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TENCON 2015 - 2015 IEEE Region 10 Conference最新文献

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Toward impact analysis for uncertain software project 面向不确定软件项目的影响分析
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373157
K. Hisazumi, Tomotaka Yamasaki, Akira Fukuda
{"title":"Toward impact analysis for uncertain software project","authors":"K. Hisazumi, Tomotaka Yamasaki, Akira Fukuda","doi":"10.1109/TENCON.2015.7373157","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373157","url":null,"abstract":"This paper proposes an impact metric for assumed software changes described in UML diagrams for embedded systems. The impact metric indicate that degree of ease to change software according to changes of requirements and designs, and based on complexity metric of UML class and state machine diagrams. We also demonstrate the proposed impact measure to conduct some experiment to develop a sample project. The evaluation indicates that the proposed metric have a strong correlation with degree of ease to change target project.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"24 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81605892","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
Multi-frequency beam splitter for DS-CDMA signals in the test of beamforming networks 波束形成网络测试中用于DS-CDMA信号的多频分束器
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372797
Shuai Wang, Jing Luo, Nan Lu
{"title":"Multi-frequency beam splitter for DS-CDMA signals in the test of beamforming networks","authors":"Shuai Wang, Jing Luo, Nan Lu","doi":"10.1109/TENCON.2015.7372797","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372797","url":null,"abstract":"A new approach for the multi-frequency beam splitter based on Direct-Sequence Code Division Multiple-Access (DS-CDMA) in the test of beamforming networks (BFN) is presented with essential simulation results. This new type of multi-frequency beam splitter is the key technology in Multi-Port Amplitude & Phase Relationship Testing Instrument (MP-APRTI), which aims at measuring the weight matrices of BFN. The proposed method can not only significantly reduces resource consumption in hardware implementation, but it can also effectively saves labor and worktime when measuring, both of which are unattainable by conventional methods ever. Simulation results have strongly tested and verified the mentioned benefits, so far, the new beam splitter in the test of BFN has been applied in practice successfully.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"57 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84426316","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
Efficient video transfer using LAN caching assisted by cloud computing 利用云计算辅助的局域网缓存进行高效视频传输
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373071
Vishwa Kiran S, S. Raghuram, J. Thriveni, K. Venugopal
{"title":"Efficient video transfer using LAN caching assisted by cloud computing","authors":"Vishwa Kiran S, S. Raghuram, J. Thriveni, K. Venugopal","doi":"10.1109/TENCON.2015.7373071","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373071","url":null,"abstract":"There is a good probability of accessing same video content multiple times from a cloud based Video Streaming Server by same peer or different peers of a given LAN, effectively increasing Internet bandwidth or data flow for same content from server to client, thereby over loading routers between server and client and also resulting in higher power consumption at routers. This proposed concept tries to avoid multiple streaming of high volume video files from Server by caching first successful streamed data on to LAN peer which is currently viewing the video data and subsequently the same LAN peer streaming the video to other desiring peers when demanded for. Proposed implementation model retains all other server activities with server except for allowing an available LAN peer copy of video to be streamed to another peer of the same LAN when requested for.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"29 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84447463","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: 5
Sparse representation based image super resolution reconstruction 基于稀疏表示的图像超分辨率重建
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373149
R. Nayak, D. Patra, S. Harshavardhan
{"title":"Sparse representation based image super resolution reconstruction","authors":"R. Nayak, D. Patra, S. Harshavardhan","doi":"10.1109/TENCON.2015.7373149","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373149","url":null,"abstract":"The present paper addresses a single image super resolution reconstruction approach based on sparse representation of image patches. The proposed reconstruction process enforces a better sparsity solution which is guided by the sparse prior from the L1 norm optimization process. In the optimization process, an efficient feature extraction operator is used to ensure accurate prediction of the high resolution image patch. The normalized cross correlation is used as a similarity constraint to control the matching of image patch in the sparse framework. Finally, the reconstruction process is made robust to noise by selecting an optimal adaptive sparsity regularization parameter using particle swarm optimization method. In the present work, coupled dictionary training is used to learn the dictionaries. The efficiency of the proposed work is validated with different real and synthetic images. Various image quality metrics demonstrates the superiority of the proposed work over other existing super resolution reconstruction methods.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"39 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85151923","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
