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Virtual Endoscopy

Kensaku Mori
2001 Journal of Computer Aided Diagnosis of Medical Images  
Computer Graphics, 22: 65-74, 1988. [14] K.Mori, J.Hasegawa, Y.Suenaga, et al: Automated anatomical labeling of the bronchial branch and its application to the Virtualized Bronchoscopy System.  ...  IEEE Transactions on Medical Imaging, 19: 103-114, 2000.[15] K.Mori, Y.Suenaga, J.Toriwaki, et al: Automated display of the anatomical name of bronchial branches in a virtual bronchoscopy system and its  ... 
doi:10.11313/cadm.5.53 fatcat:qadu6acs4fgx7grv6yxquc2iwu

Automated Nomenclature of Bronchial Branches Extracted from CT Images and Its Application to Biopsy Path Planning in Virtual Bronchoscopy [chapter]

Kensaku Mori, Sinya Ema, Takayuki Kitasaka, Yoshito Mekada, Ichiro Ide, Hiroshi Murase, Yasuhito Suenaga, Hirotsugu Takabatake, Masaki Mori, Hiroshi Natori
2005 Lecture Notes in Computer Science  
When a user inputs a target point around suspicious regions on the display of a virtual bronchoscopy (VB) system, the path to the desired position is displayed as a sequence of anatomical names of branches  ...  As an application of the automated nomenclature of bronchial branches, we utilized anatomical labeling results for assisting biopsy planning.  ...  When a user inputs a target point around suspicious regions on the display of a virtual bronchoscopy (VB) system [4] , the path to the desired position is displayed as a sequence of anatomical names of  ... 
doi:10.1007/11566489_105 fatcat:c6sfokbsbzhxhjiruspkvy4m3y

Automated anatomical labeling of the bronchial branch and its application to the virtual bronchoscopy system

K. Mori, J. Hasegawa, Y. Suenaga, J. Toriwaki
2000 IEEE Transactions on Medical Imaging  
This paper describes a method for the automated anatomical labeling of the bronchial branch extracted from a three-dimensional (3-D) chest X-ray CT image and its application to a virtual bronchoscopy system  ...  Index Terms-Anatomical labeling, bronchial branch, bronchus, knowledge-based processing, 3-D chest X-ray CT image, virtual bronchoscopy, virtual endoscopy.  ...  Yoshida for his collaboration in implementing the functions described in Sections III and IV, and colleagues at Nagoya University for useful suggestions and discussions.  ... 
doi:10.1109/42.836370 pmid:10784282 fatcat:uwanxiusuregjlu72ejjiengxm

A Novel Needle-type Sampling Device for Flexible Ultrathin Bronchoscopy

Yuji Suda, Akiko Tanaka, Katsutoshi Hayashi, Yuriko Shindoh, Hideya Iijima
2008 Tohoku journal of experimental medicine  
The optimal bronchial route to the lesion was analyzed with virtual bronchoscopy in a data set obtained with high-resolution computed tomography, and a novel bronchial route labeling system (prior-ridge-based  ...  Our novel sampling system with flexible ultrathin bronchoscopes may contribute to accurate and minimally invasive diagnosis of peripheral pulmonary lesions. solitary pulmonary nodule; diagnostic bronchoscopy  ...  The optimal bronchial route to the lesion was analyzed with virtual bronchoscopy in a data set obtained with high-resolution computed tomography, and a novel bronchial route labeling system (prior-ridge-based  ... 
doi:10.1620/tjem.216.81 pmid:18719342 fatcat:yp6i4dgrgvcezbukgu4t4ujnw4

Pulmonary Airways: 3-D Reconstruction From Multislice CT and Clinical Investigation

C.I. Fetita, F. Preteux, C. Beigelman-Aubry, P. Grenier
2004 IEEE Transactions on Medical Imaging  
They highlight the interest in considering CT bronchography and virtual bronchoscopy as complementary tools for clinical diagnosis and follow-up of airway diseases.  ...  Global and local analysis of the reconstructed airways is possible by means of specific visualization modalities, respectively, the CT bronchography and the virtual bronchoscopy.  ...  Perchet for her help in selecting the endoluminal views illustrating this paper.  ... 
doi:10.1109/tmi.2004.826945 pmid:15554124 fatcat:yxw2fgm35bh6difnr5qhfoc7ta

