Improving scale invariant feature transform-based descriptors with shape

7 May 2015 Improving scale invariant feature transform-based descriptors with shape–color alliance robust feature

Rui Wang, Zhengdan Zhu, Liang Zhang

Journal of Electronic Imaging, Vol. 24, Issue 3, 033002 (May 2015). https://doi.org/10.1117/1.JEI.24.3.033002

Abstract

Constructing appropriate descriptors for interest points in image matching is a critical aspect task in computer vision and pattern recognition. A method as an extension of the scale invariant feature transform (SIFT) descriptor called shape–color alliance robust feature (SCARF) descriptor is presented. To address the problem that SIFT is designed mainly for gray images and lack of global information for feature points, the proposed approach improves the SIFT descriptor by means of a concentric-rings model, as well as integrating the color invariant space and shape context with SIFT to construct the SCARF descriptor. The SCARF method developed is more robust than the conventional SIFT with respect to not only the color and photometrical variations but also the measuring similarity as a global variation between two shapes. A comparative evaluation of different descriptors is carried out showing that the SCARF approach provides better results than the other four state-of-the-art related methods.

Citation Download Citation

Rui Wang, Zhengdan Zhu, and Liang Zhang "Improving scale invariant feature transform-based descriptors with shape–color alliance robust feature," Journal of Electronic Imaging 24(3), 033002 (7 May 2015). https://doi.org/10.1117/1.JEI.24.3.033002

Published: 7 May 2015

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