Anisotropism wavelet image processing method based on thermonuclear pyramid
An anisotropic and image processing technology, applied in image data processing, image enhancement, instruments, etc., can solve problems such as inability to effectively process local details
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[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0033] figure 1 The overall processing flow of the anisotropic wavelet image processing method based on thermonuclear pyramid is given.
[0034] The present invention provides a kind of anisotropic wavelet image processing method based on thermonuclear pyramid, its theoretical derivation and main steps are introduced as follows:
[0035] 1. Theoretical derivation of anisotropic wavelet based on thermonuclear pyramid
[0036] The method provides the expression form of the anisotropic local wavelet proposed by the present invention by analyzing the potential mathematical relationship between the heat kernel and the Mexican sombrero wavelet. First, the Mexican sombrero wavelet is the negative second derivative of the Gaussian function, and its expression can be defined as This expression is compatible with the heat diffusion partial differenti...
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