Session V: Lung

G.J. Kelloff
2006 Cancer Biomarkers  
In contrast to other epithelial organs, the lung is an internal organ consisting of a complex branching system of airways leading to gas exchange units with a surface area the size of a tennis court.  ...  Instead of a single cell type, lung cancer consists of several cell types, preferentially located in different parts of the bronchial tree.  ...  The interactive 3D user interface has been developed to perform five functions: automated segmentation and virtual rendering of airways from a chest CT scan; virtual bronchoscopic navigation of the airway  ... 
doi:10.3233/cbm-2007-3109 fatcat:z3gk5buz3fgzfasavbn4ugsldy

CT based computerized identification and analysis of human airways: A review

Jiantao Pu, Suicheng Gu, Shusen Liu, Shaocheng Zhu, David Wilson, Jill M. Siegfried, David Gur
2012 Medical Physics (Lancaster)  
of computer-aided clinical applications, such as virtual bronchoscopy.  ...  Hence, automated and semiautomated computerized analysis of human airways is becoming an important research area in medical imaging.  ...  Similarly, Kawai et al. 53 described an automated anatomical labeling algorithm of the bronchial branches. However, information regarding the procedure was not described in detail in Ref. 53 .  ... 
doi:10.1118/1.4703901 pmid:22559631 pmcid:PMC3344883 fatcat:ff7pnb624naoldkajor4fjjijy

Automated procedure assessing the accuracy of HRCT–PET registration applied in functional virtual bronchoscopy

Gábor Opposits, Marianna Nagy, Zoltán Barta, Csaba Aranyi, Dániel Szabó, Attila Makai, Imre Varga, László Galuska, Lajos Trón, László Balkay, Miklós Emri
2021 EJNMMI Research  
Registration of segmented images was performed using elastix. Results For virtual bronchoscopy, we used an in-house developed segmentation method.  ...  Background Bronchoscopy serves as direct visualisation of the airway. Virtual bronchoscopy provides similar visual information using a non-invasive imaging procedure(s).  ...  The 3D rendering of 18 F-FDG PET/CT images was first used for virtual bronchoscopy in 2006 [18] .  ... 
doi:10.1186/s13550-021-00810-w fatcat:2nnovxxikndmxgdcrytvjvysn4

Segmentation of distal airways using structural analysis

Debora Gil, Carles Sanchez, Agnes Borras, Marta Diez-Ferrer, Antoni Rosell, Niels Bergsland
2019 PLoS ONE  
Segmentation of airways in Computed Tomography (CT) scans is a must for accurate support of diagnosis and intervention of many pulmonary disorders.  ...  We present a method that combines descriptors of bronchi local appearance and graph global structural analysis to fine-tune thresholds on the descriptors adapted for each bronchial level.  ...  VBN systems allow for coupling virtual and real-time bronchoscopy, which is useful for guiding ultrathin bronchoscopes and other devices in diagnostic interventions [4] .  ... 
doi:10.1371/journal.pone.0226006 pmid:31856216 pmcid:PMC6922352 fatcat:u2k22pv6hzfyngxxtni65ay3fe

Airway Segmentation and Centerline Extraction from Thoracic CT – Comparison of a New Method to State of the Art Commercialized Methods

Pall Jens Reynisson, Marta Scali, Erik Smistad, Erlend Fagertun Hofstad, Håkon Olav Leira, Frank Lindseth, Toril Anita Nagelhus Hernes, Tore Amundsen, Hanne Sorger, Thomas Langø, Josué Sznitman
2015 PLoS ONE  
In navigated bronchoscopy, virtual 3D airway visualization is often used to guide a bronchoscopic tool to peripheral lesions, synchronized with the real time video bronchoscopy.  ...  Two of the software systems performed satisfactory with respect to be used in preprocessing CT images for navigated bronchoscopy, i.e. the TSF method and the MPM.  ...  [9] presented a review of methods developed primarily for computerized analysis of human airways; they also consider the use of segmentation for path planning in virtual bronchoscopy.  ... 
doi:10.1371/journal.pone.0144282 pmid:26657513 pmcid:PMC4676651 fatcat:fghy7lika5fqdi5dqnjbvtsnfi

