XintongHe commited on
Commit
ae01135
1 Parent(s): 8baeea4

Update Populus_Stomatal_Images_Datasets.py

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Files changed (1) hide show
  1. Populus_Stomatal_Images_Datasets.py +58 -67
Populus_Stomatal_Images_Datasets.py CHANGED
@@ -131,71 +131,62 @@ class NewDataset(datasets.GeneratorBasedBuilder):
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  },
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  )]
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-
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- def save_metadata_as_json(image_id, annotations, species, scientific_name, json_path):
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- metadata = {
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- "image_id": image_id,
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- "species": species,
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- "scientific_name": scientific_name,
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- "annotations": annotations
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- }
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- with open(json_path, 'w') as json_file:
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- json.dump(metadata, json_file)
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-
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- def _parse_yolo_labels(self, label_path, width, height):
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- annotations = []
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- with open(label_path, 'r') as file:
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- yolo_data = file.readlines()
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-
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- for line in yolo_data:
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- class_id, x_center_rel, y_center_rel, width_rel, height_rel = map(float, line.split())
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- x_min = (x_center_rel - width_rel / 2) * width
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- y_min = (y_center_rel - height_rel / 2) * height
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- x_max = (x_center_rel + width_rel / 2) * width
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- y_max = (y_center_rel + height_rel / 2) * height
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- annotations.append({
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- "category_id": int(class_id),
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- "bounding_box": {
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- "x_min": x_min,
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- "y_min": y_min,
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- "x_max": x_max,
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- "y_max": y_max
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- }
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- })
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- return annotations
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-
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- def _generate_examples(self, filepaths, species_info, data_dir, split):
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- """Yields examples as (key, example) tuples."""
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- for file_name in filepaths:
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- image_id = os.path.splitext(file_name)[0] # Extract the base name without the file extension
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- image_path = os.path.join(data_dir, f"{image_id}.jpg")
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- label_path = os.path.join(data_dir, f"{image_id}.txt")
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-
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- # Find the corresponding row in the CSV for the current image
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- species_row = species_info.loc[species_info['FileName'] == image_id]
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- if not species_row.empty:
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- species = species_row['Species'].values[0]
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- scientific_name = species_row['ScientificName'].values[0]
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- width = species_row['Width'].values[0]
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- height = species_row['Height'].values[0]
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- else:
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- # Default values if not found
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- species = None
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- scientific_name = None
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- width = 1024 # or some default value
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- height = 768 # or some default value
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-
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- with Image.open(image_path) as img:
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- pics_array = np.array(img) # Convert the PIL image to a numpy array
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- annotations = self._parse_yolo_labels(label_path, width, height)
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-
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- yield image_id, {
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- "image_id": image_id,
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- "species": species,
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- "scientific_name": scientific_name,
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- "pics_array": pics_array,
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- "image_resolution": {"width": width, "height": height},
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- "annotations": annotations,
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- "image": img # Return the PIL image
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- }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  },
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  )]
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+ def _parse_yolo_labels(self, label_path, width, height):
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+ annotations = []
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+ with open(label_path, 'r') as file:
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+ yolo_data = file.readlines()
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+
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+ for line in yolo_data:
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+ class_id, x_center_rel, y_center_rel, width_rel, height_rel = map(float, line.split())
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+ x_min = (x_center_rel - width_rel / 2) * width
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+ y_min = (y_center_rel - height_rel / 2) * height
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+ x_max = (x_center_rel + width_rel / 2) * width
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+ y_max = (y_center_rel + height_rel / 2) * height
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+ annotations.append({
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+ "category_id": int(class_id),
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+ "bounding_box": {
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+ "x_min": x_min,
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+ "y_min": y_min,
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+ "x_max": x_max,
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+ "y_max": y_max
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+ }
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+ })
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+ return annotations
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+
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+ def _generate_examples(self, filepaths, species_info, data_dir, split):
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+ """Yields examples as (key, example) tuples."""
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+ for file_name in filepaths:
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+ image_id = os.path.splitext(file_name)[0] # Extract the base name without the file extension
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+ image_path = os.path.join(data_dir, f"{image_id}.jpg")
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+ label_path = os.path.join(data_dir, f"{image_id}.txt")
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+
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+ # Find the corresponding row in the CSV for the current image
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+ species_row = species_info.loc[species_info['FileName'] == image_id]
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+ if not species_row.empty:
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+ species = species_row['Species'].values[0]
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+ scientific_name = species_row['ScientificName'].values[0]
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+ width = species_row['Width'].values[0]
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+ height = species_row['Height'].values[0]
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+ else:
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+ # Default values if not found
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+ species = None
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+ scientific_name = None
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+ width = 1024 # Default value
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+ height = 768 # Default value
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+
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+ pics_array = None
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+ with Image.open(image_path) as img:
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+ pics_array = np.array(img).tolist() # Convert the PIL image to a numpy array and then to a list
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+
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+ annotations = self._parse_yolo_labels(label_path, width, height)
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+
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+ # Yield the dataset example
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+ yield image_id, {
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+ "image_id": image_id,
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+ "species": species,
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+ "scientific_name": scientific_name,
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+ "pics_array": pics_array, # Should be a list for JSON serializability
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+ "image_resolution": {"width": width, "height": height},
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+ "annotations": annotations
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+ }