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SYSTEM AND METHOD FOR AUTOMATIC CALCULATION OF SCENE GEOMETRY IN CROWDED VIDEO SCENES
SYSTEM AND METHOD FOR AUTOMATIC CALCULATION OF SCENE GEOMETRY IN CROWDED VIDEO SCENES
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机译:视频场景中场景几何自动计算的系统和方法
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摘要
A system or method for automatic calculation of scene geometry may include receiving, by a processor, a video stream including a plurality of video frames. A video frame may be divided into blocks, and a vertical vanishing point of the video stream may be determined based on a dominant orientation of detected edges in the blocks. A horizon and scale of the video stream may be estimated based on optical flow of pixels between two consecutive video frames. A set of human heads may be detected in a video frame of the video stream based on the estimated horizon and scale of the video stream.
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