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NPRportrait 1.0:A three-level benchmark for non-photorealistic rendering of portraits

Computational Visual Media 2022年第3期8卷 445-465页

作者： Paul L.Rosin Yu-Kun Lai David Mould Ran Yi itamar berger Lars Doyle Seungyong Lee Chuan Li Yong-Jin Liu Amir Semmo Ariel Shamir Minjung Son Holger Winnemöller School of Computer Science and Informatics Cardiff UniversityCardiffUK School of Computer Science Carleton UniversityOttawaCanada Department of Computer Science and Technology Tsinghua UniversityBeijingChina Reichman University(the Interdisciplinary Center) HerzliyaIsrael Department of Computer Science and Engineering Pohang University of Science and TechnologyPohangRepublic of Korea Lambda Labs Inc.San FranciscoUSA Hasso Plattner Institute University of PotsdamPotsdamGermany Multimedia Processing Laboratory Samsung Advanced Institute of TechnologySuwonRepublic of Korea Adobe Systems Inc.San JoseUSA

Recently,there has been an upsurge of activity in image-based non-photorealistic rendering(NPR),and in particular portrait image stylisation,due to the advent of neural style transfer(NST).However,the state of performance evaluation in this field is poor,especially compared to the norms in the computer vision and machine learning communities.Unfortunately,the task of evaluating image stylisation is thus far not well defined,since it involves subjective,perceptual,and aesthetic aspects.To make progress towards a solution,this paper proposes a new structured,threelevel,benchmark dataset for the evaluation of stylised portrait images.Rigorous criteria were used for its construction,and its consistency was validated by user studies.Moreover,a new methodology has been developed for evaluating portrait stylisation algorithms,which makes use of the different benchmark levels as well as annotations provided by user studies regarding the characteristics of the faces.We perform evaluation for a wide variety of image stylisation methods(both portrait-specific and general purpose,and also both traditional NPR approaches and NST)using the new benchmark dataset.

关键词： non-photorealistic rendering(NPR) image stylization style transfer portrait evaluation benchmark

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Multicolor Circularly Polarized Luminescence of a Single-Component System Revealing Multiple Information Encryption

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CCS Chemistry 2024年第2期6卷 518-527页

作者： Ying Hu Zizhao Huang itamar Willner Xiang Ma Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic ChemistrySchool of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237 Institute of Chemistry The Center for Nanoscience and NanotechnologyThe Hebrew University of JerusalemJerusalem 91904

Metal-free materials with multicolor tunable circularly polarized luminescence(CPL)are attractive because of their potential applications in information storage and encryption.Here,we designed two enantiomers composed of chiral dialkyl glutamides and achiral vibration-induced emission(VIE)moiety,which can switch on CPL after a simple gelation process.It is noteworthy that the CPL colors vary in different solvents,and this is attributed to various self-assembly-induced microstructures,in which the VIE moiety is restrained to different degrees.Accordingly,a multidimensional code system composed of a quick response code,a ultraviolet(UV)light-activated color code,and a CPL information figure was constructed.To our satisfaction,the system possesses multiple information-storage functions.The orthogonal anticounterfeiting and CPLenhanced encryption functions also improve the system information encryption ability.In brief,this study provides a practical example of CPL applied to information security and an effective approach to obtain a single-component color-tunable CPL material with multiple information storage and encryption functions as well.

关键词： circularly polarized luminescence information storage and encryption multicolor tunable single component vibration-induced emission

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Advancing Malaria Prediction in Uganda through AI and Geospatial Analysis Models

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Journal of Geographic Information System 2024年第2期16卷 115-135页

作者： Maria Assumpta Komugabe Richard Caballero itamar Shabtai Simon Peter Musinguzi Center for Information Systems & Technology Claremont Graduate University Claremont California USA Department of Information Technology Faculty of Business and ICT University of Kisubi Entebbe Uganda Faculty of Health Sciences University of Kisubi Entebbe Uganda Department of Agriculture Production Faculty of Agriculture Kyambogo University Kyambogo Uganda Department of Agriculture and Natural Sciences Faculty of Agriculture Uganda Martyrs University Kampala Uganda

