Search Results for author: Sonali Patil

Found 2 papers, 0 papers with code

A Comparative Evaluation of SGM Variants (including a New Variant, tMGM) for Dense Stereo Matching

no code implementations22 Nov 2019 Sonali Patil, Tanmay Prakash, Bharath Comandur, Avinash Kak

Our goal here is threefold: [1] To present a new dense-stereo matching algorithm, tMGM, that by combining the hierarchical logic of tSGM with the support structure of MGM achieves 6-8\% performance improvement over the baseline SGM (these performance numbers are posted under tMGM-16 in the Middlebury Benchmark V3 ); and [2] Through an exhaustive quantitative and qualitative comparative study, to compare how the major variants of the SGM approach to dense stereo matching, including the new tMGM, perform in the presence of: (a) illumination variations and shadows, (b) untextured or weakly textured regions, (c) repetitive patterns in the scene in the presence of large stereo rectification errors.

Stereo Matching

A New Stereo Benchmarking Dataset for Satellite Images

no code implementations9 Jul 2019 Sonali Patil, Bharath Comandur, Tanmay Prakash, Avinash C. Kak

Unlike the existing benckmarking datasets, we have also carried out a quantitative evaluation of our groundtruthed disparities using human annotated points in two of the AOIs.


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