USA as Represented by Secretary of the Navy

Board of Governors for Higher Education, State of Rhode Island and Providence Plantations

John DiCecco

Ying Sun

Jiang Wu

Robert B Hill

Creating a georeference model from input bathymetric data includes defining a search limit grid and establishing a geometric model. An iterative RANSAC process is used to fit bathymetric data calculate the geometric model for each cell of the grid. Points that are too far away from the geometric model are removed, and geometric models are recalculated. The compiled geometric models are used as the georeference model. In further embodiments, the georeference model can be smoothed to remove boundaries between cells. Other embodiments provide for using the georeference model for navigation and data transmission.

Method for producing a georeference model from bathymetric data

A device is disclosed for detecting a voltage potential from a tissue membrane. The device includes an input circuit, an output circuit and a digital signal processor. The input circuit receives a membrane voltage potential from an electrode. The output circuit receives an output command signal and provides a current output signal to the electrode. The digital signal processor is coupled to the input circuit and the output circuit. The digital signal processor provides the output command signal, and waits a delay period prior to receiving the membrane voltage signal from the input circuit.

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Wakefield, RI, United States of America

John DiCecco