Robust Segmentation and Anatomical Labeling of the Airway Tree from Thoracic CT Scans [chapter]

Bram van Ginneken, Wouter Baggerman, Eva M. van Rikxoort
2008 Lecture Notes in Computer Science  
A method for automatic extraction and labeling of the airway tree from thoracic CT scans is presented and extensively evaluated on 150 scans of clinical dose, low dose and ultra-low dose data, in inspiration  ...  The method uses adaptive thresholds while growing the airways and it is shown that this strategy leads to a substantial increase in the number, total length and number of correctly labeled airways extracted  ...  In conclusion, we have presented a fast, fully automatic method to extract the bronchial tree far into the periphery of the lungs and in addition label the most important branches.  ... 
doi:10.1007/978-3-540-85988-8_27 fatcat:u677etsrybdt3iylovmyhqn2h4

Research Report of the Project on Development of Automated Image Diagnosis System of Cancer using Multimodal Digital Image Processing by the Grant-in-Aid for Cancer Research, the Ministry of Health and Welfare, Japanese Government
多元デジタル映像処理に基づくがんの画像自動診断システムの開発に関する研究、厚生省がん研究助成金研究成果報告

Jun-ichiro TORIWAKI
2000 Journal of Computer Aided Diagnosis of Medical Images  
Vannier, ,186, 5, pp.317-321 (1998.8.1) いた胸部 X 線 CT 像からの肺野領域精密抽出、医用画像工学会 JAMIT bronchial branches in virtual bronchoscopy system and its における内視鏡操作シミュレーション法の開発、 第8回コンピュータ K. Inamura and A.G.  ...  mical names of bronchial branches extracted form 3-D X-ray CT image and its application to virtualized bronchoscopy system, Proc. of the 1st International Wiorkshop on Computer Aided Diagnosis, (1998.9  ... 
doi:10.11313/cadm.4.19 fatcat:nf5jtt37ondtdootyblj7mgbxy

From lung images to lung models: A review

S. L. A. Lee, A. Z. Kouzani, E. J. Hu
2008 2008 IEEE International Joint Conference on Neural Networks (IEEE World Congress on Computational Intelligence)  
Automated 3D lung modeling involves analyzing 2D lung images and reconstructing a realistic 3D model of the lung.  ...  The algorithms used by the existing systems to implement these components are also reviewed.  ...  ACKNOWLEDGMENT The support of the Victorian Partnership for Advanced Computing (VPAC) lUlder an e-Research Program Grants Scheme is gratefully acknowledged  ... 
doi:10.1109/ijcnn.2008.4634128 dblp:conf/ijcnn/LeeKH08 fatcat:74rnkdvoo5cxhmopimvz7kdwtu

Survey of Labeling Techniques in Medical Visualizations [article]

Steffen Oeltze-Jafra, Bernhard Preim
2014 Eurographics Workshop on Visual Computing for Biomedicine  
Annotations of relevant structures and regions are crucial in diagnostics, treatment planning, medical team meetings as well as in medical education.  ...  and tackling various issues, e.g., occlusion of structures by labels, overlapping labels, and crossings of lines connecting labels with structures.  ...  The surface of the extracted tree serves as the input for a virtual bronchoscopy system facilitating ights through the bronchus.  ... 
doi:10.2312/vcbm.20141192 fatcat:jwijmnyj4jdyza76zidnxy4c7i

Computer assisted detection of abnormal airway variation in CT scans related to paediatric tuberculosis

Benjamin J. Irving, Pierre Goussard, Savvas Andronikou, Robert Gie, Tania S. Douglas, Andrew Todd-Pokropek, Paul Taylor
2014 Medical Image Analysis  
This study presents a local airway point distribution model (LA-PDM) to automatically analyse regions of the airway tree in CT scans and identify abnormal airway deformation.  ...  In our method, the airway tree is segmented and the centreline identified from each chest CT scan.  ...  CT with techniques such as virtual bronchoscopy and virtual rendering, shows potential as an alternative to bronchoscopy.  ... 
doi:10.1016/j.media.2014.05.007 pmid:24972375 fatcat:q7m72vjxafdcndiel47etmqtqu
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