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检索条件"主题词=Algorithm development"
1737 条 记 录,以下是521-530 订阅
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Extended volume coverage in helical cone-beam CT by using PI-line-based BPF algorithm
Extended volume coverage in helical cone-beam CT by using PI...
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Medical Imaging 2007 Conference
作者: Cho, Seungryong Pan, Xiaochuan Univ Chicago Dept Radiol Chicago IL 60637 USA Univ Chicago Dept Radiat & Cellular Oncol Chicago IL 60637 USA
We compared data requirements of filtered-backprojection (FBP) and backprojection-filtration (BPF) algorithms based on PI-lines in helical cone-beam CT. Since the filtration process in FBP algorithm needs all the proj... 详细信息
来源: 评论
Bistatic synthetic aperture inversion for arbitrary flight trajectories
Bistatic synthetic aperture inversion for arbitrary flight t...
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Conference on algorithms for Synthetic Aperture Radar Imagery XIV
作者: Yarman, Can Evren Yazici, Birsen Cheney, Margaret Rensselaer Polytech Inst 110 8th St Troy NY 12180 USA
Reconstruction algorithms for monostatic synthetic aperture radar (SAR) with poor antenna directivity traversing straight and arbitrary flight trajectories have been developed by various authors(1-5), while, to our kn... 详细信息
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Statistics-based endmember extraction algorithms for hyperspectral imagery
Statistics-based endmember extraction algorithms for hypersp...
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Conference on Imaging Spectrometry XII
作者: Chu, Shih-Yu Wu, Chao-Cheng Chang, Chein-, I Univ Maryland Baltimore Cty Dept Comp Sci & Elect Engn Baltimore MD 21250 USA
Endmember extraction has received considerable interest in recent years. Many algorithms have been developed for this purpose and most of them are designed based on convexity geometry such as vertex or endpoint projec... 详细信息
来源: 评论
Pendulum walker
Pendulum walker
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Conference on Unmanned Systems Technology IX
作者: Muenchl, Paul Marecki, Alexander USA REDECOM TARDEC 6501 E 11 Mile Rd Warren MI 48397 USA
Picture someone walking from left to right. During one step (intra-step) we treat them as a simple pendulum. This model is called the rimless wheel in the literature. We analyze this model intra-step using dynamic pro... 详细信息
来源: 评论
Technology trends regarding video signal processing
Technology trends regarding video signal processing
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15th International Symposium on Advanced Display Technologies
作者: Vorobiev, Eugene Belyaev, Victor Samsung Res Ctr Brestskaya 1AH 29Off 400 Moscow Russia
development of technology of video enhancement became very important part of video signal processing. World leaders develops the own technology of video enhancement. This paper addresses to technology trends regarding... 详细信息
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On providing reliability guarantees in live video streaming with collaborative clients
On providing reliability guarantees in live video streaming ...
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14th Conference on Multimedia Computing and Networking 2007
作者: Raghuveer, Aravindan Dong, Yingfei Du, David Univ Minnesota Dept Comp Sci & Engn Minneapolis MN 55455 USA Univ Hawaii Dept Elect & Comp Engn Honolulu HI 96822 USA
Although many overlay and P2P approaches have been proposed to assist large-scale live video streaming, how to ensure service quality and reliability still remains a challenging issue. Peer dynamics, especially unsche... 详细信息
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Unsupervised learning of a steerable basis for invariant image representations
Unsupervised learning of a steerable basis for invariant ima...
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Conference on Human Vision and Electronic Imaging XII
作者: Bethge, Matthias Gerwinn, Sebastian Macke, Jakob H. Max Planck Inst Biol Cybernet Spemannstr 38 D-72076 Tubingen Germany
There are two aspects to unsupervised learning of invariant representations of images: First, we can reduce the dimensionality of the representation by finding an optimal trade-off between temporal stability and infor... 详细信息
来源: 评论
Consistent detection and identification of individuals in a large camera network
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Conference on Unmanned/Unattended Sensors and Sensor Networks IV
作者: Colombo, Alberto Leung, Valerie Orwell, James Velastin, Sergio A. Kingston Univ. (United Kingdom)
In the wake of an increasing number of terrorist attacks, counter-terrorism measures are now a main focusof many research programmes. An important issue for the police is the ability to track individuals and groupsrel... 详细信息
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Singular wavefront reconstruction with the tilts measured by Shack-Hartmann sensor - art. no. 63463J
Singular wavefront reconstruction with the tilts measured by...
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16th International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
作者: Aksenov, Valerii Izmallov, Igor Kanev, Feodor Starikov, Feodor Inst Atmospher Opt SB RAS Tomsk Russia
In the present report the possibility of singular points detections using a Shack-Hartmann sensor is described and the precision of the developed detection algorithm is estimated. Also the algorithms of a singular wav... 详细信息
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Planar tomosynthesis reconstruction in a parallel-beam framework via virtual object reconstruction
Planar tomosynthesis reconstruction in a parallel-beam frame...
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Medical Imaging 2007 Conference
作者: Nett, Brian E. Leng, Shuai Chen, Guang-Hong Univ Wisconsin Dept Med Phys 1530 Med Sci Ctr Madison WI 53704 USA Univ Wisconsin Dept Radiol Madison WI 53792 USA
A framework for image reconstruction from planar tomosynthesis trajectories (i.e. all source positions reside in a single plane) is presented. The parallel beam geometry is a convenient starting point in deriving reco... 详细信息
来源: 评论