R - MidasParameters Report
MidasName
Example
Subject
Subject_ID
Unique Subject ID
000001
Subject_Name
*****
Subject_Birth_Date
[08/22/1993] would represent August 22, 1993
Subject_sex
M
Ethnic_Group
Non-Hispanic
Race
White
Referring_Physician_Name
Rev. John Robert Quincy Adams, B.A. M.Div. [Adams^John Robert
Quincy^^Rev.^B.A. M.Div.]
[One family name; three given names; no middle name; one prefix;
two suffixes.]
Susan Morrison-Jones, Ph.D., Chief Executive Officer [MorrisonJones^Susan^^^Ph.D., Chief Executive Officer]
[Two family names; one given name; no middle name; no prefix; two
suffixes.]
John Doe [Doe^John]
[One family name; one given name; no middle name, prefix, or suffix.
Delimiters have been omitted for the three trailing null components.]
Study_Operator
Albert Einstein
Subject_Comments
Patient was very uncomfortable in the magnet and it was difficult to
get him to cooperate.
Study
Study_ID
Unique ID of the Study
1.2.840.xxxxx.3.152.235.2.12.187636473
Study_Date
08/22/1993 would represent August 22, 1993.
Study_Time
Time the Study started.
1. “070907.0705 ” represents a time of 7 hours, 9 minutes and 7.0705
seconds.
2. “1010” represents a time of 10 hours, and 10 minutes.
3. “021 ” is an invalid value.
Study_Description
Epilepsy protocol B
Modality
MR
Subject_Age
Age at time of study
[018M] would represent an age of 18 months.
Subject_Weight
Weight in Kg.
125.8
Institution_Name
University of Miami school of Medicine
Station_Name
MR Center
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MidasName
Example
Manufacturer
Siemens
Manufacturer_Model_Name
Sonata
Release_Version
128.234
Nucleus
31P, 1H
Magnetic_Field_Strength
1.5
Precession_Frequency
Receiver center frequency
63.502345
Series
Series_ID
Unique ID of the Series
1.2.840.xxxxx.3.152.235.2.12.187636473
Series_Number
Series Number assigned by scanner
Series_Date
Date of acquisition
08/22/1993 would represent August 22, 1993.
Series_Time
Time of acquisition
1. “070907.0705 ” represents a time of 7 hours, 9 minutes and 7.0705
seconds.
2. “1010” represents a time of 10 hours, and 10 minutes.
3. “021 ” is an invalid value.
Sequence_Name
t2mri-2se-20-120
Scanning_Sequence
Type of study
SE
Seq_Variant
SP
Acquisition_Type
encoding scheme identifier
2D
Series_Description
head T1 weighted MRI
Subject_Position
HFS
Spatial_Points_1
Number of points in 1st spatial dimension.
256
Spatial_Points_2
256
Spatial_Points_3
256
FOV_1
Field of View in mm
240.0
FOV_2
240.0
FOV_3
240.0
Spectral_width_1
Spectral width or sweep width
Spectral_width_2
Spectral_points_1
Number of points in spectral dimension
512
Spectral_points_2
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MidasName
Example
Base_Resolution
Readout_Over_Sampling
Frequency oversampling
1
Slice_Interval
Spacing between slices in mm.
1.0
Repetition_Time
TR in usec.
1500.000
Flip_Angle
Excitation angle in degrees
10.0
Inversion_Time
TI in usec.
165.000
TM
TM in usec.
25.000
Number_of_Averages
2
Scan_Options
Acquisition options, e.g. gating, ect.
FS
Synchronization_Trigger
NO TRIGGER
Images_In_Series
Number of images in this series
32
Transmit_Coil_Name
Body
Transmit_Coil_Type
SURFACE
Transmitter_Gain
25.1
Receiving_Coil_Name
Head
Receive_Coil_type
BODY
Receiver_Gain
66.0
Coverage_kSpace
SQUARE
Largest_Pixel_Value_In_Series
Maximum value of all images
8123
Smallest_Pixel_Value_In_Series
Minimum value of all images
728
Real_Dwell_Time
Selected_Vol_1
Selected_Vol_2
Selected_Vol_3
Size of selected volume in mm
Pixel_Spacing_1
pixel spacing in mm
0.89
Pixel_Spacing_2
0.80
Pixel_Spacing_3
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MidasName
Example
Header_Type
Header Type may be an Image or Spectroscopy
Selected_Vol_Position
X
Y
Z
Selected_Vol_Orientation
Xc
The following three parameters are coordinates of the
unit vector along the column direction
Yc
Zc
Xr
Orientation vector of selected volume, row and column
Yr
Zr
Dataset
Byte_Order
LittleEndian
Dataset_ID
File_Location
c:\data\ or http://midas.med.miami.edu/data/373842
Compression
NONE
Acquisition_Date
08/22/1993 would represent August 22, 1993.
Acquisition_Time
20030318073000.00000 which is 7:30am
Data_Type
MR image parameter type (Dicom usage)
T2 MAP
Data_Representation
Integer or Complex
Echo_Time
TE in usec
25.000
Echo_Center
Sample point corresponding to echo center
0
Prescans
Total_Duration
Acquisition_Matrix
192x256
Volume_Localization_Technique
PRESS
Transmitter_Frequency
Slice_Thickness
Slice thickness in mm
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3.0
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MidasName
Slab_Thickness
Example
32.000
Bits_Allocated
Bits_Stored
High_Bit
Spectral_Points_Acquired_1
spectral data points acquired
Spatial_Points_Acquired_1
acquisition size
Spatial_Points_Acquired_2
acquisition size
Spatial_Points_Acquired_3
acquisition size
Number_Of_Slices
Number of Slices in a dataset
Data
Image_Orientation_Xr
Image orientation vector
1
Image_Orientation_Yr
0
Image_Orientation_Zr
0
Image_Orientation_Xc
1
Image_Orientation_Yc
0
Image_Orientation_Zc
0
Chemical_Shift_Reference
PPM value at spectrum center point
4.70
First_Order_Phase_Correction
1st order phase correction in degrees over whole
spectrum
YES
Number_of_Frames
Number of frames in multiframe data.
6
Instance_Number
Number assigned to each data file.
1
File_Name
image001.dat
Byte_Offset
Offset in data file to start of the image, in bytes
1024
Mid_Slab_Position
Selected_Volume_Position_Orientation_1
Vector to selected volume
kspace_Filtering
FERMI
Zero_Order_Phase
Zero -order phase correction value in degrees
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MidasName
Example
First_Order_Phase_Pivot
Pivot point number for 1st order phase correction
Image_Position_X
Image position vector
84.12
Image_Position_Y
0
Image_Position_Z
0
Frame
Frame_ID
Frame_Type
Description of type of data in each frame
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NAA Integral
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