find the homologous point in another view from an adjacent camera. We use the discrete cosine transform (DCT) with evolutionary methods as an approach to solve the correspondence problem. The matching process is implemented by generating for each image block sets of DCT coefficients, which when reverse transformed become the estimated disparity map for that block. Assumed statistical properties of the AC coefficients are taken into account, while the DC component is estimated from a preliminary block matching stage. Matching is performed in the image domain using an intensity similarity measure. The job of optimising the DCT coefficients, whose inverse transform gives the disparity, is carried out by a biologically inspired optimisation technique: the genetic algorithm.
Starting Page	256
Ending Page	259
File Size	502943
Page Count	4
File Format	PDF
ISBN	0818681837
DOI	10.1109/ICIP.1997.632080
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete cosine transforms Genetic algorithms Evolution (biology) Biological cells AC generators Systems engineering and theory Layout Cameras Image generation Robots
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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