Method and apparatus for enhancing image quality of a...

Details Method and apparatus for enhancing image quality of a... Method and apparatus for enhancing image quality of a...

2005-08-08

2010-02-16

Le, Long V (Department: 3768)

Image analysis

Applications

Biomedical applications

C382S276000, C382S107000, C382S190000, C382S203000

Reexamination Certificate

active

07664301

ABSTRACT:
The present invention relates a method and an apparatus for enhancing ultrasound image quality through a post-processing. A method for enhancing an image quality of a two-dimensional (2D) ultrasound image, comprises the steps of: a) decomposing the 2D ultrasound image into a plurality of images having a multi-resolution by N levels, wherein N is a positive integer; b) determining characteristics of each pixel in the decomposed image; c) performing an enhancement process for the decomposed image based on the pixel characteristics; d) performing 1st-level composition for the decomposed image; and e) repeatedly performing steps b) to d) until a size of the composed image is identical to that of the 2D ultrasound image.

REFERENCES:
patent: 5619998 (1997-04-01), Abdel-Malek et al.
patent: 6561980 (2003-05-01), Gheng et al.
patent: 2004/0008904 (2004-01-01), Lin et al.
Abou-Bakr M. Youssef, IEEE transactions on biomedical engineering, vol. 49, No. 9, Sep. 2002 “Real-time speckle reduction and coherence enhancement in ultrasound imaging via nonlinear anisotropic diffusion”.

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