Simultaneous image interpolation for stereo images

Authors:
Jing Tian;Li Chen
Affiliations:
School of Computer Science and Technology, Wuhan University of Science and Technology 430081, PR China and Hubei Province Key Laboratory of Intelligent Information Processing and Real-time Industr ...;School of Computer Science and Technology, Wuhan University of Science and Technology 430081, PR China and Hubei Province Key Laboratory of Intelligent Information Processing and Real-time Industr ...
Venue:
Signal Processing
Year:
2013

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Abstract

Simultaneous interpolation of stereo images aims to use a pair of stereo images to reconstruct another pair of images with higher resolutions. To tackle this problem, a simultaneous approach is proposed in this paper. Since the prior image model is important for solving the ill-posed numerical issues encountered in the image interpolation computation, the proposed approach exploits a prior image model that considers both the spatial local smoothness constraint within each reconstructed high-resolution image and the disparity-compensated local smoothness constraint between the pair of reconstructed high-resolution images. The proposed approach requires the disparity to be known in advance or has been accurately estimated by the existing stereo matching algorithm. Experiments are conducted using both artificially generated images and real-life images to demonstrate the superior performance of the proposed approach.