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7th International Multi Topic Conference, 2003. INMIC 2003.最新文献

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Some results of experimentation with extreme programming paradigm 极限编程范式实验的一些结果
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416756
A. Ahmed, M. Fraz, F.A. Zahid
{"title":"Some results of experimentation with extreme programming paradigm","authors":"A. Ahmed, M. Fraz, F.A. Zahid","doi":"10.1109/INMIC.2003.1416756","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416756","url":null,"abstract":"The increasing cost and complexity of software development and maintenance demands methodologies that decrease cost and enhance software reliability. A recently proposed methodology of extreme programming (XP) is a methodology pertaining to small to medium sized teams and developing software in the face of vague or rapidly changing requirements. It has been assumed that XP will ease software development process and decrease its maintenance cost. However, unfortunately little or no experimentation has been reported in the literature to support these assumptions. This work reports results of experimentation regarding data collection via hands on experience of application of extreme programming to evaluate its effectiveness to enhance productivity. The work includes the development of a framework for distributed peer-to-peer (P2P) services. We have experimented with all the facets of XP and the management of change in the research environment has been critically analyzed and reported. The results experimentation clearly indicate the strength of XP to improve productivity in software development.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126102438","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: 12
Fuzzy control of baseline activity within the basal ganglia of rat brain 大鼠脑基底节区基线活动的模糊控制
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416749
M. Ozair, S. Enam-ur-Rehman, S. Enam
{"title":"Fuzzy control of baseline activity within the basal ganglia of rat brain","authors":"M. Ozair, S. Enam-ur-Rehman, S. Enam","doi":"10.1109/INMIC.2003.1416749","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416749","url":null,"abstract":"Deep brain stimulation (DBS) is an increasingly popular treatment modality for Parkinson's disease (PD) based on chronic electrical stimulation of the basal ganglia. The basal ganglia are responsible for regulating motor control of the human body, a function exemplified by disease states such as PD. We describe a novel technique based on a chronically implantable neural prosthetic device that could be used as a potential treatment in many basal ganglia disorders, including PD. The prosthetic device implements a fuzzy control of the baseline excitation of the motor cortex and derives a feedback loop from the thalamocortical pathway, thus forming a closed loop control. It improves over DBS by being self-adjustable, thereby eradicating the need of repeated adjustments of various parameters of the excitatory signal(s). The neural prosthetic device can be implanted in a rat brain and the fuzzy control rule set be derived from in vitro organotypic slice culture models of the basal ganglia.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125241863","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
Performance analysis of a 64-point FFT/IFFT block designed for OFDM technique used in WLANs 无线局域网中用于OFDM技术的64点FFT/IFFT块的性能分析
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416617
A.U. Khan, M. Al-Akaidi, S.A. Khan, S. Khattak, A. Mir
{"title":"Performance analysis of a 64-point FFT/IFFT block designed for OFDM technique used in WLANs","authors":"A.U. Khan, M. Al-Akaidi, S.A. Khan, S. Khattak, A. Mir","doi":"10.1109/INMIC.2003.1416617","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416617","url":null,"abstract":"In this paper, the architecture of a 64-point FFT for the OFDM technique used in WLAN standards is proposed. FFT is a complex function whose computational accuracy, hardware size and processing speed depends on the type of arithmetic format used to implement it. Due to the non-linearity of FFT, its computational accuracy is not easy to calculate theoretically. Therefore statistical or simulation methods are used. A simulation method to calculate the performance (hardware size, computational accuracy) of the FFT, based on fixed-point and floating-point formats, has been used. The paper demonstrates how a simple 64-point FFT, based on the fixed point arithmetic format has a performance comparable to that of a complex floating point arithmetic format. Comparison has been made between a fixed point FFT simulation model and a floating point reference model. The results deduced from comparison have shown that both the approaches provide similar results. However, use of simple FFT model greatly reduces the size of the hardware to be used to implement the OFDM technique","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"283 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122505854","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
On the optimal number of smart dust particles 关于智能粉尘颗粒的最佳数量
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416773
Samee U. Khan, Cemal Ardil
{"title":"On the optimal number of smart dust particles","authors":"Samee U. Khan, Cemal Ardil","doi":"10.1109/INMIC.2003.1416773","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416773","url":null,"abstract":"Smart dust particles are small smart materials used for generating weather maps. We investigate the open problem posed by Vidal et al (Geombinatorics, vol. 11, no. 2, pp. 54-58, 2001) on the optimal number of smart dust particles necessary for constructing a precise, cost effective and accurate 3D weather map.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129458764","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 novel approach to increase the robustness of speaker independent Arabic speech recognition 一种提高独立说话人阿拉伯语语音识别鲁棒性的新方法
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416753
M. Shoaib, F. Rasheed, J. Akhtar, M. Awais, S. Masud, S. Shamail
{"title":"A novel approach to increase the robustness of speaker independent Arabic speech recognition","authors":"M. Shoaib, F. Rasheed, J. Akhtar, M. Awais, S. Masud, S. Shamail","doi":"10.1109/INMIC.2003.1416753","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416753","url":null,"abstract":"This work presents a two-tier approach through sequential application of intensity contours and formant tracks for accurate Arabic phoneme identification. The recognition system developed is based on data sets of 40 speakers for each Arabic phonetic sound. As a first step towards recognition of phonemes, the sound is sampled and then preprocessed to get formant frequencies and intensity contours. In order to automate the intensity and formant based feature extraction, a generalized regression neural network has been implemented, trained and validated on 21 input features.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"65 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133753660","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: 11
