[D] Need help finding an old Geoffrey Hinton video

Marking as \[D\] even though, it's not really that.

Something like 15 years ago, I saw a video on YouTube that was a Geoff Hinton lecture at the University of Toronto. In the video he was explaining classic Neural Network for MNIST digit recognition. At some point in the video, he talks about how one can run the inference in reverse, effectively making the network "Imagine" a digit. I can't seem to find this video anywhere. If I recall correctly, …

digit geoff geoff hinton hinton lecture machinelearning mnist network neural network recognition something toronto university university of toronto video youtube