GrabCut texture image segmentation method based on Gabor transform
A texture image and image technology, applied in the field of GrabCut texture image segmentation based on Gabor transform, can solve the problem that it is difficult to obtain the global joint distribution
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[0078] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.
[0079] Such as figure 1 As shown, step 100 is executed. In order to calculate the multi-scale and multi-directional texture features of a discrete two-dimensional image, the image I needs to be transformed into a frequency-domain spatial representation. Suppose G(x, y) is a two-dimensional differentiable smooth function, for the Gabor function, its definition is as follows:
[0080]
[0081] where: σ x , σ y They are the scaling coefficients corresponding to the Gabor function along the x-direction and y-direction, and G(x, y) is used as the parent function of the Gabor wavelet transform. Through appropriate rotation and scaling, a group of filters with similar shapes and differences in direction and scale can be obtained group, and obtain a multi-scale and multi-directional Gabor filter group by scaling and rotating the image space, nam...
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