refactor(image-sets-normalization): revamp data structures

packages/dicom/gdcm/DICOMTagReader.h

@@ -503,7 +503,7 @@ namespace itk
     {
     public:
         using MetaDictType = itk::MetaDataDictionary;
-        using TagMapType = std::map<std::string, std::string>;
+        using TagMapType = std::unordered_map<std::string, std::string>;
 
         DICOMTagReader()
             : m_dirtyCache(true)

packages/dicom/gdcm/Tags.h

@@ -0,0 +1,68 @@
+/*=========================================================================
+ *
+ *  Copyright NumFOCUS
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *         https://www.apache.org/licenses/LICENSE-2.0.txt
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *=========================================================================*/
+#ifndef TAGS_H
+#define TAGS_H
+
+#include <string>
+#include <unordered_set>
+
+using Tags = std::unordered_set<std::string>;
+
+const Tags PATIENT_TAGS = {
+    "0010|0010", // Patient's Name
+    "0010|0020", // Patient ID
+    "0010|0030", // Patient's Birth Date
+    "0010|0040", // Patient's Sex
+    "0010|1010", // Patient's Age
+    "0010|1030", // Patient's Weight
+    "0010|21b0", // Additional Patient's History
+};
+
+const Tags STUDY_TAGS = {
+    "0020|000D", // Study Instance UID
+    "0008|0020", // Study Date
+    "0008|0030", // Study Time
+    "0008|1030", // Study Description
+    "0008|0050", // Accession Number
+};
+
+const Tags SERIES_TAGS = {
+    "0020|000e", // Series Instance UID
+    "0008|103e", // Series Description
+    "0008|0060", // Modality
+};
+
+const Tags NON_INSTANCE_TAGS = {
+    "0010|0010", // Patient's Name
+    "0010|0020", // Patient ID
+    "0010|0030", // Patient's Birth Date
+    "0010|0040", // Patient's Sex
+    "0010|1010", // Patient's Age
+    "0010|1030", // Patient's Weight
+    "0010|21b0", // Additional Patient's History
+    "0020|000D", // Study Instance UID
+    "0008|0020", // Study Date
+    "0008|0030", // Study Time
+    "0008|1030", // Study Description
+    "0008|0050", // Accession Number
+    "0020|000e", // Series Instance UID
+    "0008|103e", // Series Description
+    "0008|0060", // Modality
+};
+
+#endif // TAGS_H