Method for 3:2 pull-down film source detection

Details Method for 3:2 pull-down film source detection Method for 3:2 pull-down film source detection

2006-11-07

2006-11-07

Lee, Young (Department: 2621)

Television

Special applications

Film, disc or card scanning

C348S441000

Reexamination Certificate

active

07133064

ABSTRACT:
A method for a 3:2 pull-down film source detection. First, a source is received. Then, field differences of two fields of the same type in the source and an average field difference according to the field difference corresponding to at least one prior field in the source are calculated. The source is established as a 3:2 pull-down film source by checking whether a 3:2 pull-down signature is in the source according to the field difference and the average field difference, and a bad editing point is detected according to an interlaced frame information of the source.

REFERENCES:
patent: 6867814 (2005-03-01), Adams et al.

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