Method for segmenting gray scale image based on multi-objective particle swarm optimization algorithm
A multi-objective particle swarm, grayscale image technology, applied in the field of image processing, can solve the problems of inaccurate classification results, single evaluation index, sensitive initialization, etc., achieve fast convergence, slow convergence speed, overcome single evaluation index, and simple algorithm. Effect
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[0035] refer to figure 1 and figure 2 , the specific implementation steps of the present invention are as follows:
[0036] Step 1. Select the grayscale of pixels in an image as the data to be clustered.
[0037] Step 2. Set the maximum number of iterations T as 50, the current number of iterations t=0, the particle swarm size N1 as 100, the external file size N2 as 100, the number of clustering categories K is determined according to the image to be segmented, and the inertia weight w is 0.9. And decrease linearly to 0.4 with the iterative process, the acceleration constant c 1 and c 2 is 2.0, the maximum speed V max Each dimension of takes 15% of the value range of the corresponding dimension.
[0038] Step 3. Initialize the particle swarm P 0 , according to the number of clustering categories, randomly select K samples from the data to be clustered as the cluster center, the sample value is the gray value of the pixel, and the vector composed of K samples is used as ...
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