Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
圧縮ビットストリームをアップサンプリングする方法および装置
Document Type and Number:
Japanese Patent JP4209134
Kind Code:
B2
Abstract:
A method up-samples a compressed bitstream. The compressed bitstream is partially decoding to produce macroblocks. Each macroblock has DCT coefficients according to a predetermined dimensionality of the macroblock. DCT filters are applied to the DCT coefficients of each macroblock to generate up-sampled macroblocks for each macroblock, there is one up-sampled macroblock generated by each filter. Each generated up-sampled macroblock has the predetermined dimensionality.

Inventors:
Anthony Vetro
Application Number:
JP2002135820A
Publication Date:
January 14, 2009
Filing Date:
May 10, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Mitsubishi Electric Research Laboratories, Inc.
International Classes:
H04N7/30; G06T3/40; G06T9/00; H03M7/30; H04N7/26; H04N7/46
Domestic Patent References:
JP11511632A
Attorney, Agent or Firm:
Michiharu Soga
Yutaka Ikeya
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Taizo Shiraishi