Process and device for de-interlacing by pixel analysis

Details Process and device for de-interlacing by pixel analysis Process and device for de-interlacing by pixel analysis

2007-03-20

2007-03-20

Hsia, Sherrie (Department: 2622)

Television

Format conversion

Line doublers type

C348S452000

Reexamination Certificate

active

10782651

ABSTRACT:
The invention provides for a process and a device for de-interlacing a video signal, wherein at output (S) is produced a signal (Sde) of video images de-interlaced by interpolating the pixels missing from the interlaced video signal presented at input (E), the interpolation on the output signal (Sde) being composed selectively (10) from a spatial interpolation (6), based on a transition detection and from a temporal interpolation (8) with a decision being made on the variable degree of presence of spatial interpolation and/or of temporal interpolation in the output signal (Sde), the decision being made as a function of a motion detection in the relevant area of the image, wherein the decision is made additionally as a function of a detection of the detail (2) in a relevant area of the image.

REFERENCES:
patent: 5936676 (1999-08-01), Ledinh et al.
patent: 5943099 (1999-08-01), Kim
patent: 6262773 (2001-07-01), Westerman
French Preliminary Search Report dated Jul. 18, 2003 for French Application No. 0302013.

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