基于分数对偶树复小波变换的视差估计

Sanoj Kumar, Sanjeev Kumar, N. Sukavanam, B. Raman
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摘要

本文提出了一种基于相位的分数对偶树复小波变换(FrDT-CWT)方法,用于计算给定图像序列的视差流。在该方法中,利用FrFT获得图像的复值函数,并从复解析信号中计算相位。然后用相位差法估计视差作为光流。通过对合成图像序列和真实图像序列的实验,验证了该算法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Disparity estimation using fractional dual tree complex wavelet transform
In this paper, a novel phase based approach using fractional dual tree complex wavelet transform (FrDT-CWT) is proposed for computing disparity flow from a given sequence of images. In the proposed approach, the complex valued function of an image using FrFT is obtained and phases are computed from the complex analytic signal. Disparity is then estimated as the optical flow using the phase difference method. The efficiency of the proposed algorithm is carried out by different experiments on synthetic as well as on realistic image sequences.
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