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Vegetation Change Prediction with Geo-Information Techniques in the Three Gorges Area of China 被引量:16
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作者 M. T. JABBAR SHI Zhi-Hua +1 位作者 WANG Tian-Wei CAI Chong-Fa 《Pedosphere》 SCIE CAS CSCD 2006年第4期457-467,共11页
A computerized parametric methodology was applied to monitor, map, and estimate vegetation change in combination with '3S' (RS-remote sensing, GIS-geographic information systems, and GPS-global positioning sys... A computerized parametric methodology was applied to monitor, map, and estimate vegetation change in combination with '3S' (RS-remote sensing, GIS-geographic information systems, and GPS-global positioning system) technology and change detection techniques at a 1:50000 mapping scale in the Letianxi Watershed of western Hubei Province, China. Satellite images (Landsat TM 1997 and Landsat ETM 2002) and thematic maps were used to provide comprehensive views of surface conditions such as vegetation cover and land use change. With ER Mapper and ERDAS software, the normalized difference vegetation index (NDVI) was computed and then classified into six vegetation density classes. ARC/INFO and ArcView software were used along with field observation data by GPS for analysis. Results obtained using spatial analysis methods showed that NDVI was a valuable first cut indicator for vegetation and land use systems. A regression analysis revealed that NDVI explained 94.5% of the variations for vegetation cover in the largest vegetation area, indicating that the relationship between vegetation and NDVI was not a simple linear process. Vegetation cover increased in four of areas. This meant 60.9% of land area had very slight to slight vegetation change, while 39.1% had moderate to severe vegetation change. Thus, the study area, in general, was exposed to a high risk of vegetation cover change. 展开更多
关键词 geo-information techniques vegetation change vegetation indices
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Low-cost cloud computing solution for geo-information processing 被引量:3
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作者 高培超 刘钊 +1 位作者 谢美慧 田琨 《Journal of Central South University》 SCIE EI CAS CSCD 2016年第12期3217-3224,共8页
Cloud computing has emerged as a leading computing paradigm,with an increasing number of geographic information(geo-information) processing tasks now running on clouds.For this reason,geographic information system/rem... Cloud computing has emerged as a leading computing paradigm,with an increasing number of geographic information(geo-information) processing tasks now running on clouds.For this reason,geographic information system/remote sensing(GIS/RS) researchers rent more public clouds or establish more private clouds.However,a large proportion of these clouds are found to be underutilized,since users do not deal with big data every day.The low usage of cloud resources violates the original intention of cloud computing,which is to save resources by improving usage.In this work,a low-cost cloud computing solution was proposed for geo-information processing,especially for temporary processing tasks.The proposed solution adopted a hosted architecture and can be realized based on ordinary computers in a common GIS/RS laboratory.The usefulness and effectiveness of the proposed solution was demonstrated by using big data simplification as a case study.Compared to commercial public clouds and dedicated private clouds,the proposed solution is more low-cost and resource-saving,and is more suitable for GIS/RS applications. 展开更多
关键词 cloud computing geo-information processing geo-processing
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Land Degradation Due to Salinization in Arid and Semi-arid Regions with the Aid of Geo-information Techniques 被引量:3
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作者 MushtakT. Jabbar CHEN Xiaoling 《Geo-Spatial Information Science》 2008年第2期112-120,共9页
