Zpracování multimodálních obrazových dat v analýze uměleckých děl

Blažek, Jan

A B S T R A C T title: Multimodal Image Processing in Art Investigation author: Jan Blažek department: Department of Image Processing, IITA of the CAS supervisor: RNDr. Barbara Zitová PhD., Institute of Information Theory and Automation supervisor's e-mail address: zitova@utia.cas.cz abstract: Art investigation and digital image processing demar- cate an interdisciplinary field of the presented thesis. Over the past 8 years we have published thirteen papers belonging to this field of research. This thesis presents the current state of the art and puts these papers into context. Our research is focused on modalities in the visible and near-infrared parts of the spectrum and affects vari- ous tasks of art investigation. For studying the spectral response of paint materials, we suggest a low-cost mobile multi-band acquisition system and a calibration method extended by a light source with an adjustable wavelength. We created the m3art database of the spectral responses of pigments, available for comparison and public use. The central point of our research is underdrawing detection and visual- ization. For this purpose we have developed: acquisition guidelines based on optical properties of the topmost non-transparent layer, a visualization technique for comparison of modalities, and a signal separation technique...

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