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tags/v1.0.0
Alexey Mikhailyuk 3 years ago
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1 changed files with 0 additions and 14 deletions
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      COCO2YOLO.py

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COCO2YOLO.py View File

@@ -7,27 +7,14 @@ parser.add_argument('-o', help='path to output folder', dest='out',required=True
args = parser.parse_args()
# train
json_file = args.json
output = args.out
# val
# json_file = "/home/user/datasets/coco/annotations/instances_val2017.json"
# output = "/home/user/datasets/coco/labels/val2017/"
"""
将COCO instance数据集转为YOLO格式
"""
class COCO2YOLO:
def __init__(self):
self._check_file_and_dir(json_file, output)
self.labels = json.load(open(json_file, 'r', encoding='utf-8'))
self.coco_id_name_map = self._categories()
self.coco_name_list = list(self.coco_id_name_map.values())
# print(self.labels['images'][0])
# print(self.labels['categories'][0])
# print(self.labels['annotations'][0])
print("total images", len(self.labels['images']))
print("total categories", len(self.labels['categories']))
print("total labels", len(self.labels['annotations']))
@@ -56,7 +43,6 @@ class COCO2YOLO:
return images_info
def _bbox_2_yolo(self, bbox, img_w, img_h):
# bbox矩形框, 左上角坐标 , 宽, 高
x, y, w, h = bbox[0], bbox[1], bbox[2], bbox[3]
centerx = bbox[0] + w / 2
centery = bbox[1] + h / 2

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