Effective reconstruction of stereo images through regularized adaptive disparity estimation scheme

Yong-Ok Kim; Kyung-Hoon Bae; Eun-Soo Kim

doi:10.1117/12.487836

8 August 2003 Effective reconstruction of stereo images through regularized adaptive disparity estimation scheme

Yong-Ok Kim, Kyung-Hoon Bae, Eun-Soo Kim

Proceedings Volume 5108, Visual Information Processing XII; (2003) https://doi.org/10.1117/12.487836
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

In this paper, an effective method of stereo image reconstruction through the regularized adaptive disparity estimation is proposed. Although the conventional adaptive disparity estimation method can sharply improve the PSNR of a reconstructed stereo image, but some problems of overlapping between the matching windows and disallocation of the matching windows can be occurred, because the matching window size changes adaptively in accordance with the magnitude of feature values. Accordingly, in this paper, a new regularized adaptive disparity estimation technique is proposed That is, by regularizing the estimated disparity vector with the neighboring disparity vectors, problems of the conventional adaptive disparity estimation scheme might be solved, and also the predicted stereo image can be more effectively reconstructed. From some experiments using the CCETT'S stereo image pairs of 'Man' and 'Claude', it is analyzed that the proposed disparity estimation scheme can improve PSNRs of the reconstructed images to 10.89dB, 6.13dB for 'Man' and 1.41dB, 0.81dB for 'Claude' by comparing with those of the conventional pixel-based and adaptive estimation method, respectively.

Citation Download Citation

Yong-Ok Kim, Kyung-Hoon Bae, and Eun-Soo Kim "Effective reconstruction of stereo images through regularized adaptive disparity estimation scheme", Proc. SPIE 5108, Visual Information Processing XII, (8 August 2003); https://doi.org/10.1117/12.487836

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KEYWORDS

Reconstruction algorithms

Image processing

3D image processing

Feature extraction

Image restoration

Analytical research

3D image reconstruction

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