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2018 15th International Joint Conference on Computer Science and Software Engineering (JCSSE)最新文献

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An nO(1/ϵ) Approximation Scheme For The Minimum Dominating Set In Unit Disk Graphs 单位磁盘图最小支配集的nO(1/ λ)逼近方案
Jittat Fakcharoenphol, Pattara Sukprasert
We present an $n^{O(1/epsilon )}$ PTAS for minimum dominating set problem in unit disk graphs. Our approach gives an asymptotic improvement over the best known [Nieberg and Hurink WAOA2005], which runs in $n^{O(1/epsilon log 1/epsilon )}$, under a more strict (but typical) assumption that the underlying geometric structure is known, i.e., the locations of all unit disks are specified. Our key ingredient is an improved dynamic programming algorithm that depends exponentially on a more essential 1-dimensional “width” of the problem.
提出了一个求解单位磁盘图最小支配集问题的$n^{O(1/epsilon )}$ PTAS。我们的方法给出了最著名的[Nieberg和Hurink WAOA2005]的渐进改进,该方法在$n^{O(1/epsilon log 1/epsilon )}$上运行,在更严格(但典型)的假设下,底层几何结构是已知的,即所有单元磁盘的位置都是指定的。我们的关键成分是一种改进的动态规划算法,它以指数方式依赖于问题更基本的一维“宽度”。
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引用次数: 1
Bokk Meow: A Mobile Application for Finding and Tracking Pets Bokk喵:一个寻找和跟踪宠物的移动应用程序
Songsri Tangsripairoj, Parit Kittirattanaviwat, Kamonwan Koophiran, Lalita Raksaithong
Nowadays, the number of pets lost is increasing in Thailand. This is because the pet owners cannot find their pet when it gets lost or pets may not have a chance to get back again due to an accident or dangerous disease. In order to prevent this problem, this research project proposes Bokk Meow, which is a mobile application for pet owners to find and track their pets anywhere and anytime. Bokk Meow has six main functions, which are managing user and pet information, tracking and finding pets by applying GPS technology with a tracking pet collar, planning a schedule for pet care and activities, posting and viewing news feeds, searching nearest pet clinics or pet shops, and viewing useful pet care and pet information. By using Bokk Meow, the pet owners can find their pets more conveniently than in the past and take primary care of their pets when they get sick. As a result, the application can help decrease the number of stray pets in the community.
如今,泰国丢失的宠物数量正在增加。这是因为当宠物丢失时,主人无法找到他们的宠物,或者宠物可能由于事故或危险的疾病而没有机会再次回来。为了防止这个问题,这个研究项目提出了Bokk Meow,这是一个让宠物主人随时随地寻找和跟踪他们的宠物的移动应用程序。Bokk Meow有6个主要功能,分别是管理用户和宠物信息、通过追踪宠物项圈应用GPS技术跟踪和寻找宠物、计划宠物护理和活动日程、发布和查看新闻源、搜索最近的宠物诊所或宠物商店、查看有用的宠物护理和宠物信息。通过使用Bokk Meow,宠物主人可以比过去更方便地找到他们的宠物,并在宠物生病时照顾他们的宠物。因此,该应用程序可以帮助减少社区中流浪宠物的数量。
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引用次数: 6
JCSSE 2018 Program Committee JCSSE 2018项目委员会
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引用次数: 0
The Disaster Victim Locating System with a Smartphone Without a Telecommunication System 没有电信系统的智能手机灾民定位系统
Boonyarith Piriyothinkul, Patcharapon Joksamut, Kitsuchart Pasupa
There are many types of disaster. Some of them cannot be predicted in advance. Therefore, we cannot prepare to handle or evacuate people before the incident, resulting in many victims waiting for help. This paper proposes a system called “IamHere” that can be used as a tool for the rescuers to locate victim easier. In most cases, people will have a smartphone device that has become an integral part of both our work and personal lives. These smartphones can be used for rescue in various emergency situations to reduce the difficulty and resuscitation time of the rescuers. IamHere system is divided into three components, i.e., a website, rescue side application, and victim’s application. The websites are for monitoring the user’s overall information. The rescue side application can create a unique Wireless LAN (SSID) identifier to activate the application that was installed on the victim’s smartphone. Then the victim’s phone will generate a loud noise to help the rescue team locate them more easily. The response of rescue experts to the system was that our system was able to provide a reasonable level of assistance. The system also requires the participation from other emergency response sectors for use in various real-world situations.
