2016 6th International Conference on Computer and Knowledge Engineering (ICCKE)最新文献_第3页

Persian offline signature verification based on curvature and gradient histograms 基于曲率和梯度直方图的波斯语离线签名验证

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802131

Amir Soleimani, K. Fouladi, Babak Nadjar Araabi

{"title":"Persian offline signature verification based on curvature and gradient histograms","authors":"Amir Soleimani, K. Fouladi, Babak Nadjar Araabi","doi":"10.1109/ICCKE.2016.7802131","DOIUrl":"https://doi.org/10.1109/ICCKE.2016.7802131","url":null,"abstract":"The distinctive characteristic of Persian signature implies its own specific feature extraction approaches for verification systems. In this paper, inspired by the cursive nature of Persian signature, and motivated by the opinion of Persian forensic handwritten experts that put emphasis on this factor, we propose a framework for Persian offline signature verification that uses histogram of curvature (HOC) and histogram of oriented gradient (HOG) as features. Calculating curvature for offline signature due to lack of temporal information is not a straightforward task. To this end, we use a discrete curvature estimator that works by normalized gradient and its Jacobian matrix. We investigate the effect of preserving signatures' scale, center of gravity, grid size, grid overlapping, number of bins, and smoothing factor on the accuracy. Support vector machine (SVM) is used to train writer-dependent classifiers on genuine signatures and random forgeries as training samples. Results show competitive performance between HOC and HOG descriptors on UTSig dataset which consists of 8280 samples from 115 classes. Using combination of HOC and HOG descriptors, we achieve promising equal error rate for finding genuine signatures versus skilled forgeries, while false random forgery acceptance is close to zero.","PeriodicalId":205768,"journal":{"name":"2016 6th International Conference on Computer and Knowledge Engineering (ICCKE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128803651","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: 17

A new method for classification of POLSAR images 一种新的POLSAR图像分类方法

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802160

Nastaran Aghaei, G. Akbarizadeh

引用次数: 0

A threat risk estimation model for computer network security 计算机网络安全威胁风险评估模型

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802144

Razieh Rezaee, A. G. Bafghi, Masoud Khosravi-Farmad

{"title":"A threat risk estimation model for computer network security","authors":"Razieh Rezaee, A. G. Bafghi, Masoud Khosravi-Farmad","doi":"10.1109/ICCKE.2016.7802144","DOIUrl":"https://doi.org/10.1109/ICCKE.2016.7802144","url":null,"abstract":"Risk analysis of security threats in computer networks is one of the most challenging fields in network management. Security risk analysis is usually done by security experts. Although they utilize analysis tools such as scanners and analyzers, the need for expert is still inevitable. To reduce the need of security expertise for network administrator, yet performing security risk management, this paper proposes UML models to represent expert's security information. We propose a UML class diagram which is built up of necessary classes for security analysis of networks. These classes are the building blocks needed for estimation of probability and effects of security threats. This model is created once and represents the security information needed for analysis. To analyze any network, the needed objects should be instantiated from the provided classes. These objects form the security model of the network with all the threats and their risks specified in. To instantiate the objects of network security model, its information is needed. This information is usually available in documents of a network or is obtainable via automated scanners. We show the applicability of the proposed model on a test network. As the result, the security model of the network which contains its security threats and also their risks are obtained.","PeriodicalId":205768,"journal":{"name":"2016 6th International Conference on Computer and Knowledge Engineering (ICCKE)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126980377","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: 6

Weighted semi-supervised manifold clustering via sparse representation 基于稀疏表示的加权半监督流形聚类

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802146

Amir Abedi, R. Monsefi, Davood Zabih Zadeh

引用次数: 0

Bidirectional model transformation approaches a comparative study 双向模型转换方法的比较研究

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802159

Leila Samimi-Dehkordi, B. Zamani, S. Kolahdouz-Rahimi

{"title":"Bidirectional model transformation approaches a comparative study","authors":"Leila Samimi-Dehkordi, B. Zamani, S. Kolahdouz-Rahimi","doi":"10.1109/ICCKE.2016.7802159","DOIUrl":"https://doi.org/10.1109/ICCKE.2016.7802159","url":null,"abstract":"Bidirectional model transformations (Bx) are considered as one of the cornerstones of model-driven engineering paradigm. Bx re-establishes the consistency between the source and target models, when they are evolved independently. Recently, a large number of approaches for Bx are proposed, each with different capabilities and characteristics. Among them is a novel Bx approach, called EVL+trace, which have previously proposed by the authors. In order to choose an appropriate bidirectional transformation language for a particular task, a developer needs to evaluate and compare Bx approaches. In this paper, a comparison method is proposed in which a family of 19 major criteria, mainly inspired from programming language evaluation criteria and bidirectional features, is used to evaluate Bx languages. In order to investigate the effectiveness of the EVL+trace approach, it is compared to three well-known bidirectional languages including Query/View/Transformation-Relational (QVT-R), Triple Graph Grammar (TGG), and Janus Transformation Language (JTL) based on the elicited criteria. The results of analysis demonstrate the effectiveness of the comparison method for Bx approaches and the superiorities and weaknesses of EVL+trace.","PeriodicalId":205768,"journal":{"name":"2016 6th International Conference on Computer and Knowledge Engineering (ICCKE)","volume":"23 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123477951","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