This study applied a computerized parametric methodology to monitor, map, and quantify land degradation by salinization risk detection techniques at a 1:250 000 mapping scale using geo-information technology. The nor... This study applied a computerized parametric methodology to monitor, map, and quantify land degradation by salinization risk detection techniques at a 1:250 000 mapping scale using geo-information technology. The northern part of the Shaanxi province in China was taken as a case. Multi-temporal remotely sensed materials of both Landsat TM and thematic maps (ETM+) were used as the bases to provide comprehensive views of surface conditions such as vegetation cover and salinization detection. With ERDAS ver. 9.1 software, the Normalized Differential Salinity Index (NDSl) and Salinity Index (S.I.) were computed and then evaluated for land degradation by salinization. Arc/Info ver. 9.2 software was used along with field observation data (GPS) for analysis. Using spatial analysis methods, results showed that 19 973.1 km^2 (72%) of land had no risk of land degradation by salinization, 3 684.7 km^2 (13%) had slight land degradation by salinization risk, 2 797.9 km^2 (10%) had moderate land degradation by salinization risk, and 1 218.9 km^2 (4%) of the total land area was at a high risk of land degradation by salinization. The study area, in general, is exposed to a high risk of soil salinization. 展开更多
关键词 geo-information techniques land degradation soil salinization indices
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Dynamic Change Analysis of Urban Green Land in Jinan City Based RS and Geo-information Tupu 被引量:2
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作者 XU Qiu-xiao 《Asian Agricultural Research》 2011年第1期90-92,共3页
The three-period (1995, 1998 and 2003) remote sensing images in Jinan City, China are selected. And the information of green land, construction land, woodland and water body is extracted by using the image processing ... The three-period (1995, 1998 and 2003) remote sensing images in Jinan City, China are selected. And the information of green land, construction land, woodland and water body is extracted by using the image processing module of remote-sensing software and computerized interpretation module. Both the change table and transfer matrix table of land use area are analyzed by modeling module of remote-sensing software. Then, the Geo-information Tupu is obtained; and the temporal and spatial variation of land use in Jinan City is monitored and analyzed by Geo-information Tupu and transfer matrix. Result shows that land use structure change of Jinan City in the years 1995-1998 shows a transformation from green land to construction land. Area of green land circulating into construction land reaches 62.27 square kilometers, accounting for 25.84% of the initial green land. In the year 1998, areas of woodland and green land are reduced due to the urban expansion of Jinan City. However, with the enhancement of people's awareness of environmental protection, areas of woodland and green land gradually increase in the year 2003, which are still less than those in the year 1995. 展开更多
关键词 Remote sensing geo-information Tupu Dynamic change of the green land Jinan City China
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Constructing Geo-information Sharing Architecture
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作者 LIU Qiang CHENG Boyan 《Geo-Spatial Information Science》 2006年第3期206-209,共4页
Along with the development of Internet, geo-information sharing and Open GIS are of increasing importance for GIS application fields. Southwestern China consists of several provinces or districts, they are Sichuan, Gu... Along with the development of Internet, geo-information sharing and Open GIS are of increasing importance for GIS application fields. Southwestern China consists of several provinces or districts, they are Sichuan, Guizhou, Yunnan, Chongqing, etc. The economic and information cooperation among them are of significance. The pilot platform for resource and environment geo-information sharing for the southwestern China based on Web services, OGC(Open GIS Consortium) WFS(Web feature service) is constructed. Via this pilot platform, a loose information sharing mode can be implemented to improve their cooperation level. 展开更多
