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| # YOLOv5 🚀 by Ultralytics, GPL-3.0 license | |
| # Argoverse-HD dataset (ring-front-center camera) http://www.cs.cmu.edu/~mengtial/proj/streaming/ by Argo AI | |
| # Example usage: python train.py --data Argoverse.yaml | |
| # parent | |
| # ├── yolov5 | |
| # └── datasets | |
| # └── Argoverse ← downloads here | |
| # Train/val/test sets as 1) dir: path/to/imgs, 2) file: path/to/imgs.txt, or 3) list: [path/to/imgs1, path/to/imgs2, ..] | |
| path: ../datasets/Argoverse # dataset root dir | |
| train: Argoverse-1.1/images/train/ # train images (relative to 'path') 39384 images | |
| val: Argoverse-1.1/images/val/ # val images (relative to 'path') 15062 images | |
| test: Argoverse-1.1/images/test/ # test images (optional) https://eval.ai/web/challenges/challenge-page/800/overview | |
| # Classes | |
| nc: 8 # number of classes | |
| names: ['person', 'bicycle', 'car', 'motorcycle', 'bus', 'truck', 'traffic_light', 'stop_sign'] # class names | |
| # Download script/URL (optional) --------------------------------------------------------------------------------------- | |
| download: | | |
| import json | |
| from tqdm import tqdm | |
| from utils.general import download, Path | |
| def argoverse2yolo(set): | |
| labels = {} | |
| a = json.load(open(set, "rb")) | |
| for annot in tqdm(a['annotations'], desc=f"Converting {set} to YOLOv5 format..."): | |
| img_id = annot['image_id'] | |
| img_name = a['images'][img_id]['name'] | |
| img_label_name = img_name[:-3] + "txt" | |
| cls = annot['category_id'] # instance class id | |
| x_center, y_center, width, height = annot['bbox'] | |
| x_center = (x_center + width / 2) / 1920.0 # offset and scale | |
| y_center = (y_center + height / 2) / 1200.0 # offset and scale | |
| width /= 1920.0 # scale | |
| height /= 1200.0 # scale | |
| img_dir = set.parents[2] / 'Argoverse-1.1' / 'labels' / a['seq_dirs'][a['images'][annot['image_id']]['sid']] | |
| if not img_dir.exists(): | |
| img_dir.mkdir(parents=True, exist_ok=True) | |
| k = str(img_dir / img_label_name) | |
| if k not in labels: | |
| labels[k] = [] | |
| labels[k].append(f"{cls} {x_center} {y_center} {width} {height}\n") | |
| for k in labels: | |
| with open(k, "w") as f: | |
| f.writelines(labels[k]) | |
| # Download | |
| dir = Path('../datasets/Argoverse') # dataset root dir | |
| urls = ['https://argoverse-hd.s3.us-east-2.amazonaws.com/Argoverse-HD-Full.zip'] | |
| download(urls, dir=dir, delete=False) | |
| # Convert | |
| annotations_dir = 'Argoverse-HD/annotations/' | |
| (dir / 'Argoverse-1.1' / 'tracking').rename(dir / 'Argoverse-1.1' / 'images') # rename 'tracking' to 'images' | |
| for d in "train.json", "val.json": | |
| argoverse2yolo(dir / annotations_dir / d) # convert VisDrone annotations to YOLO labels | |