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Update HUBDatasetStats() usage examples #9842

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Oct 18, 2022
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Update HUBDatasetStats() usage examples #9842

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13 changes: 9 additions & 4 deletions utils/dataloaders.py
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Expand Up @@ -1005,13 +1005,18 @@ def verify_image_label(args):


class HUBDatasetStats():
""" Return dataset statistics dictionary with images and instances counts per split per class
To run in parent directory: export PYTHONPATH="$PWD/yolov5"
Usage1: from utils.dataloaders import *; HUBDatasetStats('coco128.yaml', autodownload=True)
Usage2: from utils.dataloaders import *; HUBDatasetStats('path/to/coco128_with_yaml.zip')
""" Class for generating HUB dataset JSON and `-hub` dataset directory

Arguments
path: Path to data.yaml or data.zip (with data.yaml inside data.zip)
autodownload: Attempt to download dataset if not found locally

Usage
from utils.dataloaders import HUBDatasetStats
stats = HUBDatasetStats('coco128.yaml', autodownload=True) # usage 1
stats = HUBDatasetStats('path/to/coco128.zip') # usage 2
stats.get_json(save=False)
stats.process_images()
"""

def __init__(self, path='coco128.yaml', autodownload=False):
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