Multispectral imaging systems are used in art examination in order to map and identify pigments and binders as well as retouches. A monochromatic camera (CCD or InGaAs) is combined with an appropriate wavelength selection system, simple as a set of interferential filters or powerful but expensive as liquid-crystal tunable filters. A variable number of spectral images of a scene are then acquired and stacked into a reflectance imaging cube to be used to reconstruct reflectance spectra from each of their pixel.
This work presents an affordable and simple multispectral imaging system composed of a monochromatic CCD camera and a set of only 12 interferential filters. The system was tested on a mock-up painting realized with traditional and modern pigments and also on a late 1800 authentic oil painting. This system is of particular interest for the cultural heritage sector because of its hardware simplicity, the acquisition speed as well as its lightweight and small dimensions. It must be pointed out that since its small number of filters, this system has limited analytical capacity and it must be used only for the preliminary mapping and identification of the pigments.
Our crowdfunding project just got over funded! We collected 114% funding in 3 weeks! “Multispectral Imaging for Art and Archaeology” is the first crowd funding project related to Art Conservation Science. For the first time, research funding is coming directly from the final users of this new tool for scientific examination of works of art. Multispectral…
CHSOS launches today its crowdfunding campaign to realize an open source and low-cost multispectral system that anybody will be able to replicate. Conservators are invited to participate and be part of this effort. CLICK here to support Multispectral Imaging for Art and Archaeology We want to develop a simple, affordable but effective multispectral system which…
New York Conservation Foundation (NYCF) invited CHSOS in New York and NJ for three eye-opening and empowering presentations on our systems to do Technical Photography and Multispectral Imaging for Art and Archaeology. The Eastern Analytical Symposium, the New York Microscopical Society, and NYCF provided the lecture and workshop venues. November 17 in Somerset, NJ, we delivered a 25 minute…
Just published “Multispectral imaging system using 12 interference filters for mapping pigments” Conservar Património 21, 25-38, 2015. DOWNLOAD PAPER [fusion_builder_container hundred_percent=”yes” overflow=”visible”][fusion_builder_row][fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”] Multispectral imaging systems are used in art examination in order to map…
Just published “Panoramic, Macro and Micro Multispectral Imaging An Affordable System for Mapping Pigments on Artworks” Journal of Conservation and Museum Studies, 13(1): 6, 1–17, 2015. DOWNLOAD PAPER Multispectral imaging systems are used in art examinations to map and identify pigments, binders and areas of retouching. A monochromatic camera is combined with an appropriate wavelength…
Download are new paper “Multispectral Imaging of Pigments with a digital camera and 12 interferential filters“ DOWNLOAD HERE: This paper illustrates the method that we’ll use for the “Multispectral Imaging for Art and Archaeology” crowdfunded project. Abstract: This paper discusses a low-cost multispectral imaging system for the identification of pigments in artworks. It is composed…
