Filter-free color image sensor based on CsPbBr 3− 3n X 3n (X= Cl, I) single crystals
P Zhang, Y Hua, X Li, L Zhang, L Liu, R Li… - Journal of Materials …, 2021 - pubs.rsc.org
Narrowband photodetectors are critical for the application of sensors in imaging systems,
spectroscopic photodetectors, and optical communication. All-inorganic mixed-halide …
spectroscopic photodetectors, and optical communication. All-inorganic mixed-halide …
[HTML][HTML] Matching CIE illuminants to measured spectral power distributions: A method to evaluate non-visual potential of daylight in two European cities
L Bellia, U Błaszczak, F Fragliasso, L Gryko - Solar Energy, 2020 - Elsevier
The evaluation of non-visual effects of light is a crucial topic in lighting design research and
practice. Performing such analysis requires precise information about the spectral …
practice. Performing such analysis requires precise information about the spectral …
Recovering spectral data from natural scenes with an RGB digital camera and colored filters
Many spectral‐recovery methods using RGB digital cameras assume the underlying
smoothness of illuminant and reflectance spectra, and apply low‐dimensional linear models …
smoothness of illuminant and reflectance spectra, and apply low‐dimensional linear models …
Recovery of spectral reflectances of objects being imaged by multispectral cameras
N Shimano, K Terai, M Hironaga - JOSA A, 2007 - opg.optica.org
Acquisition of spectral information of objects being imaged through the use of sensor
responses is important to reproduce color images under various illuminations. In the past …
responses is important to reproduce color images under various illuminations. In the past …
Using weighted pseudo‐inverse method for reconstruction of reflectance spectra and analyzing the dataset in terms of normality
V Babaei, SH Amirshahi… - Color Research & …, 2011 - Wiley Online Library
Most of spectral estimation methods are based on improving the learning‐based procedures
which mainly modify the training sets used by the basic methods. In this article, a new …
which mainly modify the training sets used by the basic methods. In this article, a new …
Designing color filters that make cameras more colorimetric
GD Finlayson, Y Zhu - IEEE Transactions on Image Processing, 2020 - ieeexplore.ieee.org
When we place a colored filter in front of a camera the effective camera response functions
are equal to the given camera spectral sensitivities multiplied by the filter spectral …
are equal to the given camera spectral sensitivities multiplied by the filter spectral …
Selecting algorithms, sensors, and linear bases for optimum spectral recovery of skylight
In a previous work [Appl. Opt. 44, 5688 (2005)] we found the optimum sensors for a planned
multispectral system for measuring skylight in the presence of noise by adapting a linear …
multispectral system for measuring skylight in the presence of noise by adapting a linear …
Comparative performance analysis of spectral estimation algorithms and computational optimization of a multispectral imaging system for print inspection
We have analyzed the performance of simulated multispectral systems for the spectral
recovery of reflectance of printer inks from camera responses, including noise. To estimate …
recovery of reflectance of printer inks from camera responses, including noise. To estimate …
Retrieval of the optical depth using an all-sky CCD camera
A new method is presented for retrieval of the aerosol and cloud optical depth using a CCD
camera equipped with a fish-eye lens (all-sky imager system). In a first step, the proposed …
camera equipped with a fish-eye lens (all-sky imager system). In a first step, the proposed …
Differentiating biological colours with few and many sensors: spectral reconstruction with RGB and hyperspectral cameras
JE Garcia, MB Girard, M Kasumovic, P Petersen… - PLoS …, 2015 - journals.plos.org
Background The ability to discriminate between two similar or progressively dissimilar
colours is important for many animals as it allows for accurately interpreting visual signals …
colours is important for many animals as it allows for accurately interpreting visual signals …