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2017 International Conference on Vision, Image and Signal Processing (ICVISP)最新文献

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Initial Study to Evaluate Fuzzy Logic on Diagnosis of Generic Atherosclerosis 评价模糊逻辑在一般性动脉粥样硬化诊断中的初步研究
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.31
Nabilah Ibrahim, Lina Farhana Mahadi, F. Mahmud
Atherosclerosis is a disease in which plaque builds up inside the arteries that eventually intend to be hardened over time thus narrows the arteries. This work is to develop an atherosclerosis diagnosis system using fuzzy logic and to construct a prototype of atherosclerosis risk monitor. Simultaneously, the system is validated by comparing the result obtained from the system and the one from the prototype. Five membership functions are setup such as age, body mass index (BMI), intima-media thickness (IMT), blood pressure and blood glucose level, from 20 volunteers males and females. The output fuzzy sets are divided into Healthy, Low risk, Mid risk, High risk, and Very high risk. This leads to the awareness level of people thus improve the societal health. The constructed prototype is validated by inserting the data and reconfirmed the diagnosed result on the display. It showed that the prototype has 95% realibility since the output of the system is calculated with 100% low risk (LR) of atherosclerosis.
动脉粥样硬化是一种斑块在动脉内积聚的疾病,随着时间的推移,斑块最终会硬化,从而使动脉变窄。本工作是利用模糊逻辑开发动脉粥样硬化诊断系统,并构建动脉粥样硬化风险监测的原型。同时,通过与样机结果的比较,对系统进行了验证。从20名男性和女性志愿者中建立了年龄、身体质量指数(BMI)、内膜-中膜厚度(IMT)、血压和血糖水平等5个隶属函数。输出模糊集分为健康、低风险、中风险、高风险和非常高风险。这导致人们的意识水平,从而改善社会健康。通过插入数据对构建的原型进行验证,并在显示器上重新确认诊断结果。结果表明,由于系统的输出以动脉粥样硬化的100%低风险(LR)计算,因此该原型具有95%的可靠性。
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引用次数: 1
High-Resolution Image Inpainting through Multiple Deep Networks 通过多个深度网络进行高分辨率图像绘制
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.27
Chih-Hsu Hsu, Feng Chen, Guijin Wang
For the operation and aerial photography of the UAV, it is important to identify the blindspots and observe the details on the ground. But limited by the camera resolution, small or fuzzy objects can not be effectively observed. Therefore, repairment of high-definition images has become one of the important problems to be solved. In recent years, the development of the deep learning method has effectively solved the loss and blurring of images, but because of the difficulties in training and the speed of calculation it can only be used with low-pixel images. Therefore, we propose a method for superimposing images first with the content and textual recovery for the defaced area. We use unsupervised learning GANs and trained VGG network to restore holes and missing areas of the image, and then enlarge it through CNN method. Our preliminary results show that high resolution image restoration speed has been greatly improved, and details become sharper than using traditional method.
对于无人机的操作和航拍来说,识别盲点和观察地面细节是非常重要的。但受相机分辨率的限制,不能有效地观察到细小或模糊的物体。因此,高清图像的修复就成为亟待解决的重要问题之一。近年来,深度学习方法的发展有效地解决了图像的丢失和模糊问题,但由于训练困难和计算速度快,只能用于低像素图像。因此,我们提出了一种首先将图像与污损区域的内容和文本恢复叠加的方法。我们使用无监督学习gan和训练好的VGG网络来恢复图像的空洞和缺失区域,然后通过CNN方法对其进行放大。我们的初步结果表明,高分辨率图像恢复速度大大提高,细节比传统方法更清晰。
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引用次数: 11
Aerial Base Stations for Enabling Cellular Communications during Emergency Situation 在紧急情况下实现蜂窝通信的空中基站
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.24
Ramanpreet Singh, Michael Thompson, S. A. Mathews, O. Agbogidi, Kunal Bhadane, K. Namuduri
During disasters such as hurricanes, earthquakes, tornadoes, storms, tsunamis and man-made disasters, the need for communication becomes more imperative for the first responders as well as the people who were affected. It is very common that during such situations communication is interrupted due to physical damage of network devices, network congestion and interruption of supporting network infrastructure. Communications during such incidents can be the distinguishing factor between life and death for the affected population. Without communications, first responders might find it difficult to locate and rescue trapped victims during disaster recovery operations due to lack of synchronized operations. This paper presents a summary of our research efforts that led to the design of an integrated aerial platform for enabling communications and information sharing among the first responders and citizens during disaster recovery operations.
