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Save crops of inference in order of occurrence over the x-axis #5573

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Fritskee opened this issue Nov 8, 2021 · 3 comments
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Save crops of inference in order of occurrence over the x-axis #5573

Fritskee opened this issue Nov 8, 2021 · 3 comments
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question Further information is requested

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@Fritskee
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Fritskee commented Nov 8, 2021

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When using python detect.py --weights yolo5l.onnx --source <my_image.png> --save-crop I get a folder with the cropped objects perfectly.

However, the order of how the objects occur in the image (which is always over the x-axis) is of utmost important to me. What I noticed is that the naming of the files (and thus the order) are rather random order. Is there a way to have the filenames increment, depending on how the objects occur in the image?

As an example: the most left crop would be <file_name>_0.jpg and the most right crop would be <file_name>_09.jpg

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@Fritskee Fritskee added the question Further information is requested label Nov 8, 2021
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github-actions bot commented Nov 8, 2021

👋 Hello @Fritskee, thank you for your interest in YOLOv5 🚀! Please visit our ⭐️ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution.

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@glenn-jocher
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@Fritskee crops are ordered by confidence, but you can insert your own sorting logic on L384 here:

yolov5/models/common.py

Lines 384 to 389 in 79bca2b

for *box, conf, cls in reversed(pred): # xyxy, confidence, class
label = f'{self.names[int(cls)]} {conf:.2f}'
if crop:
file = save_dir / 'crops' / self.names[int(cls)] / self.files[i] if save else None
crops.append({'box': box, 'conf': conf, 'cls': cls, 'label': label,
'im': save_one_box(box, im, file=file, save=save)})

You can also return crops and handle them however you'd like:

crops = results.crop()

@Fritskee
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Fritskee commented Nov 8, 2021

@Fritskee crops are ordered by confidence, but you can insert your own sorting logic on L384 here:

yolov5/models/common.py

Lines 384 to 389 in 79bca2b

for *box, conf, cls in reversed(pred): # xyxy, confidence, class
label = f'{self.names[int(cls)]} {conf:.2f}'
if crop:
file = save_dir / 'crops' / self.names[int(cls)] / self.files[i] if save else None
crops.append({'box': box, 'conf': conf, 'cls': cls, 'label': label,
'im': save_one_box(box, im, file=file, save=save)})

You can also return crops and handle them however you'd like:

crops = results.crop()

That's amazing! Thanks so much for the help!!

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