Update app.py

app.py

@@ -0,0 +1,19 @@
+import streamlit as st
+import cv2
+import numpy as np
+from PIL import Image
+
+st.title("Grayscale Image Converter")
+
+uploaded_file = st.file_uploader("Upload an Image", type=["jpg", "jpeg", "png"])
+
+if uploaded_file is not None:
+    # Load image using PIL and convert to numpy array
+    image = Image.open(uploaded_file)
+    img_array = np.array(image)
+
+    # Convert to grayscale using OpenCV
+    gray_img = cv2.cvtColor(img_array, cv2.COLOR_RGB2GRAY)
+
+    # Convert back to image format for display
+    st.image(gray_img, caption="Grayscale Image", use_column_width=True, clamp=True)