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| 1 | Metaverse:Perspectives from graphics,interactions and visualization显示文摘The metaverse is a visual world that blends the physical world and digital world.At present,the development of the metaverse is still in the early stage,and there lacks a framework for the visual construction and exploration of the metaverse.In this paper,we propose a framework that summarizes how graphics,interaction,and visualization techniques support the visual construction of the metaverse and user-centric exploration.We introduce three kinds of visual elements that compose the metaverse and the two graphical construction methods in a pipeline.We propose a taxonomy of interaction technologies based on interaction tasks,user actions,feedback and various sensory channels,and a taxonomy of visualization techniques that assist user awareness.Current potential applications and future opportunities are discussed in the context of visual construction and exploration of the metaverse.We hope this paper can provide a stepping stone for further research in the area of graphics,interaction and visualization in the metaverse. | Yuheng Zhao Jinjing Jiang Yi Chen Richen Liu Yalong Yang Xiangyang Xue Siming Chen | 2022 | Visual Informatics2022，6，1： | 10 |
| 2 | Some observational results of sea storm current显示文摘 | Xiu Richen, Liu Aiju, Ye Hesong, Gu Yuhe, Xu Lanying (1. First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China 2. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China) | 2001 | Acta Oceanologica Sinica2001，20，2： | 4 |
| 3 | The multistage genesis of the giant Dongshengmiao Zn-Pb-Cu deposit in western Inner Mongolia,China:Syngenetic stratabound mineralization and metamorphic remobilization显示文摘The genesis of the giant Dongshengmiao in the northern margin of the North China Block has been debated since its discovery in the 1950 s,because it shows geological and geochemical characteristics with both syngenetic and epigenetic signatures.It has geological settings and sulfur and lead isotopic compositions that are similar with typical SEDEX(sedimentary exhalative) deposit,while the Zn-Pb-Cu mineralization was controlled by shear deformation and metamorphism,showing similarities with orogenic-type deposits.In this contribution,both the syngenetic and epigenetic features of the Dongshengmiao are envisaged,and accounted for in the context of a genetic model with two metallogenic periods.Massive pyrite at the Dongshengmiao was mostly recrystallized during metamorphism,but finegrained texture was locally preserved,indicating its syngenetic origin.On the contrary,all the Zn-Pb-Cu ores observed in this study show characteristics of epigenetic hydrothermal mineralization that controlled by metamorphism and accompanying shear deformation.The sulfur and lead isotopic compositions of sphalerite and galena indicate that they were in situ remobilized from a syngenetic stratabound source,and the oxygen and hydrogen isotopic ratios of ore-fluid indicate that the large-scale remobilization was assisted by metamorphic fluid.The thermodynamic modeling indicates that the orefluid during remobilization has a great potential of transporting Cu.This may account for the abnormally enriched Cu in the remobilized SEDEX deposit.The metamorphic fluid might strip Cu from the fluid source during devolatilization,and overprint it on the Zn-Pb orebodies during remobilization.A secondary flowthrough modeling reveals that Zn- and Cu-sulfides would be preferentially redistributed in Fe-rich carbonates during remobilization,as a result of fluid-rock interaction.Conclusively,a multistage genetic model is proposed.During the development of the Proterozoic rift,stratabound Zn-Pb mineralization took place in a SEDEX ore-forming system.The syngenetic sulfides subsequently underwent a large-scale fluidassisted remobilization during the early Cretaceous metamorphism and thrusting,forming the shear zone-controlled epigenetic orebodies.During the remobilization process,Cu was scavenged from the source of metamorphic fluid,and deposited accompanying remobilized Zn-Pb sulfides.Shear structures and Fe-rich carbonates are ideal sites for redistribution and re-deposition of remobilized sulfide. | Richen Zhong Wenbo Li | 2016 | Geoscience Frontiers2016，7，3： | 2 |