在飓风、地震、龙卷风、风暴、海啸和人为灾害等灾害期间,对第一响应者和受影响的人来说,通信的需求变得更加迫切。在这种情况下,由于网络设备的物理损坏、网络拥塞和支持网络基础设施的中断而导致通信中断是很常见的。此类事件期间的通信可能是受影响人口生死的区别因素。如果没有通信,在灾难恢复行动中,由于缺乏同步行动,第一响应者可能会发现很难定位和救援被困的受害者。本文总结了我们的研究成果,设计了一个综合空中平台,用于在灾难恢复行动中实现第一响应者和公民之间的通信和信息共享。
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引用次数: 8
Prediction of Probability of Crying of a Child and System Formation for Cry Detection and Financial Viability of the System 儿童啼哭概率预测与啼哭检测系统的形成及系统的经济可行性
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.33
Garvit Joshi, Chaitanya Dandvate, H. Tiwari, Aakash Mundhare
Sometimes parents don't have resources or time to attend to their young ones as they have certain predispositions. This document demonstrates the process of construction of a web-service/module, defines the algorithm, procedure of construction of the algorithm and the analysis/results of the procedures performed. The market for this system is the working class nuclear families or single parents that are not present for their babies and have to take help from nannies to keep an eye for them. The algorithm constructed is itself build upon various algorithms that were developed in past and incorporated in the ML studio as modules so a dataset has been generated and utilized these modules to from an algorithm to predict the probability of a child's crying in next few hours based on the previous data that has been collected (randomly generated in this case). A module for creation of automatic machine is stated which augment a basic child cry monitor with Machine Learning and Cognitive services for faster cheaper and more reliable cloud based solution for parents.
有时父母没有资源或时间来照顾他们的孩子,因为他们有某些倾向。本文档演示了web服务/模块的构建过程,定义了算法、算法的构建过程以及所执行过程的分析/结果。这个系统的市场是工人阶级的核心家庭或单亲父母,他们不能陪在孩子身边,不得不求助于保姆来照看他们。构建的算法本身是建立在过去开发的各种算法之上的,并作为模块合并到ML工作室中,因此已经生成了一个数据集,并利用这些模块从一个算法中预测基于之前收集的数据(在这种情况下随机生成)在接下来的几个小时内孩子哭泣的概率。本文提出了一个用于创建自动机器的模块,该模块通过机器学习和认知服务增强了基本的儿童哭泣监视器,为父母提供了更快、更便宜、更可靠的云解决方案。
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引用次数: 4
Real-Time Nonlinear Complementary Filter on SO(3) for Attitude Estimation of Small-Scale Aerial Robot 基于SO(3)的实时非线性互补滤波用于小型航空机器人姿态估计
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.25
M. Saealal, Dafizal Derawi, Nurul Dayana Salim, M. Tumari
This paper presents the real-time implementation of a powerful nonlinear complementary filter on special orthogonal group of rotation matrices, called as NCF SO(3) for attitude estimation. It fuses the raw data from accelerometers, magnetometer, and gyroscopes sensors to get reliable real-time attitude estimation. Gyroscopes is used as the main sensor for attitude estimation and another two sensors are used to correct drift error of gyroscopes. In this paper, the performance of NCF SO(3) is explored on performance in highly dynamic manoeuvres in real-time. Real-time experiments were conducted to compare its performance with conventional Extended Kalman Filter (EKF) to exploit the positive features of NCF SO(3) for small-scale aerial robot with limited on-board processor memory cases. The experimental results show the proposed real-time filter has excellent estimated attitude data and can reduce the computational cost, compared to EKF. Thus, it is suitable for small-scale aerial robot which has memory limitation of on-board processor.
