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Object Detection with LiDAR Point Cloud and RGBD Synthesis Using GNN 基于激光雷达点云和基于GNN的RGBD合成的目标检测
Pub Date : 2020-09-01 DOI: 10.7236/IJASC.2020.9.3.192
Tae-Won Jung, Chi-Seo Jeong, Jong-Yong Lee, Kyedong Jung
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引用次数: 1
Aerial Object Detection and Tracking based on Fusion of Vision and Lidar Sensors using Kalman Filter for UAV 基于卡尔曼滤波的无人机视觉与激光传感器融合空中目标检测与跟踪
Pub Date : 2020-09-01 DOI: 10.7236/IJASC.2020.9.3.232
Cheonman Park, Seongbong Lee, Hyeji Kim, Dongjin Lee
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引用次数: 1
Soft switched Synchronous Boost Converter for Battery Dischargers 电池放电用软开关同步升压变换器
Pub Date : 2020-06-01 DOI: 10.7236/IJASC.2020.9.2.105
Zhiyong Dong, G. Joung
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引用次数: 0
Estimation of gender and age using CNN-based face recognition algorithm 基于cnn的人脸识别算法估计性别和年龄
Pub Date : 2020-06-01 DOI: 10.7236/IJASC.2020.9.2.203
Lim Soo Yeon
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引用次数: 5
Design of Virtual Reality content for supervising abusement
Pub Date : 2019-12-01 DOI: 10.7236/IJASC.2019.8.4.9
Minji Kim, C. Lim
The government has defined domestic violence as one of the four major social evils and tried to prepare laws and systems to prevent it. Nevertheless, domestic violence has emerged as a serious social issue, and compare to the number of domestic violence cases that are constantly increasing, the report rate of domestic violence is significantly lower. This suggests the need to improve citizens' perception of domestic violence as the issue to solve it together in society, not as a private matter at home. Most of existing contents for preventing domestic violence and improving awareness are simple viewing forms of video contents, which have little effect on recognition. We aim to confirm the possibility of improving social awareness about domestic violence by producing Virtual Reality (VR) contents that have great features of user's immersion and empathy. In this VR content, the user can interact with various objects in the virtual reality of domestic violence and directly or indirectly experience the victim's position. Users who view the violent environment from the victim's point of view can have a subjective empathy for the problem, which is expected to induce more active awareness about domestic violence.
政府将家庭暴力定义为四大社会罪恶之一,并试图制定防止家庭暴力的法律和制度。然而,家庭暴力已经成为一个严重的社会问题,与不断增加的家庭暴力案件数量相比,家庭暴力的报告率明显较低。这表明,有必要改善公民对家庭暴力的认识,将其视为社会共同解决的问题,而不是家庭中的私事。现有的预防家庭暴力、提高认识的内容多为简单的视频内容观看形式,认知效果不大。我们的目标是通过制作具有用户沉浸性和移情性的虚拟现实(VR)内容,确认提高社会对家庭暴力意识的可能性。在这个VR内容中,用户可以与家暴虚拟现实中的各种对象进行互动,直接或间接地体验受害者的处境。从受害者的角度看待暴力环境的用户可以对问题产生主观的同理心,这有望引发对家庭暴力的更积极的认识。
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引用次数: 0
The Relationship between Sleep Disorders, Job Satisfaction, Practicing Health Promoting Behavior, Quality of Life and turnover intention of Shift Nurses and Non-shift Nurses 轮班护士与非轮班护士睡眠障碍、工作满意度、健康促进行为、生活质量与离职意向的关系
Pub Date : 2019-12-01 DOI: 10.7236/IJASC.2019.8.4.58
Kim Jeoung-Mi, R. Vasuki
The purpose of this study was to examine the relationship between sleep disorders, job satisfaction, health promotion behavior, quality of life, turnover intention. And also to find the predicting factors on turnover intention of shift and non-shift nurses. A descriptive study design was used. Study subjects were 239 nurses worked as a shift (167) and non-shift (72) in two general hospitals in P city. Turnover Intent, Sleep disorders, Job satisfaction, practicing health promotion profile and quality of life scales were used to collect the data. Data were analyzed by descriptive statistics and Pearson's correlation coefficient for find the relationship between study variables. Stepwise multiple regressions used to find predicting factors of turnover intention with other variables. The shift group showed lower Job satisfaction, practice of health promotion behavior and intention of turnover than non-shift nurses. The most important predictive factors of turnover intention in of shift group was job satisfaction (β =-. 477, p <.001) and non-shift group was health promotion behavior (β =-. 295, p = .040) than other factors. Findings showed that turnover intention highly influenced by job satisfaction than health promoting behavior and quality of life. This study suggests organizational efforts to provide sufficient staffing and nurse managers should make more concentration to allot work schedule in order to avoid over load shift nurses and promote quality of client care.
