Expression recognition method and apparatus
An expression recognition and expression technology, applied in the field of image processing, can solve the problems of high image pixel requirements and low image expression recognition
Active Publication Date: 2016-03-23
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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At present, the main method of facial expression recognition is to establish models or topological structures of various moods such as sadness, corresponding feature areas such as eyes, mouth, eyebrows, etc., and extract feature points in the image such as eyes. pixels, eyebrow pixels, etc., or geometric feature areas such as eye feature areas, mouth feature areas, and compare these feature points or geometric feature areas with established models or topological structures. This process requires The pixel requirements of the image are relatively high, resulting in low recognition of image expressions by the existing technology
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[0059] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0060] Such as figure 1 As shown, the embodiment of the present invention provides an expression recognition method, which may include the following steps:
[0061] Step 101: Determine the mapping relationship between the expression standard value and the mental state;
[0062] Step 102: Determine information of at least one target area in the image;
[0063] Step 103: Calculate the expression value of the image according to the information of at leas...
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The invention provides an expression recognition method and an apparatus. The method includes: determining information of at least a target area in an image via the determination of a mapping relation between an expression standard value and a mental state; calculating an expression value of the image according to the information of the at least one target area; comparing the expression value of the image obtained by calculation and the determined expression standard value; and determining the corresponding mental state of the at least one target area according to the mapping relation between the expression standard value and the mental state. According to the method and the apparatus, the recognizability of image expression is improved.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to an expression recognition method and device. Background technique [0002] Facial expression recognition refers to intelligent analysis and detection of facial expressions in human face images to determine the mood of the recognized object in the human face image, such as sad, happy, hungry, etc. At present, the main method of facial expression recognition is to establish models or topological structures of various moods such as sadness, corresponding feature areas such as eyes, mouth, eyebrows, etc., and extract feature points in the image such as eyes. pixels, eyebrow pixels, etc., or geometric feature areas such as eye feature areas, mouth feature areas, and compare these feature points or geometric feature areas with established models or topological structures. This process requires The pixel requirements of the image are relatively high, resulting in low recogniti...
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IPC IPC(8): G06K9/00
CPCG06V40/175
Inventor 路廷文
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD