Galigekere N. Vishnukumar

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We present an interpolation based approach to model the variation of illumination in images. Our approach allows for both synthesis and analysis of images in different lighting conditions. Hence, our model is a compact representation of the set of all images with the lighting conditions defined within a parametric space. Based on this approach, we propose(More)
In this paper, we propose a novel feature descriptor based on Gabor filters, called Topological Gabor Descriptor. We build a filter bank in such a way that the descriptors are invariant to rotation and scale changes. The filter bank topology enables a simple matching scheme based on the circular shift of descriptors. We evaluate the effectiveness of our(More)
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