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Research on sentiment terms extraction and visualization of character sentimental interactions in A Dream of Red Mansions

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The Journal of China Universities of Posts and Telecommunications 2022年第2期29卷 24-32页

作者： Huang Pei Zhang Meng Wan Liu Lei Xuanzheng School of digital media and design Arts Beijing University of Posts and TelecommunicationsBeijing 100876China School of Information and Communication Engineering Beijing University of Posts and TelecommunicationsBeijing 100876China Beijing Key Laboratory of Network System and Network Culture Beijing University of Posts and TelecommunicationsBeijing 100876China School of Electronic Engineering Beijing University of Posts and TelecommunicationsBeijing 100876China

In the context of interdisciplinary research,using computer technology to further mine keywords in cultural texts and carry out semantic analysis can deepen the understanding of texts,and provide quantitative support and evidence for humanistic *** on the novel A Dream of Red Mansions,the automatic extraction and classification of those sentiment terms in it were realized,and detailed analysis of large-scale sentiment terms was carried *** encoder representation from transformers(BERT) pretraining and fine-tuning model was used to construct the sentiment classifier of A Dream of Red *** terms of A Dream of Red Mansions are divided into eight sentimental categories,and the relevant people in sentences are extracted according to specific *** also tries to visually display the sentimental interactions between Twelve Girls of Jinling and Jia Baoyu along with the development of the *** overall F_(1) score of BERT-based sentiment classifier reached 84.89%.The best single sentiment score reached 91.15%.Experimental results show that the classifier can satisfactorily classify the text of A Dream of Red Mansions,and the text classification and interactional analysis results can be mutually verified with the text interpretation of A dream of Red Mansions by literature experts.

关键词： A Dream of Red Mansions sentiment term extraction character sentiment interaction bidirectional encoder representation from transformers(BERT) data visualization

Magic Mark: a marking menu using 2D direction and 3D depth information

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Science China(Information Sciences) 2018年第6期61卷 238-240页

作者： Fei LYU Rui XI Yuxin HAN Yujie LIU School of digital media and design Arts Beijing University of Posts and Telecommunications Beijing Key Laboratory of Network Systems and Network Culture Beijing University of Posts and Telecommunications

Menus are important interactive components of user interfaces,broadly applied to command exploration and selection[1].For large displays,RapMenu and touchless circular menus explored the design space of tilt and 2D direction[2,3].However,as one of the important input modalities,3D depth information has not been fully utilized for menu control in large displays.

关键词： Magic Mark Figure

A survey of photon mapping state-of-the-art research and future challenges

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Frontiers of Information Technology & Electronic Engineering 2016年第3期17卷 185-199页

作者： Chun-meng KANG Lu WANG Yan-ning XU Xiang-xu MENG department of Computer Science and Technology Shandong University Engineering Research Center of digital media Technology Ministry of Education

Global illumination is the core part of photo-realistic rendering. The photon mapping algorithm is an effective method for computing global illumination with its obvious advantage of caustic and color bleeding rendering. It is an active research field that has been developed over the past two decades. The deficiency of precise details and efficient rendering are still the main challenges of photon mapping. This report reviews recent work and classifies it into a set of categories including radiance estimation, photon relaxation, photon tracing, progressive photon mapping, and parallel methods. The goals of our report are giving readers an overall introduction to photon mapping and motivating further research to address the limitations of existing methods.

关键词：量子细胞自动机可逆电路传统设计奇偶校验发生器校验器元胞自动机低功率

Waveform design for Integrated Sensing and Communication Systems Based on Interference Exploitation

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Journal of Communications and Information Networks 2022年第4期7卷 447-456页

作者： Tian Liu Yinghong Guo Lingfeng Lu Bin Xia Southwest China Institute of Electronic Technology Chengdu 610036China Institute of Wireless Communications Technology(IWCT)and Shanghai Key Laboratory of digital media Processing and Transmission Shanghai Jiao Tong UniversityShanghai 200240China