Significance of glottal activity detection for speaker verification in degraded and limited data condition 声门活动检测对退化和有限数据条件下说话人验证的意义
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372916
Ashutosh Pandey, Rohan Kumar Das, Nagaraj Adiga, Naresh Gupta, S. R. Mahadeva Prasanna
{"title":"Significance of glottal activity detection for speaker verification in degraded and limited data condition","authors":"Ashutosh Pandey, Rohan Kumar Das, Nagaraj Adiga, Naresh Gupta, S. R. Mahadeva Prasanna","doi":"10.1109/TENCON.2015.7372916","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372916","url":null,"abstract":"The objective of this work is to establish the importance of speaker information present in the glottal regions of speech signal. In addition, its robustness for degraded data and significance for limited data is sought for the task of speaker verification. An adaptive threshold method is proposed to use on zero frequency filtered signal to get the glottal activity regions. Feature vectors are extracted from regions having significant glottal activity. An i-vector based speaker verification system is developed using NIST SRE 2003 database and the performance of proposed method is evaluated in degraded and limited data condition. Robustness of proposed method is tested for white and babble noise. Further, short utterances of test data are considered to evaluate the performance in limited data condition. The proposed method based on the selection of glottal regions is found to perform better than the baseline energy based voice activity detection method in degraded and limited data conditions.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"60 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85650510","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: 7
Study on new traction power supply system for power quality comprehensive compensation in electrified railway 电气化铁路电能质量综合补偿新型牵引供电系统研究
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372869
Minwu Chen, Jie Luo, Wenbing Jiang, Yaowu Wang
{"title":"Study on new traction power supply system for power quality comprehensive compensation in electrified railway","authors":"Minwu Chen, Jie Luo, Wenbing Jiang, Yaowu Wang","doi":"10.1109/TENCON.2015.7372869","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372869","url":null,"abstract":"The outstanding power quality problems including three-phase voltage unbalance and large reactive power have drawn more and more attention of railway company and power system. Moreover, the neutral section insulators at exits of substations affect the safety and efficiency of the electric trains, especially in high speed railway and heavy haul railway. A new traction power supply system adopting Vx connection traction transformer and active power flow controller (PFC) is proposed. The mathematic model of the new system is built and the compensation currents of PFC are calculated for comprehensive compensation. Moreover, the optimized topology and control method of PFC are studied. The simulation and performance of the different operation modes verify the validity of the proposed system, which can be used in high speed and heave haul railways.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"100 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76989643","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
Using novel metal oxides and multiple plasmonic nanostructures for emerging organic optoelectronic devices 利用新型金属氧化物和多等离子体纳米结构用于新兴的有机光电器件
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372838
W. Choy
{"title":"Using novel metal oxides and multiple plasmonic nanostructures for emerging organic optoelectronic devices","authors":"W. Choy","doi":"10.1109/TENCON.2015.7372838","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372838","url":null,"abstract":"Developing high performance organic photovoltaics (OPVs) and organic light emitting diodes (OLEDs) are highly relevant and advantageous to the practical applications of the emerging flexible organic optoelectronics. Herein, through the incorporation of plasmonic and metal oxide systems, we report several effective approaches for enhancing the optical absorption and charge carrier extraction in organic optoelectronic devices. We demonstrate that the power conversion efficiency of organic solar cells can be improved to ~9.62% depending on the plasmonic structures, device architectures, and the organic materials.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"72 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80886165","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
