Title:
【発明の名称】デジタルビデオ信号プロセッサ装置
Document Type and Number:
Japanese Patent JPH07507428
Kind Code:
A
Abstract:
A preprocessor for conditioning interlace-scan video signals for frame based compression, includes apparatus to accept fields of interlace-scanned video and provide fields of interlace-scanned luminance and chrominance component signals. The fields of interlace-scanned luminance component are combined into respective frames of luminance signal and applied to compressor apparatus for further processing. The fields of interlace scanned chrominance components are independently processed at the field level to generate lines of chrominance values which are interstitial to the lines of the original chrominance values and at a lesser pixel and line density. The independently processed fields of interlace-scanned chrominance signals are combined into respective frames of chrominance component signals and applied to compressor circuitry for further processing. Performing the chrominance signal interpolation and subsampling at the field level tends to eliminate a majority of color distortions around moving images. Receiver apparatus is configured to perform post decompression processing to generate frame data having the original pixel and line density.
Inventors:
Wine, charles, martin
Latemeier, Glenn, Arthur
Az, Kamil, Metin
Latemeier, Glenn, Arthur
Az, Kamil, Metin
Application Number:
JP50050694A
Publication Date:
August 10, 1995
Filing Date:
March 15, 1993
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
H04N11/02; H04N7/01; H04N7/26; H04N7/46; H04N11/04; (IPC1-7): H04N11/04; H04N7/24; H04N7/01
Attorney, Agent or Firm:
Yoshikazu Tani (1 person outside)