12 Sep 2017

Cambridge Pixel to supply radar software to ASV Global

Cambridge Pixel is to supply is its radar tracking and fusion software to ASV Global (ASV) to enhance situational awareness on ASV’s range of unmanned boats.

ASV supplies unmanned and autonomous surface vessels for commercial, military and security missions. Its ASView® control system supports autonomous and remote control of the vessels and has been deployed on over 80 unmanned new build and retrofitted vessels.

Cambridge Pixel’s SPx Server radar tracking software receives radar video from the onboard radars, typically Navico’s Simrad 4G or Halo radars. The processing of video to detect targets of interest uses adaptive algorithms to accommodate a wide range of operating conditions. Initially, plots are extracted as detections from the radar that exceed a background level. These plots are then correlated to differentiate clutter from true targets.

Once the target has passed a confidence test, a provisional track becomes established and is subsequently tracked from scan to scan with a multi-hypothesis, multi-model tracker. Navigation data from the ship is used to compensate for own-ship motion. The output from the tracking server is combined with AIS targets, using the SPx fusion software, and the resultant fused track is provided as a standard ASTERIX or TTM message into ASV’s control software.

Dave Martin, Head of Control at ASV Global’s UK facility, said: “Effective and reliable tracking of objects around our unmanned surface vehicles is critical to their safe operation. It was therefore important that we chose an experienced and established radar tracking company to assist us in implementing such a capability.

“Cambridge Pixel’s engineers have worked closely with the ASV software team to not only fully integrate their tracking and sensor fusion capability into our ASView control system but also to optimise its performance and to enhance situational awareness in this very demanding environment.” 

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