add video tutorial and frontpage update

.gitattributes

@@ -34,3 +34,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 .pth filter=lfs diff=lfs merge=lfs -text
+*.mp4 filter=lfs diff=lfs merge=lfs -text

app.py

@@ -222,10 +222,29 @@ for name in SLIDERS:
         st.session_state[f"slider_{name}"] = 0
 
 # Set up the Streamlit app
-st.title("Photo Enhancement App")
+
+uploaded_file = None
 
 # File uploader in the main area
-uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png",".tif"], on_change=reset_on_upload)
+
+_, center_col,_ = st.columns([1, 2, 1])
+if uploaded_file is None:
+    with center_col:
+        st.title("Welcome to the AI Photo Enhancement App")
+        st.write("This application uses Reinforcement Learning to enhance your photos with ease and flexibility. Below, you'll find a short tutorial video on how to use the app.")
+        uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png",".tif"], on_change=reset_on_upload)
+        st.video("demo.mp4",muted =True)  # Replace with your video path
+        st.subheader("How to Use the App:")
+        st.markdown("""
+        1. **Upload your image** to get started.
+        2. Proceed to the **editing phase**, where you can:
+        - View the color histograms and adjust sliders for various tonal values.
+        - Use the **Auto Enhance** button to let the agent automatically enhance your image.
+        - Use the **Auto Random Enhance** button to receive different suggested editing parameters each time.
+        - **Manually refine** your image by adjusting slider values and clicking the **Apply Edits** button at the bottom of the sidebar.
+        """)
+
+        st.write("Feel free to explore and enhance your images effortlessly!")
 
 if uploaded_file is not None:
     # Load the original image

demo.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1c5ea5b9f03b7f239a84cebd85cc53001ee8b76c8fd0486adc086ae33294c720
+size 5763978