Media 000635953: Fossil Skull
Restricted Download
Type Volumetric Image Series
Modality X-Ray Computed Tomography (CT/microCT)
Media represents biological specimen

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GENERAL DETAILS Field Definitions

Media ID
000635953
Media type
Volumetric Image Series
Object element or part
fossil skull
Object represented
Object taxonomy
Cynariognathus sp.
Side
--
Orientation
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Short description
HRXCT scan -- skull
Full description
University of Texas High-Resolution X-ray CT Facility Archive 2248 Rowe: cynar: Scans of the fossil skull of a Cynariognathus (UCMP 42659, Tapinocephalus Zone, South Africa, Beaufort, Cape Prov., Camp C.L., 1936) for Timothy Rowe of University of Texas at Austin and Trond Sigurdssen of the University of California Berkeley. Specimens scanned by Matthew Colbert 22 April 2010. 16bit (scale 3000): 1024x1024 16-bit TIFF images. II, 200 kV, 0.18 mA, intensity control off, high-power mode, no filter, empty container wedge, no offset, slice thickness 2 lines ( = 0.1184 mm), S.O.D. 170 mm, 1400 views, 3 samples per view, inter-slice spacing 2 lines ( = 0.1184 mm), field of reconstruction 56 mm (maximum field of view 56.55244 mm), reconstruction offset 5000, scanner scale 1500, reconstruction scales 3000 and 1500. Acquired with 19 slices per rotation and 15 slices per set. Fillin-, drift-, streak- and ring-removal processing done by Satomi Ishihama based on correction of raw sinogram data using IDL routines “RK_SinoFillin” with parameter “1, /top,” “RK_SinoDeDrift” with parameter “cutoff=0.07,” “RK_SinoDeStreak” with default parameters and “RK_SinoRingProcSimul” with parameter “bestof5=11.” Reconstructed with 1402 views and beam hardening coefficients using IDL FindBHC [Y found=-0.01, 0.05, 0.05, 0.06, 0.07, 0.10, 0.12, 0.17, 0.34, 1.42 with parameters “Num Coef=10, Downsample=None, ROI mode=Joint”]. Deleted first 4 duplicate slices from each rotation. Post-reconstruction ring correction done by Satomi Ishihama using IDL UTCT ring correction program with parameters “oversample=3.0, binwidth=25, sectors=60, grayscales=4352-65535.” Deleted first 3 and last 14 blank slices. Total final slices =778.
Creator
Matthew Colbert
Date created
April 22, 2010
Date uploaded
June 07, 2024

FILE OBJECT DETAILS Field Definitions

File name
File format(s)
ZIP archive, TIFF
File size
801 MB
Image width
1019
Image height
795
Color space
BlackIsZero
Color depth
16
Compression
Uncompressed
Series type
Reconstructed image stack
X pixel spacing
0.054700
Y pixel spacing
0.054700
Z pixel spacing
0.118400
Pixel spacing units
Mm
Slice thickness
--
Number of images in set
778

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 CT scanner with FeinFocus 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 uploaded by
Publication status
Restricted Download
IP holder
University of California Regents; University of California Museum of Paleontology
Copyright statement
Morphosource use agreement type
Standard
Permits commercial use
Commercial Use Permitted
Permits 3D use
3D Printing Permitted
Required archival of published derivatives
On MorphoSource
Funding attribution
DBI-1902242
Publisher
oUTCT PEN
Cite as
Data acquired for Tim Rowe. Data upload to MorphoSource was funded by DBI-1902242. The files were downloaded from www.MorphoSource.org, Duke University.
Media preview mode
Interactive/Embeddable
Additional usage agreement
None

IDENTIFIERS AND EXTERNAL LINKS Field Definitions

MorphoSource ARK
MorphoSource DOI
Not assigned
External identifier
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External media URL
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IMAGE ACQUISITION AND PROCESSING IN DETAIL

STEP 1: IMAGE ACQUISITION

Physical object UCMP:V:42659 was imaged to create undeposited raw media.

IMAGING DETAILS Field Definitions

Modality
X-Ray Computed Tomography (CT/microCT)
Device facility
The University of Texas High-Resolution X-ray Computed Tomography Facility (University of Texas at Austin)
Creator
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Event date
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Software
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Description
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Description attachment
None
Reference attachment
None
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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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STEP 2: IMAGE PROCESSING

Raw media (undeposited) was processed to create derived Media 000635953: Fossil Skull [CTImageSeries] [CT] (this media).

Processing Details Field Definitions

Creator
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Event date
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Description
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Description attachment
None

Media produced by this event on MorphoSource

Media 000635953: Fossil Skull [CTImageSeries] [CT] (this media)