#SLAM
2 related articles
·2 min
Building a 4WD SLAM Radar Robot with Arduino R4 WiFi
A Reddit maker shares a 4WD SLAM radar robot based on Arduino UNO R4 WiFi: a servo-mounted ultrasonic sensor performs 180° scanning, sends telemetry over Wi-Fi to a web dashboard, and reconstructs a 2D vector wall map in real time—a low-cost entry-level validation of simultaneous localization and mapping.
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·2 min
Hierarchy-GBP: Accelerating Factor Graph Inference with Hierarchical Abstraction
Hierarchy-GBP (H-GBP) accelerates Gaussian Belief Propagation on factor graphs via a coarse-graph abstraction and recovery framework, achieving state-of-the-art runtime on PGO and Bundle Adjustment with proven convergence guarantees.
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