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Organizing committee 组织委员会
Pub Date : 2022-09-01 DOI: 10.23919/apnoms56106.2022.9919983
R. Pirrone, R. Azevedo, Gautam Biswas
Cholesteatoma of external auditory canal is a rare disease with an estimated incidence of 1 : 1000 of all patients seen in otologic practice. The purpose of this article is to present a case of this condition, with its main features and differential diagnosis, making it more easily recognizable in daily practice. Case Report: E.M.S 72 year-old male with chronic otorrhea in the left ear for about 8 months, with no improvement despite the use of different types of ear drops. Otoscopy revealed purulent secretion and bone erosion of the external auditory canal (EAC).The tympanic membrane had no perforation and its transparency was preserved. Computed tomography of the mastoid showed the erosion area in EAC (Grade III), without middle ear involvement. The histopathology was compatible with cholesteatoma. The treatment was surgical. Comments: The external auditory canal cholesteatoma is a difficult disease to diagnose because its clinical similarity to other external ear disorders .Obliterans keratosis and malignant otitis externa are the main conditions that should be considered as a diagnostic differential. CT scan is an important diagnostic tool to elucidate which of these primary lesions is present. A6282. Esthesioneuroblastoma: A Case Report Vanessa de Araújo Souza, Alexandra Torres Cordeiro Lopes de Souza, Mariana Azevedo Silva, Dario Hart Signorini, Eliana Freitas Cardoso, Ana Laura Carneiro Santos, Monik Souza Lins
外耳道胆脂瘤是一种罕见的疾病,估计发病率为耳科实践中所有患者的1:1000。本文的目的是提出一个病例,与它的主要特点和鉴别诊断,使其在日常实践中更容易识别。病例报告:emms 72岁男性,左耳慢性耳漏约8个月,尽管使用不同类型的滴耳液,仍无改善。耳镜检查显示外耳道脓性分泌物及骨质侵蚀。鼓膜无穿孔,保持透明。乳突ct显示EAC糜烂区(III级),未累及中耳。组织病理学与胆脂瘤相符。手术治疗。评论:外耳道胆脂瘤与其他外耳疾病有相似之处,是一种较难诊断的疾病,闭塞性角化病和外耳恶性中耳炎是应考虑的主要诊断鉴别条件。CT扫描是一个重要的诊断工具,以阐明哪些原发病变存在。A6282。Vanessa de Araújo Souza, Alexandra Torres Cordeiro Lopes de Souza, Mariana Azevedo Silva, Dario Hart Signorini, Eliana Freitas Cardoso, Ana Laura Carneiro Santos, Monik Souza Lins
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引用次数: 0
Copyright page 版权页
Pub Date : 2022-08-01 DOI: 10.1109/pic.2016.7949604
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引用次数: 0
Energy efficiency of QoS routing in multi-hop wireless networks 多跳无线网络中QoS路由的能量效率
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612095
Chung-wei Lee
The trend of adopting more and more wireless mobile computers and smartphones has changed our way of living. Those devices heavily rely on the underlying wireless network systems to provide adequate communication support. As streaming audio and video becomes norm, the requests for stringent maximum end-to-end latency and minimum bandwidth make the networking process more difficult. Quality of Service (QoS) routing is designed to fulfill such requirements. In this paper, we study the performance of QoS routing in multi-hop wireless networks from the perspective of energy efficiency. Since there are sophisticated relationships between wireless radio propagation and energy consumption, various QoS routing strategies produce significantly different results in terms of energy efficiency. Through extensive simulation experiments, the shortest path routing, minimum energy routing, minimum hop routing, and maximum throughput routing are compared.
采用越来越多的无线移动电脑和智能手机的趋势改变了我们的生活方式。这些设备严重依赖底层无线网络系统来提供足够的通信支持。随着流音频和视频成为常态,对最大端到端延迟和最小带宽的严格要求使联网过程变得更加困难。服务质量(QoS)路由就是为了满足这些需求而设计的。本文从能效的角度研究了多跳无线网络中QoS路由的性能。由于无线无线电传播与能量消耗之间存在复杂的关系,因此不同的QoS路由策略在能量效率方面产生的结果差异很大。通过大量的仿真实验,对最短路径路由、最小能量路由、最小跳数路由和最大吞吐量路由进行了比较。
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引用次数: 10
Current trends in low-power embedded computing 低功耗嵌入式计算的当前趋势
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612129
G. Tewolde
Great advancements in the electronics technology are making possible applications that were considered science fiction only few decades ago. Increases in packaging density of electronic devices, shrinking of physical weight and volume, and accelerated drop in prices, have all helped for the realization of ubiquitous computing using mobile and embedded electronic devices for everyday use. However, the ability to provide long-term sustainable power to many of such applications has been a significant challenge. This paper provides a short survey of the current trends in low-power embedded computing. It reviews the sources of power consumption in electronic devices, presents dynamic energy management techniques; and finally, it reviews energy harvesting techniques to allow autonomous operation.
