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A new encrypted image retrieval method based on feature fusion in cloud computing 云计算中基于特征融合的加密图像检索新方法
Pub Date : 2020-05-04 DOI: 10.1504/ijcse.2020.10029222
Jianhua Chen, Jiaohua Qin, Xuyu Xiang, Yun Tan
The traditional image retrieval has high requirements on the computing power and storage capacity of the platform, so the cloud server has become the preferred choice for outsourcing image retrieval. However, the cloud server is not completely reliable, and outsourcing image retrieval may bring many security, low retrieval accuracy, and privacy problems. In this paper, an encrypted image retrieval method based on feature fusion is proposed. Firstly, the images are encrypted by the encryption operator. Then, the feature extractor is designed, and the enhanced RGB feature and HSV histogram feature are extracted. Finally, the feature extractor and encrypted images are uploaded to the cloud server. The computation of similarity between images is done in the cloud. The experiments and security analysis show that the proposed method has good security and accuracy.
传统的图像检索对平台的计算能力和存储容量要求较高,因此云服务器成为外包图像检索的首选。然而,云服务器并不完全可靠,外包图像检索可能带来许多安全、检索精度低、隐私等问题。提出了一种基于特征融合的加密图像检索方法。首先,使用加密算子对图像进行加密。然后,设计特征提取器,提取增强的RGB特征和HSV直方图特征;最后,将特征提取器和加密图像上传到云服务器。图像之间的相似度计算在云中完成。实验和安全性分析表明,该方法具有良好的安全性和准确性。
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引用次数: 2
Cognitive fog for health: a distributed solution for smart city 健康认知雾:智慧城市分布式解决方案
Pub Date : 2020-05-04 DOI: 10.1504/ijcse.2020.10029227
Shu Chen, Nanxi Chen, Jiayi Tang, Xu Wang
The internet of things (IoT) connects numerous physical devices in urban areas to implement smart cities, and health monitoring has emerged as the most promising application area in such cities. However, the current health monitoring solution heavily relies on cloud-based data centres to integrate data, which put the city's confidential data and user's private information at risk of leakage. Fog computing as an extension of cloud computing has attracted lots of attention in the IoT community, for its safety to local data and friendliness to time-sensitive applications. This article adopts the paradigm of fog computing and proposes the cognitive fog for health (CFH) to address the requirement of estimating urban-level health impact in the real-world scenario.
物联网(IoT)连接城市地区的众多物理设备来实现智慧城市,健康监测已成为智慧城市中最有前途的应用领域。然而,目前的健康监测解决方案严重依赖于基于云的数据中心来整合数据,这使得城市的机密数据和用户的私人信息面临泄露的风险。雾计算作为云计算的延伸,由于其对本地数据的安全性和对时间敏感应用的友好性,在物联网社区引起了广泛的关注。本文采用雾计算的范式,提出了健康认知雾(CFH)来解决现实场景中估算城市水平健康影响的需求。
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引用次数: 3
A scale space model of weighted average CNN ensemble for ASL fingerspelling recognition 用于美国手语拼写识别的加权平均CNN集成的比例空间模型
Pub Date : 2020-05-04 DOI: 10.1504/ijcse.2020.10029229
Neena Aloysius, M. Geetha
A sign language recognition system facilitates communication between the deaf community and the hearing majority. This paper proposes a novel specialised convolutional neural network (CNN) model, SignNet, to recognise hand gesture signs by incorporating scale space theory to deep learning framework. The proposed model is a weighted average ensemble of CNNs – a low resolution network (LRN), an intermediate resolution network (IRN) and a high resolution network (HRN). Augmented versions of VGG-16 are used as LRN, IRN and HRN. The ensemble works at different spatial resolutions and at varying depths of CNN. The SignNet model was assessed with static signs of American Sign Language – alphabets and digits. Since there exists no sign dataset for deep learning, the ensemble performance is evaluated on the synthetic dataset which we have collected for this task. Assessment of the synthetic dataset by SignNet reported an impressive accuracy of over 92%, notably superior to the other existing models.
