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Yolov3 error while training in MATLAB 2020a

3 次查看（过去 30 天）
Sanjeev Madhave
Sanjeev Madhave 2021-1-6
评论： Madhav Thakker 2021-2-9
Hi,
I was trying to train with yolov3. I tried with the example code and dataset. it works perfectly.
Then I tried with my own dataset(with only one class). am getting following error.
Invalid transform function defined on datastore.
The cause of the error was:
Error using imresize
Expected input number 1, A, to be nonempty.
Error in imresize>parsePreMethodArgs (line 389)
validateattributes(A, {'single', ...
Error in imresize>parseInputs (line 273)
parsePreMethodArgs(varargin, method_arg_idx, first_param_string_idx);
Error in imresize (line 152)
params = parseInputs(args{:});
Error in preprocessData (line 14)
I = im2single(imresize(I,targetSize(1:2)));
Error in yolov3_train_2020a>@(data)preprocessData(data,networkInputSize) (line 57)
preprocessedTrainingData = transform(augmentedTrainingData, @(data)preprocessData(data, networkInputSize));
Error in matlab.io.datastore.TransformedDatastore/applyTransforms (line 489)
data = ds.Transforms{ii}(data);
Error in matlab.io.datastore.TransformedDatastore/read (line 162)
[data, info] = ds.applyTransforms(data, info);
Error in yolov3_train_2020a (line 126)
data = read(preprocessedTrainingData);
What could be the reason for the above error. I can assure that I have formatted the image datastore and box label datastore correctly, because I was able to train yolov2 with the same data.
  1 个评论
Madhav Thakker
Madhav Thakker 2021-2-9
Hi Sanjeev,
Error using imresize
Expected input number 1, A, to be nonempty.
The error says that the input is empty. Can you confirm if the path of images are correct?

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