电子技术的巨大进步使几十年前还被认为是科幻小说的应用成为可能。电子器件封装密度的增加、物理重量和体积的缩小以及价格的加速下降,都有助于利用日常使用的移动和嵌入式电子设备实现无处不在的计算。然而,为许多此类应用提供长期可持续电力的能力一直是一个重大挑战。本文简要介绍了当前低功耗嵌入式计算的发展趋势。回顾了电子设备的功耗来源,介绍了动态能源管理技术;最后,回顾了实现自主操作的能量收集技术。
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引用次数: 6
Feature extraction and recognition of infant cries 婴儿哭声特征提取与识别
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612093
Kevin Kuo
This paper utilizes signal boundary detection and linear predictive coding coefficients (LPCC) in order to analyze and extract features from infant cry instances such that the causes of the cry can be recognized. Consistent reference signals for three separate cry pathologies (hunger, wet diaper, and a need for attention) were decomposed to generate training vectors for cry recognition. Qualitative matching was defined on the basis of similarity between unknown cry LPCC to the weighted coefficients of each of the three training vectors. The experiments show that the analysis of LPCC was a feasible method of recognizing infant cries in order to improve infant care devices.
本文利用信号边界检测和线性预测编码系数(LPCC)对婴儿啼哭实例进行特征分析和提取,从而识别婴儿啼哭的原因。对三种不同的哭泣病理(饥饿、湿尿布和需要注意)的一致参考信号进行分解,生成用于哭泣识别的训练向量。根据未知哭声LPCC与三个训练向量的加权系数的相似度定义定性匹配。实验表明,LPCC分析是一种可行的婴儿哭声识别方法,可以改进婴儿护理设备。
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引用次数: 20
An experimental demonstration of quantum not gate: Transition from classical to quantum regime 量子非门的实验证明:从经典到量子的跃迁
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612122
Shihan Sajeed, A. Haider
Path of a photon was considered to be used as qubit for implementing quantum NOT gate. An experimental setup was designed using a Mach-Zehnder interferometer constructed from simple optical devices such as He-Ne lasers, beam splitters, mirrors, attenuators etc. and quantum interference was utilized for multi photon case. A number of experiments were performed and the outcome of the experiment was observed by taking a number of photographs of the output beam for a number of input intensities. The observations proved that the setup indeed performed the required NOT transformation with good reliability at multi photon case and thus can be usefully used as a quantum not gate.
利用光子的路径作为量子比特实现量子非门。利用He-Ne激光器、分束器、反射镜、衰减器等简单光学器件组成的马赫-曾德尔干涉仪设计了实验装置,并在多光子情况下采用量子干涉。进行了一些实验,并通过拍摄一些输入强度的输出光束的照片来观察实验的结果。实验结果表明,该装置在多光子情况下确实完成了所要求的非变换,具有良好的可靠性,因此可以用作量子非门。
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引用次数: 0
S-CAS: Smart channel assignment scheme for wireless sensor networks S-CAS:无线传感器网络的智能信道分配方案
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612112
A. Prajapati, S. Ganesan
This paper proposes a smart channel assignment scheme (S-CAS) for wireless sensor networks. S-CAS performs statistical analysis of load pattern of the individual cluster and adjusts channel assignment dynamically as per requirement generated by the current traffic load. It follows a static schedule during infrastructure establishment based on initial traffic conditions and previous history and later, it utilizes dynamic schedule for channel adjustments. Over a period of time, learning efficiency of the load prediction increases due to availability of more traffic patterns, in turn, reduces transmission delay and improves the system throughput and network life significantly. It provides seamless data transmission even in peak hours and is highly immune to random traffic change. This algorithm optimizes the channel utilization by best-of-four strategies and meets real time sensor network applications requirement. This algorithm is distributed at clusters level and central at node level i.e. it collectively possesses the advantages of all four: static, dynamic, central, and distributed channel assignment approaches. The simulation for 100 nodes network is done and results are discussed. This paper ends with planned future work on traffic prediction accuracy.
提出了一种无线传感器网络的智能信道分配方案(S-CAS)。S-CAS对单个集群的负载模式进行统计分析,并根据当前流量负载产生的需求动态调整信道分配。它在基础设施建设过程中根据初始交通状况和历史沿袭采用静态调度,后期采用动态调度进行通道调整。经过一段时间后,由于有更多的流量模式可用,负载预测的学习效率会提高,从而减少传输延迟,显著提高系统吞吐量和网络寿命。即使在高峰时段,它也能提供无缝的数据传输,并且高度免疫随机流量变化。该算法通过四优策略优化信道利用率,满足实时传感器网络应用需求。该算法在集群级是分布式的,在节点级是中心的,即它综合了静态、动态、中心和分布式信道分配方法的优点。对100节点网络进行了仿真,并对仿真结果进行了讨论。最后,对未来交通预测精度的工作进行了规划。
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引用次数: 7
An approach to realize a quantum Hadamard gate through optical implementation 一种通过光学实现量子哈达玛门的方法
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612120
Shihan Sajeed, Anis Ahmed, Saeed Mahmud Ullah, Z. Mozumder
Transverse modes of optical fields are proposed to be used as qubits for the implementation of quantum Hadamard gate. Mach-Zehnder Interferometer (MZI), phase shifter, y-junction beam splitters and other optical devices are utilized to realize a quantum Hadamard gate. The possibility of this encoding scheme was designed, simulated and verified through rigorous numerical analyses using the Beam propagation method. The proposed gate has the potential of being more compact and easily realizable than some other optical implementation proposals since it is based on planar light wave circuit technology and can be constructed very easily by using a Mach-Zehnder Interferometer. The Results proved that the design is able to perform the required Hadamard transformation and the conclusion was reached that the model was a successful implementation of a quantum Hadamard gate.
