Method for rapidly tracking and positioning set targets in grayscale videos
A gray-scale video, tracking and positioning technology, applied in image data processing, instruments, calculations, etc., can solve the problems of complex tracking process, increased calculation amount and complexity, slowness, etc., and achieve high tracking accuracy, fast calculation speed, Effects of adaptation to scale changes
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[0051] In order to further illustrate the technical means and effects of this embodiment to achieve the predetermined purpose, the specific implementation, structural features and effects of this embodiment will be described in detail below in conjunction with the drawings and embodiments.
[0052] The technical solution adopted in this embodiment is mainly divided into four parts: a preprocessing phase, a tracking phase, a parameter learning phase, and a scale prediction phase. In the first frame, it is necessary to artificially specify the position and size of the target in the first frame, and then crop the original image to obtain a standard image centered on the tracking target.
[0053] Step 1: Obtain the current frame tracking window based on the target coordinates and size calculated in the previous frame, and perform logarithmic transformation and cosine window smoothing on the tracking window and the standard target image.
[0054] Step 2: The preprocessed tracking window i...
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