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[P] What could cause this behavior?

Hi,

I’m making an LSTM that takes a list of same-size vectors as input. These vectors are encodings of frames in a video, and I want the LSTM to output an encoding of the entire video. To get this encoding, I am just taking the last hidden state and feeding it through a linear layer.

My issue is the hidden state seems to be converging on some fixed vector after a couple of time steps. It seems like the LSTM is forgetting previous states and entering a loop. What could cause this behavior? Is there a nice way to fix this?

Thanks

submitted by /u/jsonathan
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.