Film-to-video format detection for digital television

Details Film-to-video format detection for digital television Film-to-video format detection for digital television

1993-11-02

1995-03-14

Kostak, Victor R.

Television

Basic receiver with additional function

Multimode

348443, H04N 701

Patent

active

053980719

ABSTRACT:
A film-to-video format detector (24) for a digital television receiver (10). The detector (24) receives pixel data from a current field and a second preceding field. It determines a set of pixel difference values, sums them to obtain a field difference value, and compares the field difference value to a threshold. These steps are repeated to obtain a series of field difference indicators. This series is analyzed to determine whether it has a pattern corresponding to a film-to-video format.

REFERENCES:
patent: 4982280 (1991-01-01), Lyon et al.
patent: 5166781 (1992-11-01), Walby et al.
Program for 135th Society of Motion Picture and Television Engineers Conference and Equipment Exhibit, Oct. 29-Nov. 2, 1993, L.A. Convention Center, Los Angeles, Calif., p. 11.
R. L. Garman and R. W. Lee, "Image Tubes and Techniques in Television Film Camera Chains", Journal of the SMPTE, vol. 56, Jan. 1951, pp. 52-64.
B. R. Mason and R. N. Robinson, "Applications of Motion Compensation to Standards Conversion and Film Transfer", SMPTE Journal, Sep. 1993, pp. 786-790.

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