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error happens when use this tool

See original GitHub issue

I don’t know if calibration image data format is not correct.

Quantize the Activation:
/usr/local/lib/python3.5/dist-packages/skimage/io/ UserWarning: `as_grey` has been deprecated in favor of `as_gray`
  warn('`as_grey` has been deprecated in favor of `as_gray`')
Traceback (most recent call last):
  File "", line 468, in <module>
  File "", line 457, in main
    activation_quantize(net, transformer, images_files)
  File "", line 350, in activation_quantize
    net_forward(net, image, transformer)
  File "", line 220, in net_forward
    image =
  File "/home/jim/caffe/python/caffe/", line 296, in load_image
    img = skimage.img_as_float(, as_grey=not color)).astype(np.float32)
  File "/usr/local/lib/python3.5/dist-packages/skimage/io/", line 62, in imread
    img = call_plugin('imread', fname, plugin=plugin, **plugin_args)
  File "/usr/local/lib/python3.5/dist-packages/skimage/io/", line 214, in call_plugin
    return func(*args, **kwargs)
  File "/usr/local/lib/python3.5/dist-packages/skimage/io/_plugins/", line 36, in imread
    im =
  File "/usr/lib/python3/dist-packages/PIL/", line 2295, in open
    % (filename if filename else fp))
OSError: cannot identify image file <_io.BufferedReader name='/home/jim/data/VOCdevkit/VOC0712/lmdb/VOC0712_trainval_lmdb/lock.mdb'>

Issue Analytics

  • State:closed
  • Created 5 years ago
  • Comments:5 (2 by maintainers)

github_iconTop GitHub Comments

jimchen2018commented, Jul 20, 2018

Ok. I see. Thanks a lot!

BUG1989commented, Jul 20, 2018

This tool is just statistics the distribution of activations.

Read more comments on GitHub >

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