Integrated sensing and communication(ISAC)is a spectrum and energy efficient approach to realizing dual functions by a unified hardware *** this paper,we consider a multiple-input multiple-output(MIMO)ISAC system,where the transmitted waveform consisting of communication signals and dedicated sensing signal is optimized for dual purposes of estimating targets and serving downlink single-antenna ***,the sensing interference and multi-user interference are exploited,rather than suppressed,by the waveform design *** joint waveform design problem is formulated by maximizing the constructive interference(CI)while ensuring the power budget and waveform similarity error with the benchmark signal,which limits the sensing estimation *** obtain the benchmark signal which achieves the optimal estimation performance,we propose a semidefinite relaxation based algorithm to solve the optimization *** clarity,we derive the real representation of the complex joint waveform design problem and prove its *** results verify the superiority of the proposed CI-based waveform design when the interference was efficiently exploited as a useful signal source achieving favorable symbol error ratio ***,the dedicated sensing signal provides more degree of freedom for waveform design.

关键词： ISAC CI waveform design Cramer-Rao bound

All-optical complex field imaging using diffractive processors

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Light(Science & Applications) 2024年第6期13卷 1122-1139页

作者： Jingxi Li Yuhang Li Tianyi Gan Che-Yung Shen Mona Jarrahi Aydogan Ozcan Electrical and Computer Engineering department University of CaliforniaLos AngelesCA90095USA Bioengineering department University of CaliforniaLos AngelesCA90095USA California NanoSystems Institute(CNSI) University of CaliforniaLos AngelesCA90095USA

Complex field imaging,which captures both the amplitude and phase information of input optical fields or objects,can offer rich structural insights into samples,such as their absorption and refractive index ***,conventional image sensors are intensity-based and inherently lack the capability to directly measure the phase distribution of a *** limitation can be overcome using interferometric or holographic methods,often supplemented by iterative phase retrieval algorithms,leading to a considerable increase in hardware complexity and computational ***,we present a complex field imager design that enables snapshot imaging of both the amplitude and quantitative phase information of input fields using an intensity-based sensor array without any digital *** design utilizes successive deep learning-optimized diffractive surfaces that are structured to collectively modulate the input complex field,forming two independent imaging channels that perform amplitude-to-amplitude and phase-to-intensity transformations between the input and output planes within a compact optical design,axially spanning~100 *** intensity distributions of the output fields at these two channels on the sensor plane directly correspond to the amplitude and quantitative phase profiles of the input complex field,eliminating the need for any digital image reconstruction *** experimentally validated the efficacy of our complex field diffractive imager designs through 3D-printed prototypes operating at the terahertz spectrum,with the output amplitude and phase channel images closely aligning with our numerical *** envision that this complex field imager will have various applications in security,biomedical imaging,sensing and material science,among others.

关键词： field. utilize collective

Discoloration mechanism,structures and recent applications of thermochromic materials via different methods:A review

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Journal of Materials Science & Technology 2018年第12期34卷 2225-2234页

作者： Youliang Cheng Xiaoqiang Zhang Changqing Fang Jing Chen Zhen Wang Faculty of Printing Packaging Engineering and Digital Media TechnologyXi'an University of Technology

Thermochromic material is a kind of smart material whose color will vary as the result of the phase transition caused by the temperature change. The characteristics of thermochromic materials are the memory functions to the temperature, having great potential applications in aerospace, military, anticounterfeiting technology, construction and other fields. In recent years, many kinds of thermochromic materials have been prepared by different methods and their discoloration mechanisms are various according to published literatures. In this paper, the classification, discoloration mechanism, preparation methods, application fields and development trend of thermochromic materials are reviewed.

