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Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology最新文献

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Automated parameterization of active contours: A brief survey 活动轮廓的自动参数化:简要综述
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781905
Eleftheria A. Mylona, M. Savelonas, D. Maroulis
{"title":"Automated parameterization of active contours: A brief survey","authors":"Eleftheria A. Mylona, M. Savelonas, D. Maroulis","doi":"10.1109/ISSPIT.2013.6781905","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781905","url":null,"abstract":"Active contours yield segmentation results which depend on an initial empirical parameterization stage. The latter is a tedious and time-consuming process that requires technical skills from the end user. Automated adjustment of active contour parameters is still a challenging issue. This survey reviews state-of-the-art active contours which attempt to cope with the issue of empirical parameterization, so as to secure the objectivity and robustness of the segmentation results. Numerous attempts utilize information associated with contour evolution and shape priors, whereas others are hybrid, driven by both empirical and automatically obtained parameter settings. Most recent models are spatially varying and versatile regarding the application and the energy functional to be minimized.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"77 1","pages":"000344-000349"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79504621","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 comparative study of audio compression based on compressed sensing and Sparse Fast Fourier transform (SFFT): Performance and challenges 基于压缩感知和稀疏快速傅里叶变换(SFFT)的音频压缩的比较研究:性能和挑战
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781923
Hossam M. Kasem, M. Elsabrouty
{"title":"A comparative study of audio compression based on compressed sensing and Sparse Fast Fourier transform (SFFT): Performance and challenges","authors":"Hossam M. Kasem, M. Elsabrouty","doi":"10.1109/ISSPIT.2013.6781923","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781923","url":null,"abstract":"Audio compression has become one of the basic multimedia technologies. Choosing an efficient compression scheme that is capable of preserving the signal quality while providing a high compression ratio is desirable in the different standards worldwide. In this paper we study the application of two highly acclaimed sparse signal processing algorithms, namely, Compressed Sensing (CS) and Sparse Fart Fourier transform, to audio compression. In addition, we present a Sparse Fast Fourier transform (SFFT)-based framework to compress audio signal. This scheme embeds the K-largest frequencies indices as part of the transmitted signal and thus saves in the bandwidth required for transmission.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"178 1","pages":"000452-000457"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74877574","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: 10
Image enhancement using E-spline functions 图像增强使用e样条函数
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781890
M. Fahmy, G. Fahmy, O. Fahmy
{"title":"Image enhancement using E-spline functions","authors":"M. Fahmy, G. Fahmy, O. Fahmy","doi":"10.1109/ISSPIT.2013.6781890","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781890","url":null,"abstract":"Exponential spline polynomials (E-splines) represent the best smooth transition between continuous and discrete domains. As they are constructed from convolution of exponential segments, there are many degrees of freedom to optimally choose the most convenient E-spline, suitable for a specific application. In this paper, the parameters of these E-splines were optimally chosen, to enhance the performance of image de-noising as well as image zooming schemes. The proposed technique is based on minimizing the total variation function of the detail coefficients of the E-spline based wavelet decomposition. In image de-noising schemes, apart from E-spline parameter estimations, the thresholding levels of their detail coefficients, are also optimally chosen. In zooming applications, the quality of interpolated images are further improved and sharpened by applying ICA technique to them, in order to remove any dependency. Illustrative examples are given to verify image enhancement of the proposed e-spline scheme, when compared with the existing approaches.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"5 1","pages":"000261-000266"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74394011","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
KnowYourColors: Visual dashboards for blood metrics and healthcare analytics KnowYourColors:用于血液指标和医疗保健分析的可视化仪表板
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781845
Kristopher Reese, Russell Bessette, Pricilla Hancock
{"title":"KnowYourColors: Visual dashboards for blood metrics and healthcare analytics","authors":"Kristopher Reese, Russell Bessette, Pricilla Hancock","doi":"10.1109/ISSPIT.2013.6781845","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781845","url":null,"abstract":"The understanding of medical test results is markedly improved through the use of visual analytics. While traditional theorists in the field of healthcare analytics seek to improve decision making through data mining and machine learning, Visual Analytics augments that intelligence by providing an interface to integrate all of the data in a composite image. KnowYourColors™ is a visual analytics interface providing many dashboards to help the healthcare and insurance providers make better decisions in treatment and spending. This paper discusses many of the visualizations that are used in those applications. This includes new visualizations focused around polar area diagrams that are designed for showing blood metrics and visualizations of prior research work that help in the decision making process. This paper also demonstrates the effectiveness of the application and the reactions of physicians and patients.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"331 1","pages":"000002-000008"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80526787","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
Voice conversion based on State Space Model and considering global variance 基于状态空间模型并考虑全局方差的语音转换
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781917
M. Ahangar, Mostafa Ghorbandoost, H. Sheikhzadeh, K. Raahemifar, Abdoreza Sabzi Shahrebabaki, Jamal Amini
{"title":"Voice conversion based on State Space Model and considering global variance","authors":"M. Ahangar, Mostafa Ghorbandoost, H. Sheikhzadeh, K. Raahemifar, Abdoreza Sabzi Shahrebabaki, Jamal Amini","doi":"10.1109/ISSPIT.2013.6781917","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781917","url":null,"abstract":"Voice conversion based on State Space Model (SSM) has been recently proposed to address the discontinuity problem in the traditional frame-based voice conversion by considering the spectral envelope evolutions. However, the results are over-smoothed. To resolve this problem, in this paper we propose a new procedure for integrating the global variance constraint into the SSM-based voice conversion. Moreover, unlike the SSM-based method, we allow the state-vector order to be higher than the feature-vector order. Experimental results verify that the proposed method significantly improves the performance of the SSM-based voice conversion in terms of speaker individuality and speech quality. Our experiments also show that the proposed method outperforms the well-known Maximum Likelihood estimation method that considers the Global Variance in terms of speech quality.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"42 1","pages":"000416-000421"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80679911","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
