Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems最新文献

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Efficient surface reconstruction from scattered points through geometric data fusion 通过几何数据融合,从分散点高效重建曲面
M.A. Garcia
{"title":"Efficient surface reconstruction from scattered points through geometric data fusion","authors":"M.A. Garcia","doi":"10.1109/MFI.1994.398404","DOIUrl":"https://doi.org/10.1109/MFI.1994.398404","url":null,"abstract":"This paper describes a new method to reconstruct smooth surfaces from arbitrary triangulations of scattered 3D points. These points are considered to be noisy as a result of some sensory acquisition process. The reconstruction problem is transformed into one of surface approximation over irregular triangular meshes. The proposed formulation is based on weighted averages, a technique that has been widely used in homogeneous data fusion. Hence, the generated surfaces are the result of a geometric fusion process that considers topological relationships among control points. Moreover, an uncertainty factor can be associated with every point. This factor affects the final shape of the surface locally. The reconstructed surface is composed of a collection of triangular patches that join with C/sup 0/ or G/sup 1/ geometric continuity and that can be computed independently. Since those patches are parametric functionals, arbitrary topologies of any genus can be represented. The aforementioned characteristics of this technique allow its utilization as an efficient surface modelling tool in diverse disciplines, including robotics, GIS and medical imaging.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128424515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Compensation of time lag between actual and virtual spaces by multi-sensor integration 多传感器集成补偿实际空间与虚拟空间的时滞
Satoru Exnura, SusuInu Tach
{"title":"Compensation of time lag between actual and virtual spaces by multi-sensor integration","authors":"Satoru Exnura, SusuInu Tach","doi":"10.1109/MFI.1994.398417","DOIUrl":"https://doi.org/10.1109/MFI.1994.398417","url":null,"abstract":"Unconstrained measurement of human head motion is essential for HMD (Head Mounted Display) to be really interactive. Polhemus sensors developed for that purpose have deficiencies of critical latency and low sampling rate. This paper proposes a method which compensates the latency and raises the effective sampling rate through the integration of Polhemus and gyro sensors, For this purpose, the authors derived a physically consistent system model of human rotational motion described by quaternion and angular velocity. This integration consists of the optimal prediction based on simultaneous measurement of both sensors and the extrapolation of the estimate based on measurement of the gyro sensor. This paper also reports the implementation of the proposed method.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115283941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Examination of the fuzzy subsethood theorem for data fusion 数据融合中模糊子集定理的检验
D.M. Buede
{"title":"Examination of the fuzzy subsethood theorem for data fusion","authors":"D.M. Buede","doi":"10.1109/MFI.1994.398422","DOIUrl":"https://doi.org/10.1109/MFI.1994.398422","url":null,"abstract":"There continues to be substantial disagreement about which of the several methods to use in measuring and updating uncertainty in data fusion applications. In this paper we examine two popular methods, fuzzy sets and probability theory. Probability theory has been the traditional method for data fusion applications. Fuzzy sets have grown in popularity in Japan and Europe, with many successful control applications. Here we give a simple overview of fuzzy sets and then describe the fuzzy subsethood theorem as the best fuzzy approach for data fusion. Finally we compare the subsethood theorem to Bayes theorem for data fusion applications.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"2011 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127366636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Uncertainty-management-network-based dynamic sensor model 基于不确定性管理网络的动态传感器模型
Sangwook Park, C.s.g. Lee
{"title":"Uncertainty-management-network-based dynamic sensor model","authors":"Sangwook Park, C.s.g. Lee","doi":"10.1109/MFI.1994.398449","DOIUrl":"https://doi.org/10.1109/MFI.1994.398449","url":null,"abstract":"The raw data obtained by physical sensors are initially modeled using fuzzy numbers which are then processed by the subsequent uncertainty management network (UMN) which is a new paradigm in propagating uncertainties through a sensor system model. The UMN partitions the processing blocks of the sensor system into a tree-like network structure of basic processing nodes which perform elementary arithmetic, logical, aggregation, or branching operations interconnected using multiple information propagation channels. The UMN allows the dynamic modelling of sensor systems by providing a confidence measure for the output of the sensor system which incorporates the changing conditions of the environment as well as the changes occurring within the sensor system itself. An example of an UMN-based vision system is illustrated to clarify the idea and the concepts.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126860111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Coherency of kinesthetic and visual sensation in virtual reality system 虚拟现实系统中动觉与视觉的一致性
Y. Yanagida, S. Tachi
{"title":"Coherency of kinesthetic and visual sensation in virtual reality system","authors":"Y. Yanagida, S. Tachi","doi":"10.1109/MFI.1994.398418","DOIUrl":"https://doi.org/10.1109/MFI.1994.398418","url":null,"abstract":"To realize highly realistic sensation of presence in a virtual environment, it is necessary to implement a virtual reality system fitting human sensory mechanism, which integrates multiple kinds of sensory information, including kinesthetic and visual sensation. To provide coherency between kinesthetic and visual sensation of presence, the authors have proposed the concept of a virtual human. However, this concept has not been realized mainly because of difficulty in description of a virtual environment. The authors developed an object-oriented method for describing the virtual environment, which is flexible, easy to construct, and efficient for image generation, using the C++ language. The authors configured a system using human motion measurement and visual information display, and implemented the virtual environment description method on the system. Using this system, the authors experimented with the influence caused by the condition whether the coherency between kinesthetic and visual sensation of presence is satisfied.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127495497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Adaptive masticatory jaw motion using jaw position and biting force information 使用颚位置和咬合力信息的自适应咀嚼颚运动
