Pigments identification of paintings using subspace distance unmixing algorithm

Bin Li; Shuqiang Lyu; Dafeng Zhang; Qinghao Dong

doi:10.1117/12.2302919

10 April 2018 Pigments identification of paintings using subspace distance unmixing algorithm

Bin Li, Shuqiang Lyu, Dafeng Zhang, Qinghao Dong

Proceedings Volume 10615, Ninth International Conference on Graphic and Image Processing (ICGIP 2017); 1061511 (2018) https://doi.org/10.1117/12.2302919
Event: Ninth International Conference on Graphic and Image Processing, 2017, Qingdao, China

Abstract

In the digital protection of the cultural relics, the identification of the pigment mixtures on the surface of the painting has been the research spot for many years. In this paper, as a hyperspectral unmixing algorithm, sub-space distance unmixing is introduced to solve the problem of recognition of pigments mixture in paintings. Firstly, some mixtures of different pigments are designed to measure their reflectance spectra using spectrometer. Moreover, the factors affecting the unmixing accuracy of pigments’ mixtures are discussed. The unmixing results of two cases with and without rice paper and its underlay as endmembers are compared. The experiment results show that the algorithm is able to unmixing the pigments effectively and the unmixing accuracy can be improved after considering the influence of spectra of the rich paper and the underlaying material.

Citation Download Citation

Bin Li, Shuqiang Lyu, Dafeng Zhang, and Qinghao Dong "Pigments identification of paintings using subspace distance unmixing algorithm", Proc. SPIE 10615, Ninth International Conference on Graphic and Image Processing (ICGIP 2017), 1061511 (10 April 2018); https://doi.org/10.1117/12.2302919

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