app.py

import gradio as gr
import cv2

def process_image(img):
  blur = cv2.blur(img,(5,5))
  return blur

interface = gr.Interface(
  fn = process_image,
  #inputs='image',
  inputs="webcam",
  outputs='image',
  title='Facial Expression',
  description='Facial expression detection test')
  
interface.launch()