Questions tagged [1d-convolution]

For questions about the 1d convolution in convolutional neural networks.

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What does 'channel' mean in the case of an 1D convolution?

While reading about 1D-convolution in PyTorch, I encountered the concept of channels ...
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1answer
35 views

Keras 1D CNN always predicts the same result even if accuracy is high on training set

The validation accuracy of my 1D CNN is stuck on 0.5 and that's because I'm always getting the same prediction out of a balanced data set. At the same time my training accuracy keeps increasing and ...
1
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0answers
41 views

Why does the number of channels in the PointNet increase as we go deeper?

For example, in PointNet, you see the 1D convolutions with the following channels 64 -> 128 -> 1024. Why not e.g. ...
0
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1answer
89 views

Why would adding all the possible embeddings be “worse” than using 1D-convolutions?

Suppose we are using word2vec and have embeddings of individual words $w_1, \dots, w_{10}$. Let's say we wanted to analyze $2$ grams or $3$ grams. Why would adding all the possible embeddings, $\binom{...