green vs pink, bare bones

app.py

@@ -58,5 +58,10 @@ def flip(img):
     return np.flipud(img)
 
 
-iface = gr.Interface(flip, gr.Image(sources=["webcam"], streaming=True), "image", live=True)
+def app(img):
+    npimg = np.array(img)
+    img = Image.fromarray(np.stack([npimg[:, :, 0], 255 - npimg[:,:,1], npimg[:,:,2]], axis=-1))
+    return img
+
+iface = gr.Interface(app, gr.Image(sources=["webcam"], streaming=True), "image", live=True)
 iface.launch()