灾难有很多种。其中一些是无法提前预测的。因此,我们无法在事件发生前准备好处理或疏散人员,导致许多受害者等待帮助。本文提出了一个名为“IamHere”的系统,可以作为救援人员更容易定位受害者的工具。在大多数情况下,人们将拥有智能手机设备,它已成为我们工作和个人生活中不可或缺的一部分。这些智能手机可以在各种紧急情况下进行救援,减少救援人员的难度和复苏时间。IamHere系统分为三个部分,即网站、救援端应用和受害者端应用。网站是用来监控用户整体信息的。救援端应用程序可以创建一个唯一的无线局域网(SSID)标识符来激活安装在受害者智能手机上的应用程序。然后,受害者的手机会产生很大的噪音,以帮助救援队更容易地找到他们。救援专家对该系统的反应是,我们的系统能够提供合理水平的援助。该系统还需要其他应急部门的参与,以便在各种现实情况下使用。
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引用次数: 0
VizLOD: Schema Extraction And Visualization Of Linked Open Data 链接开放数据的模式提取和可视化
Chutiporn Anutariya, Reshma Dangol
Even though the concept of Linked Open Data has been around for over two decades, understanding a new dataset still remains as a challenging task demanding lot of time and effort. Its flexibility of integrating multiple ontolo-gies/vocabularies in itself creates a challenge as it leads to difficulty in understanding the schema of the dataset. In this paper, we propose VizLOD, a web based tool that extracts schema information by inferring ontological characteristics based on the triples in the LOD data sources. SPARQL queries are used for this purpose. The extracted schema information is visualized using an interactive node-link graph that eases the cognitive load on the users. To add clarity to the dataset, instance view is also provided in tabular form and as an instance level graph. Our preliminary experiments have shown some promising results for VizLOD.
尽管关联开放数据的概念已经存在了二十多年,但理解一个新的数据集仍然是一项具有挑战性的任务,需要大量的时间和精力。它本身集成多个本体/词汇表的灵活性带来了挑战,因为它导致难以理解数据集的模式。在本文中,我们提出了一个基于web的工具VizLOD,它基于LOD数据源中的三元组推断本体特征来提取模式信息。SPARQL查询用于此目的。提取的模式信息使用交互式节点链接图进行可视化,从而减轻了用户的认知负担。为了使数据集更加清晰,实例视图还以表格形式和实例级图的形式提供。我们的初步实验显示了VizLOD的一些有希望的结果。
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引用次数: 9
RGB Color Measuringc Tool Of Simple Colorimetric Detection For High Throughput Antioxidant Capacity Assay On Well Plate 用于孔板高通量抗氧化能力测定的RGB简单比色检测工具
Benjamas Panyangam, Papangkorn Inkeaw, Jeerayut Chaijaruwanich, Nathida Chamklan, J. Jakmunee
High throughput screening (HTS) assays is routinely used in basic biochemical, cell biology and drug discovery research. A system called Simple Colorimetric Detection (SCD) for HST of antioxidant capacity was presented. It performs on colorimetric method that uses observable colors of chemical reaction to estimate the antioxidant concentration. Previously, manual detecting the color intensity by using an image editor tool was used. It takes a lot of time and workforce. In this work, we proposes an automatic color measuring method for the SCD system. The proposed method consists of four steps. It obtains a color image of well plate as an input image. In the first step, region of well plate is d etermined. Next, we apply an edge detection and morphological techniques to obtain all objects on the well plate in the second step. The obtaining objects on the well plate are classified into spot or non-spot. The radius and eccentricity of each object are used for this purpose. In the third step, all spot locations are estimated by using the information of detected spots. Finally, color intensities of each spot is measured. The experimental results show that the proposed method perfectly detected all spots on well plate images generated from the SCD instrument. Moreover, it performed well in measuring color intensity values with acceptable precision. We additionally demonstrated how it works in practical with real dataset obtained from the SCD system.