关键词 open GIS Web services geo-information sharing WFS
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FL-Online:An x-ray crystallographic web-server for atomic-scale structure analysis of biomolecule
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作者 王宾堂 牛彤欣 +1 位作者 范海福 丁玮 《Chinese Physics B》 SCIE EI CAS CSCD 2024年第7期37-42,共6页
FL-Online(http://fanlab.ac.cn) is an out-of-box modern web service featuring a user-friendly interface and simplified parameters, providing academic users with access to a series of online programs for biomolecular cr... FL-Online(http://fanlab.ac.cn) is an out-of-box modern web service featuring a user-friendly interface and simplified parameters, providing academic users with access to a series of online programs for biomolecular crystallography, including SAPI-online, OASIS-online, C-IPCAS-online and a series of upcoming software releases. Meanwhile, it is a highly scalable and maintainable web application framework that provides a powerful and flexible solution for academic web development needs. All the codes are open-source under MIT licenses in GitHub. 展开更多
关键词 graphical web service OASIS IPCAS direct methods protein crystallography
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Application of Perceived Teaching with Moderate Elimination of“Graphics”in Architectural Design Courses
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作者 LIU Hongyun WANG Xingyi +2 位作者 LI Tianjiao CHEN Yongsheng ZHANG Wenming 《Journal of Landscape Research》 2024年第1期43-47,共5页
Starting from the traditional form of“graphic”architectural education,this paper explores a teaching method of entity construction experience,instrument assistance,and digital virtual expression symbiosis symbiosis ... Starting from the traditional form of“graphic”architectural education,this paper explores a teaching method of entity construction experience,instrument assistance,and digital virtual expression symbiosis symbiosis from three aspects:environmental perception,ontology perception,and extension perception.Using physical perception as a medium,and gradually rising from active perception to a comprehensive expression of visual audience perception through practical operation,it allows students to have a more comprehensive understanding of the meaning of architectural design on the basis of the“graphic”expression paradigm. 展开更多
关键词 graphicS Beaux-Arts system Perceived teaching Digital technique Constructing Experience
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The Problems and Countermeasures in the Teaching of Graphic Design Majors in Universities
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作者 Chengmin Xiong 《Journal of Contemporary Educational Research》 2024年第8期20-25,共6页
As a cradle for cultivating and delivering graphic design professionals,the graphic design major in universities should keep up with the times,guided by the“Opinions on Deepening Undergraduate Education and Teaching ... As a cradle for cultivating and delivering graphic design professionals,the graphic design major in universities should keep up with the times,guided by the“Opinions on Deepening Undergraduate Education and Teaching Reform,and Comprehensively Improving the Quality of Talent Cultivation,”deepen teaching reform,and enhance the quality of talent cultivation.Based on this,this article analyzes the existing problems in the teaching of graphic design major and actively explores its teaching reform path,in order to promote the in-depth implementation of graphic design major teaching and even the entire graphic design teaching reform,comprehensively improve the quality of graphic design talent cultivation,and promote the great reform and development of higher education. 展开更多
关键词 UNIVERSITIES graphic design PROBLEM COUNTERMEASURE
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Research on Dynamic Graphic Features in Digital Media Interfaces
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作者 Yingquan Wang 《Journal of Electronic Research and Application》 2024年第2期103-108,共6页
