Robotics on Sabarish's Space https://sabarishks.com/tags/robotics/ Recent content in Robotics on Sabarish's Space Hugo en-us Thu, 20 Aug 2026 23:45:00 -0700 From 2.5D to 3D: Unprojecting RGB-D Sensor Data for Spatial Memory (Part 1) https://sabarishks.com/posts/gaussian-counterfactuals-001/ Thu, 20 Aug 2026 23:45:00 -0700 https://sabarishks.com/posts/gaussian-counterfactuals-001/ Lifting 2.5D pixels into true 3D space: how to vectorize pinhole camera equations to unproject raw RGB-D data. How Far Can Appearance-Only Visual Memory Go? Evaluating SigLIP2 for Indoor Place Recognition https://sabarishks.com/posts/siglip2-indoor-place-recognition/ Tue, 18 Aug 2026 21:14:00 -0700 https://sabarishks.com/posts/siglip2-indoor-place-recognition/ A systematic evaluation of SigLIP2 as a visual memory backbone for indoor place recognition, probing how far appearance-only embeddings can take us before geometry becomes non-negotiable.