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2016 International Conference on Audio, Language and Image Processing (ICALIP)最新文献

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Analysis of student activities trajectory and design of attendance management based on internet of things 基于物联网的学生活动轨迹分析及考勤管理设计
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846537
Zhongyun Jiang
Student activity trajectory analysis and attendance management are the important content of the management of university students. In view of the existing situation of low efficiency and high cost, it is necessary to design a smart management system based on Internet of things technology. Using the radio frequency identification technology and wireless sensor network technology to capture the trajectory of the students' activities, it can provide analysis data for the student attendance management system. The student attendance management system based on Internet of things can record and analyze students' activities trajectory, and grasp real-time dynamics of students. The system is conducive to improve the quality of teaching and management of students.
学生活动轨迹分析和考勤管理是高校学生管理的重要内容。针对目前效率低、成本高的现状,有必要设计一套基于物联网技术的智能管理系统。利用射频识别技术和无线传感器网络技术捕捉学生的活动轨迹,为学生考勤管理系统提供分析数据。基于物联网的学生考勤管理系统可以记录和分析学生的活动轨迹,掌握学生的实时动态。该系统有利于提高教学质量和对学生的管理。
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引用次数: 7
Face recognition based on LBPH and regression of Local Binary features 基于LBPH和局部二值特征回归的人脸识别
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846668
Gao Xiang, Zhu Qiuyu, Wang Hui, Chen Yan
This paper presents a system to recognize face by a variation of LBPH. We use a method of regression of local binary features to get the landmark of face image whose computational complexity is very low. We utilize these landmark points which can be trained to align the face, to extract the facial features. By calculating the Local Binary Patterns Histogram (LBPH) of these landmark points and its neighborhood pixels, we can extract effective facial feature to realize face recognition. This method can increase the calculating speed of LBPH and also can improve the recognition rate. Finally, we show the experimental results using this method to recognize face.
本文提出了一种基于LBPH变化的人脸识别系统。我们采用局部二值特征回归的方法来获得计算复杂度很低的人脸图像地标。我们利用这些可以训练的地标点来对齐面部,提取面部特征。通过计算这些地标点及其邻域像素的局部二值模式直方图(LBPH),提取有效的人脸特征,实现人脸识别。该方法提高了LBPH的计算速度,提高了识别率。最后,给出了该方法用于人脸识别的实验结果。
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引用次数: 16
Dynamic password token based on SM3 algorithm 基于SM3算法的动态口令令牌
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846644
Deke Kong, Xuzhi Wang, Linxia Zhong, Yangyang Sha, Zhongbin Li
With the development of Internet technology, dynamic password token have won more and more favor in the field of identity authentication with the good security and ease of operation. Nowadays, foreign's SHA series of algorithms of dynamic password productsare widely using in our country, which have caused a potential threaten for the localization of information security. To realize the research and development of the independent technology products based state-owned cipher algorithm will make encryption products be better safeguarded. In this paper, I select the dynamic password authentication technology based on time synchronization, and a dynamic password is designed by using the state-owned SM3 algorithm Experimental result show that this method has high security and value.
随着互联网技术的发展,动态口令令牌以其良好的安全性和易操作性在身份认证领域受到越来越多的青睐。目前,国外SHA系列动态密码产品算法在我国广泛应用,对信息安全本地化造成了潜在的威胁。实现基于国有密码算法的自主技术产品的研发,将使加密产品得到更好的保障。本文选择了基于时间同步的动态口令认证技术,并采用国有SM3算法设计了动态口令。实验结果表明,该方法具有较高的安全性和使用价值。
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引用次数: 2
Improving Spark performance with MPTE in heterogeneous environments 在异构环境中使用MPTE改进Spark性能
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846627
Hongbin Yang, Xianyang Liu, Shenbo Chen, Zhou Lei, Hongguang Du, C. Zhu
Spark has become the first choice of distributed computing framework for big data processing. The biggest highlight is the use of in-memory computations on large clusters, which is suitable for iterative computing and interactive computing. However, the straggler machines can seriously affect their performance. The current approach of Spark is speculative execution which selects the slow tasks and resubmit them, but there are two deficiencies: Firstly, it directly uses the median time to judge whether the task is abnormal, this may be misleading in reality; Secondly, the backup tasks are directly added to the task queue without taking into account the presence of straggler machines. These deficiencies will further extend the execution time of a job. Therefore, we design a improved speculative strategy, Multiple Phases Time Estimation (MPTE), which greatly reduces the impact of straggler machines. In MPTE, we use the remaining time estimated based on multiple phases to select slow tasks, and we improve the task scheduler for backup tasks scheduling. Experiment results show that MPTE can improve the accuracy of determining if should run a speculative copy for a task by about 20% compared to Spark native scheduler.
