Results 11 to 20 of about 632,204 (303)

3D infrared thermospectroscopic imaging [PDF]

open access: yesScientific 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.   +5 more
openaire   +6 more sources

Infrared Image Enhancement Method Based on Improved Histogram [PDF]

open access: yesHangkong bingqi, 2022
In order to improve the enhancement effect of infrared image, according to the imaging characteristics of existing infrared imaging, an infrared image enhancement method based on improved histogram is proposed in this paper.
Li Lingjie, Chen Feifei
doaj   +1 more source

Quantitative analysis method for infrared characterization of coal damage under load based on image enhancement and pixel extraction

open access: yesGeomatics, Natural Hazards & Risk, 2023
To explore the quantification method of infrared thermal image characteristics in the coal loaded-damage process and better reflect the infrared precursor information and damage evolution of coal, in this paper, a new index based on the color extraction ...
Tianxuan Hao   +3 more
doaj   +1 more source

End to End Infrared and Visible Image Fusion With Texture Details and Contrast Information

open access: yesIEEE Access, 2022
Infrared and visible image fusion combine data information from different sensors to achieve a richer description of the same scene. In order to highlight the salient features of the infrared image and the visible image in the fusion image and obtain a ...
Jingyu Ji   +7 more
doaj   +1 more source

High-speed imaging and wavefront sensing with an infrared avalanche photodiode array [PDF]

open access: yes, 2015
Infrared avalanche photodiode arrays represent a panacea for many branches of astronomy by enabling extremely low-noise, high-speed and even photon-counting measurements at near-infrared wavelengths.
Atkinson, Dani   +6 more
core   +3 more sources

Ultrabroadband infrared nanospectroscopic imaging [PDF]

open access: yesProceedings of the National Academy of Sciences, 2014
Significance Through direct measurement of intrinsic vibrational and electronic modes, infrared spectroscopy provides label-free, chemical characterization of molecules and solids. The long micrometer-sized wavelength of infrared light, however, has limited the application of this widely applied spectroscopic technique to ensemble studies ...
Hans A, Bechtel   +4 more
openaire   +2 more sources

A new camera for high-resolution infrared imaging of works of art [PDF]

open access: yes, 2006
A new camera – SIRIS (scanning infrared imaging system) – developed at the National Gallery in London allows high-resolution images to be made in the near infrared region (900–1700 nm).
Atkinson, N   +4 more
core   +1 more source

Multi-Scale Fusion Algorithm Based on Structure Similarity Index Constraint for Infrared Polarization and Intensity Images

open access: yesIEEE Access, 2017
At present, infrared polarization and intensity image fusion algorithms often cause fused images to appear fuzzy, making the fused image unable to be processed further.
Lei Zhang, Fengbao Yang, Linna Ji
doaj   +1 more source

Super-resolution Algorithm of Infrared Video Image Based on Sprse Representation [PDF]

open access: yesJisuanji gongcheng, 2016
According to the low resolution characteristic of infrared video image,an improved super-resolution reconstruction algorithm of infrared video image is proposed in this paper.It researches the sparse representation for the low-resolution infrared video ...
QI Cao,ZHU Guibin,TANG Jianbo,MOU Yufei
doaj   +1 more source

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

open access: yes, 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).
Atkinson, N   +5 more
core   +1 more source

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