app.py

import os
os.system("""python -m pip install -i https://mirrors.aliyun.com/pypi/simple/ --upgrade pip setuptools
pip install -i https://mirrors.aliyun.com/pypi/simple/ gradio
pip install -i https://mirrors.aliyun.com/pypi/simple/ opencv-python
""")



import numpy as np
import gradio as gr
import cv2 
 
def gray(input_img):
    grayImage = cv2.cvtColor(input_img, cv2.COLOR_BGR2GRAY)
    return grayImage
 
input = gr.Image(height=300, width=300, label="Upload Image") #label 代表输入框的标题
output = gr.Image()
 
demo = gr.Interface(fn=gray, inputs=input, outputs = output)
demo.launch(share=True)