Spark已经成为大数据处理分布式计算框架的首选。最大的亮点是在大型集群上使用内存计算,适合迭代计算和交互计算。但是,掉队的机器会严重影响它们的性能。Spark目前的方法是推测执行,选择慢的任务重新提交,但存在两个不足:一是直接使用中值时间来判断任务是否异常,这在现实中可能会产生误导;其次,不考虑离散机的存在,直接将备份任务添加到任务队列中。这些缺陷将进一步延长作业的执行时间。因此,我们设计了一种改进的推测策略,多相时间估计(MPTE),大大减少了离散机的影响。在MPTE中,我们使用基于多阶段估计的剩余时间来选择慢任务,并改进任务调度程序用于备份任务调度。实验结果表明,与Spark本机调度器相比,MPTE可以将确定是否应该为任务运行推测副本的准确性提高约20%。
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引用次数: 13
3D facial reconstruction of based on OpenCV and DirectX 基于OpenCV和DirectX的三维人脸重建
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846562
Jing Yin, X. Yang
Face as a biometric identification in computer vision is an important medium, in areas such as video surveillance, animation games, security anti-terrorist has a very wide range of applications, creating vivid, strong visibility of 3d face model, now has become a challenging in the field of computer vision is one of the important topics. At first, this paper used the zhongxing-micro ZC301P cameras to build a binocular stereo vision system for recording images. After the camera calibration and binocular calibration, the three-dimensional data of facial images were extracted using the functions of OpenCV computer vision library, and then 3d face model were reconstructed preliminary by DirectX. According the reconstruction process, the human face three-dimensional reconstruction software was designed and developed. The paper laid the foundation for the next step work that is to obtain more clear and strong visibility of 3d face.
人脸作为生物特征识别在计算机视觉中的重要媒介,在视频监控、动画游戏、安防反恐等领域有着非常广泛的应用,创建逼真、可视性强的三维人脸模型,目前已成为具有挑战性的计算机视觉领域的重要课题之一。本文首先使用中兴微ZC301P相机搭建双目立体视觉系统进行影像记录。在摄像机标定和双目标定后,利用OpenCV计算机视觉库的功能提取人脸图像的三维数据,然后利用DirectX进行三维人脸模型的初步重构。根据重建过程,设计开发了人脸三维重建软件。本文为下一步的工作奠定了基础,即获得更清晰、更强的三维人脸可见性。
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引用次数: 4
The design on intelligent physical warning system for fireman 消防队员智能物理报警系统的设计
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846531
W. Jiang, Chang Chen, Yan Cai
This paper concludes that traditional fireman uniform has defect on application. In order to improve the coefficient fireman's personal safety, a kind of multi-individual multi-parameter multi-sensor intelligent physical warning system for fireman(IPESF) is proposed. At length, it introduces the structure of system platform and the design of each module. Corresponding software is developed on monitor-display terminator which could check several fire environment and position where firemen stay as well as their crucial physiological information so that the warnings could be provided. Moreover, suitable data processing algorithm is selected to ensure the accuracy when the data of human body are transmitting avoiding that the optimal rescuing time is lost owing to delay of decision. Therefore, the coefficient fireman's personal safety are enhanced greatly. Finally, the experimental test environment is built and results verifies that this system has remarkable advantages including low power consumption, low transmitting error rate, strong anti-interference.
本文认为,传统消防员制服在应用上存在缺陷。为了提高消防员的人身安全系数,提出了一种多个体、多参数、多传感器的消防员智能物理预警系统。最后介绍了系统平台的结构和各模块的设计。在监控显示终端上开发了相应的软件,可以查看消防人员所处的几种火灾环境和位置,以及消防人员的重要生理信息,从而提供预警。选择合适的数据处理算法,保证人体数据传输时的准确性,避免因决策延迟而损失最佳抢救时间。因此,大大提高了消防员的人身安全系数。最后搭建了实验测试环境,结果验证了该系统具有功耗低、传输误差率低、抗干扰能力强等显著优点。
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引用次数: 4
Research on HVDC single-ended fault traveling wave location method based on FastICA 基于FastICA的高压直流单端故障行波定位方法研究
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846524
Liu Yue
Detecting the mutation information in traveling wave is the key point to realize high voltage direct current (HVDC) transmission line ground fault location, and the fault voltage traveling wave is essentially independent, therefore, the fault location method based on fast independent component analysis (FastICA) algorithm is proposed in this paper. According to the single-ended fault traveling wave location principle, the FastICA is used to isolate fault voltage traveling wave feature signals from multi-channel high voltage direct current transmission line voltage signals, the time of first and second traveling wave head reach the measurement point are recognized, as well as the polarity of the two wave heads are distinguished. The HVDC transmission system model is established in Matlab for simulating a variety of line to ground fault types, the results show that the traveling wave location method based on FastICA can isolate the fault voltage traveling wave feature signals effectively, and the mutation information can be extracted accurately for realizing fault location.
