Allloginsbusy opened a new issue #10393: ImageRecordIOParser2 Assertion failed
URL: https://github.com/apache/incubator-mxnet/issues/10393
 
 
   I use python3 and try to get images by .rec file.
   I use ImageRecordIter. After 3000000 images I have got, I see OpenCV Error: 
Assertion failed . 
   Also I tried only go by iterator and do nothing, but saw the same error on 
same image.
   
   Here is part of my code.
   
   data_iter = mx.io.ImageRecordIter(
       path_imgrec=data_path, # the target record file
       data_shape=(3, 112, 112), # output data shape. An 227x227 region will be 
cropped from the original image.
       batch_size=BATCH_SIZE # number of samples per batch
   
       )
   data_iter.reset()
   for batch in data_iter:
           for i in range(BATCH_SIZE):
               img = 
Image.fromarray(batch.data[0][i].asnumpy().astype(np.uint8).transpose((1, 2, 
0)))
               img.save(path)
               
           
   
   Full Error message.
   [18:27:27] src/io/iter_image_recordio_2.cc:170: ImageRecordIOParser2: 
Data/faces_vgg_112x112/train.rec, use 1 threads for decoding..
   OpenCV Error: Assertion failed (!buf.empty() && buf.isContinuous()) in 
imdecode_, file 
/home/travis/build/dmlc/mxnet-distro/deps/opencv-3.3.0/modules/imgcodecs/src/loadsave.cpp,
 line 637
   terminate called after throwing an instance of 'cv::Exception'
     what():  
/home/travis/build/dmlc/mxnet-distro/deps/opencv-3.3.0/modules/imgcodecs/src/loadsave.cpp:637:
 error: (-215) !buf.empty() && buf.isContinuous() in function imdecode_
   
   

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