Color Coherence Vector is a powerful color-based image retrieval.
Here you'll find two files (getCCV,getICCV).
CCV : This is the normal Color Coherence Vector
ICCV : This is an Improved Color Coherence Vector by adding max coherent pixels’ spatial information without affecting the performance
Parallel implementation based on these papers :
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Comparing Images Using Color Coherence Vectors (1996) - http://goo.gl/LkWkbi -
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An Improved Color Coherence Vector - http://goo.gl/FjXHje -
getCCV and getICCV function take an image and return the Color Coherence Vector that describe this Image.
You can compare images using this vector.