add script for labelling geo images using sam and saving results npz …

…format

geo_seg_image_sam.py

@@ -0,0 +1,54 @@
+# Copyright (c) 2023, Sofia Vivdich and Anastasiia Kornilova
+#
+# 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
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+
+import cv2
+import numpy as np
+
+from segment_anything import sam_model_registry, SamAutomaticMaskGenerator
+
+from src.constants import CHECKPOINT_PATH
+from src.constants import DEVICE
+from src.constants import MODEL_TYPE
+
+
+def get_array_instances_by_image_sam(cam_image):
+    sam = sam_model_registry[MODEL_TYPE](checkpoint=CHECKPOINT_PATH).to(device=DEVICE)
+
+    mask_generator = SamAutomaticMaskGenerator(sam)
+
+    return mask_generator.generate(cam_image)
+
+
+def main():
+    n = 43
+
+    for i in range(n):
+        file_name_read = ''
+        file_name_write = ''
+
+        if (i <= 9):
+            file_name_read = 'images_cams/images/0000000{}.jpg'.format(i)
+            file_name_write = 'geo-seg/vfm-labels/sam/0000000{}.npz'.format(i)
+        else:
+            file_name_read = 'images_cams/images/000000{}.jpg'.format(i)
+            file_name_write = 'geo-seg/vfm-labels/sam/000000{}.npz'.format(i)
+
+        instances_array = get_array_instances_by_image_sam(cv2.imread(file_name_read))
+
+        np.savez_compressed(file_name_write, masks=instances_array)
+        print("Finish i={}".format(i))
+
+
+if __name__ == "__main__":
+    main()