Virtual Pneumoperitoneum for Generating Virtual Laparoscopic Views Based on Volumetric Deformation
Identifieur interne : 002255 ( Istex/Checkpoint ); précédent : 002254; suivant : 002256Virtual Pneumoperitoneum for Generating Virtual Laparoscopic Views Based on Volumetric Deformation
Auteurs : Takayuki Kitasaka [Japon] ; Kensaku Mori [Japon] ; Yuichiro Hayashi [Japon] ; Yasuhito Suenaga [Japon] ; Makoto Hashizume [Japon] ; Jun-Ichiro Toriwaki [Japon]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2004.
Abstract
Abstract: This paper describes a method for generating virtual pneumoperitoneum based on volumetric deformation and its application to virtual laparoscopy. Laparoscopic surgery is now widely performed as a minimum-invasive surgery. Because a laparoscope has a very narrow viewing area, this limits the surgeon’s viewable area. Making views that the abdominal wall is virtually elevated (virtual pneumoperitoneum) will be very helpful for intra-operative surgical navigation or pre-operative surgical planning. We deform original 3-D abdominal CT images so that the abdominal wall is virtually elevated. The entire process consists of five major steps: (a) extracting the abdominal wall, (b) elastic modeling, (c) elastic deformation of the model, (d) deformation of the original image, and (e) rendering virtual laparoscopic images. Virtual laparoscopic images are then generated from the deformed image. We have applied the method to three cases of 3-D abdominal CT images. From the experimental results, we confirmed that the abdominal wall was appropriately elevated by the proposed method. Laparoscopic views were very helpful for intra-operative surgical navigation as additional views of a surgeon or pre-operative surgical planning.
Url:
DOI: 10.1007/978-3-540-30136-3_69
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Medicine and Innovative Technology, Kyushu University Hospital, 812-8582, Fukuoka</wicri:regionArea><wicri:noRegion>Fukuoka</wicri:noRegion></affiliation></author><author><name sortKey="Toriwaki, Jun Ichiro" sort="Toriwaki, Jun Ichiro" uniqKey="Toriwaki J" first="Jun-Ichiro" last="Toriwaki">Jun-Ichiro Toriwaki</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>School of Computer and Cognitive Sciences, Chukyo University, 101 Tokodachi, Kaizu-cho, 470-0393, Toyota, Aichi</wicri:regionArea><wicri:noRegion>Aichi</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Japon</country></affiliation></author></analytic><monogr></monogr><series><title level="s">Lecture Notes in Computer Science</title><imprint><date>2004</date></imprint><idno type="ISSN">0302-9743</idno><idno type="eISSN">1611-3349</idno><idno type="ISSN">0302-9743</idno></series><idno type="istex">3201A865103A329D19CB4EA3480881C333B7F976</idno><idno 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Laparoscopic surgery is now widely performed as a minimum-invasive surgery. Because a laparoscope has a very narrow viewing area, this limits the surgeon’s viewable area. Making views that the abdominal wall is virtually elevated (virtual pneumoperitoneum) will be very helpful for intra-operative surgical navigation or pre-operative surgical planning. We deform original 3-D abdominal CT images so that the abdominal wall is virtually elevated. The entire process consists of five major steps: (a) extracting the abdominal wall, (b) elastic modeling, (c) elastic deformation of the model, (d) deformation of the original image, and (e) rendering virtual laparoscopic images. Virtual laparoscopic images are then generated from the deformed image. We have applied the method to three cases of 3-D abdominal CT images. From the experimental results, we confirmed that the abdominal wall was appropriately elevated by the proposed method. Laparoscopic views were very helpful for intra-operative surgical navigation as additional views of a surgeon or pre-operative surgical planning.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><country name="Japon"><noRegion><name sortKey="Kitasaka, Takayuki" sort="Kitasaka, Takayuki" uniqKey="Kitasaka T" first="Takayuki" last="Kitasaka">Takayuki Kitasaka</name></noRegion><name sortKey="Hashizume, Makoto" sort="Hashizume, Makoto" uniqKey="Hashizume M" first="Makoto" last="Hashizume">Makoto Hashizume</name><name sortKey="Hayashi, Yuichiro" sort="Hayashi, Yuichiro" uniqKey="Hayashi Y" first="Yuichiro" last="Hayashi">Yuichiro Hayashi</name><name sortKey="Kitasaka, Takayuki" sort="Kitasaka, Takayuki" uniqKey="Kitasaka T" first="Takayuki" last="Kitasaka">Takayuki Kitasaka</name><name sortKey="Mori, Kensaku" sort="Mori, Kensaku" uniqKey="Mori K" first="Kensaku" last="Mori">Kensaku Mori</name><name sortKey="Mori, Kensaku" sort="Mori, Kensaku" uniqKey="Mori K" first="Kensaku" last="Mori">Kensaku Mori</name><name sortKey="Suenaga, Yasuhito" sort="Suenaga, Yasuhito" uniqKey="Suenaga Y" first="Yasuhito" last="Suenaga">Yasuhito Suenaga</name><name sortKey="Suenaga, Yasuhito" sort="Suenaga, Yasuhito" uniqKey="Suenaga Y" first="Yasuhito" last="Suenaga">Yasuhito Suenaga</name><name sortKey="Toriwaki, Jun Ichiro" sort="Toriwaki, Jun Ichiro" uniqKey="Toriwaki J" first="Jun-Ichiro" last="Toriwaki">Jun-Ichiro Toriwaki</name><name sortKey="Toriwaki, Jun Ichiro" sort="Toriwaki, Jun Ichiro" uniqKey="Toriwaki J" first="Jun-Ichiro" last="Toriwaki">Jun-Ichiro Toriwaki</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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