Canvas, How to Upload a Profile Picture for Students
This page has a link to Canvas documentation.
The following contains information for students about how to add a profile picture to Canvas, if you wish to change your avatar from the image provided by the automatic upload of your I-Card picture: https://community.canvaslms.com/t5/Student-Guide/How-do-I-add-a-profile-picture-in-my-user-account-as-a-student/ta-p/518