an introduction to visible human project
DESCRIPTION
An Introduction to Visible Human Project. Ku-Yaw Chang [email protected] Assistant Professor, Department of Computer Science and Information Engineering Da-Yeh University. Outline. Background Initial Aim Demonstration Users’ Conferences. Background. - PowerPoint PPT PresentationTRANSCRIPT
An Introduction toAn Introduction toVisible Human ProjectVisible Human Project
Ku-Yaw ChangKu-Yaw [email protected]@mail.dyu.edu.tw
Assistant Professor, Department of Assistant Professor, Department of Computer Science and Information EngineeringComputer Science and Information Engineering
Da-Yeh UniversityDa-Yeh University
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OutlineOutline
BackgroundBackgroundInitial AimInitial AimDemonstrationDemonstrationUsers’ ConferencesUsers’ Conferences
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BackgroundBackground
Having its roots in a 1986 long-range planning Having its roots in a 1986 long-range planning effort of the National Library of Medicine (NLM)effort of the National Library of Medicine (NLM) http://www.nlm.nih.gov/nlmhome.htmlhttp://www.nlm.nih.gov/nlmhome.html
Foreseeing an increasing role for electronically Foreseeing an increasing role for electronically represented images in clinical medicine and represented images in clinical medicine and biomedical researchbiomedical research
Considering building and disseminating medical Considering building and disseminating medical image libraries image libraries
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BackgroundBackground
The following recommendation was made The following recommendation was made early in 1989early in 1989 NLM should undertake a first project building a NLM should undertake a first project building a
digital image library of volumetric data representing digital image library of volumetric data representing a complete, normal adult male and female.a complete, normal adult male and female.
This Visible Human Project will includeThis Visible Human Project will includedigitized photographic images from cryosectioningdigitized photographic images from cryosectioning
digital images derived from computerized tomography and digital images derived from computerized tomography and digital magnetic resonance images of cadavers.digital magnetic resonance images of cadavers.
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BackgroundBackground
Two-dimensional images are composed of Two-dimensional images are composed of picture elementspicture elements or or pixelpixel.. Gray level : 0-255Gray level : 0-255
Pixel
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BackgroundBackground
Three-dimensional images are composed Three-dimensional images are composed of of volume elementsvolume elements or or voxelvoxel..
Voxel
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Initial AimInitial Aim
Acquire transverse CT, MRI and cryo-Acquire transverse CT, MRI and cryo-section images of a representative male section images of a representative male and female cadaver at an average of one and female cadaver at an average of one millimeter intervalsmillimeter intervals Visible Human MaleVisible Human Male Visible Human FemaleVisible Human Female
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Initial AimInitial AimThe Visible Human Male data setThe Visible Human Male data set MRI, CT and anatomical images.MRI, CT and anatomical images.MRI MRI Axial images of the head and neck and longitudinal Axial images of the head and neck and longitudinal
sections of the rest of the body were obtained at 4 sections of the rest of the body were obtained at 4 mm intervals.mm intervals.
Resolution: 256 pixels by 256 pixelsResolution: 256 pixels by 256 pixels Grey tone: 12 bits (0-4095) Grey tone: 12 bits (0-4095) CTCT Axial scans of the entire body taken at 1 mm intervalsAxial scans of the entire body taken at 1 mm intervals Resolution: 512 pixels by 512 pixelsResolution: 512 pixels by 512 pixels Grey tone: : 12 bits (0-4095) Grey tone: : 12 bits (0-4095)
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Initial AimInitial Aim
The Visible Human Male data setThe Visible Human Male data set Anatomical imagesAnatomical images
Cross-sections are at 1 mm intervalsCross-sections are at 1 mm intervals to coincide with the CT axial images. to coincide with the CT axial images.
1871 cross-sections for both CT and 1871 cross-sections for both CT and anatomyanatomyComplete male data setComplete male data set Size: 15 gigabytesSize: 15 gigabytes Publicly available in November, 1994. Publicly available in November, 1994.
