Improved Image-based Pose Regressor Models for Underwater Environments

no code implementations • 13 Mar 2024 • Luyuan Peng, Hari Vishnu, Mandar Chitre, Yuen Min Too, Bharath Kalyan, Rajat Mishra

We investigate the performance of image-based pose regressor models in underwater environments for relocalization.

Data Augmentation

Online Segmented Recursive Least-Squares for Multipath Doppler Tracking

no code implementations • 30 May 2023 • Jae Won Choi, Girish Chowdhary, Andrew C. Singer, Hari Vishnu, Amir Weiss, Gregory W. Wornell, Grant Deane

Underwater communication signals typically suffer from distortion due to motion-induced Doppler.

A Semi-Blind Method for Localization of Underwater Acoustic Sources

no code implementations • 27 Oct 2021 • Amir Weiss, Toros Arikan, Hari Vishnu, Grant B. Deane, Andrew C. Singer, Gregory W. Wornell

We also derive the Cram\'er-Rao bound for this model, which can be used to guide the placement of collections of receivers so as to optimize localization accuracy.