HALO: a reconfigurable image enhancement and multisensor fusion system

F. Wu; D. L. Hickman; Steve J. Parker

doi:10.1117/12.2050274

19 June 2014 HALO: a reconfigurable image enhancement and multisensor fusion system

F. Wu, D. L. Hickman, Steve J. Parker

Proceedings Volume 9087, Degraded Visual Environments: Enhanced, Synthetic, and External Vision Solutions 2014; 90870A (2014) https://doi.org/10.1117/12.2050274
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

Contemporary high definition (HD) cameras and affordable infrared (IR) imagers are set to dramatically improve the effectiveness of security, surveillance and military vision systems. However, the quality of imagery is often compromised by camera shake, or poor scene visibility due to inadequate illumination or bad atmospheric conditions. A versatile vision processing system called HALO™ is presented that can address these issues, by providing flexible image processing functionality on a low size, weight and power (SWaP) platform. Example processing functions include video distortion correction, stabilisation, multi-sensor fusion and image contrast enhancement (ICE). The system is based around an all-programmable system-on-a-chip (SoC), which combines the computational power of a field-programmable gate array (FPGA) with the flexibility of a CPU. The FPGA accelerates computationally intensive real-time processes, whereas the CPU provides management and decision making functions that can automatically reconfigure the platform based on user input and scene content. These capabilities enable a HALO™ equipped reconnaissance or surveillance system to operate in poor visibility, providing potentially critical operational advantages in visually complex and challenging usage scenarios. The choice of an FPGA based SoC is discussed, and the HALO™ architecture and its implementation are described. The capabilities of image distortion correction, stabilisation, fusion and ICE are illustrated using laboratory and trials data.

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F. Wu, D. L. Hickman, and Steve J. Parker "HALO: a reconfigurable image enhancement and multisensor fusion system", Proc. SPIE 9087, Degraded Visual Environments: Enhanced, Synthetic, and External Vision Solutions 2014, 90870A (19 June 2014); https://doi.org/10.1117/12.2050274

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KEYWORDS

Field programmable gate arrays

Video

Image fusion

Image processing

Distortion

Video processing

Cameras

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