sequence_detector¶
Submodules¶
dicom_parser.utils.sequence_detector.messages module¶
Strings and string formatting templates used in this module.
dicom_parser.utils.sequence_detector.sequence_detector module¶
Definition of the SequenceDetector
class.
-
class
dicom_parser.utils.sequence_detector.sequence_detector.
SequenceDetector
(sequences: dict = None)¶ Bases:
object
-
check_definition
(definition, values: dict) → bool¶ Checks whether the specified header information values satisfy the provided definition.
- Parameters
- Returns
Whether the given header information fits the definition.
- Return type
- Raises
TypeError – Encountered a definition of an invalid type.
-
detect
(modality: str, values: dict) → str¶ Tries to detect the imaging sequence according to the modality and provided header information.
-
get_known_modality_sequences
(modality: str) → dict¶ Returns a dictionary of imaging sequence definitions.
- Parameters
modality (str) – The modality for which to return imaging sequence defitions
- Returns
Imaging sequence definitions
- Return type
- Raises
NotImplementedError – The sequences dictionary does not include the provided modality
-
dicom_parser.utils.sequence_detector.sequences module¶
Known sequences defined by the expected (parsed) data element values from the header.
-
dicom_parser.utils.sequence_detector.sequences.
MR_SEQUENCES
= {'DTI': ({'ScanningSequence': {'Echo Planar', 'Spin Echo'}, 'SequenceVariant': {'None'}}, {'ScanningSequence': {'Echo Planar', 'Research Mode'}, 'SequenceVariant': {'None'}}), 'FLAIR': {'ScanningSequence': {'Inversion Recovery', 'Spin Echo'}, 'SequenceVariant': {'MAG Prepared', 'Segmented k-Space', 'Spoiled'}}, 'FSE': {'ScanningSequence': {'Spin Echo'}, 'SequenceVariant': {'Segmented k-Space'}}, 'FSPGR': {'ScanningSequence': {'Gradient Recalled'}, 'SequenceVariant': {'Segmented k-Space', 'Steady State'}}, 'IR-EPI': {'ScanningSequence': {'Echo Planar', 'Inversion Recovery'}, 'SequenceVariant': {'MAG Prepared', 'Oversampling Phase', 'Segmented k-Space', 'Spoiled'}}, 'Localizer': {'ScanningSequence': {'Gradient Recalled'}, 'SequenceVariant': {'Oversampling Phase', 'Spoiled'}}, 'MPRAGE': {'ScanningSequence': {'Gradient Recalled', 'Inversion Recovery'}, 'SequenceVariant': {'MAG Prepared', 'Segmented k-Space', 'Spoiled'}}, 'SPGR': {'ScanningSequence': {'Gradient Recalled'}, 'SequenceVariant': {'Segmented k-Space', 'Spoiled', 'Steady State'}}, 'ep2d': {'ScanningSequence': {'Echo Planar'}, 'SequenceVariant': {'Segmented k-Space', 'Spoiled'}}, 'fMRI': ({'ScanningSequence': {'Echo Planar'}, 'SequenceVariant': {'Steady State', 'Segmented k-Space'}}, {'ScanningSequence': {'Echo Planar', 'Gradient Recalled'}, 'SequenceVariant': {'Steady State'}})}¶ Sequences used in Magnetic Resonance (MR) imaging and their associated definitions.
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dicom_parser.utils.sequence_detector.sequences.
SEQUENCES
= {'Magnetic Resonance': {'DTI': ({'ScanningSequence': {'Echo Planar', 'Spin Echo'}, 'SequenceVariant': {'None'}}, {'ScanningSequence': {'Echo Planar', 'Research Mode'}, 'SequenceVariant': {'None'}}), 'FLAIR': {'ScanningSequence': {'Inversion Recovery', 'Spin Echo'}, 'SequenceVariant': {'MAG Prepared', 'Segmented k-Space', 'Spoiled'}}, 'FSE': {'ScanningSequence': {'Spin Echo'}, 'SequenceVariant': {'Segmented k-Space'}}, 'FSPGR': {'ScanningSequence': {'Gradient Recalled'}, 'SequenceVariant': {'Segmented k-Space', 'Steady State'}}, 'IR-EPI': {'ScanningSequence': {'Echo Planar', 'Inversion Recovery'}, 'SequenceVariant': {'MAG Prepared', 'Oversampling Phase', 'Segmented k-Space', 'Spoiled'}}, 'Localizer': {'ScanningSequence': {'Gradient Recalled'}, 'SequenceVariant': {'Oversampling Phase', 'Spoiled'}}, 'MPRAGE': {'ScanningSequence': {'Gradient Recalled', 'Inversion Recovery'}, 'SequenceVariant': {'MAG Prepared', 'Segmented k-Space', 'Spoiled'}}, 'SPGR': {'ScanningSequence': {'Gradient Recalled'}, 'SequenceVariant': {'Segmented k-Space', 'Spoiled', 'Steady State'}}, 'ep2d': {'ScanningSequence': {'Echo Planar'}, 'SequenceVariant': {'Segmented k-Space', 'Spoiled'}}, 'fMRI': ({'ScanningSequence': {'Echo Planar'}, 'SequenceVariant': {'Steady State', 'Segmented k-Space'}}, {'ScanningSequence': {'Echo Planar', 'Gradient Recalled'}, 'SequenceVariant': {'Steady State'}})}}¶ Known sequences by modality.