Patent ID: 7864867
Filing Date: 2011-01-04
Classification: H04N

Abstract:
1. A method for coding a video signal comprising: receiving rectangular blocks of image data, each block including rows of pixels forming a pixel array with rows and columns, with pixels of an upper at least one row of said array forming an upper designated region, pixels of a lower at least one row of said array forming a lower designated region, pixels of a left at least one column of said array forming a left designated region, and pixels of a right at least one column of said array forming a right designated region; processing the image data of at least one block to modify image of said at least one block by combined processing of (a) said upper designated region with a lower designated region of a block A, (b) said lower designated region with an upper designated region of a block B, (c) said left designated region with a right designated region of a block C, and (d) said right designated region with a left designated region of a block D, thereby creating a modified block; and transforming the image data of said modified block to form transform coefficients representative of said modified block of image data.