Gated viewing for target detection and target recognition

Steinvall, Ove; Olsson, Håkan; Bolander, G.; Groenwall, Christina Anna; Letalick, Dietmar

doi:10.1117/12.351364

Cited by 70 publications

(22 citation statements)

References 5 publications

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“…Many problems of propagation and scattering of Gaussian beams have been solved (see [6,10,11], where other references can be found). On the other hand, the research on laser radar [12] for target ranging, detection, and recognition [13] has become the one key technology to evaluate and model the characteristics of scattering from a complex target in the military and civil applications.…”

Section: Introductionmentioning

confidence: 99%

On Laser Radar Cross Section of Targets With Large Sizes for E-Polarization

El-Ocla¹

2006

PIER

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Abstract-In this paper a study is presented to handle the behavior of radar cross section (RCS) of partially convex targets of large sizes up to five wavelengths in free space. The nature of incident wave is an important factor in the remote sensing and radar detection applications. To investigate the effects of incident wave nature on the RCS, scattering problems of plane and beam wave incidences are considered. Targets are taking large sizes to be bigger enough than the beam width with putting into consideration a horizontal incident wave polarization (E-wave incidence). The effects of the target configuration together with the beam width on the laser RCS compared to the case with the plane wave incidence are numerically analyzed. Therefore, we will be able to have some sort of control on radar detection using beam wave incidence.

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Section: Introductionmentioning

confidence: 99%

On Laser Radar Cross Section of Targets With Large Sizes for E-Polarization

El-Ocla¹

2006

PIER

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“…Besides, range-gated imaging can capture high-quality gate images by suppressing backscattering. So active range-gated imaging has been widely used in night vision [1,2], 3D imaging [3,4], remote imaging [5], underwater imaging [6,7], 4D imaging [8], and security surveillance [9].…”

Section: Introductionmentioning

confidence: 99%

A control software of gated imaging lab(GIL) for 2D/3D range-gated imaging

Liu

Wang

Cao

et al. 2014

The 2014 2nd International Conference on Systems and Informatics (ICSAI 2014)

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A control software named as gated imaging lab (GIL) for 2D/3D underwater or atmospheric range-gated imaging has been introduced. First, a detailed analysis of the functional requirements of imaging system is made. Based on its operating principle and hardware components, functional modules of GIL are determined. It mainly includes zooming and focusing lens, setting gated intensified charge-coupled device (ICCD), changing laser divergence angle, controlling synchronization timing control unit and reconstructing three dimensional (3D) scenes based on captured images. MFC framework simplifies the method of software design and improves the degree of reuse and development efficiency of GIL. Experiments demonstrate that GIL system is stable, real-time and can meet the application demands.

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“…A number of groups have investigated the use of a laser spotlight for night vision applications, and tactical systems are in operation. [1][2][3][4][5] Typically the laser and associated imaging detector operate in the near infrared, for several reasons. Invisible illumination provides for clandestine operation.…”

Section: Introductionmentioning

confidence: 99%

Long-range laser illuminated imaging: analysis and experimental demonstrations

Browne

2001

Opt. Eng

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We demonstrate the utility of laser-illuminated imaging for high-resolution clandestine nighttime surveillance from a simulated airborne platform at standoff ranges in excess of 20 km. In order to reduce the necessary per-pulse laser energy required for illumination at such long ranges, and to mitigate atmospheric turbulence effects on image resolution, we have investigated a unique multiframe postprocessing technique. It is shown that in the presence of atmospheric turbulence and coherent speckle effects, this approach can produce superior results to conventional scene flood illumination.

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Gated viewing for target detection and target recognition

Cited by 70 publications

References 5 publications

On Laser Radar Cross Section of Targets With Large Sizes for E-Polarization

On Laser Radar Cross Section of Targets With Large Sizes for E-Polarization

A control software of gated imaging lab(GIL) for 2D/3D range-gated imaging

Long-range laser illuminated imaging: analysis and experimental demonstrations

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