Invention Grant
US07728909B2 Method and system for estimating motion and compensating for perceived motion blur in digital video 有权
用于估计运动和补偿数字视频中感知运动模糊的方法和系统

  • Patent Title: Method and system for estimating motion and compensating for perceived motion blur in digital video
  • Patent Title (中): 用于估计运动和补偿数字视频中感知运动模糊的方法和系统
  • Application No.: US11377030
    Application Date: 2006-03-16
  • Publication No.: US07728909B2
    Publication Date: 2010-06-01
  • Inventor: Eunice Poon
  • Applicant: Eunice Poon
  • Applicant Address: JP Tokyo
  • Assignee: Seiko Epson Corporation
  • Current Assignee: Seiko Epson Corporation
  • Current Assignee Address: JP Tokyo
  • Main IPC: H04N5/50
  • IPC: H04N5/50 H04N11/02
Method and system for estimating motion and compensating for perceived motion blur in digital video
Abstract:
A method for compensating for perceived blur due to motion between a current frame and a previous frame of a digital video sequence comprises estimating a motion vector between the frames for each of a plurality of pixel blocks in the current and previous frames. A cluster motion vector is then estimated for each of a plurality of clusters of the motion vectors based on one of vectors in each cluster and motion vectors in proximate clusters. The cluster motion vector of its corresponding cluster is allocated to each pixel in the current frame. An initial guess frame is generated based on the current frame and pixels in the guess frame are blurred as a function of their respective allocated cluster motion vectors. Each blurred pixel is compared with a respective pixel in the current frame to generate an error pixel for each respective pixel. Each error pixel is blurred and weighted and then each error pixel and its respective pixel is combined in the initial guess frame thereby to update the guess frame and compensate for blur. A system and computer program for perceived blur compensation is also provided.
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