Create app.py

app.py

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+import streamlit as st
+from PIL import Image, ImageFilter
+
+def main():
+    st.title("Custom Background Blur Demo")
+
+    # 1. Upload an image
+    uploaded_file = st.file_uploader("Upload an image", type=["jpg", "jpeg", "png"])
+
+    if uploaded_file is not None:
+        # 2. Open and display the original image
+        image = Image.open(uploaded_file).convert("RGB")
+        st.image(image, caption="Original Image", use_column_width=True)
+
+        # 3. Choose a blur type
+        blur_type = st.selectbox("Select a blur effect", ["Gaussian Blur", "Lens Blur"])
+
+        if blur_type == "Gaussian Blur":
+            # Slider to choose the radius
+            blur_radius = st.slider("Gaussian Blur Radius", 0, 30, 5)
+            # Apply Gaussian blur
+            blurred_image = image.filter(ImageFilter.GaussianBlur(blur_radius))
+            # Display result
+            st.image(blurred_image, caption=f"Gaussian Blur (radius={blur_radius})", use_column_width=True)
+
+        elif blur_type == "Lens Blur":
+            st.write("Lens blur effect demo (replace this with your own code).")
+            # Example: just do a stronger blur to mimic lens blur
+            # Replace with your depth-based lens blur or any advanced technique
+            lens_blur_radius = st.slider("Lens Blur Intensity", 0, 30, 10)
+            lens_blur_image = image.filter(ImageFilter.GaussianBlur(lens_blur_radius))
+            st.image(lens_blur_image, caption=f"Lens Blur (radius={lens_blur_radius})", use_column_width=True)
+
+if __name__ == "__main__":
+    main()