帮我写一个cvat的cocokeypoints 关键点转yolov8pose txt数据集的脚本
时间: 2024-05-09 22:21:34 浏览: 17
很高兴为您服务!以下是转换 Coco keypoints 到 YOLOv8pose txt 数据集的 Python 代码:
```
import json
def convert_coco_to_yolov8pose(coco_file, output_file):
with open(coco_file, 'r') as f:
data = json.load(f)
images = data['images']
annotations = data['annotations']
keypoints = {}
for a in annotations:
image_id = a['image_id']
keypoints[image_id] = a['keypoints']
with open(output_file, 'w') as f:
for i in images:
image_id = i['id']
file_name = i['file_name']
width = i['width']
height = i['height']
if image_id in keypoints:
kps = keypoints[image_id]
kps = [int(k) for k in kps]
kps = [kps[i:i+3] for i in range(0, len(kps), 3)]
kps = [f'{k[0]/width} {k[1]/height} {k[2]}' for k in kps]
kps = ' '.join(kps)
f.write(f'{file_name} {kps}\n')
```
您可以将上述代码保存到一个 Python 文件中,然后运行以下命令来转换数据集:
```
python convert.py coco_file.json yolov8pose.txt
```
其中 `coco_file.json` 是 Coco keypoints 数据集的 JSON 文件,`yolov8pose.txt` 是转换后的 YOLOv8pose txt 数据集文件。
希望这可以帮助您!