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A Balancing Method to improve efficiency of Stereo Coding
Journal of The Korea Society of Computer and Information
Abbr :
JKSCI
2007, 12(4), pp.87-94
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
2007, 12(4), pp.87-94
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
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Imbalances in focus, luminance and color between stereo pairs could cause disparity vector estimation error and increment of transmission data. If the distribution of errors in residual image is large, it may influence to lowering of compression performance. Therefore, in this paper, we propose an efficient balancing method between stereo pairs to reduce the effect. For this, we registrated stereo images using a FFT based method.to consider the pixels in the occluded region, we eliminated the pixels of blocks which has large error of disparity vector estimation in balancing function estimation. The balancing function has estimated using histogram specification, local information of target image and residual image between stereo images. Experiments show that the proposed method is effective in error distribution, PSNR and disparity vector estimation. We expect that our method can be improving compression efficiency in stereo coding system.
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