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检索条件"主题词=Ray casting algorithm"
13 条 记 录,以下是1-10 订阅
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Application of ray casting algorithm in Medical Image Enhancement and Edge Detection
Application of Ray Casting Algorithm in Medical Image Enhanc...
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2023 International Conference on Evolutionary algorithms and Soft Computing Techniques, EASCT 2023
作者: Zhang, Zhengyang The First Affiliated Hospital of Hebei North University Zhangjiakou China
The ray casting algorithm plays an important role in improving medical images and edge detection. Medical imaging typically includes a large amount of image data, such as computed tomography, magnetic resonance imagin... 详细信息
来源: 评论
Large-Scale Finite Difference Grid Generation and Visualization Method Based on ray casting algorithm
Large-Scale Finite Difference Grid Generation and Visualizat...
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作者: Tie-chang MA Tian-bao MA Li HAO State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology School of Science Beijing University of Civil Engineering and Architecture
Finite difference method(FDM) is one of the most popular method for explosion ***-scale,accuracy and automatic grid generation is the essential for numerical *** kinds of grid generation method are wildly used:ray cas... 详细信息
来源: 评论
i4Ocean: transfer function-based interactive visualization of ocean temperature and salinity volume data
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International Journal of Digital Earth 2021年 第6期14卷 766-788页
作者: Fenglin Tian Qing Mao Yazhen Zhang Ge Chen Department of Marine Technology Ocean University of ChinaQingdaoPeople’s Republic of China Qingdao National Laboratory for Marine Science and Technology QingdaoPeople’s Republic of China
In this paper,we present a novel ocean visualization framework,which focuses on analyzing multidimensional and spatiotemporal ocean ***-based visualization methods are explored to effectively visualize ocean *** impro... 详细信息
来源: 评论
Multiple-Volume Volumetric Rendering Using Graphic Accelerator  44
Multiple-Volume Volumetric Rendering Using Graphic Accelerat...
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44th Latin American Computing Conference on Informatics (CLEI)
作者: Serapiao, Raphael Leite Ramos, Jeferson Vieira da Rocha Fernandes, Anita Maria UNIVALI Curso Ciencia Comp Campus Kobrasol Sao Jose SC Brazil
Real-time visualization of volumetric data sets demands high computational performance and large in-memory storage capacity. With the technological advance, the means used to acquire these sets, such as Computed Tomog... 详细信息
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Study on Mobile Object Positioning and Alarming System Based on the "Map World" in the Core Area of the Silk Road Economic Belt
Study on Mobile Object Positioning and Alarming System Based...
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International Symposium on Earth Observation for One Belt and One Road (EOBAR)
作者: Mu, Kai Xinjiang Acad Surveying & Mapping Urumqi 830002 Peoples R China Natl Adm Surveying Mapping & Geoinformat Engn Res Ctr Cent Asia Geoinformat Dev & Utilizat Urumqi 830002 Peoples R China 2 Inst Surveying & Mapping Xinjiang Uygur Autonom Urumqi 830002 Peoples R China
The established "Map World" on the National Geographic Information Public Service Platform offers free access to many geographic information in the Core Area of the Silk Road Economic Belt. Considering the s... 详细信息
来源: 评论
An estimate of the time-varying temperature field of the main reflector and subreflector of the Shanghai 65 m radio telescope under solar illumination
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INTERNATIONAL JOURNAL OF STEEL STRUCTURES 2016年 第1期16卷 115-124页
作者: Zhong Jie Qian Hongliang Fan Feng Shen Shizhao Harbin Inst Technol Minist Educ Key Lab Struct Dynam Behav & Control Harbin 150090 Peoples R China Harbin Inst Technol Sch Civil Engn Harbin 150090 Peoples R China Harbin Inst Technol Weihai Dept Civil Engn Weihai 264209 Peoples R China
The time-dependent temperature fields of the reflectors of the Shanghai 65 m radio telescope are investigated numerically, taking account of the non-uniform heating of the reflector surfaces due to solar illumination ... 详细信息
来源: 评论
An octree ray casting algorithm based on Multi-core CPUs
An octree ray casting algorithm based on Multi-core CPUs
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International Symposium on Computer Science and Computational Technology
作者: Gu, Jing Wei, Song Harbin Univ Sci & Technol Inst Comp Sci & Technol Harbin Peoples R China
In order to resolve the tremendous computation and the low speed of ray casting volume rendering, this paper presents an octree ray casting algorithm based on Multi-core CPUs, Through the merger of the same properties... 详细信息
来源: 评论
A clinically feasible method for the detection of potential collision in proton therapy
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MEDICAL PHYSICS 2012年 第11期39卷 7094-7101页
作者: Zou, Wei Lin, Haibo Plastaras, John P. Wang, Huanshu Viet Bui Vapiwala, Neha McDonough, James Tochner, Zelig Both, Stefan Univ Penn Dept Radiat Oncol Philadelphia PA 19104 USA Drexel Univ Dept Mech Engn Philadelphia PA 19104 USA
Purpose: Potential collision between the patient/couch and the gantry could delay the start of the treatment and reduce clinical efficiency. The ability to accurately detect possible collisions during the treatment pl... 详细信息
来源: 评论
SPEEDING-UP RE-SAMPLED algorithm IN ray casting VOLUME RENDERING OF MEDICAL IMAGES
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Transactions of Nanjing University of Aeronautics and Astronautics 2005年 第1期22卷 52-58页
作者: 陶玲 王惠南 田芝亮 南京航空航天大学自动化学院 空军机关医院内科
ray casting algorithm can obtain a better quality image in volume rendering, however, it exists some problems, such as powerful computing capacity and slow rendering speed. How to improve the re-sampled speed is a key... 详细信息
来源: 评论
Fast volume rendering method for 3D seismic volume data
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Jisuanji Fuzhu Sheji Yu Tuxingxue Xuebao/Journal of Computer-Aided Design and Computer Graphics 2005年 第5期17卷 1008-1012页
作者: Ma, Ren'an Zhang, Erhua Yang, Jingyu Department of Computer Science and Engineering Nanjing University of Science and Technology Nanjing 210094 China
This paper presents a novel fast volume rendering method-ISO-value Voxel Projection (IVP) method, specially applied for the interpretation of seismic volume data. The method can be implemented on common PCs, and is le... 详细信息
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