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EURASIP Journal on Advances in Signal Processing

, 2011:106

Image and Video Quality Improvement Techniques for Emerging Applications

Abstract

An efficient algorithm to generate three-dimensional 3D video sequences is presented in this work. The algorithm is based on a disparity map computation and an anaglyph synthesis. The disparity map was first estimated by employing the wavelet atomic functions technique at several decomposition levels in processing a 2D video sequence. Then, we used an anaglyph synthesis to apply the disparity map in a 3D video sequence reconstruction. Compared with the other disparity map computation techniques such as optical flow, stereo matching, wavelets, etc., the proposed approach produces a better performance according to the commonly used metrics structural similarity and quantity of bad pixels. The hardware implementation for the proposed algorithm and the other techniques are also presented to justify the possibility of real-time visualization for 3D color video sequences.

Keywordsdisparity map multi-wavelets anaglyph 3D video sequences quality criteria atomic function DSP List of abbreviationsCCScode composer studio

3Dthree-dimensional

LPlow pass

M-Wmultiple decomposition levels

NCCnormalized cross-correlation

QBDquantity of bad disparities

RBSMregion-based stereo matching

SSDsum of squared difference: WAF: wavelet atomic functions

WTMwavelet transform modulus.

Electronic supplementary materialThe online version of this article doi:10.1186-1687-6180-2011-106 contains supplementary material, which is available to authorized users.

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Autor: Eduardo Ramos-Diaz - Victor Kravchenko - Volodymyr Ponomaryov

Fuente: https://link.springer.com/







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