Enhancement of compressed images

Details Enhancement of compressed images Enhancement of compressed images

2007-04-17

2007-04-17

Wu, Jingge (Department: 2624)

Image analysis

Image compression or coding

Quantization

C382S233000, C382S235000, C382S275000

Reexamination Certificate

active

09920003

ABSTRACT:
A method and apparatus for enhancing compressed images is described. In one embodiment, the method comprises characterizing quantization noise in reconstructed low pass coefficients generated in response to application of an inverse wavelet transform and removing the quantization noise from the reconstructed low pass coefficients constructed during decoding.

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