摘要本研究旨在探讨睡眠障碍与工作满意度、健康促进行为、生活品质、离职倾向的关系。并找出倒班和非倒班护士离职意愿的预测因素。采用描述性研究设计。研究对象为P市两家综合医院的239名轮班护士(167名)和非轮班护士(72名)。采用离职意向、睡眠障碍、工作满意度、实践健康促进量表和生活质量量表收集数据。采用描述性统计和Pearson相关系数对数据进行分析,找出研究变量之间的关系。采用逐步多元回归方法寻找离职倾向与其他变量的预测因素。轮班组护士的工作满意度、健康促进行为实践和离职意向均低于非轮班组护士。轮班组员工离职倾向最重要的预测因素是工作满意度(β =-)。477, p <.001)和非轮班组的健康促进行为(β =-。295, p = 0.040)。研究发现,工作满意度对离职意向的影响大于健康促进行为和生活质量。本研究建议组织应努力提供足够的人员配备,而护理管理者应更加专注于工作时间表的分配,以避免护士负荷过重,提高护理质量。
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引用次数: 1
A Study on Comparison of Pronunciation Accuracy of Soprano Singers 女高音歌手发音准确性比较研究
Pub Date : 2017-06-01 DOI: 10.7236/IJASC.2017.6.2.59
Uk-Jin Song, Hyung-Bin Park, M. Bae
There are three sorts of voices of female vocalists: soprano, mezzo- soprano, and contralto according to the transliteration. Among them, the soprano has the highest vocal range. Since the voice is generated through the human vocal tract based on the voice generation model, it is greatly influenced by the vocal tract. The structure of vocal organs differs from person to person, and the formants characteristic of vocalization differ accordingly. The formant characteristic refers to a characteristic in which a specific frequency band appears distinctly due to resonance occurring in each vocal tract in the vocal process. Formant characteristics include personality that occurs in the throat, jaw, lips, and teeth, as well as phonological properties of phonemes. The first formant is the throat, the second formant is the jaw, the third formant and the fourth formant are caused by the resonance phenomenon in the lips and the teeth. Among them, pronunciation is influenced not only by phonological information but also by jaws, lips and teeth. When the mouth is small or the jaw is stiff when pronouncing, pronunciation becomes unclear. Therefore, the higher the accuracy of the pronunciation characteristics, the more clearly the formant characteristics appear in the grammar spectrum. However, many soprano singers can not open their mouths because their jaws, lips, teeth, and facial muscles are rigid to maintain high tones when singing, which makes the pronunciation unclear and thus the formant characteristics become unclear. In this paper, in order to confirm the accuracy of the pronunciation characteristics of soprano singers, the experimental group was selected as the soprano singers A, B, C, D, E of Korea and analyzed the grammar spectrum and conducted the MOS test for pronunciation recognition. As a result, soprano singer B showed a clear recognition from F1 to F5 and MOS test result showed the highest recognition rate with 4.6 points. Soprano singers A, C, and D appear from F1 to F3, but it was difficult to find formants above 2kHz. Finally, the soprano singer E had difficulty in finding the formant as a whole, and MOS test showed the lowest recognition rate at 2.1 points. Therefore, we confirmed that the soprano singer B, which exhibits the most distinct formant characteristics in the grammar spectrum, has the best pronunciation accuracy.
女歌手的声音按音译分为女高音、女中音和女低音三类。其中,女高音音域最高。由于基于声音生成模型的声音是通过人体声道产生的,因此受声道的影响很大。人的发声器官结构不同,发声的共振峰特征也不同。形成峰特征是指在发声过程中,由于在每个声道中发生共振而使特定频带明显出现的特征。形成峰特征包括发生在喉咙、下巴、嘴唇和牙齿上的个性,以及音素的语音特性。第一共振峰是喉咙,第二共振峰是下颚,第三共振峰和第四共振峰是由嘴唇和牙齿中的共振现象引起的。其中,语音不仅受语音信息的影响,还受下颌、嘴唇和牙齿的影响。发音时,如果嘴巴小或下巴僵硬,发音就会变得不清楚。因此,发音特征的准确率越高,语法谱中出现的形成峰特征就越清晰。但是,很多女高音歌唱家唱歌时,由于下颚、嘴唇、牙齿和面部肌肉都很僵硬,难以保持高音,因此无法张开嘴,发音不清,从而使音型特征变得不清晰。本文为了确认女高音歌手发音特征的准确性,选取韩国女高音歌手A、B、C、D、E作为实验组,分析语法谱,进行发音识别的MOS测试。结果,女高音歌手B从F1到F5的识别度明显,MOS测试结果为4.6分,识别率最高。女高音歌手A、C、D从F1到F3出现,但很难找到2kHz以上的共振音。最后,女高音歌手E很难从整体上找到构成峰,MOS测试的识别率最低,为2.1分。因此,我们确认女高音歌手B在语法谱中表现出最明显的形成峰特征,其发音精度最好。
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引用次数: 0
The Comparison of the 3D graph for the energy-equal of LEACH-Mobile LEACH-Mobile能量当量三维图的比较
Pub Date : 2017-03-31 DOI: 10.7236/IJASC.2017.6.1.57
S. Jang, Kyedong Jung, Jong-Yong Lee
In this paper, propose an algorithm to improve network lifetime by equally consuming energy of LEACH Mobile sensor nodes. LEACH is one of energy efficient protocols. However, we did not consider the mobility of nodes. Therefore, the transmission reception success rate of the moving data is reduced. LEACH-Mobile is a protocol that has improved the drawbacks of these LEACH. However, since LEACH-Mobile has a larger number of data packets and consumes more energy than LEACH, it has a disadvantage that the lifetime of the network is short. In order to improvement these disadvantage, Based on the average of the remaining energy of the node, cluster heads are elected with a number of nodes whose energies are larger than the average of the remaining energy from the member nodes. After that, by trying to increase the lifetime of the network by equalizing the remaining energy. In to confirm whether improve the lifetime of the network, In this paper, the number of nodes and the position of all nodes are varied for each specific round, the rest energy is equalized, and the algorithm which uniformly selected the cluster head is compared with LEACH.
