An efficient and portable LED multispectral imaging system and its application to human tongue detection
C Ma, M Yu, F Chen, H Lin - Applied Sciences, 2022 - mdpi.com
LED illumination-based multispectral imaging has a fast switching ability, high cost-
effectiveness, and a simple structure. It has been used in some applications, especially color …
effectiveness, and a simple structure. It has been used in some applications, especially color …
Optical implementation of partially negative filters using a spectrally tunable light source, and its application to contrast enhanced oral and dental imaging
In optical imaging, optical filters can be used to enhance the visibility of features-of-interest
and thus aid in visualization. Optical filter design based on hyperspectral imaging employs …
and thus aid in visualization. Optical filter design based on hyperspectral imaging employs …
Recovery of reflection spectra in a multispectral imaging system with light emitting diodes
L Fauch, E Nippolainen, V Teplov, AA Kamshilin - Optics express, 2010 - opg.optica.org
Performance of recently proposed multispectral imaging system for fast acquisition of two
dimensional distribution of reflectance spectrum is experimentally studied. The system …
dimensional distribution of reflectance spectrum is experimentally studied. The system …
[PDF][PDF] Oral and dental spectral imaging for computational and optical visualization enhancement
J Hyttinen - 2021 - erepo.uef.fi
For this thesis, the applicability of spectral imaging to dentistry was explored by develo**
several visibility enhancement methods for the visualization of oral and dental features and …
several visibility enhancement methods for the visualization of oral and dental features and …
Fast acquisition of reflectance spectra using wide spectral lines
L Fauch, V Teplov, E Nippolainen, AA Kamshilin - Optical review, 2009 - Springer
We analyze a recently proposed technique for fast acquisition of the two-dimensional (2D)
spatial distribution of reflectance spectra to figure out how much its ability of distinguishing …
spatial distribution of reflectance spectra to figure out how much its ability of distinguishing …
Accuracy of the reflectance spectrum recovery in a light-emitting diode-based multispectral imaging system
L Fauch, E Nippolainen, AA Kamshilin - Optical Engineering, 2012 - spiedigitallibrary.org
We present a study of parameters that affect the accuracy of a reflectance spectrum recovery
from the compressed data obtained in a multispectral imaging (MSI) system consisting of a …
from the compressed data obtained in a multispectral imaging (MSI) system consisting of a …
[PDF][PDF] Computer controlled set of light-emitting diodes for 2D spectral analysis
E Nippolainen, AA Kamshilin - Conference on Colour in …, 2008 - library.imaging.org
We propose a novel approach for fast acquisition of multispectral images. Key-element of
the proposed approach is the computer-controlled light source. It consists of a set of the light …
the proposed approach is the computer-controlled light source. It consists of a set of the light …
Fast noncontact measurements of tablet dye concentration
A non-contact, non-destructive technique for estimating the dye concentration of a tablet is
presented. These measurements are performed by an optoelectronic system capable for fast …
presented. These measurements are performed by an optoelectronic system capable for fast …
[PDF][PDF] Determination of object position and orientation using image processing technique
R Bello, T Suleiman, US Tunga - Res. Rev. J. Phys, 2018 - academia.edu
A method for measuring position and orientation of an object was determined by making use
of image processing technique. The position of light sources gives a geometrical constraint …
of image processing technique. The position of light sources gives a geometrical constraint …
Compact Multispectral Camera Using RGB LED and Optimization
C Ma, M Yu, F Chen, H Zhu, H Fang - … 2021, Yantai, China, October 22–25 …, 2021 - Springer
Multispectral camera gets the three-dimensional spatial information and spectral reflection of
natural objects. It is useful to exploit the shape or color difference, even the material …
natural objects. It is useful to exploit the shape or color difference, even the material …