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John-Henry Lim Interpause
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/ slot_attention.py
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April 1, 2023 06:35
PyTorch Slot Attention: Use efficient attention impl, dynamic number of slots, & can pass forward past slots.
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| """Slot Attention implementation in PyTorch based on official TensorFlow implementation. | |
| Some modifications were made, namely: | |
| - Can pass forward previous slots to the next time step. | |
| - Dynamic number of slots between calls. | |
| - Uses `F.scaled_dot_product_attention` for more performance. | |
| """ | |
| from typing import Tuple |
This function returns the nearest aspect ratio of a width and height within a limited range of possible aspect ratios.
In other words, while 649x360 technically has an aspect ratio of 649:360, it’s often useful to know that the nearest normal aspect ratio is actually 9:5 (648x360).
nearestNormalAspectRatio(width, height, [side], [maxWidth], [maxHeight])