Adaptive clustering method of large number of high-dimensionality image local feature points
A technology of adaptive clustering and local features, applied in computer parts, instruments, character and pattern recognition, etc., can solve the problems of large amount of data, time-consuming, computational complexity, overflow, etc., to improve efficiency, Wide application prospects and the effect of simplifying the difficulty
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[0053] A large number and high-dimensional image local feature point adaptive clustering method of the present invention will be described in detail below with reference to the embodiments and the accompanying drawings.
[0054] Such as figure 1 As shown, a kind of image local feature point self-adaptive clustering method with large quantity and high dimensionality of the present invention comprises the following steps:
[0055] 1) read as figure 2 The input image shown, constructs a scale space for the input image;
[0056] The construction of the scale space is to perform convolution operation with the input image through different Gaussian convolution kernels:
[0057]
[0058]
[0059] Where G(x,y,σ) represents the Gaussian convolution kernel function, L(x,y,σ) represents the scale space image, Represents the convolution operation, σ is the scale factor, and I(x,y) represents the input image; thereby obtaining a multi-scale image to form a scale space.
[0060] 2...
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