Method for extracting human body features of robust time-space domain
A technology of human body features and extraction methods, which is applied in the fields of computer vision and pattern recognition, and can solve problems such as large divergence within the class of human body data
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[0056] The overall operation process of the present invention is as figure 1 shown. The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0057] step 1: Input a set of videos containing human body data from which to select a spatiotemporal volume.
[0058] First, select a group of adjacent frames from the video, and the number of frame sequences usually takes 5 to 10 frames. If the number of frame sequences is too small, the motion information will not be obvious when the human body is moving slowly; otherwise, the amount of calculation will be large and the subsequent processing speed will be slow.
[0059] Then, select a rectangular area image of the same size at the same position of each frame image, and the image sequence composed of all rectangular area images is a space-time volume, as shown in Figure 21. The single-frame image coordinates of the spatiotemporal volume ...
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