Dictionary database-based adaptive image super-resolution reconstruction method
A super-resolution reconstruction and database technology, applied in the field of image processing, can solve the problems of high-resolution image quality degradation
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[0150] A specific embodiment of the present invention applied to super-resolution reconstruction of a face image will be described in detail below in conjunction with the accompanying drawings.
[0151] In this embodiment, a face image is selected from the "Georgia Tech" face database. The "Georgia Tech" face database contains face images of 40 people, and each person contains face images from different angles. In this embodiment, 40 frontal images of these 40 people are selected. Since the images in the "Georgia Tech" face database have a large non-face area, it is necessary to cut these 40 images in advance, select the face part, and the cut images are all 300×300 in size. From these 40 images, 30 are randomly selected as training images; the test images are randomly selected from the remaining 10 images, and this embodiment selects figure 2 (b) as a test image. The desired magnification in this embodiment is set to 3, and the specific process is as follows:
[0152] 1 ...
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