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Frame of reference UID fix #2490

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merged 5 commits into from
Dec 2, 2024
Merged

Frame of reference UID fix #2490

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b023b18
Update AnonymizationServiceImpl.java
michaelkain Nov 7, 2024
86654ea
Merge branch 'develop' into frameOfReferenceUID-fix
LaurentPV Nov 18, 2024
224080c
code review comments
LaurentPV Nov 28, 2024
9e4dafc
Merge branch 'develop' into frameOfReferenceUID-fix
LaurentPV Nov 28, 2024
f94e0e1
log only when studyInstanceUID is reused or generated
LaurentPV Nov 29, 2024
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92 changes: 37 additions & 55 deletions ...ation/src/main/java/org/shanoir/anonymization/anonymization/AnonymizationServiceImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -66,14 +66,15 @@ public void anonymize(ArrayList<File> dicomFiles, String profile) throws Excepti
tagsToDeleteForManufacturer = AnonymizationRulesSingleton.getInstance().getTagsToDeleteForManufacturer();
// init here for multi-threading reasons
Map<String, String> seriesInstanceUIDs = new HashMap<>();
Map<String, String> frameOfReferenceUIDs = new HashMap<>();
Map<String, String> studyInstanceUIDs = new HashMap<>();
Map<String, String> studyIds = new HashMap<>();
LOG.debug("anonymize : totalAmount={}", totalAmount);
int current = 0;
for (int i = 0; i < dicomFiles.size(); ++i) {
final File file = dicomFiles.get(i);
// Perform the anonymization
performAnonymization(file, anonymizationMap, false, "", "", seriesInstanceUIDs, studyInstanceUIDs, studyIds);
performAnonymization(file, anonymizationMap, false, "", "", seriesInstanceUIDs, frameOfReferenceUIDs, studyInstanceUIDs, studyIds);
current++;
final int currentPercent = current * 100 / totalAmount;
LOG.debug("anonymize : anonymization current percent= {} %", currentPercent);
Expand All @@ -99,14 +100,15 @@ public void anonymizeForShanoir(ArrayList<File> dicomFiles, String profile, Stri

// init here for multi-threading reasons
Map<String, String> seriesInstanceUIDs = new HashMap<>();
Map<String, String> frameOfReferenceUIDs = new HashMap<>();
Map<String, String> studyInstanceUIDs = new HashMap<>();
Map<String, String> studyIds = new HashMap<>();
LOG.debug("anonymize : totalAmount={}", totalAmount);
int current = 0;
for (int i = 0; i < dicomFiles.size(); ++i) {
final File file = dicomFiles.get(i);
// Perform the anonymization
performAnonymization(file, anonymizationMap, true, patientName, patientID, seriesInstanceUIDs, studyInstanceUIDs, studyIds);
performAnonymization(file, anonymizationMap, true, patientName, patientID, seriesInstanceUIDs, frameOfReferenceUIDs, studyInstanceUIDs, studyIds);
current++;
final int currentPercent = current * 100 / totalAmount;
LOG.debug("anonymize : anonymization current percent= {} %", currentPercent);
Expand Down Expand Up @@ -156,7 +158,7 @@ private void anonymizePatientMetaData(Attributes attributes, String patientName,
* @throws Exception
*/
public void performAnonymization(final File dicomFile, Map<String, String> anonymizationMap, boolean isShanoirAnonymization,
String patientName, String patientID, Map<String, String> seriesInstanceUIDs,
String patientName, String patientID, Map<String, String> seriesInstanceUIDs, Map<String, String> frameOfReferenceUIDs,
Map<String, String> studyInstanceUIDs, Map<String, String> studyIds) throws Exception {
DicomInputStream din = null;
DicomOutputStream dos = null;
Expand Down Expand Up @@ -213,18 +215,17 @@ public void performAnonymization(final File dicomFile, Map<String, String> anony
anonymizeTag(tagInt, action, datasetAttributes);
// even: public tags
} else if (anonymizationMap.containsKey(tagString)) {
if (tagInt == Tag.SOPInstanceUID) {
anonymizeSOPInstanceUID(tagInt, datasetAttributes, mediaStorageSOPInstanceUIDGenerated);
} else if (tagInt == Tag.SeriesInstanceUID) {
anonymizeSeriesInstanceUID(tagInt, datasetAttributes, seriesInstanceUIDs);
} else if (tagInt == Tag.StudyInstanceUID) {
anonymizeStudyInstanceUID(tagInt, datasetAttributes, studyInstanceUIDs);
} else if (tagInt == Tag.StudyID) {
anonymizeStudyId(tagInt, datasetAttributes, studyIds);
} else {
final String action = anonymizationMap.get(tagString);
anonymizeTag(tagInt, action, datasetAttributes);
}
switch (tagInt) {
case Tag.SOPInstanceUID -> anonymizeSOPInstanceUID(tagInt, datasetAttributes, mediaStorageSOPInstanceUIDGenerated);
case Tag.SeriesInstanceUID -> anonymizeUID(tagInt, datasetAttributes, seriesInstanceUIDs);
case Tag.FrameOfReferenceUID -> anonymizeUID(tagInt, datasetAttributes, frameOfReferenceUIDs);
case Tag.StudyInstanceUID -> anonymizeUID(tagInt, datasetAttributes, studyInstanceUIDs);
case Tag.StudyID -> anonymizeStudyId(tagInt, datasetAttributes, studyIds);
default -> {
final String action = anonymizationMap.get(tagString);
anonymizeTag(tagInt, action, datasetAttributes);
}
}
} else {
if (0x50000000 <= tagInt && tagInt <= 0x50FFFFFF) {
final String action = anonymizationMap.get(CURVE_DATA_TAGS);
Expand Down Expand Up @@ -350,46 +351,6 @@ private void anonymizeSOPInstanceUID(int tagInt, Attributes attributes, String m
anonymizeTagAccordingToVR(attributes, tagInt, mediaStorageSOPInstanceUID);
}

