Apparatus and method of displaying medical images of sliced tiss

Details Apparatus and method of displaying medical images of sliced tiss Apparatus and method of displaying medical images of sliced tiss

1991-06-12

1994-03-22

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

36441306, 395119, G06K 900

Patent

active

052972151

ABSTRACT:
An apparatus and method are specialized in utilizing a three-dimensional(3-D) time-dependent image data, which is obtained by dynamic scanning in devices such as an X-ray computed tomography device. The dynamic scanning is carried out at a fixed slice layer in a patient body at a certain time interval. When an line-selecting line is set in a 2-D scanned image, a part of the 3-D time-dependent image data, displayed on the TV monitor, the data corresponding to the designated line in the 3-D time-dependent image data can be converted into a 2-D time-dependent image data by an image data conversion unit. The 2-D time-dependent image data is displayed on the monitor and it appears as degrees of density on the screen and shows dynamical image changing with the scanning time. Moreover, when profile-selecting line is designated in the 2-D time-dependent image, a profile forming unit forms a profile data concerning image data values at an axis designated by the profile-selecting line. The profile data is visualized as a time curve on the monitor, and offers a quantitative analysis.

REFERENCES:
patent: 4216526 (1980-08-01), Karwowski
patent: 4858129 (1989-08-01), Mori
patent: 4868747 (1989-09-01), Mori et al.
patent: 5034987 (1991-07-01), Fujimoto et al.
Y. Iwai et al., Medical Imaging Equipment, Corona Publishing Co., Ltd. Dec. 20, 1988, pp. 65-73.

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