High-speed correlation filtering tracking method based on a high-confidence updating strategy
A high-confidence, correlation filtering technology, applied in the field of computer vision, can solve problems such as redundancy, complicated background, and model degradation
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[0046] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:
[0047] Step 1 Read the first frame of image data in the video and the initial position information of the target [x, y, w, h], where x and y represent the abscissa and ordinate of the center of the target, w and h represent the width and high. The coordinate point corresponding to (x, y) is marked as P, and the target initial area with a size of w×h is marked as R with P as the center init , and record the target scale as v scale , initialized to v scale =1.
[0048] Step 2. Taking P as the center, determine a region R containing target and background information bkg , R bkg The size of is M×N, M=3w, N=3h. to R bkg The grayscale, HOG, and CN features are extracted separately, with a total of 42 dimensions (the grayscale, HOG, and CN features are 1, 31, and 10 dimensions, respectively). The dimensionality is reduced to 28 dimensions through the Principal C...
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