Decoding encoded image signals encoded by further transforming t

Details Decoding encoded image signals encoded by further transforming t Decoding encoded image signals encoded by further transforming t

1997-12-11

1999-05-18

Au, Amelia

Image analysis

Image compression or coding

Transform coding

348403, 358433, 382246, G06K9/36;9/46

Patent

active

059058153

ABSTRACT:
Image signals are encoded following a spatial decomposition pattern that is based on a selected location within the image. The resulting sequence of sets of encoded image signals may be transmitted to a remote node for decoding and display. The display of the decoded signals is progressively updated as subsequent sets of encoded image signals are received and decoded. In a preferred embodiment, the first set of encoded image signals comprises DC transformed signals corresponding to the original image, while the subsequent sets of encoded signals comprise AC transformed signals corresponding to the original image.

REFERENCES:
patent: 5073820 (1991-12-01), Nakagawa et al.
patent: 5157488 (1992-10-01), Pennebaker
patent: 5218432 (1993-06-01), Wakeland
patent: 5434567 (1995-07-01), Mack et al.
patent: 5557538 (1996-09-01), Retter et al.

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