| Paper Abstract and Keywords |
| Presentation |
2005-01-21 16:00
Development of a computer-aided detection system for liver lesions based on information fusion of two phase three dimensional CT images
Takahiro Kawamura, Akinobu Shimizu, Hidefumi Kobatake (TUAT) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper proposes a method for automated extraction of tumor regions based on information fusion of two phases of three dimensional CT images. At first it extracts the liver region using two phases and enhances tumor regions in the liver using a three dimensional adaptive convergence index filter. Then it makes the fusion images by computing the sum of gray values in the enhanced images, and detects local maximum points and extracts candidates regions by a region growing method on the tumor likelihood images. In the next step, several features about the candidates are measured and the system decides whether it corresponds to true tumors or not using support vector machine. We applied the proposed system to three dimensional abdominal CT images from fifteen patients obtained with multi-detector row CT scanners and confirmed that tumor detection rate was 100% with 0.53 false positives per case. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Abdominal CT Images / Computer Aided Diagnosis / Information Fusion / Support Vector Machine / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 104, no. 579, MI2004-75, pp. 139-144, Jan. 2005. |
| Paper # |
MI2004-75 |
| Date of Issue |
2005-01-14 (MI) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
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| Conference Information |
| Committee |
MI |
| Conference Date |
2005-01-21 - 2005-01-22 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Univ. of the Ryukus |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
MI |
| Conference Code |
2005-01-MI |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Development of a computer-aided detection system for liver lesions based on information fusion of two phase three dimensional CT images |
| Sub Title (in English) |
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| Keyword(1) |
Abdominal CT Images |
| Keyword(2) |
Computer Aided Diagnosis |
| Keyword(3) |
Information Fusion |
| Keyword(4) |
Support Vector Machine |
| Keyword(5) |
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| Keyword(6) |
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| 1st Author's Name |
Takahiro Kawamura |
| 1st Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
| 2nd Author's Name |
Akinobu Shimizu |
| 2nd Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
| 3rd Author's Name |
Hidefumi Kobatake |
| 3rd Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
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| Speaker |
Author-1 |
| Date Time |
2005-01-21 16:00:00 |
| Presentation Time |
20 minutes |
| Registration for |
MI |
| Paper # |
MI2004-75 |
| Volume (vol) |
vol.104 |
| Number (no) |
no.579 |
| Page |
pp.139-144 |
| #Pages |
6 |
| Date of Issue |
2005-01-14 (MI) |