The resurgence of locally acquired malaria cases in the USA and the persistent global challenge of malaria transmission highlight the urgent need for research to prevent this disease. Despite significant eradication efforts, malaria remains a serious threat, particularly in regions like Africa. This study explores how integrating Gregor’s Type IV theory with Geographic Information Systems (GIS) improves our understanding of disease dynamics, especially Malaria transmission patterns in Uganda. By combining data-driven algorithms, artificial intelligence, and geospatial analysis, the research aims to determine the most reliable predictors of Malaria incident rates and assess the impact of different factors on transmission. Using diverse predictive modeling techniques including Linear Regression, K-Nearest Neighbor, Neural Network, and Random Forest, the study found that;Random Forest model outperformed the others, demonstrating superior predictive accuracy with an R2 of approximately 0.88 and a Mean Squared Error (MSE) of 0.0534, Antimalarial treatment was identified as the most influential factor, with mosquito net access associated with a significant reduction in incident rates, while higher temperatures correlated with increased rates. Our study concluded that the Random Forest model was effective in predicting malaria incident rates in Uganda and highlighted the significance of climate factors and preventive measures such as mosquito nets and antimalarial drugs. We recommended that districts with malaria hotspots lacking Indoor Residual Spraying (IRS) coverage prioritize its implementation to mitigate incident rates, while those with high malaria rates in 2020 require immediate attention. By advocating for the use of appropriate predictive models, our research emphasized the importance of evidence-based decision-making in malaria control strategies, aiming to reduce transmission rates and save lives.

关键词： Malaria Predictive Modeling Geospatial Analysis Climate Factors Preventive Measures

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Construction of a Homogeneous Enzyme-Free Autocatalytic Nucleic Acid Machinery for High-Performance Intracellular Imaging of MicroRNA

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CCS Chemistry 2022年第11期4卷 3549-3562页

作者： Jie Wei Jinhua Shang Shizhen He Yu Ouyang itamar Willner Fuan Wang College of Chemistry and Molecular Sciences Wuhan UniversityWuhan 430072 Institute of Chemistry The Hebrew University of JerusalemJerusalem 91904

Enzyme-free autocatalytic nucleic acidmachinery has been widely used to engineer various self-assembled nanostructures as well as high-performance bioanalysis,yet has rarely been realized in live cells for complicated design,low robustness,and limited reliability.Herein,we constructed simple yet versatile enthalpy-driven autocatalytic hybridization chain reaction(AHCR)machinery with high reliability and robustness for in situ microRNA analysis in live cells.The homogeneous AHCR machine was composed of two differently designed HCR modules,the lead-in HCR-1 amplification module,and the reverse HCR-2 feedback module.After the AHCR amplification system was delivered into live cells,target microRNA stimulated the autonomous cross-invasion of the HCR-1 module and the HCR-2 module for assembling hyperbranched dsDNA nanostructures with synergistically amplified Förster resonance energy transfer readout,thus enabling accurate intracellular micro-RNA imaging.The synergistic AHCR execution was systematically investigated by a series of experimental studies and computer-aided theoretical simulations.The multiple recognition capacity of HCR constituents and the successive signal amplification of the AHCR machine enabled the accurate intracellular microRNA imaging with precise signal localization inside living cells.Based on its intriguing and modular design,the AHCR machinery can be extended for analyzing diverse biomarkers,thus supplementing a powerful toolbox for clinical diagnosis and therapeutic assessment.

关键词： DNA nanotechnology sensor autocatalysis fluorescence imaging DNA circuit

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不同花粉来源对一年生植物种子性状和扩散能力的影响

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Journal of Plant Ecology 2021年第3期14卷 425-437页

作者： Efrat Dener Hagai Shemesh itamar Giladi Albert Katz International School for Desert Studies Jacob Blaustein Institutes for Desert ResearchBen Gurion University of the NegevSede Boqer Campus8499000 Midreshet Ben-GurionIsrael Mitrani Department of Desert Ecology Swiss Institute for Dryland Environmental and Energy ResearchJacob Blaustein Institutes for Desert ResearchBen-Gurion University of the Negev8499000 Midreshet Ben-GurionIsrael Department of Environmental Sciences Tel-Hai CollegeQiryat Shemona 12208Israel

