Construction, parameters, and research results of thermal weapon sight

Sosnowski, T.; Madura, H.; Bieszczad, Grzegorz; Kastek, M.; Chmielewski, Krzysztof

doi:10.1117/12.900867

Cited by 4 publications

(6 citation statements)

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“…The main factors that determinate the amount of image data generated by the camera are the IR detector count in the array and capabilities to work with defined frame rate. The most popular microbolometric detectors used in thermo vision cameras has pixel resolution form as low as 160x120 [1] by most commonly used resolutions of 640x480 [2] and more. Signal from single pixel is usually read with 14 bit resolution.…”

Section: State Of the Art Display Links And Motivation For Customizationmentioning

confidence: 99%

“…Thermo-vision camera generates the series of images that represents distribution of infrared radiation in observed scene [1,2]. Images of this distribution are captured on regular basis in constant periods of time.…”

Section: State Of the Art Display Links And Motivation For Customizationmentioning

confidence: 99%

“…in head of unmanned aerial vehicle), detection in all weather conditions in day and night, in intelligent weapon systems (ex. homing missiles), critical infrastructure protection, perimeter protection, fire control systems and in weapon sights [1,2,3,4,5].…”

Section: Introductionmentioning

confidence: 99%

“…Third generation thermal cameras with moderate resolution (ex. 640x480) are being widely used by modern armies as the primary observation device thanks to decreasing prices and maturity of uncooled microbolometric detector technology [1,2]. Thermographic observation devices allow maintaining effective observation in limited visibility conditions in day and night and even in absolute darkness without need of using external light or infrared radiation sources.…”

Section: Introductionmentioning

confidence: 99%

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Packet based serial link realized in FPGA dedicated for high resolution infrared image transmission

Bieszczad

2015

SPIE Proceedings

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In article the external digital interface specially designed for thermographic camera built in Military University of Technology is described. The aim of article is to illustrate challenges encountered during design process of thermal vision camera especially related to infrared data processing and transmission. Article explains main requirements for interface to transfer Infra-Red or Video digital data and describes the solution which we elaborated based on Low Voltage Differential Signaling (LVDS) physical layer and signaling scheme.Elaborated link for image transmission is built using FPGA integrated circuit with built-in high speed serial transceivers achieving up to 2500Gbps throughput. Image transmission is realized using proprietary packet protocol. Transmission protocol engine was described in VHDL language and tested in FPGA hardware. The link is able to transmit 1280x1024@60Hz 24bit video data using one signal pair. Link was tested to transmit thermal-vision camera picture to remote monitor. Construction of dedicated video link allows to reduce power consumption compared to solutions with ASIC based encoders and decoders realizing video links like DVI or packed based Display Port, with simultaneous reduction of wires needed to establish link to one pair.Article describes functions of modules integrated in FPGA design realizing several functions like: synchronization to video source, video stream packeting, interfacing transceiver module and dynamic clock generation for video standard conversion.

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Section: State Of the Art Display Links And Motivation For Customizationmentioning

confidence: 99%

Section: State Of the Art Display Links And Motivation For Customizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Packet based serial link realized in FPGA dedicated for high resolution infrared image transmission

Bieszczad

2015

SPIE Proceedings

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“…Kamera termowizyjna rejestruje promieniowanie podczerwone pochodzące od obserwowanych obiektów i jest zbudowana z takich podstawowych elementów jak [1,8,9]: matryca detektorów podczerwieni, obiektyw dla danego zakresu podczerwieni, układy elektroniczne zapewniające odczyt sygnału z detektora oraz rejestrację i analizę sygnału, a także moduł wyświetlania. Zależnie od spektralnego zakresu pracy, kamery termowizyjne dzieli się najczęściej na średniofalowe MWIR (zakres pracy 3-5 µm) i długofalowe LWIR (8-14 µm).…”

Section: Wprowadzenieunclassified

Radiation Model of a Housing of Cooled Infrared Detector Array

Sosnowski¹,

Bieszczad²,

Gogler³

et al. 2021

PAR

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The infrared camera detects infrared radiation from the observed objects, Its main element is the array of infrared detectors, which converts the received radiation into an electrical signal. The radiation sources recorded by the detector can be divided as useful, received from the observed scene, and useless received from such objects as the detector housing and lens elements. These unusable radiation sources have a significant impact on the design of the detector itself. The article presents a model of the detector housing and a quantitative analysis of the influence of various radiation sources on the effectiveness of radiation detection from the observed scene.

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