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devel / comp.protocols.dicom / Trivia: SECTRA "thumbnails" folder

Trivia: SECTRA "thumbnails" folder

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Subject: Trivia: SECTRA "thumbnails" folder
From: mathieu.malaterre@gmail.com (Mathieu Malaterre)
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by: Mathieu Malaterre - Thu, 13 Jul 2023 13:49 UTC

The guests of your next dinner party are sure to be stumped by this fun and interesting DICOM quiz question:

Did you know SECTRA DICOM Viewer is using DCM as way to store icons.

Take a look at:

$ dcmdump Viewer/thumbnails/00000ABC

# Dicom-File-Format

# Dicom-Meta-Information-Header
# Used TransferSyntax: Little Endian Explicit
(0002,0000) UL 40 # 4, 1 FileMetaInformationGroupLength
(0002,0001) OB 00\01 # 2, 1 FileMetaInformationVersion
(0002,0010) UI =LittleEndianImplicit # 18, 1 TransferSyntaxUID

# Dicom-Data-Set
# Used TransferSyntax: Little Endian Implicit
(0028,0002) US 1 # 2, 1 SamplesPerPixel
(0028,0004) CS [MONOCHROME2] # 12, 1 PhotometricInterpretation
(0028,0010) US 64 # 2, 1 Rows
(0028,0011) US 64 # 2, 1 Columns
(0028,0100) US 8 # 2, 1 BitsAllocated
(0028,0101) US 8 # 2, 1 BitsStored
(0028,0102) US 7 # 2, 1 HighBit
(0028,0103) US 0 # 2, 1 PixelRepresentation
(7fe0,0010) OW 0000\0000\0000\0000\0000\0000\0000\0000\0000\0000\0000\0000\0000... # 4096, 1 PixelData

128 byte File Preamble is all 0s.

Subject	Author
Trivia: SECTRA "thumbnails" folder	Mathieu Malaterre