高通量筛选(HTS)检测在基础生物化学、细胞生物学和药物发现研究中经常使用。提出了一种简单比色法检测HST抗氧化能力的方法。采用比色法,利用化学反应中可观察到的颜色来估计抗氧化剂的浓度。以前,使用图像编辑工具手动检测颜色强度。这需要大量的时间和人力。本文提出了一种适用于SCD系统的自动测色方法。该方法分为四个步骤。得到孔板的彩色图像作为输入图像。第一步,确定井板区域。接下来,我们在第二步中应用边缘检测和形态学技术来获得孔板上的所有物体。将井板上的获取对象分为斑点和非斑点。每个物体的半径和离心率都用于此目的。第三步,利用检测到的斑点信息估计所有斑点的位置。最后,测量每个斑点的颜色强度。实验结果表明,该方法能较好地检测出SCD仪器生成的孔板图像上的所有斑点。此外,它在测量色彩强度值方面表现良好,精度可接受。我们还用从SCD系统获得的真实数据集演示了它在实际中的工作原理。
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引用次数: 0
Face Recognition In Unconstrained Environment 无约束环境下的人脸识别
Wipawee Srisawasd, S. Wongthanavasu
Face recognition has been a challenging research problem to date due to its applications. Researchers are currently focusing on a rare number of images, various face poses, and illuminations. This paper proposes a new promising approach to cope with the face recognition in unconstrained environment. It uses a single face image in various poses (non-frontal face) and various illuminations. It applied Histogram Equalization (HE) to get rid of illuminations and using mirrored images to augment the number of face images. In addition, to cope with non-frontal face with various poses, the face model using Active Appearance Model (AAM) is implemented. The result of AAM is then oriented to the frontal face for feature extraction using Histograms of Oriented Gradients (HOG). For classification, Support Vector Machines (SVM) is implemented. In simulation on FERET benchmark database, the proposed approach provided the outstanding results at 90.12% in accuracy on average superior to the compared method.
人脸识别由于其广泛的应用,一直是一个具有挑战性的研究问题。研究人员目前正专注于少数图像、各种面部姿势和照明。本文提出了一种新的解决无约束环境下人脸识别问题的方法。它使用不同姿势(非正面)和不同照明的单张人脸图像。利用直方图均衡化(Histogram Equalization, HE)去除光照,利用镜像图像增加人脸图像数量。此外,为了应对各种姿态的非正面人脸,实现了基于主动外观模型(AAM)的人脸模型。然后将AAM的结果定向到正面,使用定向梯度直方图(HOG)进行特征提取。在分类方面,采用支持向量机(SVM)。在FERET基准数据库的仿真中,该方法的平均准确率达到90.12%,优于对比方法。
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引用次数: 7
Walking Gait Measurement and Analysis via Knee Angle Movement and Foot Plantar Pressures 基于膝关节角度运动和足底压力的步行步态测量与分析
S. Ngamsuriyaroj, W. Chira-Adisai, Suppakorn Somnuk, Chayanan Leksunthorn, Kamonthip Saiphim
The study on human gait has gained lots of attentions for years since there are many applications including medical rehabilitation for patients having walking disorders. However, such study requires an equipment to measure the movement of body parts accurately. This work aims to build an equipment to measure, collect, visualize and analyze the knee angles and foot plantar pressures of a person who walks normally as well as of a patient who walks with some disorders. The equipment is a wearable device consisting of the Inertial Measurement Unit (IMU) installed on the thigh and shank for gathering angles of knee movements, the Force-Sensitive Resistor (FSR) for gathering foot pressures from plantar during a walk, the Arduino Uno units for collecting the gait data from both legs, and a NodeMCU for a controller. The collected data will be stored into a database, and the outputs are visualized via a web user interface. The statistical analysis of the walking are also displayed so that the history of walking can be used to analyze changes or tell some walking patterns of a person.
