Automatic Interlace or Progressive Video Discrimination

Video content originates from a wide variety of sources. Even within one programme, several different video technologies may have been used during production. This paper discusses an algorithm that is able to reliably identify progressive and interlace frames. The algorithm is based on calculating a...

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Bibliographic Details
Published inThe 2012 Annual Technical Conference & Exhibition pp. 1 - 8
Main Authors Pindoria, Manish, Borer, Tim
Format Conference Proceeding
LanguageEnglish
Published SMPTE 01.10.2012
Subjects
Film-mode detector
telecine
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Summary:Video content originates from a wide variety of sources. Even within one programme, several different video technologies may have been used during production. This paper discusses an algorithm that is able to reliably identify progressive and interlace frames. The algorithm is based on calculating a metric based on the degree of "interlacing artefacts" produced when adjacent fields from different frames are re-interleaved to reform a frame. The metrics are analysed over multiple frames to detect whether the material originates from a progressive or interlace source. This process has successfully been adapted to correct film-phase errors found in telecined archive material.
ISBN:1614829527
9781614829522
DOI:10.5594/M001440