US Patent 11122297 Using border-aligned block functions for image compression

Patent 11122297 was granted and assigned to Google on September, 2021 by the United States Patent and Trademark Office.

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Patent

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Patent Applicant

Google

Current Assignee

Google

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

111222970

Patent Inventor Names

Thomas Fischbacher0

Lode Vandevenne0

Date of Patent

September 14, 2021

Patent Application Number

201905030

Date Filed

May 3, 2019

Patent abstract

A method for encoding a block of a frame. The method includes receiving the block that is in the spatial domain; selecting, based on a border that crosses the block, a set of basis functions for transforming the block to a transform domain; transforming the block using the set of basis functions to obtain a transform block; encoding, in a compressed bitstream, an indication of the set of basis functions; and encoding, in the compressed bitstream, the transform block.

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