Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1995-08-22
1999-03-16
Chevalier, Robert
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386120, H04N 5917, H04N 5225
Patent
active
058840052
ABSTRACT:
In a system for recording and displaying still and moving images, the still images are recorded on a record carrier (8) in a loss-free manner and with a low compression factor, whereas the moving images are recorded with a high compression factor and an algorithm which is not loss-free. For medical images, for example cardiac images, processing of the images prior to display is desirable. For the moving images the image processing (5) is performed prior to compression (4) and recording (7). For the still images the processing (19) is performed after the images have been read from a record carrier (8) and reconstructed. A raw version of the loss-free still images thus remains available for analysis (20).
REFERENCES:
patent: 4602333 (1986-07-01), Komori
patent: 5270831 (1993-12-01), Parulski et al.
patent: 5377051 (1994-12-01), Lane et al.
"Method of Storing in Coded Form Image Information of Moving Images, Diagnostic System Using the Method, and Image Coding and Recording Unit . . . " by Joseph Peters et al, U.S. Serial No. 08/294,129, filed Aug. 22, 1994.
Chevalier Robert
Renfrew, Jr. Dwight H.
U.S. Philips Corporation
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