Automatic Target Recognition for AUV & AI-Based Maritime Situational Awareness for USV

Additional US Navy Funding for Real-Time Autonomous Ocean Mapping

Charles River Analytics is creating ROMAN (Real-Time Ortho-Mosaicking for Awareness and Navigation), a set of software components for creating real-time sea surface maps and detecting maritime objects By Phoebe Grinter / 05 Jul 2022
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Following a successful proof of concept, the US Navy has awarded Charles River Analytics over $1.1 million to apply computer vision and autonomous robotics capabilities to navigation over the open ocean.

Images of the ocean can be captured by sensors on Unmanned Aerial Systems (UAS), which also record data about position, orientation, and field of view. However, it is not easy to match the images and data to exact locations and create accurate maps. Unlike ground terrain, the ocean surface lacks reliable landmarks, and GPS data is not always available.

To address these challenges, Charles River Analytics is creating ROMAN (Real-Time Ortho-Mosaicking for Awareness and Navigation), a set of software components for creating real-time sea surface maps and detecting maritime objects.

“The open ocean makes up seventy percent of the planet,” said Dr. Todd Jennings, Scientist at Charles River and Principal Investigator on the ROMAN project. “Keeping up-to-date maps over the open ocean and for aircraft to navigate without the aid of vulnerable external guidance information like GPS presents unique challenges. This project will help provide up-to-the-minute maps and navigational information in contested environments.”

ROMAN ingests video from the electro-optical and infrared sensors onboard a UAS. Then, video frames are stitched together to create and continuously update an ortho-mosaic. 

An ortho-mosaic is a detailed, accurate, photorealistic map, formed by combining multiple images and geometrically correcting them. Even when GPS data is unavailable, ROMAN’s algorithms will match the UAS sensor data to a base map and provide accurate positioning information. 

ROMAN will also detect, identify, and track relevant maritime objects, such as submarines and floating mines. A full-featured user interface, integrated with existing Navy communications infrastructure, will support route planning and execution. A particularly innovative aspect of ROMAN is the ability to produce the ortho-mosaic without lengthy post-processing of images or access to cloud computing.

ROMAN will improve situational awareness for maritime operations, including threat detection, anti-submarine warfare, counter-surveillance, and search-and-rescue in GPS-denied areas. Other potential applications include marine life surveys, environmental monitoring, and disaster management. ROMAN technologies will also be incorporated into VisionKit, Charles River’s library of computer vision components.

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Posted by Phoebe Grinter Unmanned Systems Technology’s digital editor and copywriter Phoebe takes a fresh and enthusiastic approach to researching, writing and posting the latest unmanned technology updates, and in managing the UST social channels. Connect & Contact
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