与扩散有关的性状进化和表达与其他生活史功能交织在一起,并在各种生理约束条件下表现出来。这种关系可以在近交水平和扩散性之间得到预测,而且在解剖学和个体发育上联系在一起,从而使某个选择压力可能影响另外的一个。虽然近交对生殖... 详细信息

与扩散有关的性状进化和表达与其他生活史功能交织在一起,并在各种生理约束条件下表现出来。这种关系可以在近交水平和扩散性之间得到预测,而且在解剖学和个体发育上联系在一起,从而使某个选择压力可能影响另外的一个。虽然近交对生殖成功和扩散策略的影响都引起了广泛关注,但只有少数研究同时考虑了这两者。此外,此类研究通常依赖于繁殖和扩散的表示:使用自交与异源杂交表示繁殖水平,使用扩散比表示扩散策略。本研究利用菊科Qep/ssancta的授粉实验,以两种不同的方式扩展繁殖和扩散的二分表示法。首先,我们使用授粉处理来表示一种统一连续体,即从亲缘授粉的自交到距离较远的邻居授粉。其次,我们不仅测量了繁殖成功率和扩散比,还测量了一整套连续的与形态和扩散相关的性状。研究结果显示,头状花序的比例,以及扩散的和非扩散的瘦果在自花传粉处理中都显著低于异源杂交处理。尽管自花授粉的植物很少产生不扩散的种子,但花粉来源对扩散比的影响统计上不显著。瘦果的生物量随亲本植物之间的距离增加而增加,但冠毛宽度没有增加,从而导致授粉对下落速度的影响不显着。总之,花粉来源主要影响与生殖产量有关的性状,但对主要与扩散有关的性状没有显著影响。繁殖和扩散性状对花粉来源变化响应的这种差异表明,与扩散有关的选择可能很弱和/或被其他因素所掩盖。

关键词：扩散果实异形性下落速度授粉近交衰退

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Functional DNA Structures and Their Biomedical Applications

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CCS Chemistry 2020年第5期2卷 707-728页

作者： Ziyuan Li Chen Wang Jiang Li Junji Zhang Chunhai Fan itamar Willner He Tian Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research CenterSchool of Chemistry and Molecular EngineeringEast China University of Science&TechnologyShanghai 200237(China) Institute of Chemistry The Minerva Center for Biohybrid Complex SystemsThe Hebrew University of JerusalemJerusalem 91904(Israel) Bioimaging Center Shanghai Synchrotron Radiation FacilityZhangjiang LaboratoryShanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210(China) School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative MoleculesShanghai Jiao Tong UniversityShanghai 200240(China)

Since the discovery of the double-helix structure in 1953,nucleic acids have been developed from natural genetic codes into functional building blocks in a wide range of biotechnology and materials sciences.Taking advantage of their design diversity and biocompatibility,functional nucleic acids facilitate the“bottom-up”fabrication of nanomaterials that are highly potential for molecular medicine to treat different diseases,such as cancers.The present perspective article introduces recent advances in the use of these unique properties of nucleic acid biopolymers for biomedical applications.Specifically,nanomaterial/nucleic acid hybrid structures for sensing,controlled drug release,programmable intracellular imaging,and apoptosis,as well as logic calculation,are discussed.Furthermore,the detailed operation for both extracellular and intracellular bioactivity regulation with these new design functional nucleic acid nanostructures are fully illustrated.

关键词： nucleic acid nanomaterial/DNA hybrid DNA nanostructures DNA logic cell regulation

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Towards a Harmonious Western China:A Critical Review on xibu dakaifa and the Border Trade

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Asian Journal of Middle Eastern and Islamic Studies 2009年第3期3卷 57-72页

作者： itamar Y.Lee The Institute of Defence Studies and Analyses(IDSA) New DelhiIndia

The development of Western China has strategic implications not only for China’s domestic politico-economic stability but also for the peace in the neighboring regions as well as for changing shifts of global power architecture.This paper intends to critically review current reality of economic development in Western China and the trend of border trade with the neighboring regions including Central Asia,Southeast Asia,and South Asia,while arguing that general trend of xibu dakaifa,Western China development program,has been uneven and asymmetric in a paradoxical way.It is necessary,thus,to search for a balanced development plan for Western China with a global outlook especially linking China to the Middle East via Central Asia and South Asia.