In digital media interfaces,dynamic graphics integrate elements of animation design,graphic design,and cinematic language,presenting in various forms and demonstrating significant inclusivity.From the perspective of v... In digital media interfaces,dynamic graphics integrate elements of animation design,graphic design,and cinematic language,presenting in various forms and demonstrating significant inclusivity.From the perspective of visual cognition,by capturing dynamic graphics within the interface,three-dimensional information such as time and space is acquired,and the cognition process exhibits characteristics of spatial and temporal correlation.In terms of information cognition,dynamic representation fragments information,resulting in a sense of discontinuity and intermittent memory.The efficiency of information cognition and transmission is enhanced through the coordination of audio,video,and other elements.In aesthetic perception,with the rise of Internet culture,people’s aesthetic perceptions towards dynamic graphic design have evolved,showcasing a generalization of form and the instantaneous nature of content.Technically,the complexity of design and the diversity of applications have established dynamic graphics as a typical design style label in digital media interfaces. 展开更多
关键词 Digital media Dynamic graphics Visual cognition Information cognition Aesthetic perception
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Interactive Media Visual Interpretation of Traditional Chinese Graphics in Urban Public Spaces
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作者 Fu Zhang 《Journal of Electronic Research and Application》 2024年第3期42-46,共5页
This paper focuses on the application of interactive media technology in the visual interpretation of traditional graphic urban public spaces in China.Case studies and practical exploration show that interactive media... This paper focuses on the application of interactive media technology in the visual interpretation of traditional graphic urban public spaces in China.Case studies and practical exploration show that interactive media technologies such as projection mapping,interactive devices,virtual reality technology,etc.,have realized the diversity of traditional graphics display forms in urban public space.The rich interactive experience design enhances the sense of participation and experience of urban citizens and tourists and promotes the visual culture transmission of traditional Chinese graphics.The future urban public space exhibition is destined to continue to deepen the integration of technology and graphics,promote the visual communication of traditional Chinese graphics visual interpretation in urban public space,and promote sustainable innovation in cultural output in urban public space exhibitions around the world. 展开更多
关键词 Motion graphic design Public space Interactive media technology
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虚拟仪器平台下旋转机械振动应用研究
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作者 曹慧 张锐英 +1 位作者 潘琦 方遒 《太原学院学报(自然科学版)》 2025年第1期63-70,共8页
利用LabVIEW软件图形化程序和可视化前面板,基于旋转机械结构和运动特点构建虚拟仪器仿真平台基本框架,设计了与真实仪器功能相当的旋转机械齿轮振动虚拟仿真研究平台。通过仿真验证,齿轮振动虚拟仿真平台能够有效采集振动信号,并对振... 利用LabVIEW软件图形化程序和可视化前面板,基于旋转机械结构和运动特点构建虚拟仪器仿真平台基本框架,设计了与真实仪器功能相当的旋转机械齿轮振动虚拟仿真研究平台。通过仿真验证,齿轮振动虚拟仿真平台能够有效采集振动信号,并对振动信号特征进行提取和分析,测试结果与旋转机械齿轮实际振动情况一致。开发的虚拟仿真平台达到了预期功能目标,为旋转机械关键部件振动检测和故障诊断提供了可视化技术支持,降低了旋转机械故障检测成本。 展开更多
关键词 齿轮振动 虚拟仪器 图形化程序 前面板 频谱分析
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星间差分GRAPHIC观测量单频精密单点定位算法 被引量:3
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作者 阮仁桂 吴显兵 +1 位作者 冯来平 王夕伟 《测绘科学技术学报》 北大核心 2012年第1期24-27,共4页
提出了一种基于星间差分GRAPHIC观测量的单频精密单点定位算法,采用正反向滤波实现了静态和动态解算功能。该算法的优点是不需要外部电离层模型进行电离层延迟改正。采用4个IGS站7d的数据和一组机载GPS动态数据进行解算实验,结果表明:... 提出了一种基于星间差分GRAPHIC观测量的单频精密单点定位算法,采用正反向滤波实现了静态和动态解算功能。该算法的优点是不需要外部电离层模型进行电离层延迟改正。采用4个IGS站7d的数据和一组机载GPS动态数据进行解算实验,结果表明:静态定位E,N和U方向的RMS分别为0.035,0.007和0.080m;动态定位E,N和U方向的RMS分别为0.117,0.122和0.180m。 展开更多
关键词 单频精密单点定位 graphic观测量 星间差分 正反向滤波 精度分析
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确定的实践和不确定的解读——“Motion Graphics”概念解析 被引量:9
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作者 童江涛 《艺术百家》 CSSCI 北大核心 2012年第2期240-241,共2页