关键词： Thermochromic materials Discoloration mechanism Transformation temperature Classification

design of Slant-Form Tool in Precision Reuse of digital Paper Display

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Journal of Materials Science & Technology 2011年第9期27卷 846-850页

作者： Pai-Shan Pa department of digital Content design Graduate School of Toy and Game Design National Taipei University of Education Taipei 10667 Taiwan China

A reuse fabrication module using micro electroetching as a precision machining process with a new design of a slant-form tool to remove the defective indium-tin-oxide （ITO） nanostructure from the optical polyethyleneterephthalate （PET） surfaces of digital paper display is presented in current studies. The low yield of ITO thin film deposition is an important factor in optoelectronic semiconductor production. The adopted precision reuse process requires only a short period of time to remove the ITO nanostructure easily and cleanly, which is based on technical and economical considerations and is highly efficient. In the current experiment, a large inclined angle of the cathode and a small end radius of the anode take less time for the same amount of ITO removal. A higher feed rate of the optical PET diaphragm combines with enough electric power to drive fast micro electroetching. A small rotational diameter of the anode accompanied by a small width of the cathode corresponds to a higher removal rate for the ITO nanostructure. A pulsed direct current can improve the effect of dreg discharge and is advantageous to couple this current with the fast feed rate of the workpiece. This improvement is associated with an increase in current rating. High rotational speed of the slant-form tool can improve the effect of dregs discharge and is advantageous to associate with the fast feed rate of the workpiece （optical PET diaphragm）.

关键词： Reuse fabrication Slant-Form digital paper display Optical polyethyleneterephthalate (PET) diaphragm Indium-tin-oxide (ITO) nanostructure Micro electroetching

Effects of serum proteins on corrosion rates and product bioabsorbability of biodegradable metals

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Regenerative Biomaterials 2024年第1期3卷 132-148页

作者： Hongjie Zhang Xin Li Zehua Qu Wanqian Zhang Qunsong Wang Dinglingge Cao Yaoben Wang Xin Wang Yang Wang Lin Yu Jiandong Ding State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai 200438China

Corrodible metals are the newest kind of biodegradable materials and raise a new problem of the corrosion ***,the removal of the precipitated products has been unclear and even largely ignored in ***,we find that albumin,an abundant macromolecule in serum,enhances the solubility of corrosion products of iron in blood mimetic Hank’s solution *** is universal for other main biodegradable metals such as magnesium,zinc and polyester-coated *** also influences corrosion rates in diverse trends in Hank’s solution and normal *** on quantitative study theoretically and experimentally,both the effects on corrosion rates and soluble fractions are interpreted by a unified mechanism,and the key factor leading to different corrosion behaviors in corrosion media is the interference of albumin to the Ca/P passivation layer on the metal *** work has illustrated that the interactions between metals and media macromolecules should be taken into consideration in the design of the next-generation metal-based biodegradable medical devices in the formulism of precision *** improved Hank’s solution in the presence of albumin and with a higher content of initial calcium salt is suggested to access biodegradable metals potentially for cardiovascular medical devices,where the content of calcium salt is calculated after consideration of chelating of calcium ions by albumin,resulting in the physiological concentration of free calcium ions.

关键词： biodegradable metal macromolecule albumin corrosion bioabsorbability iron polylactide magnesium zinc

Engineered Fabrication of Enamel-Mimetic Materials

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Engineering 2022年第7期8卷 113-123页

作者： Lingyun Zhang Yunfan Zhang Tingting Yu Liying Peng Qiannan Sun Bing Han department of Orthodontics Peking University School and Hospital of Stomatology&National Engineering Laboratory for Digital and Material Technology of Stomatology&Beijing Key Laboratory of Digital StomatologyBeijing 100081China

Tooth enamel,which is a biological tissue mainly composed of well-aligned hydroxyapatite nanocrystals and an interlaced protein matrix,has remarkable mechanical and aesthetic ***,it is challenging to regenerate enamel naturally,and potential pulp involvement and tooth loss may *** the hardest biogenic composite material,enamel has long been regarded as a promising load-bearing ***,understanding the enamel formation process and enamel structural motif mechanisms is important for the design and engineering of high-performance biomimetic composites with high strength and physical *** studies have been conducted on mimicking the microstructure and mechanical properties of tooth enamel,and various enamel-like material synthesis protocols have been *** light of the engineering fabrication of enamel-like materials,this review focuses on recent progress in synthetic strategies for enamel-mimetic materials and provides a discussion of the potential applications of these materials.

关键词： Regeneration Remineralization Abiotic enamel Biomimetic