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检索条件"任意字段=2009 International Conference on Computer Technology and Development, ICCTD 2009"

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Semi-Supervised 3D Model Multiple Semantic Automatic Annotation

Semi-Supervised 3D Model Multiple Semantic Automatic Annotat...

引用

2011 IEEE international conference on Intelligent Computing and Intelligent Systems(ICIS 2011)

作者： Feng Tian~(1 2) SHEN Xu-kun~1 1State Key Lab of Virtual Reality technology & Systems BeiHang University Beijing China Liu Xian-mei~2 Kai Zhou~2 2School of computer and Information technology Northeast Petroleum University DaQing China

＜正＞With the increasing popularity of 3D applications such as computer games,a lot of 3D geometry models are being *** encourage sharing and reuse,techniques that support matching and retrieval of these models are emerging. The purpose of annotation for 3D model is that it can automatically list the best suitable labels to describe the 3D models;it is an important part of the text-based 3D model *** this paper,we present a novel method for 3D models multiple semantic ***,we propose a graph-based method to expand the labeled data set,and the semantic words confidence of the models in the extension set are *** algorithm chooses those tags that are reasonably high in confidence based on the mutual distance of tagged models sharing *** our approach is introduced to complete multiple semantic annotation task based on the learned label *** demonstrate the performance of the new method through a large number of *** test result on the PSB data set have shown that the method making use of the unlabeled samples has achieved a better annotation result and need fewer number of hand labeled models.

关键词： SD model automatic annotation semi-supervised learning

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Using GIS for Data Visualization and Processing in Pollution Sources Census

Using GIS for Data Visualization and Processing in Pollution...

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2010 3rd IEEE international conference on computer Science and Information technology—ICCSIT 2010

作者： Huang Jiejun Cui Wei Chen Ting School of Resource and Environment Engineering Wuhan University of technology Wuhan China Zhan Yunjun Li Ye School of Resource and Environment Engineering Wuhan University of technology Wuhan China

Pollution sources census will provide data for the macro-control of environmental protection and management and promote economy structure adjustment and planning. Data visualization and processing for pollution sources census is practically meaningful for improving the pollution sources census digitalization and intelligence management level. Based on GIS and spatial database, an information management system for pollution sources census has been developed. It has some functions such as data visualization, data query, data statistics and spatial analysis. Combined with the characteristics of environmental management, the system can provide efficient technical support and scientific basis for environment protection, total quantity control of pollution sources emissions, pollution sources management and economic structure optimization, et al. The experiment results show that it has a certain value and significance for census data exploration and application.

关键词： Geographic Information System （GIS） pollution source census,data visualization,dada processing,spatial analysis

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The use of Neural Network Modeling for the Selection of Thermophysical Coefficients 2

The use of Neural Network Modeling for the Selection of Ther...

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2nd international conference on Electrical, Communication and computer Engineering, ICECCE 2020

作者： Platov, Sergey Latypov, Oleg Dema, Roman Kalugina, Olga Institute of Metallurgy Mechanical Engineering and Material Processing Nosov Magnitogorsk StateTehnical University Magnitogorsk Russia National University of Science and Tehnology MISIS Magnitogorsk Russia Computer Sciense and Information Security Nosov Magnitogorsk StateTehnical University Magnitogorsk Russia

ISBN: (数字)9781728171166

ISBN: (纸本)9781728171166

In this work, a simulation model of the thermal state of the work rolls at the hot rolling mill 2000 (m) of Public Joint-Stock Corporation Magnitogorsk iron and steel works (PJSC MMK) is built. A neural network was used as a tool for adjusting the thermophysical transfer coefficients of hot rolling mills. The constructed neural network is a multilayer perceptron, consisting of an input layer, two hidden layers, and an output layer. The neural network is implemented in PyTorch, a scientific computing package based on the interpreted Python programming language. To train the neural network, we used the basic data array obtained from the control system of the hot rolling mill. During industrial experiments, the temperature of the work rolls was measured using HotFind-DXT series thermal imagers developed by SDS. A neural network has been built that allows adapting the thermophysical heat transfer coefficients with an average relative error of 11.7%. A neural network will speed up and simplify the selection of thermophysical coefficients for models of the thermal state of work rolls and adequately assess the current thermal state of work rolls during the rolling process. Using a neural network, a model of the thermal state of work rolls was developed. © 2020 IEEE.

