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Use of Automatic Chinese Character Decomposition and Human Gestures for Chinese Calligraphy Robots

Chao, Fei and Huang, Yuxuan and Lin, Chih-Min and Yang, Longzhi and Hu, Huosheng and Zhou, Changle (2019) 'Use of Automatic Chinese Character Decomposition and Human Gestures for Chinese Calligraphy Robots.' IEEE Transactions on Human-Machine Systems, 49 (1). 47 - 58. ISSN 2168-2291

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Abstract

Conventional Chinese calligraphy robots often suffer from the limited sizes of predefined font databases, which prevent the robots from writing new characters. This paper presents a robotic handwriting system to address such limitations, which extracts Chinese characters from textbooks and uses a robot's manipulator to write the characters in a different style. The key technologies of the proposed approach include the following: 1) automatically decomposing Chinese characters into strokes using Harris corner detection technology and 2) matching the decomposed strokes to robotic writing trajectories learned from human gestures. Briefly, the system first decomposes a given Chinese character into a set of strokes and obtains the stroke trajectory writing ability by following the gestures performed by a human demonstrator. Then, it applies a stroke classification method that recognizes the decomposed strokes as robotic writing trajectories. Finally, the robot arm is driven to follow the trajectories and thus write the Chinese character. Seven common Chinese characters have been used in an experiment for system validation and evaluation. The experimental results demonstrate the power of the proposed system, given that the robot successfully wrote all the testing characters in the given Chinese calligraphic style.

Item Type: Article
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Elements
Date Deposited: 08 Jul 2021 08:39
Last Modified: 08 Jul 2021 08:39
URI: http://repository.essex.ac.uk/id/eprint/27639

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