Tentative conclusion: I’m not going to get the minimum number of photos I need to reidentify a #mantaray below about a half-dozen. Once I have that few k-shot I get good results but I’m just not getting a “general model of how to tell one manta from another.” #MetricLearning #ArcFace #SubcenterArcface #Reidentification #LowKShot
What I'm working on: re-identifying manta rays using deep learning https://knowing.net/posts/2022/11/manta-ray-project/ #ml #pytorch #metriclearning #lowkshot #fastai #marinebio #manta
Re-Identifying Manta Rays

My current project is re-identifying individual manta rays (Mobula alfredi and Mobula birostris) by their distinct belly patterns … er… ventral markings. Every night at two spots on the Big Island of Hawai’i where I live, dive boats shine bright lights that attract plankton. Most nights, the plankton in turn …