Motion Graphics是随着现代影像艺术产生而产生,并随着科技进步而不断发展的一种新的艺术表现形式。目前国内学术界对它概念的理解上尚存歧义。本文通过引用国内外对Motion Graphics概念的讨论,从中寻求合理的解析,以引起更多的关注和... Motion Graphics是随着现代影像艺术产生而产生,并随着科技进步而不断发展的一种新的艺术表现形式。目前国内学术界对它概念的理解上尚存歧义。本文通过引用国内外对Motion Graphics概念的讨论,从中寻求合理的解析,以引起更多的关注和研究。 展开更多
关键词 影像艺术 MOTION graphicS 运动图形 动态影像
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专访Mentor Graphics公司董事长兼首席执行官Wally Rhines 预测半导体的下一波浪潮 被引量:3
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作者 王莹 《电子产品世界》 2016年第10期1-6,共6页
半导体/集成电路业正处于哪个阶段,EDA业将何去何从?中国IC设计业的特点如何?日前在京举行的Mentor Forum(明导技术论坛)上,Mentor Graphics公司董事长兼首席执行官Wally Rhines进行了精彩讲演,并接受了《电子产品世界》的采访。另悉,Wa... 半导体/集成电路业正处于哪个阶段,EDA业将何去何从?中国IC设计业的特点如何?日前在京举行的Mentor Forum(明导技术论坛)上,Mentor Graphics公司董事长兼首席执行官Wally Rhines进行了精彩讲演,并接受了《电子产品世界》的采访。另悉,Wally先生刚刚获得了被誉为EDA业诺贝尔奖的"2015 Phi Kaufman Award(菲尔·卡夫曼奖)",也谨以此文向他表示祝贺与敬意! 展开更多
关键词 graphicS 半导体 董事长 首席执行官 波浪 预测 集成电路 技术论坛
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Mentor Graphics软硬件协同仿真测试引领验证3.0时代 被引量:1
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作者 杨迪娜 《单片机与嵌入式系统应用》 2014年第10期84-84,共1页
我们已步入物联网时代,互联互通的物物连接方式正在大力地革新人们传统的生活方式,从可记录睡眠状态和自身健康的可穿戴手环,到能自动调节家庭温度的 Nest温控器,再到自动记录数据的智能电表及正在流行的环保电动汽车Telsa等,物联... 我们已步入物联网时代,互联互通的物物连接方式正在大力地革新人们传统的生活方式,从可记录睡眠状态和自身健康的可穿戴手环,到能自动调节家庭温度的 Nest温控器,再到自动记录数据的智能电表及正在流行的环保电动汽车Telsa等,物联网时代的产物逐渐成为人们的必需应用产品。人们对联网设备及其提供的大数据信息的依赖不断增加,但随之而来的数据泄露、黑客攻击、网银账户密码的泄露等问题层出不穷,物联网生态系统的安全隐患成为产品设计师和用户们最为关注的焦点。 展开更多
关键词 graphicS 软硬件协同 仿真测试 验证 物联网 生活方式 连接方式 睡眠状态
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Oracle*Forms与Oracle*Graphics的集成技术
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作者 刘义 高文 《计算机应用与软件》 CSCD 北大核心 2001年第10期15-17,64,共4页
本文将研究Oracle * Forms与Oracle * Graphics集成的作用和机制,并结合典型实例着重介绍使用OG.PLL.集成Oracle *Forms与Oracle * Graphics的方法和步骤。
关键词 文本参数 数据参数 Oracle*Forms Oracle*graphics 集成 数据库
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Graphical Simulator for Chinese Ink-Wash Drawing 被引量:4
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作者 王秀锦 焦景山 孙济洲 《Transactions of Tianjin University》 EI CAS 2002年第1期1-7,共7页
Simulating the traditional painting art by computer graphics is a challenging and attractive subject. Basing on the experience in the ink wash drawing, in this paper, we expound the artistic characters of ink wash p... Simulating the traditional painting art by computer graphics is a challenging and attractive subject. Basing on the experience in the ink wash drawing, in this paper, we expound the artistic characters of ink wash painting and particularly analyze the characteristics of the materials used in the ink wash drawing and the relationships between them. A simulation model is presented and some typical visual effects of the ink wash painting are realized. 展开更多
关键词 Chinese ink wash drawing computer art simulation model graphicS
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在ORACLE*Graphics中使用图象和声音的技术
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作者 穆斌 《计算机应用研究》 CSCD 1997年第3期52-53,共2页
本文首先对ORACLE*Graphics作一简略介绍。接着叙述了进口图象和出口图形的方法。
关键词 图象 声音 ORACLE graphicS 软件工具
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广告设计创意新语言——Motion Graphics 被引量:1
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作者 覃钰斐 《美术教育研究》 2013年第13期83-84,共2页
高科技引领数字技术产生日新月异的变化,伴随新的传播媒介不断创造新的表现形式,Motion Graphics诞生在现代影像艺术当中。作为一种新的设计表现形式,Motion Graphics日趋受到现代广告设计领域的喜爱,成为现代广告设计创意手法的新宠。... 高科技引领数字技术产生日新月异的变化,伴随新的传播媒介不断创造新的表现形式,Motion Graphics诞生在现代影像艺术当中。作为一种新的设计表现形式,Motion Graphics日趋受到现代广告设计领域的喜爱,成为现代广告设计创意手法的新宠。虽然目前国内学术界对于Motion Graphics的概念仍没有明确界定,却不能阻挡它在学者及设计师们不断研究和大胆尝试中得到关注和发展。文章试通过对Motion Graphics的概念讨论、发展应用及跨界趋势等方面进行探析,以推动新的广告设计观念不断成熟,为其发展提供更广的空间。 展开更多
关键词 MOTION graphicS 运动图形 广告设计 创意语言
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基于Motion Graphic设计的视频短片
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作者 燕杰 《湖南包装》 2015年第3期90-92,99,共4页
对Motion Graphic即动态图形设计,是平面设计的延伸。文章简要阐述了Motion Graphic的创作及设计制作的特点,并通过一个完整的视频影片制作过程,展示Motion Graphic在动画动作设计、镜头场景设计等方面的使用,研究并深入分析Motion Grap... 对Motion Graphic即动态图形设计,是平面设计的延伸。文章简要阐述了Motion Graphic的创作及设计制作的特点,并通过一个完整的视频影片制作过程,展示Motion Graphic在动画动作设计、镜头场景设计等方面的使用,研究并深入分析Motion Graphic动态图形设计在动画创作中的具体应用,使理论通过实践得以展现。 展开更多
关键词 MOTION graphic 运动 场景
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