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According to analysis of DCT coefficients PDF of video sequence, a new DCT coefficients statistical model based on Weibull PDF is introduced in this paper. Compared to the Laplacian PDF, the model can describe properties of DCT of video sequences much better. Besides, according to the new statistical model and theory of entropy coding, the Rate Quantization (R-Q) and Distortion Quantization (D-Q)...
Geometric Calibration of digital camera and video is useful for experimental work, such as video surveillance, virtual endoscope etc. High-performance computing holds the key to making biologically relevant calculations tractable without compromise. In this paper we present a new approach to high performance GC algorithm on graphics processing units. Using modern graphics processing units for high...
Motion detection is a fundamental and important part of many visual tracking systems and of other computer vision applications. In this paper, we present a robust and effective motion detection method for detecting foreground moving objects even with quick lighting changes and shadows in scenes. The proposed approach integrates YCbCr color features with texture by a fuzzy method based on Choquet integral...
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