本文提出了一种强大的非线性互补滤波器NCF SO(3)在特殊旋转矩阵正交群上的实时实现,用于姿态估计。它融合了来自加速度计、磁力计和陀螺仪传感器的原始数据,以获得可靠的实时姿态估计。采用陀螺仪作为姿态估计的主传感器,另外两个传感器用于陀螺仪漂移误差的校正。本文探讨了NCF SO(3)在高动态机动中的实时性能。通过实时实验,将其与传统的扩展卡尔曼滤波(EKF)进行性能比较,以利用NCF SO(3)在机载处理器内存有限的小型航空机器人情况下的积极特性。实验结果表明,与EKF相比,所提出的实时滤波器具有良好的姿态估计数据,并且可以降低计算成本。因此,它适用于机载处理器内存有限的小型航空机器人。
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引用次数: 3
Speed Limit Sign Detection Based on Gaussian Color Model and Template Matching 基于高斯颜色模型和模板匹配的限速标志检测
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.30
Han Huang, Ling-Ying Hou
Traffic sign detection and recognition play crucial roles on the Intelligent Transportation System(ITS). Firstly, in YCbCr color space, color segmentation of the traffic scene images using Gaussian color model is calculated Cand traffic sign regions are obtained. Secondly, the morphology processing is utilized on the segmented image to extract the candidate traffic signs with a rectangle region in the original image to be selected according as its shape property. Finally, template matching is applied for speed signs classification. The performance of the proposed method is evaluated on Norwegian speed limit signs in natural environment. Experiment results show that this algorithm can effectively improve the traffic sign detection efficiency, which is used in traffic signs recognition and tracking of intelligent vehicles.
交通标志的检测与识别在智能交通系统中起着至关重要的作用。首先,在YCbCr颜色空间中,利用高斯颜色模型对交通场景图像进行颜色分割,得到交通标志区域;其次,对分割后的图像进行形态学处理,提取原始图像中具有矩形区域的候选交通标志,根据其形状属性选择候选交通标志;最后,将模板匹配应用于速度标志分类。以挪威自然环境下的限速标志为例,对该方法的性能进行了评价。实验结果表明,该算法能有效提高交通标志检测效率,可用于智能车辆的交通标志识别与跟踪。
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引用次数: 5
Image De-hazing Based on Polynomial Estimation and Steepest Descent Concept 基于多项式估计和最陡下降概念的图像去雾
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.17
Shilong Liu, Hongkun Wu, Ruowei Li, Md. Arifur Rahman, Xuan He, S. Liu, N. Kwok
Digital images captured in hazy conditions suffer from colour distortion and loss of contrast, posing difficulties in being applied for further applications. Due to the existed challenge and its great significance, a large amount of research has been conducted for image de-hazing. Among the image haze removal methods, the algorithm based on dark channel prior is proved to be the most effective. Furthermore, the introduction of guided filter has boosted its efficiency to a large extent. However, the requirement for transmission refinement and the assumption that the transmission is the same in each colour channel still make the DCP concept based methods time consuming and suffer from colour distortion. To solve this problem, an approach named as Image De-hazing Based on Polynomial Estimation and Steepest Descent Concept (IDBPESDC) is proposed, which derives the pixel-wised transmission that does not require any further refinement. Additionally, image de-hazing procedures based on the steepest descent concept are adopted so that the objective of saturation enhancement under the minimum hue change constraint is achieved. Experiments are conducted on one hundred hazy images, processed by the proposed method and four other available approaches. Results are analysed qualitatively and quantitatively, which verified the effectiveness and efficiency of the proposed algorithm.
在雾霾条件下拍摄的数码图像会出现色彩失真和对比度下降的问题,给进一步应用带来困难。由于图像去雾存在的挑战和重要意义,人们对图像去雾进行了大量的研究。在图像去雾方法中,基于暗通道先验的算法被证明是最有效的。此外,导流滤波器的引入在很大程度上提高了其效率。然而,由于对传输精细化的要求和每个颜色通道的传输都是相同的假设,使得基于DCP概念的方法仍然耗时且存在颜色失真。为了解决这一问题,提出了一种基于多项式估计和最陡下降概念的图像去雾方法(IDBPESDC),该方法派生出无需进一步细化的像素化传输。采用基于最陡下降概念的图像去雾处理,在最小色相变化约束下达到饱和度增强的目的。在100幅模糊图像上进行了实验,分别用该方法和其他四种方法进行了处理。对结果进行了定性和定量分析,验证了所提算法的有效性和高效性。
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引用次数: 0
High Throughput Hardware Architecture of a MIMO-based Sea Land Segmentation for On-Orbit Remote Sensing Image Processing 基于mimo的在轨遥感影像海陆分割高吞吐量硬件架构
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.21
Cunguang Zhang, Bo Li, Hongxu Jiang, Huiyong Li, Jiao Chen
Sea land segmentation is an essential part in remote sensing image processing, greatly reducing the interesting area. However, faced with the faster real-time processing of remote sensing images, the SLS algorithm's throughputs is always constrained by the self complexity and the on-chip resources. A new method based on MIMO for balancing resource and throughputs is proposed to segment the sea and land via edge detection. Firstly, according to the situation that the input and output data rate is not equal, the principle of MIMO is introduced to redesign the edge detection structure to double the bandwidth. Second, multi-port cache brings storage resources, which have to be reused, and reduce resource usage. Finally, the parallel sliding widdows method is adopted to usd in piplines of image outputing. The experimental results show that, compared with the state-of-art structure, this method performed better in hardware utilization and bandwidth.