Frequency-domain speech scrambling/descrambling techniques implementation and evaluation on DSP 频域语音置乱/解扰技术在DSP上的实现与评价
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416613
J. Ahmed, N. Ikram
{"title":"Frequency-domain speech scrambling/descrambling techniques implementation and evaluation on DSP","authors":"J. Ahmed, N. Ikram","doi":"10.1109/INMIC.2003.1416613","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416613","url":null,"abstract":"Speech scrambling/descrambling has always been a key component in secure communication systems. The paper describes the real-time implementation of frequency-domain speech scrambling/descrambling techniques on Texas Instruments' TMS320C6711 DSP. Three techniques, frequency-inversion, frequency hopping inversion and rolling code inversion, have been successfully implemented. Subsequently, the results of these techniques are evaluated and compared on the basis of their level of security","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133045975","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
Single electron memory - a mathematical model 单电子存储器——一个数学模型
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416692
R. Khalid, M.M. Ahmed
{"title":"Single electron memory - a mathematical model","authors":"R. Khalid, M.M. Ahmed","doi":"10.1109/INMIC.2003.1416692","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416692","url":null,"abstract":"Single electron memory (SEM) has received a lot of interest in research circles because of its promise for ultra-large scale integration. Room temperature SEM have to be fabricated at the nanometer scale and require a quantum mechanical treatment for their modeling. We have developed a semi-classical mathematical model for an electron tunneling into the memory node of a single tunnel junction SEM. We have used the 1D Schrodinger equation and elementary statistical physics and electromagnetics. We proceed by assuming the channel (reservoir) electrons to be a non-interacting free electron system, and show how an applied bias can increase the probability of electron tunneling. We have applied the model to an SEM reported in Futatsugi et al. (1998) and have found it to be in excellent agreement with the said characteristics with respect to the voltage at which a tunneling transition should take place","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115158294","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
A spread spectrum spatial steganographic processor core for textual information communication over streaming videos 一种用于流媒体视频文本信息通信的扩频空间隐写处理器核心
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416666
Sattar, Ahmad Khalil Khan, Habibullah Jamal
{"title":"A spread spectrum spatial steganographic processor core for textual information communication over streaming videos","authors":"Sattar, Ahmad Khalil Khan, Habibullah Jamal","doi":"10.1109/INMIC.2003.1416666","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416666","url":null,"abstract":"This work presents an architectural framework for concealing a message of substantial length within uncompressed streaming digital video using formalism of spread spectrum communication, symmetric ciphering and error control coding. The design effort is concentrated on achieving high levels of imperceptibility, security of the payload and its error free recovery without compromising on the overall performance.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133637538","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
Blind image restoration using multilayer backpropagator 基于多层反向传播器的图像盲恢复
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416615
Asmatullah, A. M. Mirza, A. Khan
{"title":"Blind image restoration using multilayer backpropagator","authors":"Asmatullah, A. M. Mirza, A. Khan","doi":"10.1109/INMIC.2003.1416615","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416615","url":null,"abstract":"We describe the problem of restoring a blurred and noisy image without any prior knowledge of the blurring function and the statistics of additive noise. A multilayer feed-forward neural network based on backpropagation algorithm is used for image restoration. The neural network is trained by applying backpropagation with momentum for fast convergence. The results of the backpropagation neural network model are compared to that of Wiener filter for high, moderate and low signal to noise ratio (SNR) blur functions. Improvement in signal to noise ratio (ISNR) is taken as a performance measure. It is observed that backpropagation neural network learns well in each case and restores all the test images reasonably, while Wiener filter performs well for high and moderate SNR blur but performs poorly for the low SNR case. ISNR values of 5.58 db, 5.15 db and 5.13 db has been achieved with this scheme for the peppers image, in comparison to values of 4.17db, 2.71db and -0.93db using Wiener filter for high, moderate and low SNR blur respectively.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122035539","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: 8
Performance evaluation of advanced features of H.26L video coding standard H.26L视频编码标准先进特性的性能评价
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416678
A. Ahmad, N. Khan, S. Masud, M. A. Maud
{"title":"Performance evaluation of advanced features of H.26L video coding standard","authors":"A. Ahmad, N. Khan, S. Masud, M. A. Maud","doi":"10.1109/INMIC.2003.1416678","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416678","url":null,"abstract":"The advanced features of the new H.26L video coding standard are compared and their performance is analyzed in the paper. The computational complexity and the compression performance of the codec have also been evaluated. Experimental results show that advanced features do not have an impact on the bitstream size in all cases. On the other hand, they may significantly affect the encoding time. The quality of the encoded streams does not change considerably.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"482 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125652261","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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