Method for imaging an area of investigation

Details Method for imaging an area of investigation Method for imaging an area of investigation

1994-03-10

2000-11-21

Tran, Phuoc

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

382162, G06K 940

Patent

active

061514187

ABSTRACT:
A method for imaging an area of investigation is based on a source half-tone picture of the area of investigation. The source half-tone picture is composed of individual picture elements to which are allocated the source gray scale values corresponding to the morphology of the area of investigation. A framing mask operation produces modified gray scale values from the source gray scale values as a function of a preassigned brightness value and a preassigned contrast value which are fed to a display device. The preassigned contrast value is controlled as a function of the preassigned brightness value or the preassigned brightness value as a function of the preassigned contrast value.

REFERENCES:
patent: 4789831 (1988-12-01), Mayo, Jr.
patent: 5042077 (1991-08-01), Burke
"Artifact Resistant Grey Scale Windows In Clinical Ultrasound of the Liver," Bleck et al, Book of Abstracts 19th International Symposium on Acoustical Imaging, Apr. 3-5, p. MB3/4-P5, 1991.
"Digital Picture Analysis," Rosenfeld, Ed., pp. 80-83, 1976.
"White Background Control Level Circuit," IBM Technical Disclosure Bulletin, vol. 32, No. 6A, Nov. 1989, pp. 388-390.

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