Media 000590278: Skull
Restricted Download
Type Volumetric Image Series
Modality X-Ray Computed Tomography (CT/microCT)
Media represents biological specimen
mvz:mammal specimens:63308 Odobenus rosmarus
Managed by
Jessie Maisano

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Media produced from the same original imaging that created Media 000590278 (this media). Includes all media associated with this media through an imaging and processing workflow.

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GENERAL DETAILS Field Definitions

Media ID
000590278
Media type
Volumetric Image Series
Object element or part
skull
Object represented
mvz:mammal specimens:63308
Object taxonomy
Odobenus rosmarus
Object organization
Museum of Vertebrate Zoology (MVZ) Mammal Collection (Arctos)
Side
--
Orientation
--
Short description
HRXCT scan - skull
Full description
University of Texas High-Resolution X-ray CT Facility Archive 1343 Rowe: odobe: Scans of a baby walrus skull of Odobenus rosmarus divergens (MVZ 63308; Sevoonga, St. Lawrence Island, Alaska; coll. 1931, female) for Tim Rowe and Digimorph of the University of Texas at Austin. Specimen scanned by Philip Watson 4 November 2005. 16bit: 1024x1024 16-bit TIFF images. P250D, 420 kV, 1.8 mA, no filter, air wedge, 160% offset, 32 ms integration time, slice thickness (= 0.25 mm), S.O.D. 641 mm, 1000 views, 1 ray averaged per view, 1 sample per view, inter-slice spacing (= 0.2 mm), field of reconstruction 208 mm (maximum field of view 210.154 mm), reconstruction offset 9300, scanner scale 7200, reconstruction scale 2200. Ring removal processing done by Alison Mote based on correction of raw sinogram data using IDL routine “RK_SinoRingProcSimul” with default parameters. Reconstructed with an angle of 170 degrees. Images were flipped horizontally in Photoshop and then renumbered in reverse order. Total slices = 620.
Creator
Philip Watson
Date created
November 04, 2005
Date uploaded
December 08, 2023

FILE OBJECT DETAILS Field Definitions

File name
16bit.zip
File format(s)
ZIP archive, TIFF
File size
633 MB
Image width
712
Image height
1005
Color space
BlackIsZero
Color depth
16
Compression
Uncompressed
Series type
Reconstructed image stack
X pixel spacing
0.200000
Y pixel spacing
0.200000
Z pixel spacing
0.200000
Pixel spacing units
Mm
Slice thickness
--
Number of images in set
620

IMAGE ACQUISITION AND PROCESSING AT A GLANCE Field Definitions

Number of parent media
0
Number of processing events
1 (0 steps)
Modality
X-Ray Computed Tomography (CT/microCT)
Device
Varian Medical Systems (Bio-Imaging Research, Inc) ACTIS scanner with GE Titan X-ray source, The University of Texas High-Resolution X-ray Computed Tomography Facility (University of Texas at Austin)

OWNERSHIP AND PERMISSIONS Field Definitions

Data managed by
Jessie Maisano
Data uploaded by
Jessie Maisano
Publication status
Restricted Download
Download reviewer
Museum of Vertebrate Zoology; Carla Cicero; Carol Spencer; Jessica Maisano; Chris Conroy
IP holder
Museum of Vertebrate Zoology, UC Berkeley
Copyright statement
 In Copyright - Non-Commercial Use Permitted
Creative Commons license
 Creative Commons BY-NC Attribution-NonCommercial 4.0 International
Morphosource use agreement type
Standard
Permits commercial use
Commercial Use Not Permitted
Permits 3D use
3D Printing Limited
Required archival of published derivatives
On MorphoSource
Funding attribution
IIS-0208675; DBI-1902242
Publisher
oUTCT PEN
Cite as
These data made available by Tim Rowe, acquired for DigiMorph.org under IIS-0208675, oUTCT provided access to these data, funded by DBI-1902242. The files were downloaded from www.MorphoSource.org, Duke University.
Media preview mode
Interactive/Embeddable
Additional usage agreement
 https://mvz.berkeley.edu/mvzdata_terms/

IDENTIFIERS AND EXTERNAL LINKS Field Definitions

MorphoSource ARK
 ark:/87602/m4/590278
MorphoSource DOI
Not assigned
External identifier
--
External media URL
https://digimorph.org/specimens/Odobenus_rosmarus/juvenile/

IMAGE ACQUISITION AND PROCESSING IN DETAIL

STEP 1: IMAGE ACQUISITION

Physical object mvz:mammal specimens:63308 was imaged to create undeposited raw media.

IMAGING DETAILS Field Definitions

Modality
X-Ray Computed Tomography (CT/microCT)
Device
Device facility
The University of Texas High-Resolution X-ray Computed Tomography Facility (University of Texas at Austin)
Creator
--
Event date
--
Software
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Description
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Description attachment
None
Reference attachment
None
Exposure time
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Flux normalization
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Pixel spacing calibration
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Shading correction
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Frame averaging
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Projections
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Voltage
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Power
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Surrounding material
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X-ray tube type
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Target type
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Detector type
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Detector pixels X
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Detector pixels size X
--
Detector pixels Y
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Detector pixels size Y
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Detector configuration
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Source object distance
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Source detector distance
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Target material
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Rotation number
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Optical magnification
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Acquisition type
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STEP 2: IMAGE PROCESSING

Raw media (undeposited) was processed to create derived Media 000590278: Skull [CTImageSeries] [CT] (this media).

Processing Details Field Definitions

Creator
--
Event date
--
Software
--
Description
--
Description attachment
None

Media produced by this event on MorphoSource

Media 000590278: Skull [CTImageSeries] [CT] (this media)