Y/C separation of composite color video signals using samples with non-opposite sub-carrier phases

Nico Cordes, Gerard de Haan

Research output: Contribution to journalConference articlepeer-review

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Abstract

For analog color television standards such as PAL and NTSC. the transmission of color (C) takes place within the band available for the luminance (Y). At the television receiver, the required separation of Y and C can only be imperfect as both components now share the same frequency space. Modern televisions apply so-called combfilters that exploit the opposite sub-carrier phase of correlated samples to separate both components. However, cross-talk artifacts and loss of resolution will occur in situations where no sufficiently correlated samples meet the strict opposite phase requirement. In this paper, a novel Y/C separation method is presented that is able to use samples with non-opposite sub-carrier phases.

Original languageEnglish
Pages (from-to)741-752
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5308
Issue numberPART 2
DOIs
Publication statusPublished - 24 Dec 2004
EventVisual Communications and Image Processing 2004 - San Jose, CA, United States
Duration: 20 Jan 200422 Jan 2004

Keywords

  • Comb filters
  • Composite video
  • Luminance chrominance separation
  • Video signal processing
  • Y/c separation

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