Method for compression of optical field image based on adaptive prediction of macro-pixel blocks
An adaptive prediction and light field image technology, which is applied in image communication, digital video signal modification, electrical components, etc., can solve the problem of limited coding efficiency, increased computational complexity, and the ineffectiveness of macro pixel similarity in light field images. Utilize and other problems to achieve the effect of reducing redundant information, accurate prediction, and realizing coding efficiency
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[0037] The present invention will be further described below with reference to the accompanying drawings and in combination with preferred embodiments.
[0038] Such as figure 1 As shown, the light field image compression method of the present invention is based on macropixel block adaptive prediction, comprising the following steps:
[0039] A1: Input an original light field image f(x, y), perform coordinate transformation and invalid pixel interpolation on the macro pixel blocks in the original light field image f(x, y), and obtain a regularized light field image L(x ,y); specifically:
[0040] The input original light field image f(x,y) is an orthogonally arranged microlens array image collected by a light field camera (such as Lytro Illum) after a series of pre-processing, such as Figure 2aAs shown, the image consists of a series of orthogonal macropixels. Each macro pixel in the image corresponds to a point in the actual scene, and it can simultaneously record the pos...
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