3:2 pull-down film mode detection using fuzzy logic
US6704055B1 · kind B1 · utility
11Cited by
2References
15Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 30, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | May 24, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/012
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Fuzzy logic based system and method for 3:2 pull-down film mode detection that detects whether a stream of NTSC video fields originate from film source via 3:2 pull-down technique. Fuzzy logic is used to generate a reference sequence of symbols from the stream of NTSC video fields. This reference sequence is adapted for indicating whether or not the video fields originate from film source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.