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Background and Aims Primary biliary cirrhosis (PBC) is a relatively uncommon liver disease, and information on the prognosis and survival of PBC patients in mainland China is lacking. We therefore conducted a retrospective study to investigate the prognostic factors and survival in Chinese PBC patients. Methods Between October 2001 and May 2009, patients registered at Beijing You’an Hospital with...
Aimed at that there is often a video paragraph of human body's reciprocating motion in the pornographic videos, a novel method of pornographic videos detection is proposed. On the basis of calculating the optical flow field, we extract the characteristics points of the moving target, and classify optical flow direction of these points and get the statistics of them. Then we establish the optical flow...
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