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Patent US7881371 - Block transform and quantization for image and video coding - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsAn improved method and block transform for image or video encoding and decoding, wherein transformation and inverse transformation matrixes are defined such that computational complexity is significantly reduced when encoding and decoding. For example, in the two-dimensional inverse transformation of...http://www.google.co.uk/patents/US7881371?utm_source=gb-gplus-sharePatent US7881371 - Block transform and quantization for image and video codingAdvanced Patent SearchPublication numberUS7881371 B2Publication typeGrantApplication numberUS 11/067,101Publication date1 Feb 2011Filing date25 Feb 2005Priority date18 Sep 2001Fee statusPaidAlso published asCN1231068C, CN1409558A, CN1764277A, CN1764278A, CN1764279A, CN100459712C, CN100463522C, CN100484247C, DE20222025U1, EP1294198A2, EP1294198A3, EP1750449A2, EP1750449A3, EP1750450A2, EP1750450A3, EP1768418A2, EP1768418A3, US6882685, US7106797, US7773671, US7839928, US8971405, US20030081674, US20050141609, US20050175097, US20050180503, US20050213659, US20110116543Publication number067101, 11067101, US 7881371 B2, US 7881371B2, US-B2-7881371, US7881371 B2, US7881371B2InventorsHenrique S. MalvarOriginal AssigneeMicrosoft CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (80), Non-Patent Citations (100), Referenced by (3), Classifications (24), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetBlock transform and quantization for image and video coding
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