ASIP Design for Two dimensional cordic based DFT and DCT algorithms 基于DFT和DCT算法的二维网格的ASIP设计

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802151

Mohammad Pivezhandi, M. Eshghi

{"title":"ASIP Design for Two dimensional cordic based DFT and DCT algorithms","authors":"Mohammad Pivezhandi, M. Eshghi","doi":"10.1109/ICCKE.2016.7802151","DOIUrl":"https://doi.org/10.1109/ICCKE.2016.7802151","url":null,"abstract":"In this paper a cordic based Application-Specific Instruction-set Processor(ASIP) for Two dimensional Discrete Fourier Transform(DFT) and Discrete Cosine Transform(DCT) is proposed. Today, DFT performs an important role in digital signal processing, and DCT algorithm is suitable for image compression applications. Using cordic method inside these two signal processing algorithms reduces the number of memory accesses. ASIP can act as an alternative to ASIC and GPP design if it does satisfy the critical points of power consumption, total delay, manufacturing cost and productivity of those designs. Furthermore, for satisfying these parameters, two stage of utilization is performed on the basic Mano model. As a mater of fact, temporary registers and data bus are improved, RAM and cache memory are added, and the number of Functional units is increased. As a result the number of gates in the control unit is decreased about 84% in the DFT and 86% in the DCT in comparison to the Mano design. Moreover, the DFT and the DCT instructions in this design consume 3.6% and 3.86% as the number of clocks as the Mano design does. Utilization in the proposed pipeline architecture is evaluated with Register Transfer Language (RTL) codes.","PeriodicalId":205768,"journal":{"name":"2016 6th International Conference on Computer and Knowledge Engineering (ICCKE)","volume":"64 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131561151","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

Improving the stateful robustness testing of embedded real-time operating systems 改进嵌入式实时操作系统的状态鲁棒性测试

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802133

Raheleh Shahpasand, Yasser Sedaghat, S. Paydar

{"title":"Improving the stateful robustness testing of embedded real-time operating systems","authors":"Raheleh Shahpasand, Yasser Sedaghat, S. Paydar","doi":"10.1109/ICCKE.2016.7802133","DOIUrl":"https://doi.org/10.1109/ICCKE.2016.7802133","url":null,"abstract":"Software fault tolerance is an important issue when using software systems in safety-critical applications. In such systems, software robustness is an essential requirement for improving software fault tolerance. Since an operating system (OS) is a major part of a safety-critical system, its robustness has considerable influence on the system's overall robustness. In recent years, researchers have emphasized the importance of considering the OS state in robustness testing. OS state is determined by analysis of the interactions between OS components. In this paper, an approach, named TIMEOUT, is proposed for robustness testing of embedded real-time OSs. This approach reveals the impact of time delays, i.e. inputs with invalid timing delay, on the OS kernel functionality. TIMEOUT takes the OS state into account and improves the existing robustness testing methods. The proposed approach has been implemented and the experiments have been performed on Linux PREEMPT-RT, which is an embedded real-time implementation of Linux operating system. The results show that OS state can influence the OS behavior with respect to fault tolerance, in the presence of time delays. Based on the results of this approach, system developers can identify criticality of OS states and improve robustness of OS in those states.","PeriodicalId":205768,"journal":{"name":"2016 6th International Conference on Computer and Knowledge Engineering (ICCKE)","volume":"1102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133766002","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

Wavelet based single trial Event Related Potential extraction in very low SNR conditions 低信噪比条件下基于小波的单次试验事件相关电位提取

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802120

S. Mortaheb, Farzad Rostami, Safoura Shahin, R. Amirfattahi

引用次数: 4

Multi-objective mobile robot path planning based on A* search 基于A*搜索的多目标移动机器人路径规划

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802107

K. Jeddisaravi, Reza Javanmard Alitappeh, F. Guimarães

引用次数: 26

Leveraging big data technology for small and medium-sized enterprises (SMEs) 利用大数据技术为中小企业服务

2016 6th International Conference on Computer and Knowledge Engineering (ICCKE) Pub Date : 2016-10-01 DOI: 10.1109/ICCKE.2016.7802106

Reza Shokri Kalan, M. Ünalir

引用次数: 12