关键词： Hot rolling

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Detecting and Predicting of Abnormal Behavior Using Hierarchical Markov Model in Smart Home Network

Detecting and Predicting of Abnormal Behavior Using Hierarch...

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第17届工业工程与工程管理国际学术会议(IE&EM2010)

作者： Wonjoon Kang Dongkyoo Shin Dongil Shin Department of Computer Engineering and Science Sejong UniversitySeoulSouth Korea

In this paper,we present an application of the hierarchical hidden Markov model(HHMM) for the problem of predicting the state of human behavior in a smart home *** argue that to robustly model and recognize sequential human activities,it is crucial to exploit both the natural hierarchical decomposition and shared semantics embedded in a ubiquitous *** this end,we propose the use of the HHMM,a rich stochastic model that has recently been extended to handle shared structures,for representing and recognizing a set of complex indoor *** main contributions of this paper lie in the application of the shared structure HHMM,the estimation of the state of a user's behavior,and the detection of abnormal *** user behavior data from an experiment show that directly modeling shared structures improves the recognition efficiency and prediction accuracy for the state of a human's behavior when compared with a flat HMM.

关键词： Hidden Markov Model Hierarchy Hidden Markov Model Viterbi algorithm smart home network ubiquitous environment detecting abnormal behavior

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Strengthening technology Innovation of the Multi-disciplinary Corporation to Promote Facility Horticulture Engineering

Strengthening Technology Innovation of the Multi-disciplinar...

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亚洲精细农业与计算机农业应用联合大会

作者： LI Pingping Key Laboratory of Modern Agricultural Equipment and technology,Ministry of Education & Jiangsu Province, Jiangsu University, Zhenjiang 212013, China

The idea and its importance of strengthening of the multi-disciplinary corporation to promote facility horticulture engineering is put forward by analyzing the present development of China’s facility horticulture, and how to strengthen the technology innovation of the corporation is discussed in detail from four perspectives. (1) The facility environment and crops need to be controlled simultaneously according the features of horticultural facilities and the ecological adaptability of crops. (2) The innovation design of greenhouse structures should be implemented in terms of different regional climatic conditions and the need of crop growth or development. (3) Comprehensive optimal environment control still needs further study by integrating crop models with environment models. (4) Finally greenhouse management expert system would be practical with the combination of horticulture, facility equipment and computer technologies.

关键词： Facility horticulture engineering, Environment control, Multi-disciplinary corporation, technology innovation

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QoS Multi-path Routing in Multi-radio Multi-channel Wireless Mesh Networks

QoS Multi-path Routing in Multi-radio Multi-channel Wireless...

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2011 international conference on Intelligent Computing and Integrated Systems(ICISS 2011)

作者： Guang Su College of Mathematics and computer Science Fuzhou University Fuzhou, China Hongju Cheng College of Mathematics and computer Science Fuzhou University Fuzhou, China

With the wide use of multimedia applications, people improve the demand of high speed traffics increasingly. However, when the network is congested, single path route can not satisfy the end-to-end bandwidth requirement, thus limited bandwidth resources can not be used efficiently. In this paper, we therefore propose a bandwidth-guaranteed multi-path routing, which can find multiple node-disjoint paths between source and destination and perform the calculation of available bandwidth of found paths by introducing a method of calculating path available bandwidth. Meanwhile, we design a novel metric for path selection so that we select two parallel paths whose aggregated bandwidth can satisfy the connection bandwidth requirement from multiple paths found by the route discovery. Then we distribute data packets into the two parallel paths for concurrent transmission according to each path’s available bandwidth. Simulation results show our proposed Bandwidth-guaranteed Multi-path Routing (BMR) makes significant improvements in terms of the request success ratio compared with the related works.

关键词： Wireless Mesh Networks Multi-path Routing Multi-radio Quality of Service

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An implementation of robustness testing for a TTCN-3 test system

An implementation of robustness testing for a TTCN-3 test sy...

