Episode #2: DALL-E and friends in image generation

Andrej Karpathy and Justin Johnson deep dive into OpenAI's DALL-E and use it as an anchor point to recurse into some of the recent work in AI on image generation. Approximate agenda: DALL-E Blog Post: https://openai.com/blog/dall-e/ ImageGPT https://openai.com/blog/image-gpt/ VQ-VAE https://arxiv.org/abs/1711.00937 VQ-VAE-2 https://arxiv.org/abs/1906.00446 Gumbel-Softmax / Concrete Distribution https://arxiv.org/abs/1611.01144 https://arxiv.org/abs/1611.00712 VQGAN https://arxiv.org/abs/2012.09841 Andrej's attempted re-implementation of VQVAE and GumbelSoftmax: https://github.com/karpathy/deep-vector-quantization/blob/main/model.py You can see a video version of this episode on YouTube: https://www.youtube.com/watch?v=gMc90bqHMSM We reached out to all speakers and obtained their written consent to appear in this recording.

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