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浏览/检索结果: 共20条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 A multi-source data fusion modeling method for debris flow prevention engineering 期刊论文  OAI收割 JOURNAL OF MOUNTAIN SCIENCE, 2021, 卷号: 18, 期号: 4, 页码: 1049-1061 作者:  Xu Qing-yang;  Ye Jian;  Lyu Yi-jie   |  收藏  |  浏览/下载：8/0  |  提交时间：2023/08/23 Debris flow prevention  Level of detail  Debris flow simulation  Multi platform fusion  Multi source data fusion   Tree Branch Level of Detail Models for Forest Navigation 期刊论文  OAI收割 COMPUTER GRAPHICS FORUM, 2017, 卷号: 36, 期号: 8, 页码: 402-417 作者:  Zhang, Xiaopeng;  Bao, Guanbo;  Meng, Weiliang;  Jaeger, Marc;  Li, Hongjun   |  收藏  |  浏览/下载：49/0  |  提交时间：2018/10/10 Level Of Detail  Virtual Forests  Real Time  Branch Models  Simplification  i  3  3 [Computer Graphics]: Picture  Image Generationline And Curve Generation   Tree Branch Level of DetailModels for Forest Navigation 期刊论文  OAI收割 Computer Graphics Forum, 2017, 期号: 2017, 页码: 1-16 作者:  Xiaopeng Zhang;  Guanbo Bao;  Weiliang Meng;  Marc Jaeger;  Hongjun Li   |  收藏  |  浏览/下载：34/0  |  提交时间：2017/07/18 Level Of Detail  Virtual Forests  Real Time  Branch Models  Simplification   Efficient level of detail for texture-based flow visualization 期刊论文  OAI收割 COMPUTER ANIMATION AND VIRTUAL WORLDS, 2016, 卷号: 27, 期号: 2, 页码: 123-140 作者:  Lu, Daying;  Zhu, Dengming   |  收藏  |  浏览/下载：25/0  |  提交时间：2019/12/13 level of detail  texture-based visualization  noise optimization  efficient acceleration  smooth animation   大规模复杂场景真实感快速绘制 学位论文  OAI收割 工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2012 作者:  鲍冠伯 收藏  |  浏览/下载：77/0  |  提交时间：2015/09/02 多分辨率模型  图形处理器  实时绘制  实例化绘制  森林植物  Level of detail (LOD)  GPU  real-time rendering  instancing  forest plants   Timing generator of scientific grade CCD camera and its implementation based on FPGA technology (EI CONFERENCE) 会议论文  OAI收割 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, April 26, 2010 - April 29, 2010, Dalian, China 作者:  Li Y.;  Li Y.;  Li Y.;  Li Y. 收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25 The Timing Generator's functions of Scientific Grade CCD Camera is briefly presented: it generates various kinds of impulse sequence for the TDI-CCD  video processor and imaging data output  acting as the synchronous coordinator for time in the CCD imaging unit. The IL-E2TDI-CCD sensor produced by DALSA Co.Ltd. use in the Scientific Grade CCD Camera. Driving schedules of IL-E2 TDI-CCD sensor has been examined in detail  the timing generator has been designed for Scientific Grade CCD Camera. FPGA is chosen as the hardware design platform  schedule generator is described with VHDL. The designed generator has been successfully fulfilled function simulation with EDA software and fitted into XC2VP20-FF1152 (a kind of FPGA products made by XILINX). The experiments indicate that the new method improves the integrated level of the system. The Scientific Grade CCD camera system's high reliability  stability and low power supply are achieved. At the same time  the period of design and experiment is sharply shorted. 2010 Copyright SPIE - The International Society for Optical Engineering.   Multiresolution foliage for forest rendering 期刊论文  OAI收割 COMPUTER ANIMATION AND VIRTUAL WORLDS, 2010, 卷号: 21, 期号: 1, 页码: 1-23 作者:  Deng, Qingqiong;  Zhang, Xiaopeng;  Yang, Gang;  Jaeger, Marc 收藏  |  浏览/下载：32/0  |  提交时间：2015/08/12 tree foliage  level of detail  compression  multi-resolution  rendering  GPU-oriented   An improved method for generating multiresolution animation models (EI CONFERENCE) 会议论文  OAI收割 2009 11th IEEE International Conference on Computer-Aided Design and Computer Graphics, CAD/Graphics 2009, August 19, 2009 - August 21, 2009, Huangshan, China 作者:  Zhang S. 收藏  |  浏览/下载：35/0  |  提交时间：2013/03/25 In computer graphics  animated models are widely used to represent time-varying data. In this paper  we propose an improved method to generate multiresolution animation models. We use a curvature sensitive quadric error metric (QEM) criterion as our basic measurement  which can preserve local features on the surface. We append a deformation weight to the aggregated edge contraction cost for the whole animation to preserve areas with large deformation. At last  we introduce a mesh optimization method to deal with the animation sequence  which can efficiently improve the temporal coherence and reduce visual artifacts. The results show our approach is efficient  easy to implement  and good quality progressive animation models can be generated at any level of detail. 2009 IEEE.   A quantitative scale-setting approach for building multi-scale spatial databases SCI/SSCI论文  OAI收割 2009 作者:  Lu F. 收藏  |  浏览/下载：18/0  |  提交时间：2012/06/08 Spatial database  Multi-scale database  Visualization  Level of detail  vector map data  transmission  model   基于植物模型处理的森林景观实时绘制 学位论文  OAI收割 工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2008 作者:  邓擎琼 收藏  |  浏览/下载：49/0  |  提交时间：2015/09/02 计算机图形学  实时绘制  植物场景  叶片  细节层次模型  computer graphics  real-time rendering  outdoor scene  foliage  level-of-detail