The Quadratic-Chi Histogram Distance Family Code (C++ and Matlab wrappers)
The code efficiently computes the Quadratic-Chi (QC) histogram distance between two histograms or sparse histograms (also represented as signatures).
The approach was described in the paper: "The Quadratic-Chi Histogram Distance Family" [,
One of the demos (demo_QC4) includes a C++ implementation of the CIEDE2000 color
distance. The CIEDE2000 C++ code is an adaption of Prof. Gaurav Sharma's Matlab code (used with permission).
To get started download the zip file and read the README.txt file, or simply start looking at the demo_QC#.m files.