Eagle Technology, LLC

Exelis Inc.

Shiloh L Dockstader

Fraser R Dalgleish

Victor G Bucklew

Omid Ebrahimi Kia

Donna M Kocak

An underwater communications system may include a first device and a second device being movable relative to one another. The first device may include a first laser transmitter configured to generate a first laser beam having a selectable spatiotemporal beam shape from among a plurality thereof, and a first controller coupled to the first laser transmitter and configured to select a spatiotemporal beam shape for the first laser beam from among the spatiotemporal beam shapes. The second device may include a second laser receiver configured to receive the first laser beam, and a second controller coupled to the second laser receiver.

Underwater communications system having selectable beam and associated methods

A system for registration of images includes a processor for receiving a temporal sequence of frames from multiple cameras viewing a region of interest. The temporal sequence of frames obtained by one camera is precisely timed to the temporal sequence of frames obtained by the other cameras. The processor modifies the temporal sequence of frames into a hierarchical sequence of frames. The hierarchical sequence of frames includes at least first and second levels. The processor registers frames belonging in the first level separately from frames belonging in the second level. The first level includes frames having a first amount of pixel overlap between one frame and another frame, and the second level includes frames having a second amount of pixel overlap between one frame and another frame. The first amount of pixel overlap is greater than the second amount of pixel overlap. The system may also include a third level of frames, in which the third level includes frames having a third amount of pixel overlap between one frame and another frame. The third amount of pixel overlap is smaller than the first amount or the second amount.

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Oakton, VA, United States of America

Shiloh L Dockstader