| 4 | LTSA-LE:A Local Tangent Space Alignment Label Enhancement Algorithm显示文摘According to smoothness assumption,local topological structure can be shared between feature and label manifolds.This study proposes a new algorithm based on Local Tangent Space Alignment(LTSA)to implement the label enhancement process.In general,we first establish a learning model for feature extraction in label space and use a feature extraction method of LTSA to guide the reconstruction of label manifolds.Then,we establish an unconstrained optimization model based on the optimal theory presented in this paper.The model is suitable for solving problems with a large number of sample points.Finally,the experiment results show that the algorithm can effectively improve the training speed and multilabel dataset prediction accuracy. | Chao Tan Genlin Ji Richen Liu Yanqiu Cao | 2021 | Tsinghua Science and Technology2021，26，2： | 2 |
| 5 | Chitinase and chitobiase production during fermentation of genetically improved Serratia liquefaciens显示文摘 | JOSHI S KOZLOWSKI M RICHENS S | 1989 | Enzyme Microb Technol1989，11，： | 1 |
| 6 | Double-blind comparison of lam-otrigine and carbamazepine in newly diagnosed epilepsy显示文摘 | Brodie MJ Richens A Yuen AWC | 1995 | Lancet1995，345，8948： | 1 |
| 7 | Determination of the attitude of 3-D objects from a single perspective view显示文摘 | DHOME M RICHEN M LAPRESTE J T | 1989 | IEEE Transaction on Pattern Analysis and Machine Intelligence1989，11，12： | 1 |
| 8 | Cigarette smoke impairs clearance of apoptotic ceils through oxidant-depend- ent activation of RhoA 显示文摘 | Richens TR Linderman DJ Horstmann SA | 2009 | Am J Respir Crit Care Med2009，179，11： | 1 |
| 9 | Comparison between iron and rut henium reagents mediating Gif Ⅳ- type oxygenation of cyclohexane显示文摘 | MARR S B CARVEL R O RICHENS D T | 2000 | Inorg Chem2000，39，： | 1 |
| 10 | An update on sodium valproate显示文摘 | Rimmer EM Richens A | 1985 | Pharmacotherapy1985，5，3： | 1 |
| 11 | Double-blind comparison of lamotrigine and carbamazepine in newly diagnosed epilepsy显示文摘 | Brodie MJ Richens A Yuen AWC | | 0，，8948： | 1 |
| 12 | Formoterol and isoproterenol induce c-tbs gene expression in osteoblast-like cells by activating beta2-adrenergic receptors显示文摘 | Kellenberger S Muller K Richener H | 1998 | Bone1998，522，5： | 1 |
| 13 | The relationship between the number o{ repetitions performed at givenis different in endurance and strength trained athletes显示文摘 | Richens B Cleather D J | 2014 | Biology of sport2014，31，2： | 1 |
| 14 | Effect of age and gender on pharmacokinetics of atorvastatin in humans显示文摘 | Bron NJ Richens A | 1996 | Clin Pharmacol1996，36，3： | 1 |
| 15 | SMAD4 mutations in colorectal cancer probably occur before chromosomal instability,but after divergence of the microsatellite instability pathway显示文摘 | Woodford Richens KL Rowan AJ Gorman P | 2001 | Proc Natl Acad Sci USA2001，98，17： | 1 |
| 16 | Gif chemistry: new evidence for a non-radical process显示文摘 | Schuchardt U Jannini M J D M Richens D T | 2001 | Tetrahedron2001，57，： | 1 |
| 17 | Amplatzer device closure of a residual aortopulmonary window 显示文摘 | RICHENS T WILSON N | 2000 | Cathet Cardiovasc Intervent2000，50，： | 1 |
| 18 | A finite element model of blunt traumatic aortic rupture 显示文摘 | Richens D Field M Hashim S | 2004 | Eur J Cardiothorac Surg2004，25，6： | 1 |
| 19 | Doubleblind comparison of lamotrigime and carbamazepine in newly diagnosed epilepsy显示文摘 | Brodie MJ Richens A Yuen AWC | 1995 | Lancet1995，，： | 1 |
| 20 | Ventilatory and gas exchange abnormalities on exercise in chronic heart failure 显示文摘 | Carter R Richens D | 1995 | Eur Respir J1995，8，12： | 1 |
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