Comments (4)
Example of YOLOv4-large:
- Follow Training YOLO on VOC to prepare VOC data.
- Follow coco.data to create voc.data.
- add argument
--data data/voc.data
when training.
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@WongKinYiu @infinite013
Now I can confirm @WongKinYiu are wrong.
The YOLO format is not same as before(it also mean is not the same as yolov4 )
(Yolo-CSP copy the code of YOLOv5 of the https://github.com/ultralytics/yolov5.and it is the author of yolov3. It's has the different dataset format :)
now:
Each row is class x_center y_center width height format.
The https://pjreddie.com/darknet/yolo/ make the VOC dataset with:
<object-class> <x> <y> <width> <height>
Although it can train and no error.
But it is wrong as i show at #205
x_center y_center width height
format. is a relavtive coordinate.
<x> <y> <width> <height>
is the absolute coordinate.
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no, the https://pjreddie.com/darknet/yolo/ make the VOC dataset with relative coordinate.
https://github.com/AlexeyAB/darknet/blob/master/scripts/voc_label.py#L12-L23
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@WongKinYiu
The https://pjreddie.com/darknet/yolo/ make the VOC dataset with relative coordinate. It does.
But when the image is flipped, the angle is changed, and various mosaic enhancements are performed, the values of x and y do not seem to change correctly. Just like the train_batch0 picture shows.
I'm wrong.I think this is a kind of mosaic enhancements.I trained 300 and get good detections.
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Related Issues (20)
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