海陆分割是遥感图像处理的重要组成部分,可以大大减少感兴趣的区域。然而,面对更快的遥感图像实时处理,SLS算法的吞吐量总是受到自身复杂度和片上资源的限制。提出了一种基于MIMO的资源吞吐量平衡方法,通过边缘检测实现海陆分割。首先,针对输入输出数据速率不相等的情况,引入MIMO原理,重新设计边缘检测结构,使带宽翻倍;其次,多端口缓存带来了存储资源,这些存储资源必须被重用,减少了资源的使用。最后,采用平行滑动窗的方法对图像输出的流水线进行了划分。实验结果表明,与现有结构相比,该方法在硬件利用率和带宽方面具有更好的性能。
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引用次数: 1
A Method of Wind Velocity Estimation Using a Tethered, Spherical Balloon with Standard Aviation Sensors 用带标准航空传感器的系留球形气球估算风速的方法
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.32
T. Yomchinda
This paper presents the utilization of an inertial measurement unit (IMU) for wind-characterization applications. A method of wind velocity estimation using an IMU installed on a tethered balloon is described. The system of a balloon tethered to a ground station acts as a measuring instrument for wind approximation. The wind-responding motion of tethered balloon is captured with the utilization of a standard set of on-board sensors (i.e., accelerometers, gyroscope, thermometer, and barometer). An Extended Kalman Filter (EKF) technique is implemented for the wind estimation with the use of an estimated motion of spherical balloon. The performance of the developed method in order to measure the wind speed in variations of frequencies is determined. The limitation of the system performance is found to be due to the delay in the filter and performance of the selected sensor set.
本文介绍了惯性测量单元(IMU)在风特性分析中的应用。本文描述了一种利用安装在系留气球上的IMU进行风速估计的方法。一个系在地面站上的气球系统作为风力近似的测量仪器。利用一套标准的机载传感器(即加速度计、陀螺仪、温度计和气压计)捕捉系绳气球的风响应运动。利用球形气球的运动估计,实现了扩展卡尔曼滤波(EKF)技术。确定了该方法在不同频率下测量风速的性能。发现系统性能的限制是由于滤波器的延迟和所选传感器集的性能。
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引用次数: 0
Research and Implementation on Face Detection Approach Based on Cascaded Convolutional Neural Networks 基于级联卷积神经网络的人脸检测方法研究与实现
Pub Date : 2017-09-01 DOI: 10.1109/ICVISP.2017.10
Jiajun Wang, Beizhan Wang, Yinhuan Zheng, Weiqiang Liu
At present, the combination of deep learning and traditional method are used to solve the problem of face detection that caused by image quality, various poses, occlusions, complex facial expressions, illumination and real time detect. In this paper, we use a face detection framework based on cascaded convolutional neural network, which is used to balance the accuracy and running time cost. We use full convolutional neural network (FCN) to extract candidate regions of human face in the first stage, which is more efficient than selective search, Edge Box and other algorithms. Combining with the NMS algorithm and bounding box regression during the whole process, we can get more accurate face position. In order to improve the accuracy and enhance the ability of the algorithm to distinguish the face, we improved the training method, optimized the training set, and used the multi-task learning network. Experiment results show that the framework has higher accuracy and costs shorter time in face detection on FDDB.
目前,深度学习与传统方法的结合被用来解决由于图像质量、各种姿势、遮挡、复杂面部表情、光照和实时检测等因素造成的人脸检测问题。在本文中,我们使用了一个基于级联卷积神经网络的人脸检测框架,该框架用于平衡准确率和运行时间成本。第一阶段采用全卷积神经网络(full convolutional neural network, FCN)提取人脸候选区域,比选择性搜索(selective search)、Edge Box等算法效率更高。在整个过程中结合NMS算法和边界盒回归,可以得到更准确的人脸位置。为了提高准确率,增强算法的人脸识别能力,我们改进了训练方法,优化了训练集,并采用了多任务学习网络。实验结果表明,该框架在FDDB人脸检测中具有较高的准确率和较短的检测时间。
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引用次数: 3
期刊
2017 International Conference on Vision, Image and Signal Processing (ICVISP)
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