import gradio as gr
import numpy as np

def handler(in1):
    sepia_filter=np.array([
        [0.393, 0.769, 0.189],
        [0.349, 0.686, 0.168],
        [0.272, 0.534, 0.131]
        ])
    img=in1.dot(sepia_filter.T)
    img /= img.max()
    return img

in1=gr.Image(label='上傳圖像')   
out1=gr.Image(label='圖像輸出')
iface=gr.Interface(
    fn=handler,
    inputs=[in1],  
    outputs=[out1],
    title='Image 元件測試',
    allow_flagging='never',
    )
iface.launch()