&lt;title&gt;Validation of the NATO-standard ship signature model (SHIPIR)&lt;/title&gt;

Vaitekunas, David A.; Fraedrich, Douglas S.

doi:10.1117/12.352938

Cited by 19 publications

(11 citation statements)

References 8 publications

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“…[52]; (ii) Models for obtaining atmospheric IR transmissivity and radiance like LOWTRAN, MODTRAN, and HI-TRAN; (iii) Models for IRSL processing and generating spatial scene map, wire model generation like SPIRITS, infrared search and track (IRST), imaging infrared (IIR), electro-optical signature evaluation system (EOSAS), etc. Models for IRSL prediction of ships like SHIPIR and for ground vehicles like GTSIG and Physically Reasonable Infrared Signature Model (PRISM) are also used [89][90][91]. These standard analysis models can progressively be made more perfect by experimental validation, so that they can be used in digital IR simulators.…”

Section: Standard Models For Prediction Of Ir Signaturementioning

confidence: 99%

Infrared signature studies of aerospace vehicles

Mahulikar

Sonawane

Rao

2007

Progress in Aerospace Sciences

292

111

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Infrared (IR) emissions from aircraft are used to detect, track, and lock-on to the target. MAN Portable Air Defence Systems (MANPADS) have emerged as a major cause of aircraft and helicopter loss. Therefore, IR signature studies are important to counter this threat for survivability enhancement, and are an important aspect of stealth technology. This paper reviews contemporary developments in this discipline, with particular emphasis on IR signature prediction from aerospace vehicles. The role of atmosphere in IR signature analysis, and relation between IR signature level and target susceptibility are illustrated. Also, IR signature suppression systems and countermeasure techniques are discussed, to highlight their effectiveness and implications in terms of penalties.

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Section: Standard Models For Prediction Of Ir Signaturementioning

confidence: 99%

Infrared signature studies of aerospace vehicles

Mahulikar

Sonawane

Rao

2007

Progress in Aerospace Sciences

292

111

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“…The scenario model is used to monitor and manage the user inputs and commands, and update the necessary model components to refresh the display (IR scene). Validation of ShipIR has been the topic of several research papers (Vaitekunas and Fraedrich 1999, Fraedrich et al 2003, Vaitekunas 2005. A sample comparison between a FLIR mid-wave camera measurement and its ShipIR equivalent are presented in Figure 2.…”

Section: Introductionmentioning

confidence: 99%

An adaptive tracker for ShipIR/NTCS

Ramaswamy

Vaitekunas

2015

SPIE Proceedings

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A key component in any image-based tracking system is the adaptive tracking algorithm used to segment the image into potential targets, rank-and-select the best candidate target, and the gating of the selected target to further improve tracker performance. This paper will describe a new adaptive tracker algorithm added to the naval threat countermeasure simulator (NTCS) of the NATO-standard ship signature model (ShipIR). The new adaptive tracking algorithm is an optional feature used with any of the existing internal NTCS or user-defined seeker algorithms (e.g., binary centroid, intensity centroid, and threshold intensity centroid). The algorithm segments the detected pixels into clusters, and the smallest set of clusters that meet the detection criterion is obtained by using a knapsack algorithm to identify the set of clusters that should not be used. The rectangular area containing the chosen clusters defines an inner boundary, from which a weighted centroid is calculated as the aim-point. A track-gate is then positioned around the clusters, taking into account the rate of change of the bounding area and compensating for any gimbal displacement. A sequence of scenarios is used to test the new tracking algorithm on a generic unclassified DDG ShipIR model, with and without flares, and demonstrate how some of the key seeker signals are impacted by both the ship and flare intrinsic signatures.

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“…(Vaitekunas, 2010). 그리고 함 자체의 영향은 함 운용특성 (운용 추진기관, 함속, 침로)과 표면페인트의 광학적 특성 국내외의 다양한 연구자들에 의해 신호해석 (Choi, et al, 2008;Kim, 2010) 및 검증 (Vaitekunas & Fraedrich, 1999;Fraedrich, et al, 2004;Vaitekunas, 2005)을 위한 연구에 활용되고 있다.…”

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A Study on the Infrared Signature of a Naval Ship under the Marine Climate

Kim¹

2012

Journal of the Society of Naval Architects of Korea

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A study on the IR(InfraRed) signature of a naval ship has been performed using well known IR signature analysis software, ShipIR/NTCS. Variations of the IR signature radiated from skins of a naval ship have been investigated according to the monthly averaged marine climate conditions. An unclassified destroyer model with and without applying the washdown system was applied to compare the influence on the signature under the background changes. The marine background models were created from the observed data by a buoy of Korea Meterological Administration(KMA). The sensitivity of the ship signature against the climate variables such as air temperature, sea temperature, relative humidity has been studied as well. The seasons which show extreme(max, min) skin signature change by whether the washdown is applied or not. The sensitivities of the air temperature and the sea temperature for a dry-ship reversed by applying the washdown on the ship surfaces.

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<title>Validation of the NATO-standard ship signature model (SHIPIR)</title>

Cited by 19 publications

References 8 publications

Infrared signature studies of aerospace vehicles

Infrared signature studies of aerospace vehicles

An adaptive tracker for ShipIR/NTCS

A Study on the Infrared Signature of a Naval Ship under the Marine Climate

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