private void anonymizeSeriesInstanceUID(int tagInt, Attributes attributes, Map<String, String> seriesInstanceUIDs) {
String value;
if (seriesInstanceUIDs != null && seriesInstanceUIDs.size() != 0
&& seriesInstanceUIDs.get(attributes.getString(tagInt)) != null) {
value = seriesInstanceUIDs.get(attributes.getString(tagInt));
} else {
UIDGeneration generator = new UIDGeneration();
String newUID = null;
try {
newUID = generator.getNewUID();
} catch (Exception e) {
LOG.error(e.getMessage());
}
value = newUID;
seriesInstanceUIDs.put(attributes.getString(tagInt), value);
}
anonymizeTagAccordingToVR(attributes, tagInt, value);
}

private void anonymizeStudyInstanceUID(int tagInt, Attributes attributes, Map<String, String> studyInstanceUIDs) {
String value;
if (studyInstanceUIDs != null && studyInstanceUIDs.size() != 0
&& studyInstanceUIDs.get(attributes.getString(tagInt)) != null) {
value = studyInstanceUIDs.get(attributes.getString(tagInt));
LOG.debug("Existing StudyInstanceUID reused: {}", value);
} else {
UIDGeneration generator = new UIDGeneration();
String newUID = null;
try {
newUID = generator.getNewUID();
} catch (Exception e) {
LOG.error(e.getMessage());
}
value = newUID;
LOG.info("New StudyInstanceUID generated for DICOM study/exam: {}", newUID);
studyInstanceUIDs.put(attributes.getString(tagInt), value);
}
anonymizeTagAccordingToVR(attributes, tagInt, value);
}

private void anonymizeStudyId(int tagInt, Attributes attributes, Map<String, String> studyIds) {
String value;
if (studyIds != null && studyIds.size() != 0 && studyIds.get(attributes.getString(tagInt)) != null) {
Expand Down Expand Up @@ -523,4 +484,25 @@ else if (vr.equals(VR.AE) || vr.equals(VR.AS) || vr.equals(VR.CS) || vr.equals(V
// VR.OD = Other Double String
}

private void anonymizeUID(int tagInt, Attributes attributes, Map<String, String> UIDs) {
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String value;
if (UIDs != null && UIDs.size() != 0
&& UIDs.get(attributes.getString(tagInt)) != null) {
value = UIDs.get(attributes.getString(tagInt));
LOG.debug("Existing DICOM metadata UID with tag {} reused: {}", tagInt, value);
} else {
UIDGeneration generator = new UIDGeneration();
String newUID = null;
try {
newUID = generator.getNewUID();
} catch (Exception e) {
LOG.error(e.getMessage());
}
value = newUID;
LOG.info("New DICOM metadata UID with tag {} generated for DICOM study/exam: {}", tagInt, newUID);
UIDs.put(attributes.getString(tagInt), value);
}
anonymizeTagAccordingToVR(attributes, tagInt, value);
}

}