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Initial AimInitial Aim
The Visible Human Female data setThe Visible Human Female data set Same characteristics as the The Visible Same characteristics as the The Visible
Human Male with the following exceptionHuman Male with the following exceptionAxial anatomical images were obtained at 0.33 mm Axial anatomical images were obtained at 0.33 mm intervals. (Male: 1mm)intervals. (Male: 1mm)5,189 anatomical images (Male: 1871 images)5,189 anatomical images (Male: 1871 images)
Complete female data setComplete female data set Size: 40 gigabytesSize: 40 gigabytes Publicly available in November, 1995. Publicly available in November, 1995.
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Initial AimInitial Aim
The Visible Human Female data setThe Visible Human Female data set Spacing in the "Z" direction was reduced to Spacing in the "Z" direction was reduced to
0.33mm 0.33mm To match the 0.33mm pixel sizing in the "X-Y" To match the 0.33mm pixel sizing in the "X-Y" planeplaneTo work with To work with cubic voxelscubic voxels in three-dimensional in three-dimensional images. images.
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Demonstration (Male)Demonstration (Male)
CT ScanCT Scan Prior to FreezingPrior to Freezing
Head subset
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Demonstration (Male)Demonstration (Male)
CT ScanCT Scan Prior to FreezingPrior to Freezing
Thorax subset
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Demonstration (Male)Demonstration (Male)
CT ScanCT Scan Prior to FreezingPrior to Freezing
Abdomen subset
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Demonstration (Male)Demonstration (Male)
CT ScanCT Scan After FreezingAfter Freezing
Head subset
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Demonstration (Male)Demonstration (Male)
MRI ScanMRI Scan
Thorax subset
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Demonstration (Male)Demonstration (Male)
MRI ScanMRI Scan
Pelvis subset
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Demonstration (Male)Demonstration (Male)
Color cryosectionColor cryosection
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Demonstration (Male)Demonstration (Male)
Color cryosectionColor cryosection
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Demonstration (Male)Demonstration (Male)
Color cryosectionColor cryosection
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Demonstration (Male)Demonstration (Male)
Color cryosectionColor cryosection
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Demonstration (Male)Demonstration (Male)
Color cryosectionColor cryosection
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Demonstration (Male)Demonstration (Male)
Color cryosectionColor cryosection
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Demonstration (Male)Demonstration (Male)
Color cryosection : from head to toeColor cryosection : from head to toe
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DemonstrationDemonstration
Transverse (or axial) sections Transverse (or axial) sections
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DemonstrationDemonstration
Coronal sections Coronal sections
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DemonstrationDemonstration
Sagittal sections Sagittal sections
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DemonstrationDemonstration
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DemonstrationDemonstration
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DemonstrationDemonstration
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DemonstrationDemonstration
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DemonstrationDemonstration
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Users’ ConferencesUsers’ Conferences
The Visible Human Project ConferencesThe Visible Human Project Conferences 19961996
http://www.nlm.nih.gov/research/visible/vhp_conf/http://www.nlm.nih.gov/research/visible/vhp_conf/vhpconf.htmvhpconf.htm
19981998http://www.nlm.nih.gov/research/visible/http://www.nlm.nih.gov/research/visible/vhpconf98/MAIN.HTMvhpconf98/MAIN.HTM
20002000http://www.nlm.nih.gov/research/visible/http://www.nlm.nih.gov/research/visible/vhpconf2000/MAIN.HTMvhpconf2000/MAIN.HTM
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Reference WebsitesReference Websites
Fact Sheet : The Visible Human Project Fact Sheet : The Visible Human Project http://www.nlm.nih.gov/pubs/factsheets/http://www.nlm.nih.gov/pubs/factsheets/
visible_human.htmlvisible_human.html
Voxel-man GalleryVoxel-man Gallery http://www.uke.uni-hamburg.de/zentren/http://www.uke.uni-hamburg.de/zentren/
experimentelle_medizin/informatik/galerie/experimentelle_medizin/informatik/galerie/io.en.htmlio.en.html