[IPOL discuss] [IPOL announce] new article: Cradle Removal in X-Ray Images of Panel Paintings

[announcements about the IPOL journal]

A new article is available in IPOL: http://www.ipol.im/pub/art/2017/174/

Gábor Fodor, Bruno Cornelis, Rujie Yin, Ann Dooms, and Ingrid Daubechies,
Cradle Removal in X-Ray Images of Panel Paintings,
Image Processing On Line, 7 (2017), pp. 23–42.
https://doi.org/10.5201/ipol.2017.174

Abstract
We address the problem of mitigating the visually displeasing effects of 
cradling in X-ray images of panel paintings. The proposed algorithm 
consists of three stages. In the first stage the location of the 
cradling is detected semi-automatically and the grayscale inconsistency, 
caused by the thickness of the cradling, is adjusted. In a second stage 
we use a blind source separation method to decompose the X-ray image 
into a so-called cartoon part and a texture part, where the latter 
contains mostly the wood grain from both the panel as well as the 
cradling. In the third and final stage the algorithm tries to learn the 
distinction between the texture patterns that originate from the 
cradling and those from other components such as the panel and/or the 
painting. The goal of the proposed research is to improve the 
readability of X-ray images of paintings for art experts.




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