Robot calligraphy visually reflects the motion capability of robotic manipulators.While traditional researches mainly focus on image generation and the writing of simple calligraphic strokes or characters,this article...Robot calligraphy visually reflects the motion capability of robotic manipulators.While traditional researches mainly focus on image generation and the writing of simple calligraphic strokes or characters,this article presents a generative adversarial network(GAN)-based motion learning method for robotic calligraphy synthesis(Gan2CS)that can enhance the efficiency in writing complex calligraphy words and reproducing classic calligraphy works.The key technologies in the proposed approach include:(1)adopting the GAN to learn the motion parameters from the robot writing operation;(2)converting the learnt motion data into the style font and realising the transition from static calligraphy images to dynamic writing demonstration;(3)reproducing high-precision calligraphy works by synthesising the writing motion data hierarchically.In this study,the motion trajectories of sample calligraphy images are firstly extracted and converted into the robot module.The robot performs the writing with motion planning,and the writing motion parameters of calligraphy strokes are learnt with GANs.Then the motion data of basic strokes is synthesised based on the hierarchical process of‘stroke-radicalpart-character’.And the robot re-writes the synthesised characters whose similarity with the original calligraphy characters is evaluated.Regular calligraphy characters have been tested in the experiments for method validation and the results validated that the robot can actualise the robotic calligraphy synthesis of writing motion data with GAN.展开更多
The Analects(Lunyu論語)is a fundamental text for understanding the teachings of Confucius and offers an extensive account of the importance and methodology of learning(xue學)in the quest to become a junzi(君子),or exe...The Analects(Lunyu論語)is a fundamental text for understanding the teachings of Confucius and offers an extensive account of the importance and methodology of learning(xue學)in the quest to become a junzi(君子),or exemplary person.This paper explores the contents and attitudes of learning as presented in The Analects,focusing on how Confucius’disciples and subsequent generations compiled and understood his teachings.Confucius emphasized that the ultimate goal of learning is to become a junzi.The term junzi originally referred to nobles or aristocrats but was redefined by Confucius to describe anyone who cultivates themselves to achieve moral excellence and serve society effectively.In The Analects,the concept of junzi is constructed through various entries that illustrate what a junzi should and should not do,highlighting attributes such as being highly principled,disciplined,ethical,and capable.Confucius outlined specific content areas for learning that were essential for personal and social development.These included learning cultural knowledge(學文),the Book of Changes(學易),the Book of Odes(學詩),the Book of Propriety(學禮),and the Way(學道).He believed that proper behavior,such as filial piety,respect for elders,trustworthiness,and benevolence,was a prerequisite for effective learning.Through the study of these classical texts,learners could cultivate their emotions,improve their observational abilities,and enhance their social skills.In addition to content,Confucius stressed the importance of having the right attitude towards learning.He valued the enjoyment of learning(好學)and praised those who pursued knowledge with diligence and an open mind.This attitude was exemplified by his favorite disciple,Yan Hui,who was noted for his ability to learn without repeating mistakes or transferring anger to others.Confucius himself also modeled this attitude,demonstrating a lifelong commitment to learning and self-improvement.In conclusion,The Analects presents learning as a holistic process that encompasses not only the acquisition of knowledge but also the development of moral and social virtues.Confucius’teachings emphasize that through persistent and disciplined learning,individuals can achieve personal growth and contribute positively to society,embodying the qualities of a true junzi.展开更多
中间人攻击是网络攻击的一种常用手段,其中超文本传输安全(Hypertext Transfer Protocol Secure,HTTPS)协议的中间人攻击危害较大,已有检测方法主要面向单客户端,以证书匹配验证为主要手段,部署成本和性能开销较高。通过分析SSL(Secure ...中间人攻击是网络攻击的一种常用手段,其中超文本传输安全(Hypertext Transfer Protocol Secure,HTTPS)协议的中间人攻击危害较大,已有检测方法主要面向单客户端,以证书匹配验证为主要手段,部署成本和性能开销较高。通过分析SSL(Secure Sockets Layer)握手阶段的密钥协商、证书验证等关键报文,提出基于时间特征的HTTPS中间人攻击检测方法,从流量角度提供了一种检测思路,具有更广泛的适用场景。实验结果表明,该方法在互联网环境测试数据集下具有较高的准确率。展开更多
基金National Key Research and Development Program of China,Grant/Award Numbers:2021YFB2501301,2019YFB1600704The Science and Technology Development Fund,Grant/Award Numbers:0068/2020/AGJ,SKL‐IOTSC(UM)‐2021‐2023GDST,Grant/Award Numbers:2020B1212030003,MYRG2022‐00192‐FST。
文摘Robot calligraphy visually reflects the motion capability of robotic manipulators.While traditional researches mainly focus on image generation and the writing of simple calligraphic strokes or characters,this article presents a generative adversarial network(GAN)-based motion learning method for robotic calligraphy synthesis(Gan2CS)that can enhance the efficiency in writing complex calligraphy words and reproducing classic calligraphy works.The key technologies in the proposed approach include:(1)adopting the GAN to learn the motion parameters from the robot writing operation;(2)converting the learnt motion data into the style font and realising the transition from static calligraphy images to dynamic writing demonstration;(3)reproducing high-precision calligraphy works by synthesising the writing motion data hierarchically.In this study,the motion trajectories of sample calligraphy images are firstly extracted and converted into the robot module.The robot performs the writing with motion planning,and the writing motion parameters of calligraphy strokes are learnt with GANs.Then the motion data of basic strokes is synthesised based on the hierarchical process of‘stroke-radicalpart-character’.And the robot re-writes the synthesised characters whose similarity with the original calligraphy characters is evaluated.Regular calligraphy characters have been tested in the experiments for method validation and the results validated that the robot can actualise the robotic calligraphy synthesis of writing motion data with GAN.
文摘The Analects(Lunyu論語)is a fundamental text for understanding the teachings of Confucius and offers an extensive account of the importance and methodology of learning(xue學)in the quest to become a junzi(君子),or exemplary person.This paper explores the contents and attitudes of learning as presented in The Analects,focusing on how Confucius’disciples and subsequent generations compiled and understood his teachings.Confucius emphasized that the ultimate goal of learning is to become a junzi.The term junzi originally referred to nobles or aristocrats but was redefined by Confucius to describe anyone who cultivates themselves to achieve moral excellence and serve society effectively.In The Analects,the concept of junzi is constructed through various entries that illustrate what a junzi should and should not do,highlighting attributes such as being highly principled,disciplined,ethical,and capable.Confucius outlined specific content areas for learning that were essential for personal and social development.These included learning cultural knowledge(學文),the Book of Changes(學易),the Book of Odes(學詩),the Book of Propriety(學禮),and the Way(學道).He believed that proper behavior,such as filial piety,respect for elders,trustworthiness,and benevolence,was a prerequisite for effective learning.Through the study of these classical texts,learners could cultivate their emotions,improve their observational abilities,and enhance their social skills.In addition to content,Confucius stressed the importance of having the right attitude towards learning.He valued the enjoyment of learning(好學)and praised those who pursued knowledge with diligence and an open mind.This attitude was exemplified by his favorite disciple,Yan Hui,who was noted for his ability to learn without repeating mistakes or transferring anger to others.Confucius himself also modeled this attitude,demonstrating a lifelong commitment to learning and self-improvement.In conclusion,The Analects presents learning as a holistic process that encompasses not only the acquisition of knowledge but also the development of moral and social virtues.Confucius’teachings emphasize that through persistent and disciplined learning,individuals can achieve personal growth and contribute positively to society,embodying the qualities of a true junzi.
