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检索条件"主题词=Positioning algorithm"
124 条 记 录,以下是101-110 订阅
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A new positioning algorithm for position-sensitive avalanche photodiodes
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IEEE TRANSACTIONS ON NUCLEAR SCIENCE 2007年 第3期54卷 433-437页
作者: Zhang, Jin Olcott, Peter D. Levin, Craig S. PerkinElmer Optoelect Santa Clara CA 95054 USA Stanford Univ Dept Radiol Stanford CA 94305 USA Stanford Univ Mol Imaging Program Stanford CA 94305 USA
We are using a novel position sensitive avalanche photodiode (PSAPD) for the construction of a high resolution positron emission tomography (PET) camera. Up to now most researchers working with PSAPDs have been using ... 详细信息
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Variable Preprocessing Applied to Neural Network Position Estimators for 2-D PET
Variable Preprocessing Applied to Neural Network Position Es...
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IEEE Nuclear Science Symposium/Medical Imaging Conference (NSS/MIC)/18th International Workshop on Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors
作者: Mateo, Fernando Lerche, Christoph W. Martinez, Jorge D. Gadea, Rafael CERN European Org Nucl Res Dept Technol CH-1211 Geneva Switzerland Philips Technol GmbH Sector Med Imaging Syst Dept X Ray Imaging Syst Aachen Germany Univ Politecn Valencia Inst Inst Para Imagen Molecular I3M Valencia Spain
The goal of this paper is to study the performance of a series of variable preprocessing methods (namely: selection, scaling and projection) in combination with artificial neural networks (ANNs) to estimate the 2-D po... 详细信息
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Novel positioning method using Gaussian mixture model for a monolithic scintillator-based detector in positron emission tomography
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OPTICAL ENGINEERING 2011年 第9期50卷 093606-093606页
作者: Bae, Seungbin Lee, Kisung Seo, Changwoo Kim, Jungmin Joo, Sung-Kwan Joung, Jinhun Korea Univ Dept Radiol Sci Seoul 136703 South Korea Korea Electrotechnol Res Inst Ansan 426170 Geonggi Do South Korea Korea Univ Sch Elect Engn Seoul 136701 South Korea Nucare Med Syst Inc Seoul 136703 South Korea
We developed a high precision position decoding method for a positron emission tomography (PET) detector that consists of a thick slab scintillator coupled with a multichannel photomultiplier tube (PMT). The DETECT200... 详细信息
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A novel positioning algorithm in wireless sensor networks based on indoor connective information
A novel positioning algorithm in wireless sensor networks ba...
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2nd IEEE Sensors Applications Symposium
作者: Shi, Wemning Huang, Chuanhe Shao, Mingkai Song, Dandan Cheng, Yong Long, Ying Wuhan Univ Sch Comp Sci Wuhan 430072 Peoples R China China Univ Geosci Sch Comp Sci Wuhan 430074 Peoples R China
Localization information of individual nodes is crucial for many advanced functions including routing, querying it? wireless sensor networks. Most of the existing localization algorithms in wireless sensor networks ar... 详细信息
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A new iterative algorithm for pixilated and continuous scintillating crystal
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NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 2011年 第sup1期648卷 S79-S84页
作者: Fabbri, A. Bennati, P. Cencelli, V. Orsolini Cinti, M. N. Pellegrini, R. Petulla, F. Pani, R. de Notaristefani, F. Univ Rome Roma Tre Dept Phys Rome Italy Univ Rome Roma Tre Dept Elect Engn Rome Italy Univ Roma La Sapienza Dept Mol Med Rome Italy
In this work, we present a mean square estimation (MSE) based algorithm to calculate the position of a scintillation event within the crystal of a gamma camera dedicated to single photon imaging applications. The perf... 详细信息
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Position correction with depth of interaction information for a small animal PET system
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NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 2011年 第sup1期648卷 S176-S180页
作者: Carles, M. Lerche, Ch. W. Sanchez, F. Mora, F. Benlloch, J. M. Inst Fis Corpuscular CSIC UV Valencia 46071 Spain Univ Politecn Valencia I3M Valencia 46020 Spain
In this work we study the effects on the spatial resolution when depth of interaction (001) information is included in the parameterization of the line of response (LOR) for a small animal positron emission tomography... 详细信息
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Time walk correction for TOF-PET detectors based on a monolithic scintillation crystal coupled to a photosensor array
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NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 2010年 第1-3期621卷 595-604页
作者: Vinke, R. Lohner, H. Schaart, D. R. van Dam, H. T. Seifert, S. Beekman, F. J. Dendooven, P. Univ Groningen Kernfys Versneller Inst NL-9747 AA Groningen Netherlands Delft Univ Technol NL-2628 JB Delft Netherlands Univ Med Ctr Utrecht NL-3584 CX Utrecht Netherlands
When optimizing the timing performance of a time-of-flight positron emission tomography (TOF-PET) detector based on a monolithic scintillation crystal coupled to a photosensor array, time walk as a function of annihil... 详细信息
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A Low-Power Scheme for Localization in Wireless Sensor Networks
A Low-Power Scheme for Localization in Wireless Sensor Netwo...
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16th EUNICE/IFIP WG 6 6 Workshop (EUNICE 2010)
作者: Robles, Jorge Juan Tromer, Sebastian Quiroga, Monica Lehnert, Ralf Tech Univ Dresden D-01069 Dresden Germany
One of the most challenging issues in the design of system for Wireless Sensor Networks (WSN) is to keep the energy consumption of the sensor nodes as low as possible. Many localization systems require that the nodes ... 详细信息
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Indoor Location Services and Context-sensitive Applications in Wireless Networks
Indoor Location Services and Context-sensitive Applications ...
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International Conference on Indoor positioning and Indoor Navigation (IPIN)
作者: Schulcz, Robert Varga, Gabor Toth, Laszlo Budapest Univ Technol & Econ Mobile Innovat Ctr Budapest Hungary
The present research was conducted at the Budapest University of Technology in the field of indoor location using radio waves of Wi-Fi networks with a focus on practical application issues. Our goal was to enhance and... 详细信息
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Efficient readout electronics for multianode photomultiplier
Efficient readout electronics for multianode photomultiplier
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Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XII
作者: Lerche, Christoph W. Herrero-Bosch, Vicente Ferrando-Jodar, Nestor Gadea-Girones, Rafa Sanchez-Martinez, Filomeno Mora-Masa, Francisco J. Univ Politecn Valencia Inst Instrumentacin Imagen Mol E-46071 Valencia Spain Inst Fs Corpuscular Valencia Spain
We present a novel active and analog readout and preprocessing topology for position sensitive photodetectors (PSPD) that allows to readout a large variety of PSPD devices with different pixel numbers. Additionally, t... 详细信息
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