Hierarchical preprocessing for improving the blotch detection performances 改进斑点检测性能的分层预处理
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781886
Heyfa Ammar, A. Benazza-Benyahia
{"title":"Hierarchical preprocessing for improving the blotch detection performances","authors":"Heyfa Ammar, A. Benazza-Benyahia","doi":"10.1109/ISSPIT.2013.6781886","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781886","url":null,"abstract":"In this work, we are interested in detecting a special type of degradation called blotch in old films. More precisely, our goal is to improve the detection performances by simultaneously increasing the correct detection rate and reducing the false alarmrate achieved by some conventional detectors. The detection procedure consists of mainly two steps. The regions that are likely to be corrupted are firstly located. Then, a conventional detector is applied only on these candidate regions to locate the blotched pixels. The novelty of our contribution is to detect the candidate regions at different resolution levels. This allows to handle both the different blotch sizes and the varying motion magnitudes of the objects. Experimental simulations carried out on real degraded sequences indicate the efficiency of the proposed approach.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"36 1","pages":"000237-000242"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84069508","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
Exploiting metropolitan optical networks for high speed interconnections at schools 利用城域光网络在学校实现高速互连
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781862
M. Paraskevas, V. Athanasopoulos, T. Zarouchas, S. Louvros
{"title":"Exploiting metropolitan optical networks for high speed interconnections at schools","authors":"M. Paraskevas, V. Athanasopoulos, T. Zarouchas, S. Louvros","doi":"10.1109/ISSPIT.2013.6781862","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781862","url":null,"abstract":"This work presents the interconnection scheme for Greek School Network that is heavily relied on well-established metropolitan optical networks. The case of the metropolitan optical network located at the Municipality of Kalamata is analyzed and the potential large-scale deployment of this networking scheme is examined. Also, critical security aspects are briefly discussed.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"27 1","pages":"000102-000107"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87425514","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
Smart cards: State-of-the-art to future directions 智能卡:从现在到未来的发展方向
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781871
Raja Naeem Akram, K. Markantonakis
{"title":"Smart cards: State-of-the-art to future directions","authors":"Raja Naeem Akram, K. Markantonakis","doi":"10.1109/ISSPIT.2013.6781871","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781871","url":null,"abstract":"The evolution of smart card technology provides an interesting case study of the relationship and interactions between security and business requirements. This paper maps out the milestones for smart card technology, discussing at each step the opportunities and challenges. The paper reviews recently proposed innovative ownership/management models and the security challenges associated with them. The paper concludes with a discussion of possible future directions for the technology, and the challenges these present.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"10 1","pages":"000154-000162"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83762285","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
Comparative analysis of classification techniques for building block extraction using aerial imagery and LiDAR data 基于航空图像和激光雷达数据的建筑块提取分类技术的比较分析
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781858
E. Bratsolis, S. Gyftakis, E. Charou, N. Vassilas
{"title":"Comparative analysis of classification techniques for building block extraction using aerial imagery and LiDAR data","authors":"E. Bratsolis, S. Gyftakis, E. Charou, N. Vassilas","doi":"10.1109/ISSPIT.2013.6781858","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781858","url":null,"abstract":"Building detection has been a prominent area in the area of image classification. Most of the research effort is adapted to the specific application requirements and available datasets. In this paper we present a comparative analysis of different classification techniques for building block extraction. Our dataset includes aerial orthophotos (with spatial resolution 20cm), a DSM generated from LiDAR (with spatial resolution 1m and elevation resolution 20 cm) and DTM (spatial resolution 2m) from an area of Athens, Greece. The classification methods tested are unsupervised (K-Means, Mean Shift), and supervised (Feed Forward Neural Net, Radial-Basis Functions, Support Vector Machines). We evaluated the performance of each method using a subset of the test area. We present the classified images, and statistical measures (confusion matrix, kappa coefficient and overall accuracy). Our results demonstrate that the top unsupervised method is the Mean Shift that performs similarly to the best supervised methods.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"1 1","pages":"000080-000085"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76881409","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
Effects of different prediction schemes on lossless invisible watermarking 不同预测方案对无损不可见水印的影响
Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI: 10.1109/ISSPIT.2013.6781855
Nimisha Agarwal, Ayush Kumar, Juhi Bhadviya, G. Ramponi
{"title":"Effects of different prediction schemes on lossless invisible watermarking","authors":"Nimisha Agarwal, Ayush Kumar, Juhi Bhadviya, G. Ramponi","doi":"10.1109/ISSPIT.2013.6781855","DOIUrl":"https://doi.org/10.1109/ISSPIT.2013.6781855","url":null,"abstract":"In view of high data embedding capacity and many real time applications, we have proposed a reversible invisible watermarking algorithm. The technique is used to embed a set of watermark data in an image using a one pass embedding process and later recovering the original image without any loss, after the extraction of watermark. Main motivation behind this work is the usage of two different prediction schemes-Weighted Causal Average and Context Based Image Compression Algorithm, to obtain two images similar to the original image, and using the error pattern resulted from the two predicted images to embed data depending upon the nature of image. Based on this error pattern, binary data is embedded in an image using two different embedding schemes- Bijective Mirror Mapping technique and Histogram Shifting Algorithm, resulting in better embedding capacity or payload capacity and better PSNR than other reversible one-pass watermarking algorithms mentioned in literature.","PeriodicalId":88960,"journal":{"name":"Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology","volume":"7 1","pages":"000064-000068"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81082145","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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