The invention discloses an automatic
analysis method of a tongue color and a
coating color in
traditional Chinese medicine based on
image retrieval, and belongs to the field of interdiscipline of
information science and
traditional Chinese medicine. In view of the characteristics that a result of tongue diagnosis in
traditional Chinese medicine varies with different individuals, has strong subjectivity and lacks of normalization and
standardization, the automatic
analysis method of the tongue color and the
coating color in the traditional Chinese
medicine based on the
image retrieval is designed. The automatic
analysis method is characterized by comprising the following steps of inputting a tongue image to be analyzed by a user, firstly, segmenting a
tongue body region through a
tongue body segmentation technology, carrying out regional division on a
tongue surface, distinguishing a tongue nature region and a
coated tongue region, distinguishing a visual feature of the image in each region so as to form a
feature vector, secondly, computing similarity of the
feature vector and the feature of a tongue picture of a marked tongue image in a feature
library, returning a most similar image as a retrieved result, and lastly, judging the retrieved result by utilizing a method of statistical decision, and respectively giving classification suggestions to the tongue color and the
coating color in the tongue picture. According to the automatic analysis method, a
classification result is more accurate and has a certain practical value.