Efficient image restoration method based on alternating direction method
A technology of alternating direction method and repair method, which is applied in the field of high-efficiency image repair based on alternating direction method, can solve the problems of low repair efficiency and slow convergence speed, and achieve the effect of improving repair accuracy, improving completion speed, and improving parallelism.
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[0045] The present invention will be further described in detail below in conjunction with specific embodiments.
[0046] An efficient image inpainting method based on the alternating direction method, including:
[0047] (1) Decompose the original image into three low-rank matrices according to the R / G / B channel;
[0048] (2) Divide each low-rank matrix into several block matrices, and use the alternating direction method to complete each block matrix to obtain a completed block matrix.
[0049] In this embodiment, the KD tree method is used to divide each low-rank matrix into several block matrices, which specifically include the following steps:
[0050] (2-11) Construct the KD tree of the current low-rank matrix;
[0051] (2-12) Use the part of the current low-rank matrix corresponding to each node in the KD tree as each block matrix of the current low-rank matrix.
[0052] The number of block matrices corresponding to each low-rank matrix and the size of each block mat...
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