Method for realizing video code anti-shake based on dynamic image and coder
A technology for video coding and dynamic images, applied in the field of video encoders, can solve problems such as high cost and reduce CCD utilization, and achieve the effects of reducing complexity, computing cost, and computing amount.
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[0066] The method proposed by the present invention enables the video encoder to have an anti-shake function, which is to solve the image translation jitter caused by hand shaking during the shooting process, and does not involve the jitter caused by rotation and zooming.
[0067] In order to realize the electronic anti-shake, the present invention cannot utilize all the collected pixel values of the CCD, so the effective number of pixels is less than the total number of pixels of the CCD, which is an inevitable situation to realize the electronic anti-shake. The ratio of the number of effective pixels to the total number of pixels is related to the shake amplitude supported by the anti-shake. Assuming that the maximum jitter supported by the present invention is taken as an index by the relative movement range, the effective pixel area of a given CCD is the center of the CCD total pixel area, then the compensation range of the maximum jitter cannot exceed the area of the...
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