Biological tissue motion trace method and image diagnosis device using the trace method
First Claim
1. An image diagnostic apparatus for producing a tomographic image of an object to be examined, comprising;
- a storing unit for storing a moving image formed by a plurality of frames of the tomographic image;
a display unit for displaying the moving image;
a console for designating at least two portions of the tomographic image with marks; and
a tracking unit for making the marks follow the desired portions of the tomographic image based on image information of the desired portions derived from image processing between two frames of the tomographic image,wherein said tracking unit;
stores coordinates of at least two designated portions input from the console after movement,calculates at least any one of a distance between the two designated portions, a shift of the distance, a shift speed of the distance, and a change rate of the distance,and displays it as a graph on the display unit.
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Accused Products
Abstract
A one frame image of a moving image formed by producing tomographic images of an object to be examined is displayed (S2), a mark is superposed on a designated portion of a tissue the movement of which is tracked in the displayed one frame image (S3), a cutout image of a size including the designated portion is set in the one frame image (S4), local images are searched in another frame images of the moving image and a local image of the identical size which is most coincided with the cutout image is extracted (S5,6), and a coordinate of the designated portion after movement is calculated based on a coordinate difference between the most coincided local image and the cutout image (S7), thereby the movement of tissue is quantitatively measured.
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Citations
36 Claims
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1. An image diagnostic apparatus for producing a tomographic image of an object to be examined, comprising;
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a storing unit for storing a moving image formed by a plurality of frames of the tomographic image; a display unit for displaying the moving image; a console for designating at least two portions of the tomographic image with marks; and a tracking unit for making the marks follow the desired portions of the tomographic image based on image information of the desired portions derived from image processing between two frames of the tomographic image, wherein said tracking unit; stores coordinates of at least two designated portions input from the console after movement, calculates at least any one of a distance between the two designated portions, a shift of the distance, a shift speed of the distance, and a change rate of the distance, and displays it as a graph on the display unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A tissue movement tracking method comprising:
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a first step of displaying a one frame image of a moving image formed by producing tomographic images of an object to be examined; a second step of setting a designated portion by inputting a command to superpose a mark on the designated portion of a tissue the movement of which is tracked in the displayed one frame image; a third step of setting a cutout image of a size including the designated portion in the one frame image; a fourth step of searching another frame images of the moving image and extracting a local image of the identical size which is most coincided with the cutout image; a fifth step of calculating a coordinate of the designated portion after movement based on a coordinate difference between the most coincided local image and the cutout image; making the mark follow desired portions of the tomographic image based on image information of the desired portions derived from image processing between two said frames of the tomographic image; storing at least two designated portions are set and coordinates of the two designated portions after movement; and calculating at least any one of a distance between the two designated portions, a change of the distance, a change speed of the distance, and a change rate of the distance. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A tissue movement tracking method comprising:
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displaying a one frame image of a moving image formed by producing tomographic images of an object to be examined; setting a designated portion by inputting a command to superpose a mark on the designated portion of a tissue the movement of which is tracked in the displayed one frame image; setting a cutout image of a size including the designated portion in the one frame image; of searching another frame images of the moving image and extracting a local image of the identical size which is most coincided with the cutout image; calculating a coordinate of the designated portion after movement based on a coordinate difference between the most coincided local image and the cutout image; storing the coordinate of the designated portion after movement; calculating at least any one of a moving distance, a moving speed, and a moving direction of the designated portion; modulating the brightness in response to the moving speed; and displaying a shift of at least any one of the moving distance, the moving speed, and the moving direction of the designated portion as a line view.
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Specification