Face portrait synthesis method based on greedy search
A technology of face portrait and synthesis method, applied in the field of image processing, can solve the problems of unnatural synthetic portrait, block effect details and lack of synthetic portrait.
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[0034] refer to figure 1 , the concrete implementation steps of the present invention are as follows:
[0035] Step 1, divide the database sample set.
[0036] Change all portraits and photos in the CUFS database from color images to grayscale images, and then divide the grayscale images into dictionary training photo sample set A and synthetic training photo sample set B p , synthetic training image sample set B s and test photo sample set, where, B p Each photo in and B s Each portrait corresponding to belongs to the same person;
[0037] A test photo P is selected from the test photo sample set.
[0038] Step 2, get training photo block feature dictionary D p .
[0039] 2a) Divide the photos in the dictionary training photo sample set A into blocks of the same size and the same degree of overlap, and obtain the dictionary training photo block set S A ;
[0040] 2b) For dictionary training photo block set S A Using effective sparse coding method for dictionary learni...
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