Method and apparatus for edge enhancement in ultrasound imaging

Details Method and apparatus for edge enhancement in ultrasound imaging Method and apparatus for edge enhancement in ultrasound imaging

1998-10-19

2000-05-09

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600447, 600458, 382128, A61B 800

Patent

active

060597291

ABSTRACT:
A method and an apparatus for enhancing edges in computer-generated images. Each image frame is divided into non-overlapping blocks of pixels. Each block is characterized by a value proportional to the contrast of the block. Each block is checked to see if its contrast is greater than a user-selectable contrast threshold. If the block contrast is greater than the threshold, a window level operation is performed upon that pixel block. This method restricts the window level edge enhancement function to just the set of pixel blocks that have a high contrast value and may contain an edge.

REFERENCES:
patent: 5148809 (1992-09-01), Biegeleisen-Knight et al.
patent: 5492125 (1996-02-01), Kim et al.
patent: 5588435 (1996-12-01), Weng et al.
patent: 5594807 (1997-01-01), Liu
patent: 5954653 (1999-09-01), Hatfield et al.

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