关键词： Western China the Border Trade Harmonious Development

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A Book Review:The Middle East in the Eyes of Japan

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Asian Journal of Middle Eastern and Islamic Studies 2010年第1期4卷 116-118,I0007页

作者： itamar Y.Lee Institute for Defence Studies and Analyses New Delhi

If one wants to understand the interactions between East Asia and the Middle East,the Japanese discovery and reinterpretation of the Middle East,as a useful link,should be reviewed in a gingerly manner.The book,Nihonjin no chūtou hakken(The Japanese Discovery of the Middle East)by Hideaki Sugita(杉田英明),Professor at the Graduate School of Arts and Sciences,University of Tokyo,Japan,would offer unique and interesting clues in linking Japan to the Middle East with a comparative perspective.

关键词： Middle Japan East

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The Impact of Information Technology on Admission Decisions

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Computer Technology and Application 2011年第7期2卷 539-544页

作者： Ofir Ben-Assuli Moshe Leshno itamar Shabtai The Faculty of Business Administration Ono Academic College Kiryat Ono 55451 Israel The Faculty of Management Tel-Aviv University Tel-Aviv 69978 Israel The School of Economics College of Management Academic Studies Rishon LeZion 75490 Israel

Information systems have been adopted in many fields including the health industry. Indeed, keeping abreast of the advances of the technological age, many medical organizations have invested heavily in information technologies (IT), aiming at improving medical decision-making and increasing its efficiency. Despite their obvious advantages, the systems do not always immediately provide the vital medical information required for critical decision-making, and the decisions that are based on this partial information may result in a decreased level of quality of care and unnecessary costs. The objective of this research is to evaluate the contribution of IT to decision-makers (physicians) at the point of care of emergency departments (EDs) by investigating whether the information systems (IS) have improved the medical outcomes, in the complex and highly stressful environment of the ED, with time constraints and overcrowding. The authors evaluated the contribution of the medical information to admission decisions by using the track log-file analysis method. The results were obtained using a unique database containing referrals to the ED from seven main hospitals in Israel. The authors’ results lead to the major conclusion that viewing medical history contributes to admission decisions and clearly reduces the number of avoidable admissions.

关键词：信息技术录取信息系统医疗机构医疗信息环境教育决策者健康产业

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中国临床心理学杂志 2016年第3期24卷 444-449页

作者：池田真理侯志瑾刘艺羚李栩 itamar Gati 北京师范大学心理学院北京100875 马里兰大学耶路撒冷希伯来大学

目的：修订情绪一人格相关生涯决策困难问卷短版（EPCD-SF）以适用于中国大学生使用。方法：选取540名中国大学生填写中文版EPCD-SF量表，采用职业未决量表、特质焦虑量表，职业认同量表作为效度指标。一个月后随机抽取80名大学生进行... 详细信息

目的：修订情绪一人格相关生涯决策困难问卷短版（EPCD-SF）以适用于中国大学生使用。方法：选取540名中国大学生填写中文版EPCD-SF量表，采用职业未决量表、特质焦虑量表，职业认同量表作为效度指标。一个月后随机抽取80名大学生进行重测。结果：①最终量表共23个题目，包括悲观看法、焦虑、自我概念与认同三个大维度。②量表的拟合指数为：x2=381．13，df=157，CFI=0．93，TLI=0．91，RMSEA=0．05，SRMR=O．05；③总量表的内部一致性信度为0．86、重测信度为0．87，三个维度的内部一致性信度分别为0．66、0．78、0．74，重测信度为0．71、0．85、0．73。④EPCD-SF具有良好的效标关联效度。结论：EPCD-SF中文版本具有较好的信度和效度，可以应用于中国内地大学生生涯发展的研究。

关键词：大学生生涯决策困难人格信度效度

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