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AlexeyAB / Yolo_mark

GUI for marking bounded boxes of objects in images for training neural network Yolo v3 and v2
https://github.com/AlexeyAB/darknet
The Unlicense
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Cannot load image "" #132

Closed Arktius closed 5 years ago

Arktius commented 5 years ago

I also have the same problem as described here (https://github.com/pjreddie/darknet/issues/611 or https://github.com/AlexeyAB/Yolo_mark/issues/60), but couldn't fix it yet.

That's my folder structure:

darknet: ->data --->images ----->img0.png ----->img1.png ... up to 6 --->labels ----->img0.txt ... up to 6 --->obj.names (with 6 names) --->obj2.data: classes = 6 train = data/train.txt valid = data/test.txt names = data/obj.names backup = backup/ --->train.txt ----->absolute path to img0.png ... img6.png --->test.txt ----->absolute path to img7.png ... img8.png

When I change a name of an image in the train.txt file to a non-existing file(e.g. imgabc123.png), then I get the error 'cannot load image absolute path/imgabc123.png'. So I assume the folder images and the files train.txt, obj2.data are fine.

The label-files look like this:

class number + 4 parameters: 0 0.456 0.233 0.034 0.014 ...

The command in the terminal is the following:

./darknet detector train data/obj2.data data/yolov3-tiny2.cfg darknet54.conv.74

The output in the console:

Loading weigths ...Done! Learning rate:.... Resizing 480 Cannot load image "" STB Reason: can't fopen

Arktius commented 5 years ago

I could solve it. It was a space in train.txt. The last line should be the last image and not an empty line.