Automatic assessment of de-interlaced video quality

Details Automatic assessment of de-interlaced video quality Automatic assessment of de-interlaced video quality

2007-08-21

2007-08-21

Hsia, Sherrie (Department: 2622)

Television

Monitoring, testing, or measuring

Transmission path testing

C348S180000

Reexamination Certificate

active

10917708

ABSTRACT:
Assessment of de-interlaced video quality is determined automatically by de-interlacing interlaced video content using a reference de-interlacer and a test de-interlacer. The reference de-interlacer produces a result of known quality and the test de-interlacer is one which is being assessed. The result from each de-interlacer is compared to reference video content to derive a signal-to-noise ratio for each relative to the reference video content. The difference in the signal-to-noise ratios is compared against a predefined threshold. If the difference is within the range defined by the threshold, the test de-interlacer is determined to produce an acceptable product.

REFERENCES:
patent: 6459454 (2002-10-01), Walters
patent: 6493023 (2002-12-01), Watson
patent: 6657677 (2003-12-01), He et al.

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