فقط چه اتفاقی می افتد در داخل یک شبکه عصبی Convolutional؟ دکتر مایک پوند تصاویر بین ورودی و نتیجه را به ما نشان می دهد.

نحوه عملکرد تیرها و فیلترها (Convolutions هسته):
سرقت کوکی:
Rob Miles on Game Play AI:
مرور وب ایمن:
یادگیری عمیق:

این فیلم توسط شان رایلی فیلمبرداری و ویرایش شده است.

علوم کامپیوتر در دانشگاه ناتینگهام:

Computerphile یک پروژه خواهر با شماره Number Brady Haran است. بیشتر در

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41 پاسخ به “در داخل شبکه عصبی – Computerphile”

  1. Very cool!
    @5:24 Grayscale is quite a few bits deep, 1-bit depth would be Black & White ( which is not the case in your images, looks like you have at least 16-bit images – if not 256-bit standard grayscale – )

  2. I realize this isn't likely to get a reply this late, but I'm trying to replicate the configuration of this network. What activation function are you using for the first fully connected layer? Is it dotplus with a renormalization? I'm assuming FC2 is a softmax layer, so maybe they are both softmax.

  3. How to you replicate the learned connections to other systems? How is the "knowledge" abstracted for transport, backup, and further improvements?

    With discrete programming, the instructions are compact and finite and are easily copied.

  4. May be I didn't get the idea, but why there is 10, and not 11 classes for numbers?
    Because if I will give an image of "A" to this network, it will probably say to me "this is 1" or "this is 4" instead of giving the negative answer like "its neither of 10 numbers".

  5. Can someone explain how the final convolutional layer is 4x4x50? My understanding based on the previous Neural Network video is that the first convolution will produce an output of 24x24x20, but then wouldn't the next convolution, which has 20 kernels, produce 20 images of the first image layer of the 20 produced from the first convolution, and then another 20 on the second image layer of the 20 produced from the first convolution, such that at the end of the second layer you'd have a 20x20x400 output, and so forth until at the end you'd have 4x4x(some large number) not 4x4x50?

  6. Why are we shrinking the images by ignoring edges? Can't we just deal with the edges without centering into the image? It just seems like an arbitrary limitation, maybe what's most significant about a "2" is around the edges!

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