Video compression and encoding method

摘要

Disclosed herein is a method for decoding a video signal having at least one frame with a plurality of blocks including a current block, including generating, for at least a selected pixel in the current block, a predicted value for at least one pixel located in a row i and a column j of the current block using a processor and according to the following equation: Xij=Li+Aj−C; wherein Xij is the predicted value, Li is the value of a pixel to the left of the current block, Aj is the value of a pixel in a row above the current block and C is the value of a pixel in the row above and the column to the left of the current block and decoding the current block using the predicted value.

主权项

1. A method for decoding a frame in a video stream, the frame having a plurality of blocks, the method comprising:
identifying, using a motion vector associated with a current block in the frame, a block in a reference frame; determining if the motion vector includes at least one fractional component; if the motion vector includes the at least one fractional component, applying a 6-tap interpolation filter to the block in the reference frame to form a predictor block using a processor; wherein coefficients of the 6-tap interpolation filter are selected from at least one of the following:
{2, −11, 108, 36, −8, 1} for ¼ pixel position;{3, −16, 77, 77, −16, 3} for ½ pixel position; or{1, −8, 36, 108, −11, 2} for ¾ pixel position; and decoding the current block using the predictor block.