The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2013
Filed:
Sep. 25, 2008
Xavier Henocq, Acigne, FR;
Lilian Labelle, St. Samson sur Rance, FR;
Xavier Henocq, Acigne, FR;
Lilian LaBelle, St. Samson sur Rance, FR;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Selecting a method from a set of methods of transcoding digital video data, the data being transferable between at least two communication apparatuses via a communication network, including, for each transcoding method, obtaining a distortion value from a mathematical model for establishing the distortion taking into account the transcoding method, the distortion model being applied to information representing the content of the signal represented by the digital data to be transcoded, and selecting a transcoding method as a function of the different distortion values obtained for the set of transcoding methods, the set of transcoding methods including at least two different types of transcoding methods, each type of transcoding method being selected from at least one of a plurality of methods of reducing a spatial resolution, a plurality of a re-quantization methods, and a plurality of methods of reducing a frame rate.