System and method for efficiently encoding an image by...

Details System and method for efficiently encoding an image by... System and method for efficiently encoding an image by...

2007-01-16

2007-01-16

Mehta, Bhavesh M. (Department: 2624)

Image analysis

Image compression or coding

Pyramid, hierarchy, or tree structure

C382S239000, C382S248000, C375S240110, C375S240270

Reexamination Certificate

active

10665067

ABSTRACT:
An encoder (300) selects (702, 1302, 1304,1306,1308) one or more subsets of spatially or temporally correlated transformed data coefficients, on the basis of the significance of each subset in representing the data. The encoder (300) and a complementary decoder (400) may be applied to wavelet transform encoded images (500). The encoder (300) may be implemented on a wireless to Internet gateway server (108), in order to reduce byte size of encoded images (500) sent through a wireless network (112), and reduce the amount of processing that must be performed by a wireless device (118) to decode an image or other data. The decoder (400) and/or encoder (300) may be implemented on the wireless device (118).

REFERENCES:
patent: 5337049 (1994-08-01), Shimoda
patent: 5481308 (1996-01-01), Hartung et al.
patent: 5604602 (1997-02-01), Guillotel et al.
patent: 6661927 (2003-12-01), Suarez et al.
patent: 6751355 (2004-06-01), Okamoto

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