Change detection based on features invariant to monotonic transforms and spatially constrained matching

Marco Túlio A.  N. Rodrigues; Daniel Balbino de Mesquita; Erickson R. Nascimento; William R. Schwartz

doi:10.1117/1.JEI.25.1.013001

5 January 2016 Change detection based on features invariant to monotonic transforms and spatially constrained matching

Marco Túlio A. N. Rodrigues, Daniel Balbino de Mesquita, Erickson R. Nascimento, William R. Schwartz

Author Affiliations +

Journal of Electronic Imaging, Vol. 25, Issue 1, 013001 (January 2016). https://doi.org/10.1117/1.JEI.25.1.013001

Abstract

In several image processing applications, discovering regions that have changed in a set of images acquired from a scene at different times and possibly from different viewpoints plays a very important role. Remote sensing, visual surveillance, medical diagnosis, civil infrastructure, and underwater sensing are examples of such applications that operate in dynamic environments. We propose an approach to detect such changes automatically by using image analysis techniques and segmentation based on superpixels in two stages: (1) the tuning stage, which is focused on adjusting the parameters; and (2) the unsupervised stage that is executed in real scenarios without an appropriate ground truth. Unlike most common approaches, which are pixel-based, our approach combines superpixel extraction, hierarchical clustering, and segment matching. Experimental results demonstrate the effectiveness of the proposed approach compared to a remote sensing technique and a background subtraction technique, demonstrating the robustness of our algorithm against illumination variations.

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Marco Túlio A. N. Rodrigues, Daniel Balbino de Mesquita, Erickson R. Nascimento, and William R. Schwartz "Change detection based on features invariant to monotonic transforms and spatially constrained matching," Journal of Electronic Imaging 25(1), 013001 (5 January 2016). https://doi.org/10.1117/1.JEI.25.1.013001

Published: 5 January 2016

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