Bell System

social.omar.website

Profile for Omar Rizwan. Username @omar, social.omar.website. Role: admin

About

"The program should, in some way, expand the concept of what computer paint programs are, as well as what mark making can be."

Joined on Dec, 2022. 736 posts. Followed by 259. Following 138.

Recent posts

Omar Rizwan . @omar,

I wonder if there is a shared error of MS/Apple seeing the success of the iOS and Android app stores and thinking they can just copy that model onto desktop Windows/macOS

Open thread
Omar Rizwan . @omar,

Debugging 3D calibration... had weird issues where it produced homographies with det(H) < 0 which totally messed up the rotation and translation (you'd have a couple calibration poses that have z < 0, so 'behind the camera' or 'behind the projector' and reflected, which I guess makes mathematical sense but not physical sense lol). I just set H = -H and then it fixed everything

Open thread
Omar Rizwan . @omar,

All computer vision stuff is like

Step 1. Do some linear algebra that makes logical sense, uses a rational scientific model of how we believe the world works, looks reasonable

Step 2. The result of Step 1 is basically garbage. Feed it into a nonlinear optimizer to make it actually good

Open thread