نتایج جستجو برای: lwir

تعداد نتایج: 274  

2013
Russell E. Warren Stanley J. Osher Richard G. Vanderbeek William Marsh Richard Baraniuk

For more than a decade, the U.S. government has been developing laser-based sensors for detecting, locating, and classifying aerosols in the atmosphere at safe standoff ranges. The motivation for this work is the need to discriminate aerosols of biological origin from interferent materials such as smoke and dust using the backscatter from multiple wavelengths in the long wave infrared (LWIR) sp...

2011
Florent Prel Louis Moreau Stephane Lantagne Christian Vallieres Claude Roy Luc Levesque

With more than 35 years of innovation in spectroscopy, ABB presents its most recent addition to the proven MR product line. This instrument, called MR-i, is a fast imaging Fourier Transform spectroradiometer. It generates spectral data cubes in the MWIR and LWIR and is designed to acquire the spectral signature of various scenes with high temporal, spatial and spectral resolution. MR-i features...

بهزادی, حمیدرضا, عرب, علی, یوسفی, محمد,

This article, introduces a new pixel which can emit infrared wavelengths from its surface and can be used for the purpose of cloaking objects from thermal cameras. This pixel can simulate the temperatures between 0 and 100ºC emited from an infrared radiation in LWIR (8-12 micrometres) region. Nanocomposite material is used in the pixel structure and this has increased its capacities like ZT fac...

2015
Aravindhan K Krishnan Benjamin Stinnett Srikanth Saripalli

In this paper we present a method for combining data from an RGB camera, a long-wave-infrared (LWIR) thermal camera, and a LIDAR to obtain a registered RGB-depththermal (RGBDT) point cloud. Our method assumes that the intrinsic parameters of the cameras are known. For geometric calibration of the thermal camera, we discuss the calibration target used. For cross-calibration, our method requires ...

2009
James C. Peterson

Small satellite payloads commonly involve missions with multiple field-of-view (FOV) capability. For these missions, it is often desirable that the payload instrument contain optical sensors with both a wide FOV for searching or scanning a scene and a narrow FOV to interrogate and identify the object of interest. This generally requires multiple sensors or a zoom lens with multiple moving lense...

2015
I. Weber A. Jenal C. Kneer J. Bongartz

In this paper the development of a lightweight and highly modularized airborne sensor platform for remote sensing applications utilizing a gyrocopter as a carrier platform is described. The current sensor configuration consists of a high resolution DSLR camera for VIS-RGB recordings. As a second sensor modality, a snapshot hyperspectral camera was integrated in the aircraft. Moreover a custom-d...

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