This post shares a small tip for those who would like to download videos from websites like *Youtube* on their *IOS devices*, using a Linux shell emulator *ish*.
This post goes through the derivation of *signed distance function
(SDF)* with respect to oriented boxes in 2D.
I also showed *Python implementations* with some examples.
In this post we create 3 essential tools in the object detection task: IoU (Intersection-over-Union), NMS (Non-Maximum suppression) and mAP (mean Average Precision).