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A Temporal Consistency Architecture for Real-Time Multi-Sensor Track Displays under Out-of-Sequence Measurements

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2026, 31(9), pp.143~150
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : July 15, 2026
  • Accepted : August 19, 2026
  • Published : September 30, 2026

Seungho Kim 1,  Joonwoo Lee 1,  Scott Uk-Jin Lee 1

1한양대학교

Accredited

ABSTRACT

Heterogeneous sensor delays cause out-of-sequence measurements (OOSMs) in underwater surveillance displays, placing targets at different time instants within a frame and producing discontinuous jumps. Existing studies emphasize estimation accuracy rather than display consistency. We formulate OOSM as a display-layer problem and propose fixed-lag and sensor-aware reorder strategies. On a synthetic workload, fixed-lag reorder eliminates the 215–265 ms intra-frame time spread with 600 ms display latency, while sensor-aware reorder reduces the 99th-percentile frame-to-frame jump from about 59 m to 6 m. Decomposing jumps into temporal-inconsistency and measurement-noise components delineates the display–estimation boundary. The sensor- and tracker-independent architecture generalizes to multi-sensor situational-awareness systems, including vessel traffic services.

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