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Paper · 2210.01738 · 2022

ASIF: Coupled Data Turns Unimodal Models to Multimodal Without Training

arXiv · PDF · Open in the Atlas

Code that ran

We lifted 6 functions out of this paper's own repositories and ran 6 of them in a sandbox. "Ran" means the function executed on a synthesized input and returned a value. It is not a reproduction of the paper's results.

RepositoryRoleRan
noranta4/asif pwc_unofficial 6 of 6
FunctionStatusWhere it lives
embeddings_from_dl Ran noranta4/asif/relrepsutils.py
code served (permissive licence) · get_code("7c632bc5e17a2972")
load_images_in_dl Ran noranta4/asif/relrepsutils.py
code served (permissive licence) · get_code("4b3349d96f56b8d4")
normalize_sparse Ran noranta4/asif/relreps.py
code served (permissive licence) · get_code("0b5d2712751476be")
relative_represent Ran noranta4/asif/relreps.py
code served (permissive licence) · get_code("aed4e5490fc088dc")
sparsify Ran noranta4/asif/relreps.py
code served (permissive licence) · get_code("b2e3d82412c09f49")
transform_image Ran noranta4/asif/relrepsutils.py
code served (permissive licence) · get_code("9dc15dd5fec40d34")

Repositories linked to this paper

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Abstract

CLIP proved that aligning visual and language spaces is key to solving many vision tasks without explicit training, but required to train image and text encoders from scratch on a huge dataset. LiT improved this by only training the text encoder and using a pre-trained vision network. In this paper, we show that a common space can be created without any training at all, using single-domain encoders (trained with or without supervision) and a much smaller amount of image-text pairs. Furthermore, our model has unique properties. Most notably, deploying a new version with updated training samples can be done in a matter of seconds. Additionally, the representations in the common space are easily interpretable as every dimension corresponds to the similarity of the input to a unique image-text pair in the multimodal dataset. Experiments on standard zero-shot visual benchmarks demonstrate the typical transfer ability of image-text models. Overall, our method represents a simple yet surprisingly strong baseline for foundation multimodal models, raising important questions on their data efficiency and on the role of retrieval in machine learning.

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