Update src/streamlit_app.py

src/streamlit_app.py

@@ -1,40 +1,30 @@
-import altair as alt
-import numpy as np
-import pandas as pd
 import streamlit as st
+from PIL import Image
+from transformers import BlipProcessor, BlipForConditionalGeneration
 
-"""
-# Welcome to Streamlit!
+# Load model + processor (BLIP for image captioning)
+@st.cache_resource
+def load_model():
+    processor = BlipProcessor.from_pretrained("Salesforce/blip-image-captioning-base")
+    model = BlipForConditionalGeneration.from_pretrained("Salesforce/blip-image-captioning-base")
+    return processor, model
 
-Edit `/streamlit_app.py` to customize this app to your heart's desire :heart:.
-If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community
-forums](https://discuss.streamlit.io).
+processor, model = load_model()
 
-In the meantime, below is an example of what you can do with just a few lines of code:
-"""
+st.title("🖼️ Image to Text (Caption Generator)")
+st.write("Upload an image and get a text caption generated by a Transformer model 🚀")
 
-num_points = st.slider("Number of points in spiral", 1, 10000, 1100)
-num_turns = st.slider("Number of turns in spiral", 1, 300, 31)
+# Upload image
+uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
 
-indices = np.linspace(0, 1, num_points)
-theta = 2 * np.pi * num_turns * indices
-radius = indices
+if uploaded_file is not None:
+    image = Image.open(uploaded_file).convert("RGB")
+    st.image(image, caption="Uploaded Image", use_column_width=True)
 
-x = radius * np.cos(theta)
-y = radius * np.sin(theta)
+    if st.button("Generate Caption"):
+        inputs = processor(image, return_tensors="pt")
+        out = model.generate(**inputs, max_new_tokens=30)
+        caption = processor.decode(out[0], skip_special_tokens=True)
 
-df = pd.DataFrame({
-    "x": x,
-    "y": y,
-    "idx": indices,
-    "rand": np.random.randn(num_points),
-})
-
-st.altair_chart(alt.Chart(df, height=700, width=700)
-    .mark_point(filled=True)
-    .encode(
-        x=alt.X("x", axis=None),
-        y=alt.Y("y", axis=None),
-        color=alt.Color("idx", legend=None, scale=alt.Scale()),
-        size=alt.Size("rand", legend=None, scale=alt.Scale(range=[1, 150])),
-    ))
+        st.subheader("📝 Generated Caption:")
+        st.success(caption)