Apparatus, program and method for motion analysis in internal body

• US 20060029269A1
• Filed: 08/05/2005
• Published: 02/09/2006
• Est. Priority Date: 08/09/2004
• Status: Active Grant

• Current Assignee: Hirochika Matsuoka
• Original Assignee: Hirochika Matsuoka
• Inventors: Matsuoka, Hirochika
• Granted Patent: US 7,907,764 B2
• Time in Patent Office: Days
• US Class Current: 382/132
• CPC Class Codes: G06T 11/008 Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
• CPC Class Codes: G06T 2211/412 Dynamic
• CPC Class Codes: G06T 7/20 Analysis of motion motion estimation for coding, decoding, compressing or decompressing digital video signals H04N19/43, H04N19/51

Abstract

When a motion in an internal body is analyzed by employing a tomographic image, a relative motion in an internal body is analyzed by moving a viewing point to an arbitrary place. The present invention is composed of: a tomographic image acquisition device 1 for acquiring a tomographic image of a subject targeted for observation; a motion analysis device 2 to which the tomographic image acquisition device 1 is connected, the analysis device performing a motion analysis from the tomographic image obtained by the tomographic image acquisition device 1; and a display device 3 connected to the motion analysis device 2, the display device displaying data outputted by the motion analysis device 2. The motion analysis device 2 includes image processing means 4 for processing the tomographic image obtained by the tomographic image acquisition device 1, point specification means 5 for specifying a plurality of arbitrary points on the tomographic image after image processing by the image processing means 4, viewing point conversion means 6 for converting a motion of a point serving as an observation point to a motion obtained by defining a point other than the observation point as a viewing point from among the plurality of points specified by the point specification means 5, and data output means 7 for outputting data obtained by the viewing point conversion means 6.

Claims

1. An apparatus for motion analysis in an internal body, comprising:

tomographic image acquisition means for acquiring a tomographic image of a subject;

point specification means for specifying a plurality of arbitrary points on the tomographic image obtained by the tomographic image acquisition means;

viewing point conversion means for converting a motion of a point as an observation point of the plurality of points specified by the point specification means to a motion obtained by using a point other than the observation point as a viewing point; and

data output means for outputting data obtained by the viewing point conversion means.

2. The apparatus for motion analysis in an internal body according to claim 1, wherein the data output means outputs data on trajectory of the motion of the observation point after conversion.

3. The apparatus for motion analysis in an internal body according to claim 1, wherein the data output means forms a multi-node link by connecting the plurality of observation points after conversion to each other by line segments, and outputs data on a motion of the multi-node link.

4. The apparatus for motion analysis in an internal body according to claim 3, wherein the data output means outputs the motion of the multi-node link as data on a motion obtained by using one multi-node link as a reference.

5. A program for motion analysis in an internal body, the program causing a computer to which tomographic image acquisition means for acquiring a tomographic image of a subject is connected, to function as:

point specification means for specifying a plurality of arbitrary points on the tomographic image obtained by the tomographic image acquisition means;

viewing point conversion means for converting a motion of a point as an observation point of the plurality of points specified by the point specification means to a motion obtained by using a point other than the observation point as a viewing point; and

data output means for outputting data obtained by the viewing point conversion means.

6. A method for motion analysis in an internal body, comprising:

acquiring a tomographic image of a subject;

specifying a plurality of arbitrary points on the acquired tomographic image;

converting a motion of a point as an observation point of the specified plurality of points to a motion obtained by using a point other than the observation point as a viewing point to obtain data; and

outputting the obtained data.