Media 000523565: Specimen
Restricted Download
Type Volumetric Image Series
Modality X-Ray Computed Tomography (CT/microCT)
Managed by

Media Display

TAGS

No tags found.

GENERAL DETAILS Field Definitions

Media ID
000523565
Media type
Volumetric Image Series
Object element or part
Specimen
Object taxonomy
Gilsonicaris rhenanus
Side
NotApplicable
Orientation
coronal
Short description
--
Full description
--
Creator
Gueriau, Pierre
Date created
--
Date uploaded
May 12, 2023

FILE OBJECT DETAILS Field Definitions

File name
Gilsonicaris_coronal_slices.zip
File format(s)
ZIP archive, TIFF
File size
15.6 MB
Image width
500
Image height
1268
Color space
BlackIsZero
Color depth
8
Compression
Uncompressed
X pixel spacing
10.150000
Y pixel spacing
10.150000
Z pixel spacing
10.150000
Pixel spacing units
Um
Slice thickness
10.15
Number of images in set
48

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
General Electric phoenix v|tome|x L 240, AST-RX: X-ray Tomography Technical Platform (Muséum National d'Histoire Naturelle)

OWNERSHIP AND PERMISSIONS Field Definitions

Data managed by
Data uploaded by
Publication status
Restricted Download
Download reviewer
IP holder
--
Copyright statement
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
--
Publisher
--
Cite as
--
Media preview mode
Interactive/Embeddable
Additional usage agreement
None

IDENTIFIERS AND EXTERNAL LINKS Field Definitions

MorphoSource ARK
MorphoSource DOI
Not assigned
External identifier
--

IMAGE ACQUISITION AND PROCESSING IN DETAIL

STEP 1: IMAGE ACQUISITION

Physical object RBINS-Scientific Heritage:a:11647 was imaged to create undeposited raw media.

IMAGING DETAILS Field Definitions

Modality
X-Ray Computed Tomography (CT/microCT)
Device facility
AST-RX: X-ray Tomography Technical Platform (Muséum National d'Histoire Naturelle)
Creator
Gueriau, Pierre
Event date
--
Software
--
Description
X-ray radiography of the slate and micro-computed tomography (µCT) of Gilsonicaris were performed at the AST-RX imaging platform of the Muséum national d’Histoire naturelle (Paris, France), using a GE Sensing and an Inspection Technologies phoenix | x-ray v | tome | ×L240-180 CT scanner. Van Straelen (1943) described and figured segmentation on the disarticulated posterior part of the specimen, a feature this is not clearly observed today on the specimen, neither using optical microscopy nor using X-ray radiography. We therefore limited µCT scanning to the articulated anterior part of the specimen, which also allowed for achieving higher resolution. 2600 projections were collected over 214° to account for the extremely flat nature of the specimen, using 3 averaged images per projection, 1 second of exposure time, and 1 skipped image before each projection. Voltage and current were set to 90 kV and 300 mA, respectively. The volume was reconstructed using the phoenix datos| xfi 2.0 reconstruction software, yielding an isotropic voxel size of 10.15 µm. The dataset was then exported into an 8-bit TIFF image stack of 48 coronal slices.
Description attachment
None
Reference attachment
None
Exposure time
1 s
Flux normalization
--
Pixel spacing calibration
--
Shading correction
--
Frame averaging
3
Projections
2600
Voltage
90 kV
Power
--
Amperage
300 mA
Surrounding material
--
X-ray tube type
--
Target type
--
Detector type
--
Detector pixels X
--
Detector pixels size X
--
Detector pixels Y
--
Detector pixels size Y
--
Detector configuration
--
Source object distance
--
Source detector distance
--
Target material
--
Rotation number
--
Phase contrast
No
Optical magnification
--
Acquisition type
--

STEP 2: IMAGE PROCESSING

Raw media (undeposited) was processed to create derived Media 000523565: Specimen [CTImageSeries] [CT] (this media).

Processing Details Field Definitions

Creator
Gueriau, Pierre
Event date
--
Software
ImageJ
Description
The reconstructed volume was reoriented and exported into an 8-bit TIFF image stack of 48 coronal slices using ImageJ
Description attachment
None

Media produced by this event on MorphoSource

Media 000523565: Specimen [CTImageSeries] [CT] (this media)