检测行波中的突变信息是实现高压直流输电线路接地故障定位的关键,而故障电压行波本质上是独立的,因此本文提出了基于快速独立分量分析(FastICA)算法的故障定位方法。根据单端故障行波定位原理,利用FastICA从多路高压直流输电线路电压信号中分离出故障电压行波特征信号,识别出第一、第二行波到达测点的时间,并区分出两行波的极性。在Matlab中建立了高压直流输电系统模型,对多种线路对地故障类型进行了仿真,结果表明,基于FastICA的行波定位方法能有效地隔离故障电压行波特征信号,并能准确提取突变信息,实现故障定位。
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引用次数: 3
Short text classification based on LDA topic model 基于LDA主题模型的短文本分类
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846525
Qiuxing Chen, Lixiu Yao, Jie Yang
As the rapid development of computer technology and network communication, short text data has increased enormously. Classifying the short text snippets is a great challenge to due to its less semantic information and high sparseness. In this paper, we proposed an improved short text classification method based on Latent Dirichlet Allocation topic model and K-Nearest Neighbor algorithm. The generated probabilistic topics help both make the texts more semantic-focused and reduce the sparseness. In addition, we present a novel topic similarity measure method with the topic-word matrix and the relationship of the discriminative terms between two short texts. A short text dataset for experiment validation is constructed by crawling the posts from Sina News website. The extensive and comparable experimental results obtained show the effectiveness of our proposed method.
随着计算机技术和网络通信的飞速发展,短文本数据急剧增加。摘要短文本的语义信息少,稀疏性高,对其进行分类是一个很大的挑战。本文提出了一种改进的基于Latent Dirichlet Allocation主题模型和K-Nearest Neighbor算法的短文本分类方法。生成的概率主题既可以使文本更加关注语义,又可以降低稀疏性。此外,我们还提出了一种新的基于主题词矩阵和两篇短文本之间判别词关系的主题相似度度量方法。通过抓取新浪新闻网站上的帖子,构建了一个用于实验验证的短文本数据集。大量的、可比较的实验结果表明了该方法的有效性。
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引用次数: 63
The simulation of building escape system based on Unity3D 基于Unity3D的建筑逃生系统仿真
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846656
Qiyun Sun, W. Wan, Xiaoqing Yu
With the maturity of a variety of 3D modeling software and animation software as well as the emergence of various virtual reality equipment, Virtual reality technology has received more attention and application. In this paper, the author uses 3Ds Max and Esri CityEngine to generate 3D modeling and animation. These models are imported into Unity 3D to simulate the escape scene. The result of the simulation can be displayed and interacted by virtual reality head wear equipment named Oculus Rift DK2. The simulation provides users with direct feelings and experience about the proposed escape system.
随着各种3D建模软件和动画软件的成熟,以及各种虚拟现实设备的出现,虚拟现实技术得到了越来越多的关注和应用。在本文中,作者使用3Ds Max和Esri CityEngine生成三维建模和动画。这些模型被导入到Unity 3D中来模拟逃跑场景。仿真结果可以通过虚拟现实头戴设备Oculus Rift DK2进行显示和交互。模拟为用户提供了对拟建逃生系统的直接感受和体验。
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引用次数: 9
An efficient framework for lossless color image compression 一种高效的彩色图像无损压缩框架
Pub Date : 2016-07-11 DOI: 10.1109/ICALIP.2016.7846634
Zhikui Luo, Y. Wan
There are many methods for compressing color images nowadays and most of them are lossy. However, in many important situations, lossless color image compression is irreplaceable. In this paper, we propose an efficient lossless color image compression framework. In this framework, for an RGB image, it is first decorrelated via a reversible color transform. In the new color space, the color components are directly downsampled and then interpolated to the original size. Next we subtract these interpolated components from their original counterparts to obtain the prediction errors, which together with the color subcomponents are compressed via Huffman coding. At the decoder, the exact reverse process is used to reconstruct the original color images. Experimental results show that the proposed method achieves overall better compression performance compared with the famous CALIC algorithm and some other popular methods used in the TIFF and PNG color image compression standards.
目前彩色图像的压缩方法很多,但大多数都是有损压缩。然而在许多重要场合,彩色图像无损压缩是不可替代的。本文提出了一种高效的彩色图像无损压缩框架。在这个框架中,对于RGB图像,首先通过可逆颜色变换去相关。在新的颜色空间中,直接对颜色分量进行下采样,然后插值到原始尺寸。接下来,我们从原始分量中减去这些插值分量以获得预测误差,并通过霍夫曼编码将其与颜色子分量一起压缩。在解码器处,使用完全相反的过程来重建原始彩色图像。实验结果表明,与著名的CALIC算法以及TIFF和PNG彩色图像压缩标准中使用的一些常用方法相比,该方法总体上具有更好的压缩性能。
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引用次数: 1
期刊
2016 International Conference on Audio, Language and Image Processing (ICALIP)
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