quicksee - labquicksee: virtual-endoscopic system for interactive navigation and detailed...
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QUICKSEE:QUICKSEE:Virtual-Endoscopic System for
Interactive Navigation and Detailed Quantitation
William E. Higgins,William E. Higgins,1,21,2 Krishnan Ramaswamy,Krishnan Ramaswamy,11
Geoffrey McLennan,Geoffrey McLennan,22 Eric A. Hoffman,Eric A. Hoffman,22 Roderick SwiftRoderick Swift11
11Penn State University, University Park, PA 16802Penn State University, University Park, PA 1680222University of Iowa, Iowa City, IA 52246University of Iowa, Iowa City, IA 52246
RSNA '96 RSNA '96 ---- infoRADinfoRAD, Chicago, IL, 1 December 1996, Chicago, IL, 1 December 1996
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Acknowledgments:
Research supported by grants from:
Whitaker Foundation Whitaker Foundation ------ Biomedical Engineering GrantBiomedical Engineering Grant
National Cancer Institute of the NIH, grant CA53607.National Cancer Institute of the NIH, grant CA53607.
NSF NSF ------ Biological Instrument Devel., grant BIR9317816Biological Instrument Devel., grant BIR9317816
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infoRAD Exhibit Goals:1. Appreciate virtual endoscopy's 1. Appreciate virtual endoscopy's potentialpotential for 3D for 3D
thoracic image assessment thoracic image assessment
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infoRAD Exhibit Goals:2. Understand the “enhanced awareness” afforded by 2. Understand the “enhanced awareness” afforded by
virtualvirtual endoscopy over endoscopy over traditionaltraditional endoscopyendoscopy
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infoRAD Exhibit Goals:3. Realize need for 3. Realize need for automatic image analysisautomatic image analysis
to make virtual endoscopy truly usefulto make virtual endoscopy truly useful
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QUICKSEE: QUICKSEE: virtualvirtual--endoscopic software systemendoscopic software system
1. 3D thoracic analysis 1. 3D thoracic analysis
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QUICKSEE: QUICKSEE: virtualvirtual--endoscopic software systemendoscopic software system
2 . Provides many 2 . Provides many pictorialpictorial and and quantitativequantitative tools: tools:
a. Visualize airways a. Visualize airways
b. Get measurements (crossb. Get measurements (cross--sectional area)sectional area)
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QUICKSEE: QUICKSEE: virtualvirtual--endoscopic software systemendoscopic software system
3. Automatic or manual navigation 3. Automatic or manual navigation
a. use automatically computed paths a. use automatically computed paths
b. create one yourselfb. create one yourself
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Virtual Endoscopy Virtual Endoscopy ------ IdeaIdea
Input a highInput a high--resolution 3D radiologic image resolution 3D radiologic image
virtual copy of anatomyvirtual copy of anatomy
Use computer to explore virtual anatomy Use computer to explore virtual anatomy
permits unlimited navigation explorationpermits unlimited navigation exploration
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QUICKSEE --- basic operation1. Load:1. Load:
3D radiologic image3D radiologic image(optional) 3D path data(optional) 3D path data
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QUICKSEE --- basic operation
2. Automatic Mode: 2. Automatic Mode:
Automatically compute: Automatically compute: paths (axes) paths (axes)
extracted regions (airways)extracted regions (airways)
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QUICKSEE --- basic operation
3. Interactive Mode: 3. Interactive Mode:
View, Edit, Create pathsView, Edit, Create paths
View structures; get quantitative dataView structures; get quantitative data
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Case 1:
Dog LungDog Lung
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1. View automatically computed airway axes 1. View automatically computed airway axes on reference projections.on reference projections.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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2. See Virtual Endoscopic View and 2D Slices.2. See Virtual Endoscopic View and 2D Slices.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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3. See quantitative data and local 2D 3. See quantitative data and local 2D crosscross--sections.sections.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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4. See Oblique slices along airway.4. See Oblique slices along airway.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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5. See plot of lumen diameter along 5. See plot of lumen diameter along airway extent.airway extent.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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6. See a straightened “Tube View” along 6. See a straightened “Tube View” along airway.airway.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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7. See Virtual Endoscopic movie along airway.7. See Virtual Endoscopic movie along airway.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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8. MPEG recording of Virtual Endoscopic 8. MPEG recording of Virtual Endoscopic movie along airway.movie along airway.
Case 1:Case 1:Dog Bronchial TreeDog Bronchial Tree
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Example 2:
Lung Cancer PatientLung Cancer Patient
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1. Get automatically computed paths.1. Get automatically computed paths.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
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2. See lumen diameter along airway path.2. See lumen diameter along airway path.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
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3. View straightened “Tube View” 3. View straightened “Tube View” along airway.along airway.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
Note severe narrowingNote severe narrowingdue to cancer.due to cancer.
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4. View oblique slices along airway.4. View oblique slices along airway.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
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5. See local cross5. See local cross--sections at cancer site.sections at cancer site.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
Note severe narrowingNote severe narrowingdue to cancer.due to cancer.
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6. See global 2D slice at cancer site.6. See global 2D slice at cancer site.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
Note severe narrowingNote severe narrowingdue to cancer.due to cancer.
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7. See Endoscopic Movie along 7. See Endoscopic Movie along diseased airway.diseased airway.
Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
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Case 2:Case 2:Lung Cancer PatientLung Cancer Patient
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Case 3:Healthy HumanHealthy Human
Complete Lung ScanComplete Lung Scan
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1. Get automatically computed paths.1. Get automatically computed paths.
Case 3:Case 3:Healthy HumanHealthy Human
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2. See Tube View along airway.2. See Tube View along airway.
Case 3:Case 3:Healthy HumanHealthy Human
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Sagittal...Sagittal...
3a. View 2D Global Slices at a site3a. View 2D Global Slices at a site
Case 3:Case 3:Healthy HumanHealthy Human
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3b. View 2D Global Slices at a site3b. View 2D Global Slices at a site
Coronal...Coronal...
Case 3:Case 3:Healthy HumanHealthy Human
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Transverse...Transverse...
3c. View 2D Global Slices at a site3c. View 2D Global Slices at a site
Case 3:Case 3:Healthy HumanHealthy Human
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4. If desired, navigate through lungs yourself!4. If desired, navigate through lungs yourself!