Feature point positioning method combined with active shape model and quick active appearance model
A technology of active shape model and feature point location, applied in the field of image processing, can solve the problem of low search accuracy
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[0032] The technical solution of the present invention will be further described in detail below in conjunction with a specific embodiment.
[0033] The images used in the embodiment are from the captured face image library. The whole implementation process is as follows:
[0034] 1. Select 500 face images marked with feature points from the face database to build an ASM model. A face image with marked feature points, such as figure 1 shown. The corresponding 500 shape vectors and texture vectors are processed by principal component analysis to complete the establishment of the Lucas AAM model. In this way, any shape can be expressed as x=x+Pb, and any texture can be expressed as A ( x ) = A 0 ( x ) + Σ i = 1 m ...
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Abstract
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