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2014 international conference on Future Communication technology and Engineering (FCTE 2014)

作者： S.M.Liu X.M.Liu X.F.Shao Y.P.Liu College of Science and Information Qingdao Agriculture University Information Department Beijing City University School of Computer Science and Engineering BUAA

In software testing, robustness refers to the ability to ensure that the software system executes correctly under normal or abnormal conditions. Robustness testing needs a large number of illegal and effective inputs which is one of the keys to the researches. The data variance is based on mutation testing which is a type of white box testing through destructing the system under a test for robustness testing. The variance data is a type of data which can determine the robustness by applying some interference to the test input, in order to create abnormal data which is then used by the system under test. As TTCN-3(Testing and Test Control Notation)is used for black box testing, it can get the data rule description from the system under test. The data variance is also used for TTCN-3 testing. Therefore, the automatic generation of robust illegal inputs is realized on the basis of the data variance in this paper.

关键词： TTCN-3 mutation testing data variance system under test robustness testing test case

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A BEHAVIOURAL MODELING AND VERIFICATION FOR TIMED SERVICE-ORIENTED PRODUCT LINES

A BEHAVIOURAL MODELING AND VERIFICATION FOR TIMED SERVICE-OR...

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2012 IEEE 2nd international conference on Cloud Computing and Intelligence Systems

作者： Hongxia Zhang Hua Zou Fangchun Yang Rongheng Lin College of Computer & Communication Engineering China University of Petroleum State Key Laboratory of Networking & Switching Beijing University of Posts and Telecommunications

Modeling and verification of behavioral variability in service-oriented product family descriptions is very *** existing methods can only model the basic service behaviors,and time constraints are not taken into consideration,which is an important parameter in service *** this paper,we described an approach for modeling and verification of behaviors for a timed service ***,we propose featured Timed Automata,a formalism designed to describe the combined behavior of a timed service family,which leverages on establishing relationships between features and ***,we use product Computation Tree Logic to model properties of service families,which extend Computation Tree Logic to take into account the product ***,we have verified a travel agency service family by the model checker UPPAAL,which shows that our approach helps to verify timed service families effectively in the early phases of development.

关键词： Service-oriented product lines Timed automata Behavioral modeling Timed temporal logic Model checking

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Ocean-Land Segmentation Based on Active Contour Model for SAR Imagery

Ocean-Land Segmentation Based on Active Contour Model for SA...

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2010 international conference on computer and Communication Technologies in Agriculture Engineering (CCTAE 2010)

作者： Zili Shan, Chao Wang, Hong Zhang, Bo Zhang Center for Earth Observation and Digital Earth Chinese Academy of Science Beijing, China Graduate University of Chinese Academy of Science Beijing, China

Ocean-land segmentation is a basis for oceanic targets detection for SAR imagery. The traditional manual segmentation method can acquire a fairly good result, while it is unable to achieve a satisfying efficiency. Thus the manual method is unsuitable for batch processing. Ocean map based land masking method requires a priori information, which restricts its application. This paper presents an automatic active contour model based ocean- land segmentation method for SAR imagery. This method forces the active contour to the real coastline by variation level set. Under the restriction of minimizing a given energy function, the method obtains the final segmentation result when the active contour is overlapped on the coastline. In addition, an optimizing method is proposed to improve its computation efficiency, which makes our segmentation method more applicable.

关键词： imagery segmentation active contour SAR level set

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AN IMPROVED MECHANISM FOR FOUR-WAY HANDSHAKE PROCEDURE IN IEEE802.11I

AN IMPROVED MECHANISM FOR FOUR-WAY HANDSHAKE PROCEDURE IN IE...

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2010 3rd IEEE international conference on computer Science and Information technology—ICCSIT 2010

作者： Xiawen Xiao Jie Ding Nanrun Zhou Department of Electronic Information Engineering Nanchang University Nanchang 330031 China

With the development of WLAN （wireless local area network）,the security problems become more apparent than before.802.11i protocol enhances the security performance such as encryption and authentication,however,the four-way handshake procedure aiming to produce the PTK （pairwise transient key） is subjected to the DoS attack and the DoS flooding attack,which may result in memory *** mechanism is reviewed for its robustness against the DoS attack and the DoS flooding *** analyzing the Cookie mechanism,some weaknesses such as the exposure of the PTK are ***,an improved mechanism is proposed,without exposing the PTK in the wireless space directly,this new mechanism performs great to avoid the DOS attack and to decrease the transmission load.

关键词： 802.11i four-way handshake DoS attack

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