Title:
METHOD OF QUANTIFYING ORGAN DYNAMIC BEHAVIOR, DEVICE, METHOD OF PREDICTING ORGAN POSITION, DEVICE, RADIATION IRRADIATING METHOD, DEVICE AND ORGAN ABNORMALITY DETECTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/121164
Kind Code:
A1
Abstract:
Blood vessels and tracheas (12) distributed in an organ are extracted and thinned by using as input data a plurality of CT images of a finely varied and deformed organ (10), the coordinates of branching points (16) and linking points are extracted by using a thinned image (14), and movements of individual points between a plurality of CT images are tracked in a 3-D space with the above coordinates used as feature points, whereby linked movements of the organ (10) are measured. Accordingly, local dynamic tracking at an arbitrary point over the entire inner region of an organ, impossible with a metal marker, is enabled.
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Inventors:
Tashiro, Mutsumi (804-1-202, Toriba-machi Maebashi-sh, Gunma 45, 37108, JP)
Minohara, Shinichi c/o National Institute of Radiological Sciences (9-1 Anagawa 4-chome, Inage-ku, Chiba-sh, Chiba 55, 26385, JP)
Minohara, Shinichi c/o National Institute of Radiological Sciences (9-1 Anagawa 4-chome, Inage-ku, Chiba-sh, Chiba 55, 26385, JP)
Application Number:
PCT/JP2006/309593
Publication Date:
November 16, 2006
Filing Date:
May 12, 2006
Export Citation:
Assignee:
National Institute of Radiological Sciences (9-1 Anagawa 4-chome, Inage-ku Chiba-sh, Chiba 55, 26385, JP)
National University Corporation Gunma University (4-2 Aramaki-machi, Maebashi-shi Gunma, 10, 37185, JP)
Tashiro, Mutsumi (804-1-202, Toriba-machi Maebashi-sh, Gunma 45, 37108, JP)
Minohara, Shinichi c/o National Institute of Radiological Sciences (9-1 Anagawa 4-chome, Inage-ku, Chiba-sh, Chiba 55, 26385, JP)
National University Corporation Gunma University (4-2 Aramaki-machi, Maebashi-shi Gunma, 10, 37185, JP)
Tashiro, Mutsumi (804-1-202, Toriba-machi Maebashi-sh, Gunma 45, 37108, JP)
Minohara, Shinichi c/o National Institute of Radiological Sciences (9-1 Anagawa 4-chome, Inage-ku, Chiba-sh, Chiba 55, 26385, JP)
International Classes:
A61B6/03
Attorney, Agent or Firm:
Takaya, Satoshi (Minami-Shinjuku Bldg, 10-12 Yoyogi 2-chom, Shibuya-ku Tokyo 53, 15100, JP)
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