Master's Thesis - Studierstube Augmented Reality Project - Graz ...

A.2 Data Files
0x60 xImOffset signed char Offset of the current image in pixels and x-direction for image
registration corresponding to the thp or rl Image.
0x62 yImOffset signed char Offset of the current image in pixels and y-direction for image
registration corresponding to the thp or rl Image.
0x64 ImageType int Determines the kind of REPHASED Image. 0 = PC, 1 = THP,
2 = AP, 3 = FH, 4 = RL
0x68 noiseLevel unsigned int The estimated noise level of the Image
0x6A maskKey unsigned int Key to the image’s mask.
0x6C registered Image bool If this is the registered base image, the flag is true
0x6D dicomFilenameOffset unsigned int Offset (in bytes) to the start of the DICOM filename of this
image relative to the start of the string section.
absolute path to the DICOM file.
Contains an
0x71 dicomFilenameLen unsigned int Length of this path string in Unicode characters.
0x75 checksum int CRC 32 Checksum over this header (excluding the checksum, of
course).
Table A.4: The image header. The length of this header is 117 bytes.
Offset Name Type Description
0x00 numColumns unsigned short Number of columns for this layer
0x02 numRows unsigned short Number of rows for this layer
Table A.5: The velocity field header.
Offset Name Type Description
0x00 drawingKey int The key the images use to refer to this drawing. An unique integer to be
used as key in the drawing map.
0x04 drawingLength int Length of the whole drawing data structure (without trailing padding
bytes due to alignment!).
0x08 numRegions short int The number of regions stored in this drawing.
0x0A drawingShared short int Boolean flag. Any value != 0 means the drawing is shared.
Table A.6: The drawings entry.
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