Computer Vision 3 Held-Out in Name Only: Two Leaks and a Confound in My Detector's Evaluation Jun 14, 2026 [Paper Review] RTMDet: An Empirical Study of Designing Real-Time Object Detectors Jun 12, 2026 When 0.91 mAP Still Fails: Fixing Safety-Gear False Positives with Empty-GT Negatives Jun 11, 2026