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import streamlit as st
import pandas as pd
from plip_support import embed_text
import numpy as np
from PIL import Image
import requests
from io import BytesIO
import streamlit as st
import clip
import torch
from transformers import (
VisionTextDualEncoderModel,
AutoFeatureExtractor,
AutoTokenizer
)
from transformers import AutoProcessor
def embed_texts(model, texts, processor):
inputs = processor(text=texts, padding="longest")
input_ids = torch.tensor(inputs["input_ids"])
attention_mask = torch.tensor(inputs["attention_mask"])
with torch.no_grad():
embeddings = model.get_text_features(
input_ids=input_ids, attention_mask=attention_mask
)
return embeddings
@st.cache_resource
def load_embeddings(embeddings_path):
print("loading embeddings")
return np.load(embeddings_path)
@st.cache_resource
def load_path_clip():
model = VisionTextDualEncoderModel.from_pretrained("clip-italian/clip-italian")
processor = AutoProcessor.from_pretrained("clip-italian/clip-italian")
return model, processor
st.title('PLIP Image Search')
plip_dataset = pd.read_csv("tweet_eval_retrieval.tsv", sep="\t")
model, processor = load_path_clip()
image_embedding = load_embeddings("tweet_eval_embeddings.npy")
query = st.text_input('Search Query', '')
if query:
text_embedding = embed_texts(model, [query], processor)[0].detach().cpu().numpy()
text_embedding = text_embedding/np.linalg.norm(text_embedding)
best_id = np.argmax(text_embedding.dot(image_embedding.T))
url = (plip_dataset.iloc[best_id]["imageURL"])
response = requests.get(url)
img = Image.open(BytesIO(response.content))
st.image(img)
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