A New Normalization Approach for Combining Similarities
There are many scenarios when there is a need to combine different similarities together. It is well known that one should normalize the similarity values before combining them. Common used normalization techniques including normalizing the mean and variance. In this paper, we proposed that besides normalizing the mean and variance, it is sometimes necessary to normalize their value histogram. We employ histogram matching technique, which is a common used technique in image process area, to achieve this. Both toy examples and real-world experiments have confirmed the validity of the proposed approach.