Browsing by Author "Midtgaard, Øivind"

Now showing items 1-4 of 4

    • A Bayesian Network Approach to Evaluating the Effectiveness of Modern Mine Hunting 

      Hammond, Tim R.; Midtgaard, Øivind; Connors, Warren A. (2021-10-29)
      This paper describes a novel technique for estimating how many mines remain after a full or partial underwater mine hunting operation. The technique applies Bayesian fusion of all evidence from the heterogeneous sensor ...

    • Challenges of Automated Change Detection in Repeat-pass Synthetic Aperture Sonar Imagery 

      Midtgaard, Øivind; Sæbø, Torstein Olsmo; Warakagoda, Narada Dilp (2023)
      Change detection extracts regions of interest as temporal differences by imaging a scene before and after changes may have occurred. We denote the initial image as the reference and the more recent as the current image. ...

    • The impacts of scene stability and acoustic backscatter coherence on automated seabed change detection 

      Shouldice, Emma; Smith, Sonja; Sæbø, Torstein Olsmo; Crawford, Anna M; Midtgaard, Øivind; King, Jonathan; Johnson, Shawn F; Sternlicht, Daniel D.; Penko, Allison; Lyons, Anthony P.; Bakken, Erik Makino (2023-09)
      Practical implementation of long-term seabed monitoring for civilian and military activities requires automated tools for detecting temporal seabed changes, such as for detection of new trawling activities or mine-like ...

    • Multi-phase performance evaluation for modern minehunting systems 

      Midtgaard, Øivind; Warakagoda, Narada Dilp; Davies, Gary; Connors, Warren A.; Geilhufe, Marc (2019-05-10)
      Many NATO navies are in the process of replacing their dedicated minehunting vessels with systems of heterogeneous, unmanned modules. While traditional ship-based assets prosecute sonar contacts in sequence through to ...