Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1997-11-13
2000-10-03
Chevalier, Robert
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386112, H04N 5917
Patent
active
061284351
ABSTRACT:
A method for processing digitized video material is disclosed. The method comprises the steps of: capturing (4) a video sequence having a first start-time and a first end-time to provide plurality of digitized frames; filtering (6-13) the frames according to a pre-determined filter function; decimating (6-13) the frames to reduce the frames to a pre-determined horizontal and vertical frame size; and encoding (15) the filtered and decimated frames. In response to the encoding step failing to encode the data at a failure time between the first start-time and the first end-time, the video sequence is divided (20) into two or more sequences having a respective start-time and end-time. One of the sequences, having a start-time and an end-time temporally including the failure time, is selected; and the filter function for the selected sequence is re-defined (21). The capturing, filtering, decimating and encoding steps are then repeated for the selected sequence.
REFERENCES:
patent: 5040061 (1991-08-01), Yonemitsu
patent: 5377051 (1994-12-01), Lane et al.
patent: 5659654 (1997-08-01), Nagasawa et al.
Cameron Douglas W.
Chevalier Robert
International Business Machines - Corporation
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