I am using DICOM with Python and Pydicom library, when I have used .dcm files I hadn't problems. But I am using DICOMDIR data sets now.
My code is the next:
ds = dicom.read_file("dicomdir")
I tried to access to the pixel_array
elements as follows:
data = ds.pixel_array
And I get the next error: TypeError: No pixel data found in this dataset.
The output for print ds
is more or less the next:
(0004, 1130) File-set ID CS: 'GEMS_11_10_111' (0004, 1200) Offset of the First Directory Recor UL: 412 (0004, 1202) Offset of the Last Directory Record UL: 412 (0004, 1212) File-set Consistency Flag US: 0 (0004, 1220) Directory Record Sequence 7 item(s) ---- (0004, 1400) Offset of the Next Directory Record UL: 0 (0004, 1410) Record In-use Flag US: 65535 (0004, 1420) Offset of Referenced Lower-Level Di UL: 558 (0004, 1430) Directory Record Type CS: 'PATIENT' (0008, 0005) Specific Character Set CS: 'ISO_IR 100' (0010, 0010) Patient's Name PN: '------------------' (0010, 0020) Patient ID LO: '246992' (0010, 0030) Patient's Birth Date DA: '19630523' (0010, 0040) Patient's Sex CS: 'F'
(0004, 1400) Offset of the Next Directory Record UL: 0 (0004, 1410) Record In-use Flag US: 65535 (0004, 1420) Offset of Referenced Lower-Level Di UL: 800 (0004, 1430) Directory Record Type CS: 'STUDY' (0008, 0005) Specific Character Set CS: 'ISO_IR 100' (0008, 0020) Study Date DA: '20111011' (0008, 0030) Study Time TM: '151535.000000' (0008, 0050) Accession Number SH: '1009819901' (0008, 1030) Study Description LO: 'MG CONVENCIONAL' (0020, 000d) Study Instance UID UI: 1.2.840.113564.9.1.2005121220021252.20110608105548.21009819901 (0020, 0010) Study ID SH: '1009819901'
(0004, 1400) Offset of the Next Directory Record UL: 0 (0004, 1410) Record In-use Flag US: 65535 (0004, 1420) Offset of Referenced Lower-Level Di UL: 968 (0004, 1430) Directory Record Type CS: 'SERIES' (0008, 0005) Specific Character Set CS: 'ISO_IR 100' (0008, 0060) Modality CS: 'MG' (0008, 103e) Series Description LO: 'Screen Save' (0020, 000e) Series Instance UID UI: 1.2.840.113619.2.144.2347322947.2192645372.5 (0020, 0011) Series Number IS: '354'
(0004, 1400) Offset of the Next Directory Record UL: 1298 (0004, 1410) Record In-use Flag US: 65535 (0004, 1420) Offset of Referenced Lower-Level Di UL: 0 (0004, 1430) Directory Record Type CS: 'IMAGE' (0004, 1500) Referenced File ID CS: ['DICOM', 'PA1', 'ST1', 'SE1', 'IM1'] (0004, 1510) Referenced SOP Class UID in File UI: Secondary Capture Image Storage (0004, 1511) Referenced SOP Instance UID in File UI: 1.2.840.113619.2.144.44653394.14990.1318380911.86 (0004, 1512) Referenced Transfer Syntax UID in F UI: Explicit VR Little Endian (0008, 0005) Specific Character Set CS: 'ISO_IR 100' (0008, 0008) Image Type CS: 'DERIVED' (0008, 0023) Content Date DA: '20111011' (0008, 0033) Content Time TM: '151909.000000' (0020, 0013) Instance Number IS: '8844' (0028, 0010) Rows US: 2298 (0028, 0011) Columns US: 1980 (0028, 1052) Rescale Intercept DS: '0' (0028, 1053) Rescale Slope DS: '1'
The last part is repeated four times. I have 4 images in my DICOMDIR dataset.
Do you know how access to the field with the Numpy Array for each image?
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