Results 21 to 30 of about 256,558 (319)

SIRIS: a high resolution scanning infrared camera for examining paintings [PDF]

, 2005
The new SIRIS (Scanning InfraRed Imaging System) camera developed at the National Gallery in London allows highresolution images of paintings to be made in the near infrared region (900–1700 nm).
Richard Bingham, Saunders, D, John Cupitt, Sawyers, C, Nick Atkinson, Cupitt, J, Craig Sawyers, David Saunders, Liang, H, Atkinson, N, Bingham, R, Haida Liang   +11 more
core   +1 more source

Overcoming Periodic Stripe Noise in Infrared Linear Array Images: The Fourier-Assisted Correlative Denoising Method

Sensors, 2023
Infrared linear array detectors frequently experience vertical, low-frequency, and periodic stripe noise during imaging, stemming from electro-mechanical interference.
Weicong Chen, Bohan Li
doaj   +1 more source

Stray Light Analysis and Suppression of the Visible to Terahertz Integrated Cloud Detection Optical System

Sensors, 2023
The wide-spectrum integrated imaging method can simultaneously obtain the spectral information of different spectral bands of the same target, which is conducive to the realization of the high-precision detection of target characteristics, and can ...
Haiwei Jiang, Xinhua Niu
doaj   +1 more source

Comparative Study of the Atmospheric Gas Composition Detection Capabilities of FY-3D/HIRAS-I and FY-3E/HIRAS-II Based on Information Capacity

Remote Sensing, 2023
Fengyun-3E (FY-3E)/Hyperspectral Infrared Atmospheric Sounder-II (HIRAS-II) is an extension Fengyun-3D (FY-3D)/HIRAS-I. It is crucial to fully explore and analyze the detection capabilities of these two instruments for atmospheric gas composition.
Mengzhen Xie, Mingjian Gu, Chunming Zhang, Yong Hu, Tianhang Yang, Pengyu Huang, Han Li   +6 more
doaj   +1 more source

Ultraluminous Infrared Galaxies: Atlas of Near‐Infrared Images [PDF]

The Astrophysical Journal Supplement Series, 2002
To appear in ApJSupp; 9 embedded figures; Complete ps copy with higher resolution figures available at http://www.stsci.edu ...
Bushouse, H A, Borne, K D, Colina, L, Lucas, R A, Rowan-Robinson, M, Baker, A C, Clements, D L, Lawrence, A, Oliver, S   +8 more
openaire   +3 more sources

Large Piston Error Detection Method Based on the Multiwavelength Phase Shift Interference and Dynamic Adjustment Strategy

Photonics, 2022
As the loading space in rockets and mirror fabrication technology is limited, optical systems in space cannot have large optical apertures. However, the successful launch and excellent performance of the James Webb Telescope indicate that segmented ...
Rongjie Qin, Zihao Yin, Youlong Ke, Yinnian Liu   +3 more
doaj   +1 more source

3D infrared thermospectroscopic imaging [PDF]

Scientific Reports, 2020
AbstractThis work reports a multispectral tomography technique in transmission mode (called 3DITI for 3D Infrared Thermospectroscopic Imaging) based on a middle wavelength infrared (MWIR) focal plane array. This technique relies on an MWIR camera (1.5 to 5.5 μm) used in combination with a multispectral IR monochromator (400 nm to 20 μm), and a sample ...
Aouali, A., Chevalier, S., Sommier, A., Abisset-Chavanne, Emmanuelle, Batsale, Jean-Christophe, Pradere, Christophe   +5 more
openaire   +6 more sources

Coarse Phasing Detection Using Multiwavelength Wavefront

Photonics, 2023
Presently, the segmented mirror is the mainstream development direction of large-aperture telescopes. The key problem affecting the performance of segmented mirror telescopes concerns the co-phase of the segments. The segments’ co-phase includes the fine
Rongjie Qin, Zihao Yin, Yinnian Liu
doaj   +1 more source

Functional infrared imaging of the breast

IEEE Engineering in Medicine and Biology Magazine, 2000
In order to re-assess the potential contribution of infrared (IR) imaging as a first-line component of a multi-imaging strategy using currently available technology, we first review the history of its introduction and clinical application, including the results of the Breast Cancer Detection Demonstration Projects (BCDDP).
Keyserlingk, J. R., Ahlgren, P. D., Yu, E., Belliveau, N., Yassa, M.   +4 more
openaire   +5 more sources

An Improved Method Combining CNN and 1D-Var for the Retrieval of Atmospheric Humidity Profiles from FY-4A/GIIRS Hyperspectral Data

Remote Sensing, 2021
FY-4A/GIIRS (Geosynchronous Interferometric Infrared Sounder) is the first infrared hyperspectral atmospheric vertical detector in geostationary orbit.
Pengyu Huang, Qiang Guo, Changpei Han, Huangwei Tu, Chunming Zhang, Tianhang Yang, Shuo Huang   +6 more
doaj   +1 more source