Update app file

app.py

@@ -64,7 +64,7 @@ with col2:
         st.image(image, use_column_width = True)
         
 with col3:
-    st.markdown('#### Set model parameters')
+    st.markdown('##### Set model parameters')
     postprocess_match_threshold = st.slider(
         label = 'Select confidence threshold',
         min_value = 0.0,
@@ -72,3 +72,10 @@ with col3:
         value = 0.8,
         step = 0.05
     )
+    postprocess_match_metric = st.slider(
+        label = 'Select IoU threshold',
+        min_value = 0.0,
+        max_value = 1.0,
+        value = 0.8,
+        step = 0.05
+    )