The resulting image is not clear enough, There are silhouettes behind the characters

[youtianhong]

Describe the bug The resulting image is not clear enough, There are silhouettes behind the characters Is there any way to optimise this by rembg?

To Reproduce I have tested this funcationality,it works

Expected behavior Expect the character picture to be clear after removing the background

Images Please enlarge to 100% to see the attachement， the character picture not enough clear.

OS Version:

Rembg version:

Additional context Add any other context about the problem here.