Method and device for video encoding using predicted residuals

Details Method and device for video encoding using predicted residuals Method and device for video encoding using predicted residuals

H - Electricity

04

N

H04N 7/50 (2006.01)

Patent

CA 2727149

An encoder for encoding a video by performing motion estimation using predicted residuals (u i') in a rate-distortion cost expression. The predicted residuals (u i') are determined by finding a predicted motion vector (v i') with respect to the original reference frame (x i-1) and calculating the corresponding residual values. The actual motion vector (v i) is then selected based on minimization of the rate-distortion cost expression with respect to the reconstructed reference frame (X i-1), where the rate-distortion cost expression includes the predicted residuals (u i'). In particular, the cost expression includes reconstructed predicted residuals within the distortion term.

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