H. Takanobu, T. Tanase, A. Takanishi, I. Kato
{"title":"Adaptive masticatory jaw motion using jaw position and biting force information","authors":"H. Takanobu, T. Tanase, A. Takanishi, I. Kato","doi":"10.1109/MFI.1994.398432","DOIUrl":"https://doi.org/10.1109/MFI.1994.398432","url":null,"abstract":"The human system is one of the most complicated systems of 'multisensor fusion and integration' . For example, humans manipulate their mandibles by using jaw position and biting force information. In this paper, part of \"Project: Humanoid\", a control algorithm for a mastication robot to simulate the adaptive human masticatory jaw motions, and the experimental results using real food are presented. Humans can (1) open the jaw to adapt to food size, (2) close the jaw to adapt to food size and to crush food, and (3) bite food without breaking the mandible and maxilla. The authors designed a control algorithm including these three adaptive jaw motions based on dental facts for a mastication robot. The results of the real food chewing experiments show that adaptive jaw motions for food characteristics can be realized with a mastication robot using jaw position and biting force information.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131273909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
A feature-level approach to multi-sensor integration; emphasizing robotic applications 多传感器集成的特征级方法强调机器人应用
S. Bruder, M. Farooq, M. Bayoumi
{"title":"A feature-level approach to multi-sensor integration; emphasizing robotic applications","authors":"S. Bruder, M. Farooq, M. Bayoumi","doi":"10.1109/MFI.1994.398415","DOIUrl":"https://doi.org/10.1109/MFI.1994.398415","url":null,"abstract":"Employing a feature level description of the robotic environment the two important issues of what to fuse and how to fuse are developed in detail. The former is known as the registration (or correspondence) problem, and the latter the fusion problem. The registration procedure is addressed by a comprehensive two stage process, The first stage affords the development of local sensor interpretations which are then registered between sensors and fused to construct a global interpretation. To perform the actual fusion, information-scaled estimates are employed to develop a decentralized fusion structure; temporal and spatial alignment is also supported.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131689697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A stochastic graph-based technique for grouping of inhomogeneous image primitives 基于随机图的非均匀图像基元分组技术
Vittorio Murino
{"title":"A stochastic graph-based technique for grouping of inhomogeneous image primitives","authors":"Vittorio Murino","doi":"10.1109/MFI.1994.398389","DOIUrl":"https://doi.org/10.1109/MFI.1994.398389","url":null,"abstract":"Two main motivations are at the basis of the current interest of computer vision researchers in grouping methods: psychophysical evidence about the presence of pre-attentive mechanisms in human vision and expected reduction in computational complexity of recognition tasks. In this paper, a new probabilistic approach to grouping is proposed which is based on the representation of descriptive primitives (DPs) of different kind as sets of random variables associated with nodes of a relational graph. Grouping is modelled as the operation of assigning integer values to one among the variable of a graph node, i.e. as a labeling process. The set of random variables is described as a Markov random field with a multiple neighbourhood system. Each neighbourhood system is based on a different geometrical relation between nodes. The energy function of the field can be considered as a computational expression for some Gestalt laws which have been suggested by several psychologists as basic perceptual criteria. Two different shape descriptive primitives (i.e., circular arcs and straight segments) are here used to show the feasibility of the approach for a specific application which consists in the crowding evaluation and characterization of a surveilled environment.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"214 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132784064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Parallel extended local feature extraction on distributed memory computer 分布式存储计算机上并行扩展局部特征提取
J. Baek, Yu-Seon Chang, K. Teague
{"title":"Parallel extended local feature extraction on distributed memory computer","authors":"J. Baek, Yu-Seon Chang, K. Teague","doi":"10.1109/MFI.1994.398451","DOIUrl":"https://doi.org/10.1109/MFI.1994.398451","url":null,"abstract":"Feature extraction is the most important phase in object recognition because accuracy of the system relies on how well the features are extracted. In this paper a new parallel extended local feature extraction method is proposed which can be implemented on a distributed memory machine. In order to reduce the complexity in the extended local feature extraction, an efficient algorithm is developed which is capable of exploiting a high degree of parallelism. Our parallel algorithm is implemented and tested on an Intel iPSC/2 hypercube computer. Some resulting figures and execution times according to various number of nodes and object features are presented.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116690254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic reconfiguration of parallel sensor integration system by model estimation 基于模型估计的并联传感器集成系统动态重构
T. Kawashima, T. Nagasaki, M. Toda, Y. Aoki
{"title":"Dynamic reconfiguration of parallel sensor integration system by model estimation","authors":"T. Kawashima, T. Nagasaki, M. Toda, Y. Aoki","doi":"10.1109/MFI.1994.398473","DOIUrl":"https://doi.org/10.1109/MFI.1994.398473","url":null,"abstract":"Model-based sensor integration is a practical way of using multiple sensor information. The approach, however, cannot be applied when the model is unavailable. In this paper, we propose a dynamic reconfiguration mechanism of parallel sensor fusion network by model estimation. Our estimation algorithm recognizes the target mechanism from the state transition rules of relative motion between rigid bodies. Hierarchical grouping of sensor data realizes this idea. The approach is applied to a 2D-kinematic planar system, and the result is described.<<ETX>>","PeriodicalId":133630,"journal":{"name":"Proceedings of 1994 IEEE International Conference on MFI '94. Multisensor Fusion and Integration for Intelligent Systems","volume":"4 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132836944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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