Update README.md

README.md

@@ -2,8 +2,70 @@
 tags:
 - pytorch_model_hub_mixin
 - model_hub_mixin
+license: mit
+datasets:
+- mlfoundations/datacomp_1b
 ---
 
-This model has been pushed to the Hub using ****:
-- Repo: [More Information Needed]
-- Docs: [More Information Needed]
+## Official implementation of pre-trained ViT-B/16 ProLIP on DataComp 1B
+
+- This weight is a pre-trained ViT-B/16
+- Pre-training dataset
+    - DataComp 1B / Seen samples 12.8B
+
+### Overview
+- Paper: https://arxiv.org/abs/2410.18857
+- GitHub: https://github.com/naver-ai/prolip
+- More models are available at https://huggingface.co/collections/SanghyukChun/prolip-6712595dfc87fd8597350291
+
+### Performance overview
+- Zero-shot ImageNet-1k top-1 accuracy: 74.6%
+- Zero-shot ImageNet distribution shifts: 63.0%
+- Zero-shot VTAB performance: 63.7%
+- Zero-shot retrieval performance: 59.6%
+- Average zero-shot performance on 38 tasks: 63.3%
+
+```python
+import requests
+from PIL import Image
+
+import torch
+from prolip.model import ProLIPHF
+from transformers import CLIPProcessor
+from prolip.tokenizer import HFTokenizer
+
+import warnings
+warnings.simplefilter(action='ignore', category=FutureWarning)
+
+processor = CLIPProcessor.from_pretrained("openai/clip-vit-base-patch16")
+model = ProLIPHF.from_pretrained("SanghyukChun/ProLIP-ViT-B-16-DC-1B-12_8M")
+tokenizer = HFTokenizer("timm/ViT-B-16-SigLIP", context_length=64, clean="canonicalize")
+
+url = "http://images.cocodataset.org/val2017/000000039769.jpg"
+image = Image.open(requests.get(url, stream=True).raw)
+inputs = processor(images=image, return_tensors="pt", padding=True)
+texts = ["A couple of cats laying on top of a pink blanket.", "A man walks through a flooded road during a rainstorm", "photo"]
+texts = tokenizer(texts)
+
+outputs = model(image=inputs["pixel_values"], text=texts)
+
+l2_logit = outputs["image_features"]["mean"] @ outputs["text_features"]["mean"].T
+i_unc = torch.exp(outputs["image_features"]["std"]).sum(dim=-1)
+t_unc = torch.exp(outputs["text_features"]["std"]).sum(dim=-1)
+csd_logit = l2_logit - 0.5 * t_unc
+csd_logit2 = l2_logit.T - 0.5 * i_unc
+print("Mean-only image-to-text logits (by L2 distance):", l2_logit)
+print("Uncertainty-aware image-to-text logits (by CSD):", csd_logit)
+print("Uncertainty-aware text-to-image logits (by CSD):", csd_logit2.T)
+print("Image uncertainty: ", i_unc)
+print("Text uncertainty: ", t_unc)
+```
+
+```
+@article{chun2024prolip,
+  title={Probabilistic Language-Image Pre-Training},
+  author={Chun, Sanghyuk and Kim, Wonjae and Park, Song and Yun, Sangdoo},
+  journal={arXiv preprint arXiv:2410.18857},
+  year={2024}
+}
+```