"Exception: Unsupported source type"

[charpng]

import pyiqa
model = pyiqa.create_metric('unique', as_loss=False)
score = model(img)
#img = ..\image\10_1_C_1000_far_env1000.png

An error was encountered while running the above code

  File "D:\Tianma\UNIQUE\unique_.py", line 26, in <module>
    score = model(img)
            ^^^^^^^^^^
Exception: Unsupported source type

This is a png image with a resolution of 5218*2160. What do I need to change to solve this error?

[zwx8981]

Try: 1, If your image is a gray-scale one, convert it to RGB by duplicating it into three channels. 2, Resize your image such that the longest edge is lower than 1024.