Train Your Own AI Image Detector: Why Off-the-Shelf Detectors Fail on Your Data (DINOv2 + ConvNeXt… (opens in new tab)

Train Your Own AI Image Detector: Why Off-the-Shelf Detectors Fail on Your Data \(DINOv2 \+ ConvNeXt, No GPU\) Off-the-shelf AI image detectors are everywhere — but that never seems to work for our own use case\. 0\.9997 AUC on its benchmark\. 0\.68 on mine\. The number on the box isn’t the number you get\. Companion to How I Distilled a Gemini Vision Model into a 4\.6M-Parameter Model \. Last time, the lesson was: you don’t need to fine-tune a backbone — freeze a big model, train a tiny head...