Update app.py

app.py

@@ -68,6 +68,7 @@ st.title("CLL Explorer - Malaria Cell Detection")
 
 st.markdown("""
 ### About This Application
+This tool assists researchers in analyzing microscope images of any cell type. Or something else entirely.
 - **Upload** microscope images.
 - **Adjust** image view with zoom and enhancement controls.
 - **Detect** and measure cells automatically.
@@ -85,35 +86,40 @@ if uploaded_files:
     img_data = uploaded_files[img_index].read()
     img = Image.open(io.BytesIO(img_data)).resize((500, 500))
 
-    # Display Processed Image first
+    # Sidebar for Image Controls
+    with st.sidebar:
+        st.header("Image Controls")
+        x = st.slider("X Coordinate", 0, 500, 250)
+        y = st.slider("Y Coordinate", 0, 500, 250)
+        zoom = st.slider("Zoom", 1, 10, 5)
+
+        with st.expander("Enhancement Settings", expanded=True):
+            contrast = st.slider("Contrast", 0.0, 5.0, 1.0)
+            brightness = st.slider("Brightness", 0.0, 5.0, 1.0)
+            sharpness = st.slider("Sharpness", 0.0, 2.0, 1.0)
+
+        if st.button("Apply Adjustments"):
+            processed_img = apply_enhancements(img)
+            st.session_state.processed_img = processed_img
+        else:
+            processed_img = apply_enhancements(img)
+            st.session_state.processed_img = processed_img
+
+    # Display Processed Image
     st.subheader("Processed Image")
-    x = st.slider("X Coordinate", 0, 500, 250)
-    y = st.slider("Y Coordinate", 0, 500, 250)
-    zoom = st.slider("Zoom", 1, 10, 5)
-
-    with st.expander("Enhancement Settings", expanded=True):
-        contrast = st.slider("Contrast", 0.0, 5.0, 1.0)
-        brightness = st.slider("Brightness", 0.0, 5.0, 1.0)
-        sharpness = st.slider("Sharpness", 0.0, 2.0, 1.0)
-
-    def apply_enhancements(image):
-        zoomed = zoom_at(image, x, y, zoom)
-        enhanced_contrast = ImageEnhance.Contrast(zoomed).enhance(contrast)
-        enhanced_bright = ImageEnhance.Brightness(enhanced_contrast).enhance(brightness)
-        enhanced_sharp = ImageEnhance.Sharpness(enhanced_bright).enhance(sharpness)
-        return enhanced_sharp
-
-    processed_img = apply_enhancements(img)
-    st.image(processed_img, caption="Processed Image")
-
-    # Show Original Image next
+    if 'processed_img' in st.session_state:
+        st.image(st.session_state.processed_img, use_column_width=True, caption="Processed Image")
+    else:
+        st.image(processed_img, use_column_width=True, caption="Processed Image")
+
+    # Display Original Image
     st.subheader("Original Image")
-    st.image(img, caption="Original Image")
+    st.image(img, use_column_width=True, caption="Original Image")
 
     # Save Options
     save_image = st.checkbox("Save Processed Image")
     if save_image:
-        processed_img.save("image-processed.jpg")
+        st.session_state.processed_img.save("image-processed.jpg")
         st.success("Image saved as `image-processed.jpg`")
 
     with st.expander("Save Options"):