Low duty-cycle transport of video reference images

Details Low duty-cycle transport of video reference images Low duty-cycle transport of video reference images

1998-02-20

2000-06-13

Hsia, Sherrie

Television

Monitoring, testing, or measuring

348192, H04N 1700

Patent

active

06075561&

ABSTRACT:
In a system for measuring the quality of a received video sequence with respect to an original video sequence a low duty-cycle transport of video reference images from the original video sequence is used to transmit full quality images. Such a reference frame from the original video sequence is selected and transmitted as a full quality video image, either separately or as part of the transmission of the original video sequence after processing. The processed original video sequence becomes a received video sequence at a receiver, and the frame corresponding to the reference frame is extracted and compared with the full quality received reference frame to obtain a measure of the quality of the received video sequence.

REFERENCES:
patent: 5818520 (1998-10-01), Janko

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