Artistic information extraction from Chinese calligraphy works via Shear-Guided filter |
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| Institution: | 1. School of Information Science and Technology, Northwest University, 710127, China;2. Department of Culture Heritage and Museology, Zhejiang University, Hangzhou, Zhejiang 310028, China;3. Centre for Quantum Computation and Intelligent Systems, University of Technology Sydney, Australia;4. School of Computer Science and Technology, Xidian University, Xi’an, Shaanxi 710071, China;1. Department of Computer System and Technology, Faculty of Computer Science and Information Technology, University of Malaya, 50603 Kuala Lumpur, Malaysia;2. University Multimedia, Malaysia;3. The Chinese University of Hong Kong, Hong Kong;1. Department of Information Management, National Central University, Taiwan;2. Department of Computer Science and Information Engineering, Asia University, Taiwan;3. Department of Information and Computer Engineering, Chung Yuan Christian University, Taiwan;1. Department of Computer Science and Engineering, Jatiya Kabi Kazi Nazrul Islam University, Bangladesh;2. Department of Computer Science and Engineering, Bangladesh University of Engineering and Technology, Bangladesh |
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| Abstract: | Chinese calligraphy is a unique visual art, and is still emitting fascinating artistic brilliance and charm. The artistic beauty of Chinese calligraphy is constituted by two elements, i.e., form and spirit, which attract continual attentions by calligraphy artists. In this paper, we present Shear-Guided filter to extract the artistic information. Shear-Guided filter is designed by combining the shear transformation and the guided filter. It has both the edge-preserving smoothing property from the guided filter and the linear multidirectional property from the shear transformation. Shear-Guided filter can extract more spirit information from the calligraphy images, especially in the half-dry strokes. Furthermore, the previous evaluation parameters consider all pixels equally, which is against the truth. Here we put forward three new parameters to solve this issue. Finally, experiments show that Shear-Guided filter can extract the information of form and spirit more accurately, and the new evaluation parameters have better performances in evaluation. |
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| Keywords: | Artistic information extraction Spirit information Shear-Guided filter Evaluation parameters Chinese calligraphy works |
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