提出利用光场的横模作为量子比特实现量子哈达玛门。利用马赫-曾德尔干涉仪(MZI)、移相器、y结分束器等光学器件实现量子哈达玛门。采用波束传播方法对该编码方案进行了设计、仿真,并通过严格的数值分析进行了验证。所提出的门具有比其他光学实现方案更紧凑和更容易实现的潜力,因为它基于平面光波电路技术,可以很容易地通过使用马赫-曾德尔干涉仪来构建。结果证明,该设计能够完成所需的Hadamard变换,并得出结论,该模型是量子Hadamard门的成功实现。
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引用次数: 2
Novel design and implementation for highly sensitive baseband protocol of Class-1 Generation-2 UHF RFID system 一类第二代超高频RFID系统高灵敏度基带协议的新设计与实现
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612145
F. Ge, K. Choi
This paper presents novel transceiver baseband for EPC Global Calss-1 Generation-2 compliant RFID reader. The main challenge in RFID reader design is the detection of the backscattered signal from tag. Noise, whose power depends on the environment, can degrade the detection performance. To overcome the environmental noise, the look-up-table based RCT (Raised Cosine Transform) pulse shaping method is proposed for the transmitter architecture. Furthermore the detection of the signal from tag at receiver is impeded by phase noise. To fight these various disturbances, Rising-Falling Edge-detection based Synchronizer (RFES) is proposed as the secondary synchronizer for RFID receiver baseband. This is the first architecture for signal detection in RFID, applying frequency synchronization technique in baseband to reduce the BER, and thus leading to improved performance compared with Industrial readers. The proposed schemes is implemented in Simulink and Verilog; and validated through FPGA. Details of the implementation of the transceiver baseband on an FPGA are explained. Measurement data show that proposed Lookup table based pulse shaping method achieved 4 dB improvement in adjacent band power suppression. Furthermore, introduce of a secondary synchronizer in baseband improves the sensitivity by 3 dB compared with traditional state-of-art readers in industry.
提出了一种适用于EPC全球第1类第2代RFID读写器的新型收发基带。RFID阅读器设计的主要挑战是对标签后向散射信号的检测。噪声的强弱与环境有关,会降低检测性能。为了克服环境噪声,提出了基于查表的RCT(提升余弦变换)脉冲整形方法。此外,接收端标签信号的检测也受到相位噪声的阻碍。为了对抗这些干扰,提出了基于升降沿检测的同步器作为RFID接收机基带的二级同步器。这是RFID中第一个用于信号检测的架构,在基带中应用频率同步技术来降低误码率,从而与工业阅读器相比提高了性能。提出的方案在Simulink和Verilog中实现;并通过FPGA进行验证。详细说明了收发器基带在FPGA上的实现。实测数据表明,提出的基于查找表的脉冲整形方法在邻带功率抑制方面提高了4 dB。此外,在基带引入二次同步器,与工业上最先进的传统读卡器相比,灵敏度提高了3 dB。
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引用次数: 3
Intensity only microwave diffraction tomography using 802.15.4 wireless networks 强度仅微波衍射层析成像使用802.15.4无线网络
Pub Date : 2010-05-20 DOI: 10.1109/EIT.2010.5612090
Kenneth P. Hunt, D. R. Andersen
We present an improved method for reconstructing images from projection data gathered using 2.4GHz, IEEE 802.15.4 Direct Sequence Spread Spectrum (DSSS) radio signals. Projection data was gathered using received signal strength indicator (RSSI) data provided by a wireless ZigBee network. Previously the image was reconstructed using the inverse radon transform. We reconstruct the image using a simple algorithm developed for objects with a real index of refraction. This method provides improved image quality.
我们提出了一种改进的方法,用于从2.4GHz, IEEE 802.15.4直接序列扩频(DSSS)无线电信号收集的投影数据中重建图像。投影数据是利用无线ZigBee网络提供的接收信号强度指示器(RSSI)数据收集的。在此之前,图像是用逆radon变换重建的。我们使用一种简单的算法来重建图像,这种算法是为具有真实折射率的物体开发的。这种方法可以提高图像质量。
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引用次数: 0
期刊
2010 IEEE International Conference on Electro/Information Technology
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