Exploration of vowel onset and offset points for hybrid speech segmentation 混合语音分割中元音起始和偏移点的探索
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373137
B. Sarma, Bidisha Sharma, S. Shanmugam, S. R. Mahadeva Prasanna, H. Murthy
{"title":"Exploration of vowel onset and offset points for hybrid speech segmentation","authors":"B. Sarma, Bidisha Sharma, S. Shanmugam, S. R. Mahadeva Prasanna, H. Murthy","doi":"10.1109/TENCON.2015.7373137","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373137","url":null,"abstract":"Automatic segmentation of speech using embedded reestimation of monophone hidden Markov models (HMMs) followed by forced alignment may not give accurate boundaries. Group delay (GD) processing for refining the boundaries at the syllable level is attempted earlier. This paper aims at exploring vowel onset point (VOP) and vowel offset or end point (VEP) for correcting the boundaries obtained using HMM alignment. HMM models the class information well, however may not detect the exact boundary. In case of VOPs and VEPs, spurious rate or miss rate can be there, but detected boundaries are more accurate. Combining both HMM and VOP/VEP gives improvement in terms of log likelihood scores of forced aligned phoneme boundaries. HMM boundaries are corrected using VOP/VEP and model parameters are reestimated at the syllable level. Results are compared with that of GD based correction and found that overall performance is comparable. Performance for vowels is found to be higher than that of GD based refinement as the refinement in this case is mainly at the vowel boundaries. HMM based speech synthesis systems (HTS) are developed using phone as a basic unit with the proposed segmentation method. Subjective evaluation indicates that there is an improvement in the quality of synthesis.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"13 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81967319","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
A local posture manifold with Lagrangian parallel constraint for subtle action discrimination 具有拉格朗日并行约束的局部姿态流形用于细微动作判别
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372826
Renlong Pan, Lihong Ma, Yue Huang
{"title":"A local posture manifold with Lagrangian parallel constraint for subtle action discrimination","authors":"Renlong Pan, Lihong Ma, Yue Huang","doi":"10.1109/TENCON.2015.7372826","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372826","url":null,"abstract":"To effectively discriminate the so called “significant motion”, actions with subtle differences, such as minimum inertia among running, jogging and walking, are approximated by a new local posture descriptor. First, each human pose from action sequences is divided into multiple local rigid body-parts (LRBPs) by the multi-group 2-simplex templates. Second, a new local posture descriptor is proposed by a local principal manifold model based on Lagrangian parallel constraint (LPC-LPM) to describe each LRBP. Further, each non-rigid human pose is expressed by summing up all linear weighted probabilities of the geometry distribution of local posture manifolds. In addition, to improve the discrimination performance, spatio-temporal context descriptors of LRBPs are extracted as enhanced features. Experimental results show that our proposed approach achieve higher recognition rate for significant actions, which is better than previously results.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"13 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78314386","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
Design of 4×4 aperture-coupled water patch antenna array 4×4孔径耦合水片天线阵列设计
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372831
Jie Sun, K. Luk
{"title":"Design of 4×4 aperture-coupled water patch antenna array","authors":"Jie Sun, K. Luk","doi":"10.1109/TENCON.2015.7372831","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372831","url":null,"abstract":"A 4×4 aperture-coupled water patch antenna array is proposed. The most difference between this water patch antenna array and traditional metallic patch antenna is that the radiation patch on top of substrate is replaced by pure water. The water antenna array uses H-shaped slot aperture coupled method to feed the structure. Simulation is conducted with a commercial solver and the results show that this water patch antenna array can obtain an impedance bandwidth of 21% from 2.13 to 2.63 GHz for SWR<; 2, a high gain up to 18.8 dBi and a good stable unidirectional and symmetric radiation pattern with low backlobe and cross-polarization level. The results prove that the water patch antenna may exhibit similar radiation performances and is able to achieve same functions across low frequency as the usual metallic microstrip antenna.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"14 1 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78335925","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: 2
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