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import os | ||
import argparse | ||
import shutil | ||
from xml.etree import ElementTree as ET | ||
import cv2 | ||
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SUPPORTED_DATASET = ["VOC", "COCO"] | ||
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def get_args(): | ||
args = argparse.ArgumentParser() | ||
args.add_argument( | ||
"--data_type", | ||
type=str, | ||
default=SUPPORTED_DATASET[0], | ||
choices=SUPPORTED_DATASET, | ||
help=f"dataset type, support {SUPPORTED_DATASET}", | ||
) | ||
args.add_argument( | ||
"--raw_data_path", | ||
type=str, | ||
default="resource/shipdata", | ||
help="raw data path", | ||
) | ||
return args.parse_args() | ||
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def main(): | ||
args = get_args() | ||
data_type: str = args.data_type | ||
raw_data_path: str = args.raw_data_path | ||
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if data_type == "VOC": | ||
convert_func = convert_voc_to_yolov5 | ||
elif data_type == "COCO": | ||
convert_func = convert_coco_to_yolov5 | ||
else: | ||
raise ValueError(f"not supported dataset type: {data_type}") | ||
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output_path: str = f"{raw_data_path}-yolov5" | ||
convert_func(raw_data_path, output_path) | ||
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def _create_dir(dir_path: str): | ||
if os.path.exists(dir_path): | ||
shutil.rmtree(dir_path) | ||
os.makedirs(dir_path, exist_ok=True) | ||
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def convert_voc_to_yolov5(raw_data_path: str, output_path: str): | ||
rawimage_dir = os.path.join(raw_data_path, "JPEGImages") | ||
annotaion_dir = os.path.join(raw_data_path, "Annotations") | ||
image_dir = os.path.join(output_path, "images") | ||
label_dir = os.path.join(output_path, "labels") | ||
visual_dir = os.path.join(output_path, "visual") | ||
for dir in [output_path, image_dir, label_dir, visual_dir]: | ||
_create_dir(dir) | ||
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class_names = [] | ||
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train_list = [] | ||
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for class_name in os.listdir(annotaion_dir): | ||
class_dir = os.path.join(annotaion_dir, class_name) | ||
for annotaion_file_name in os.listdir(class_dir): | ||
if not annotaion_file_name.endswith(".xml"): | ||
continue | ||
annotaion_file = os.path.join(class_dir, annotaion_file_name) | ||
image_file = os.path.join( | ||
rawimage_dir, class_name, annotaion_file_name.replace(".xml", ".jpg") | ||
) | ||
if not os.path.exists(image_file): | ||
continue | ||
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with open(annotaion_file, "r") as f: | ||
xml_str = f.read() | ||
# xml_str = xml_str.replace("utf-8", "utf8") | ||
root = ET.fromstring(xml_str) | ||
# find width and height | ||
size = root.find("size") | ||
width = size.find("width").text | ||
height = size.find("height").text | ||
# find all objects | ||
object_list = [] | ||
for obj in root.iter("object"): | ||
name = obj.find("name").text | ||
bndbox = obj.find("bndbox") | ||
xmin = bndbox.find("xmin").text | ||
ymin = bndbox.find("ymin").text | ||
xmax = bndbox.find("xmax").text | ||
ymax = bndbox.find("ymax").text | ||
xmin = float(xmin) / float(width) | ||
ymin = float(ymin) / float(height) | ||
xmax = float(xmax) / float(width) | ||
ymax = float(ymax) / float(height) | ||
if name not in class_names: | ||
class_names.append(name) | ||
name_id = class_names.index(name) | ||
# [ classid, x_center, y_center, w, h ] | ||
x_center = (xmin + xmax) / 2 | ||
y_center = (ymin + ymax) / 2 | ||
w = xmax - xmin | ||
h = ymax - ymin | ||
object_list.append([name_id, x_center, y_center, w, h]) | ||
# write to txt file | ||
label_file = os.path.join( | ||
label_dir, annotaion_file_name.replace(".xml", ".txt") | ||
) | ||
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image_file_name = os.path.basename(image_file) | ||
image_file_link = os.path.join(image_dir, image_file_name) | ||
print(image_file, image_file_link) | ||
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if len(object_list) > 0: | ||
with open(label_file, "a") as f: | ||
for obj in object_list: | ||
f.write(f"{obj[0]} {obj[1]} {obj[2]} {obj[3]} {obj[4]}\n") | ||
train_list.append(image_file_link) | ||
# create soft link for image | ||
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shutil.copyfile(image_file, image_file_link) | ||
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if len(object_list) > 0: | ||
# visual bounding box | ||
visual_file = os.path.join( | ||
visual_dir, annotaion_file_name.replace(".xml", ".jpg") | ||
) | ||
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img = cv2.imread(image_file) | ||
for obj in object_list: | ||
x_center = int(obj[1] * float(width)) | ||
y_center = int(obj[2] * float(height)) | ||
w = int(obj[3] * float(width)) | ||
h = int(obj[4] * float(height)) | ||
xmin = int(x_center - w / 2) | ||
ymin = int(y_center - h / 2) | ||
xmax = int(x_center + w / 2) | ||
ymax = int(y_center + h / 2) | ||
cv2.rectangle(img, (xmin, ymin), (xmax, ymax), (0, 255, 0), 2) | ||
cv2.imwrite(visual_file, img) | ||
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with open(os.path.join(output_path, "train.txt"), "w") as f: | ||
for file in train_list: | ||
f.write(file + "\n") | ||
print(f"total {len(train_list)} images") | ||
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with open(os.path.join(output_path, "data.yaml"), "w") as f: | ||
# f.write(f"path: {output_path}\n") | ||
f.write(f"train: {output_path}/train.txt\n") | ||
f.write(f"val: {output_path}/train.txt\n") | ||
f.write("names: \n") | ||
for index, name in enumerate(class_names): | ||
f.write(f" {index}: {name}\n") | ||
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def convert_coco_to_yolov5(raw_data_path: str): | ||
pass | ||
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if __name__ == "__main__": | ||
main() |
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from utils.downloads import attempt_download | ||
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p5 = list('nsmlx') # P5 models | ||
p6 = [f'{x}6' for x in p5] # P6 models | ||
cls = [f'{x}-cls' for x in p5] # classification models | ||
seg = [f'{x}-seg' for x in p5] # classification models | ||
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for x in p5 + p6 + cls + seg: | ||
attempt_download(f'weights/yolov5{x}.pt') |
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python3 train.py \ | ||
--cfg models/yolov5s.yaml --weights weights/yolov5s.pt \ | ||
--data resource/shipdata-yolov5/data.yaml \ | ||
--batch-size 16 --epochs 100 \ | ||
--device 0 | ||
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# send from server | ||
scp -P $IP_N4090_SERVER_PORT -r zhr@$IP_ANTIS_PUBLIC_IP:~/project/yolov5 . | ||
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# send to server | ||
scp -P $IP_N3080_SERVER_PORT -r ../yolov5 zhr@$IP_ANTIS_PUBLIC_IP:~/project/yolov5 |