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In experiments of soil mechanics, it is important to study the motion of sand grains at high pressures. Technologies of image segmentation and object tracking can help to resolve this problem. Aiming at the dense sand grains images, this paper proposes a method to track sand grains from image sequences. A novel approach of dense grain segmentation based on boundary exploration is proposed. Firstly,...
A new fast area-based stereo algorithm suitable to large disparity stereo pair matching and real time applications is proposed in this paper. Firstly, the proposed approach estimates the global disparity of stereo pairs and gets two maximum correlation areas of left and right images in estimation disparity level. Then, matching algorithm based on area correlation is used to match in the two maximum...
In this paper, we present a novel approach which employs the temporal redundancy of video texts to improve the performance of text segmentation and stroke extraction from complex background. We first demonstrate how to obtain the required aligned text image sequences from video frames via a robust corners-set matching scheme. Then the changing background pixels can be identified and removed by exploiting...
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