Research on Techniques of Multifeatures Extraction for Tongue Image and Its Application in Retrieval

<div>Results of three search algorithms based on color and texture. (a) The top 9 results of improved main color histogram retrieval. (b) The top 9 results of improved edge histogram retrieval. (c) The top 9 results of comprehensive main color and edge histogram retrieval.</div>

Computational and Mathematical Methods in Medicine

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Figure 12

Figure 12: Research on Techniques of Multifeatures Extraction for Tongue Image and Its Application in Retrieval 