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What's interesting to me is that the angle that the generated images are taken from are all at a human's head height or lower. That might seem obvious but it hides the fact that the AI can only copy and merge from it's source images. Is it capable of coming up with a new perspective on it's own?

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Yes: https://www.matthewtancik.com/nerf

https://captures.lumalabs.ai/unbounded

That might be one first step on the road to solving the problem parent is asking about, but in the case of Nerf, the views (both input and output) are being created by people, not the AI. The nerf AI is being used to create a single 3d scene representation that could be rendered from multiple views, while the DALLE AI is trained to generate 2d images by being trained on a huge corpus of images & text; they are two very different setups.

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