Patent · US Expired

Spatially transcoding a video stream

US7177356B2 · kind B2 · utility

16Cited by
6References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 11, 2002
Grant dateFeb 13, 2007
Priority date
Expiry dateJun 13, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/40
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Systems and methods for transcoding a video stream. An incoming video stream is spatially transcoded to reduce the bit rate of the video stream. The incoming video stream is decoded and the stream parameters are saved for use in generating the output video stream. The decoded video stream is resampled and the images are spatially reduced. Using the stream parameters of the incoming video stream, an outgoing video stream is generated. Some of the stream parameters are unchanged while others are re-computed for the outgoing video stream.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.