本文提出了一种利用LEACH移动传感器节点平均消耗能量来提高网络寿命的算法。LEACH是一种节能协议。但是,我们没有考虑节点的移动性。因此,降低了移动数据的发送接收成功率。LEACH- mobile是一种改进了这些LEACH缺点的协议。但是,由于LEACH- mobile比LEACH有更多的数据包和更多的能量消耗,它的缺点是网络的生命周期较短。为了改善这些缺点,基于节点剩余能量的平均值,选出一些能量大于成员节点剩余能量平均值的节点作为簇头。之后,通过平衡剩余能量来增加网络的寿命。为了确定是否提高了网络的生存期,本文对每轮节点数量和所有节点的位置进行了变化,均衡了剩余能量,并将均匀选择簇头的算法与LEACH算法进行了比较。
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引用次数: 1
Improvement of Image Sensor Performance through Implementation of JPEG2000 H/W for Optimal DWT Decomposition Level 通过实现JPEG2000 H/W实现最佳DWT分解水平来提高图像传感器性能
Pub Date : 2017-03-31 DOI: 10.7236/IJASC.2017.6.1.68
Choel-Won Lee, Beomsu Kim, Byung-Kil Jeon
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引用次数: 3
Real-time Intelligent Exit Path Indicator Using BLE Beacon Enabled Emergency Exit Sign Controller 实时智能出口路径指示器使用BLE信标启用紧急出口标志控制器
Pub Date : 2017-03-31 DOI: 10.7236/IJASC.2017.6.1.82
Joonseok Jung, Jongman Kwon, Soonho Jung, Minwoo Lee, V. Mariappan, J. Cha
Emergency lights and exit signs are an indispensable part of safety precautions for effective evacuation in case of emergency in public buildings. These emergency sign indicates safe escape routes and emergency doors, using an internationally recognizable sign. However visibility of those signs drops drastically in case of emergency situations like fire smoke, etc. and loss of visibility causes serious problems for safety evacuation. This paper propose a novel emergency light and exit sign built-in with Bluetooth Low Energy (BLE) Beacon to assist the emergency self-guiding evacuation using devices for crisis and emergency management to avoid panic condition inside the buildings. In this approach, the emergency light and exit sign with the BLE beacons deployed in the indoor environments and the smart devices detect their indoor positions, direction to move, and next exit sign position from beacon messages and interact with map server in the Internet / Intranet over the available LTE and/or Wi-Fi network connectivity. The map server generate an optimal emergency exit path according to the nearest emergency exit based on a novel graph generation method for less route computation for each smart device. All emergency exit path data interfaces among three system components, the emergency exit signs, map server, and smart devices, have been defined for modular implementation of our emergency evacuation system. The proposed exit sign experimental system has been deployed and evaluated in real-time building environment thoroughly and gives a good evidence that the modular design of the proposed exit sign system and a novel approach to compute emergency exit path route based on the BLE beacon message, map server, and smart devices is competitive and viable.
应急灯和出口标志是公共建筑发生紧急情况时有效疏散不可缺少的安全防范措施。这些紧急标志使用国际公认的标志,指示安全逃生路线和紧急逃生门。然而,在火灾烟雾等紧急情况下,这些标志的能见度会急剧下降,能见度的降低会给安全疏散带来严重问题。本文提出了一种新型的应急灯和出口标识,内置蓝牙低功耗信标,以辅助危机和应急管理设备的紧急自引导疏散,避免建筑物内出现恐慌情况。在这种方法中,在室内环境中部署有BLE信标的应急灯和出口标志以及智能设备从信标信息中检测其室内位置、移动方向和下一个出口标志位置,并通过可用的LTE和/或Wi-Fi网络连接与互联网/内部网中的地图服务器进行交互。地图服务器根据最近的紧急出口生成最优的紧急出口路径,基于一种新颖的图形生成方法,减少了每个智能设备的路由计算。紧急疏散标志、地图服务器和智能设备三个系统组件之间的所有紧急疏散路径数据接口都已定义为模块化实施的紧急疏散系统。该出口标志实验系统已在实时建筑环境中进行了全面部署和评估,充分证明了该出口标志系统的模块化设计以及基于BLE信标消息、地图服务器和智能设备的紧急出口路径路径计算新方法具有竞争力和可行性。
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引用次数: 2
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The International Journal of Advanced Smart Convergence
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