由于对行走障碍患者的医学康复等诸多应用,对人体步态的研究多年来备受关注。然而,这样的研究需要一种设备来精确测量身体部位的运动。这项工作的目的是建立一种设备来测量、收集、可视化和分析正常走路的人和走路有一些障碍的病人的膝盖角度和足底压力。该设备是一种可穿戴设备,包括安装在大腿和小腿上的惯性测量单元(IMU),用于收集膝盖运动的角度,力敏电阻(FSR)用于收集步行时足底的足压力,Arduino Uno单元用于收集双腿的步态数据,以及用于控制器的NodeMCU。收集到的数据将存储到数据库中,并通过web用户界面将输出可视化。步行的统计分析也被显示出来,这样步行的历史可以用来分析一个人的变化或告诉一些步行模式。
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引用次数: 8
A variant of the Schnorr signature using an elliptic curve over a field of characteristic two 施诺尔签名的一种变体,在特征为二的场上使用椭圆曲线
Panpet Srinate, Bhichate Chiewthanakul
Digital signature over elliptic curve is one of the most important applications of security because it is effective. Recently, it has been developed and defined in the various standard of security. The application of the digital signature are signer authentication, data integrity, and non-repudiation. Currently, the requirements to implement authentication process on a computer hardware with limited resource such as energy, memory and computing power are increasing. The developer should consider these factors along with security factor for the effective implement on the computer hardware with limited resource. In this paper, we propose the Schnorr signature scheme using Koblitz curve over a field of characteristic two. The advantage of Schnorr signature scheme is a good combination with Koblitz curve over a field of characteristic two, therefore its arithmetic can be performed in any computer. Moreover, we use Double-and-Add scalar multiplication to reduce time in the process of systems. In addition, this paper shows a result of time in the process of the system to compare the performance of the Schnorr signature scheme on Koblitz curve using Double-andAdd scalar multiplication with the Schnorr signature scheme on Koblitz curve using typical scalar multiplication. The result of this study is that both systems working correctly. However, the Schnorr signature scheme on Koblitz curve using Double-andAdd performs better in time efficiency than of Schnorr signature scheme on Koblitz curve using typical scalar multiplication.
椭圆曲线上的数字签名由于其有效性而成为安全领域最重要的应用之一。最近,它在各种安全标准中得到了发展和定义。数字签名的应用包括签名者身份验证、数据完整性和不可否认性。目前,在能源、内存和计算能力有限的计算机硬件上实现身份验证的要求越来越高。开发人员应该考虑这些因素以及安全因素,以便在资源有限的计算机硬件上有效实现。本文提出了在特征为二的域上使用Koblitz曲线的Schnorr签名方案。Schnorr签名方案的优点是在特征为2的域上很好地结合了Koblitz曲线,因此它的算法可以在任何计算机上进行。此外,我们还使用了双加标量乘法来减少系统处理过程中的时间。此外,本文给出了系统运行过程中的时间结果,比较了采用double -and - add标量乘法的Schnorr签名方案在Koblitz曲线上的性能与采用典型标量乘法的Schnorr签名方案在Koblitz曲线上的性能。这项研究的结果是两个系统都能正常工作。然而,使用double -and - add的Koblitz曲线上的Schnorr签名方案比使用典型标量乘法的Koblitz曲线上的Schnorr签名方案具有更好的时间效率。
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引用次数: 1
dCollective: A Configurable Electronic Data Collection Form and Information Dashboard 集合:一个可配置的电子数据收集表格和信息仪表板
Pawarate Eiamboonsert, Sanhawat Taongern, Wassmon Nuamsiri, Pagaporn Pengsart, P. Mongkolwat
Collecting effective healthcare survey data requires a novel approach differed from traditional paper-based methods where manual electronic data entry would be required. Inaccuracy and mistakes can occur at any points from gathering, transporting to entering collected data into a computer. dCollective is a cloudbased software application designed to assist healthcare workers to design customized online survey forms for interviewers, patients and caretakers. The workers create, manage and assign electronic forms to their target groups. Survey forms can be logically stored and retrieved based on various variables such as patient's age, gender, medical state and clinical status. In addition to typical data gathering from paper forms, a dCollective form may include geolocation along with picture, audio and video. Data from each form is extracted to construct longitudinal information pertaining to each patient. This information will be used alongside respected patient's medical record to create visual representations and statistical reports for each patient or a group of patients based on a set of search criteria.
收集有效的医疗保健调查数据需要一种不同于传统纸质方法的新方法,传统方法需要手动输入电子数据。从收集、传输到将收集到的数据输入计算机的任何环节都可能出现不准确和错误。dCollective是一个基于云的软件应用程序,旨在帮助医护人员为采访者、患者和护理人员设计定制的在线调查表格。工作人员创建、管理和分配电子表格给他们的目标群体。调查表格可以根据患者的年龄、性别、医疗状况和临床状态等各种变量进行逻辑存储和检索。除了从纸质表单中收集的典型数据外,dCollective表单还可能包括地理位置以及图片、音频和视频。从每个表单中提取数据以构建与每个患者相关的纵向信息。此信息将与受尊重的患者医疗记录一起使用,根据一组搜索标准为每个患者或一组患者创建可视化表示和统计报告。
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引用次数: 0
期刊
2018 15th International Joint Conference on Computer Science and Software Engineering (JCSSE)
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