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  1. Proceedings of the 4th ACM/IEEE international workshop on Analysis and retrieval of tracked events and motion in imagery stream (ARTEMIS '13)
  2. On improving the robustness of variational optical flow against illumination changes
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On improving the robustness of variational optical flow against illumination changes
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On improving the robustness of variational optical flow against illumination changes

Content Provider ACM Digital Library
Author Mertsching, Bärbel Mohamed, Mahmoud A. Puig, Domenec Garcia, Miguel Angel Rashwan, Hatem A.
Abstract The brightness constancy assumption is the base of estimating the flow fields in most differential optical flow approaches. However, the brightness constancy constraint easily violates with any variation in the lighting conditions in the scene. Thus, this work proposes a robust data term against illumination changes based on a rich descriptor. This descriptor extracts the textures features for each image in the two consecutive images using local edge responses. In addition, a weighted non-local term depending on the intensity similarity, the spatial distance and the occlusion state of pixels is integrated within the adapted duality total variational optical flow algorithm in order to obtain accurate flow fields. The proposed model yields state-of-the-art results on the the KITTI optical flow database and benchmark.
Starting Page 1
Ending Page 8
Page Count 8
File Format PDF
ISBN 9781450323932
DOI 10.1145/2510650.2510660
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2013-10-21
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Motion estimation Total variational Large displacement Illumination changes Optical flow
Content Type Text
Resource Type Article
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