Image category recognition is important to access visual
information on the level of objects and scene types. So far,
intensity-based descriptors have been widely used. To increase
illumination invariance and discriminative power,
color descriptors have been proposed only recently. As
many descriptors exist, a structured overview of color invariant
descriptors in the context of image category recognition
is required.
Therefore, this paper studies the invariance properties
and the distinctiveness of color descriptors in a structured
way. The invariance properties of color descriptors are
shown analytically using a taxonomy based on invariance
properties with respect to photometric transformations. The
distinctiveness of color descriptors is assessed experimentally
using two benchmarks from the image domain and the
video domain.
From the theoretical and experimental results, it can be
derived that invariance to light intensity changes and light
color changes affects category recognition. The results reveal
further that, for light intensity changes, the usefulness
of invariance is category-specific.
Color descriptor software (with color SIFT) available here@InProceedings{vandeSandeCVPR2008,
author = "van de Sande, K. E. A. and Gevers, T. and Snoek, C. G. M.",
title = "Evaluation of Color Descriptors for Object and Scene Recognition",
booktitle = "IEEE Conference on Computer Vision and Pattern Recognition",
year = "2008",
url = "https://ivi.fnwi.uva.nl/isis/publications/2008/vandeSandeCVPR2008",
pdf = "https://ivi.fnwi.uva.nl/isis/publications/2008/vandeSandeCVPR2008/vandeSandeCVPR2008.pdf",
has_image = 1
}