手语识别系统有助于聋人社区和听力正常的大多数人之间的交流。本文提出了一种新的专用卷积神经网络(CNN)模型SignNet,该模型通过将尺度空间理论结合到深度学习框架中来识别手势符号。该模型是cnn -低分辨率网络(LRN)、中分辨率网络(IRN)和高分辨率网络(HRN)的加权平均集成。VGG-16的增强版本被用作LRN、IRN和HRN。该集合在不同的空间分辨率和CNN的不同深度下工作。SignNet模型用美国手语的静态符号-字母和数字进行评估。由于不存在用于深度学习的符号数据集,因此集成性能是在我们为此任务收集的合成数据集上进行评估的。SignNet对合成数据集的评估报告了超过92%的令人印象深刻的准确性,明显优于其他现有模型。
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引用次数: 8
Dynamic negotiation of user behaviour via blockchain technology in federated system 基于区块链技术的联邦系统用户行为动态协商
Pub Date : 2020-05-04 DOI: 10.1504/ijcse.2020.10029214
Min Yang, Shibin Zhang, Yang Zhao, Qirun Wang
With the increasing number of network systems and users, there are a myriad of data generated by users' daily activities, then comes the big data era. The focus of this paper tries to realise user trust negotiation with the help of blockchain technology. Therefore, in this paper, how to not only detect a malicious user but also negotiate the users' trust value among network systems are discussed. The dominating work is as follows: firstly, a variety of decentralised systems form a federated system. Secondly, every user behaviour profile is anchored on the user behaviour blockchain among the federated system, which concludes the trajectory of a user's overall behaviours, on the basis of user behaviour profile, the trust negotiation model based on practical byzantine fault tolerance (PBFT) is proposed. Finally, a scenario based on the model is proposed and its safety problems are analysed, which makes a new try in dynamic negotiation of user trust.
随着网络系统和用户数量的不断增加,用户的日常活动产生了海量的数据,大数据时代随之到来。本文的重点是尝试借助区块链技术实现用户信任协商。因此,本文不仅讨论了如何检测恶意用户,还讨论了网络系统之间如何协商用户的信任值。主要工作如下:首先,各种分散的系统形成一个联邦系统。其次,将每个用户行为特征锚定在联邦系统中的用户行为区块链上,得出用户整体行为的轨迹,并在此基础上提出了基于实际拜占庭容错(PBFT)的信任协商模型。最后,提出了一个基于该模型的场景,并对其安全性问题进行了分析,为动态协商用户信任进行了新的尝试。
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引用次数: 2
Deep characteristics analysis on travel time of emergency traffic 应急交通出行时间深度特征分析
Pub Date : 2020-05-04 DOI: 10.1504/ijcse.2020.10029230
Jiao Yao, Yaxuan Dai, Yiling Ni, Jin Wang, J. Zhao
Owing to the rapid development of emergency rescue transportation in cities and the frequent emergencies, demand for emergency rescue is increasing drastically. How to select an emergency rescue route quickly and shorten the rescue travel time under the condition of limited urban road resources is of great significance. Based on the characteristics analysis of emergency rescue, this paper classifies priority levels of different emergency traffic, moreover, the travel times are also analysed with three scenarios: 1) emergency rescue vehicles encountering no queues; 2) encountered queues but lanes available; 3) encountered queues with no available lanes. Related case study shows that model in this paper can effectively shorten travel time of emergency traffic in the route and improve its efficiency.
随着城市应急救援交通的快速发展和突发事件的频繁发生,对城市应急救援的需求急剧增加。如何在城市道路资源有限的情况下,快速选择应急救援路线,缩短救援行程时间具有重要意义。在分析应急救援特点的基础上,对不同应急交通的优先级进行了分类,并对三种情况下的出行时间进行了分析:1)应急救援车辆没有排队;2)遇到排队但有通道;3)遇到没有可用通道的队列。相关实例研究表明,本文模型可以有效缩短应急交通在该路线上的行驶时间,提高其效率。
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引用次数: 3
Pipeline image haze removal system using dark channel prior on cloud processing platform 在云处理平台上采用暗通道先验的管道图像去雾系统
Pub Date : 2020-05-04 DOI: 10.1504/ijcse.2020.10029216
Ce Li, Tan He, Yingheng Wang, Liguo Zhang, Ruili Liu, Jing Zheng
Pipeline fault detection is very important application of pipeline robots for the security of underground drainage pipeline facilities. The detection performance of existing systems is closely related to the image definition in the complex pipeline environment in terms of darkness, water fog, haze, etc. In this paper, the techniques of dark channel prior and cloud processing are combined into the framework of pipeline image haze removal system. In the system, including the user management module, system sitting module, cloud-based image management module and image processing module, we transmit the image data with the secure cloud data control mechanism, and remove the haze in each image using dark channel prior. The experimental results show that the system has good effects on haze removal of pipe images, especially for the larger reflection area. The system can be applied to engineering practice.
管道故障检测是管道机器人在地下排水管道设施安全保障中的重要应用。现有系统的检测性能与复杂管道环境下的图像清晰度密切相关,如黑暗、水雾、雾霾等。本文将暗通道先验和云处理技术结合到管道图像去雾系统的框架中。该系统包括用户管理模块、系统坐位模块、基于云的图像管理模块和图像处理模块,采用安全的云数据控制机制传输图像数据,并采用暗通道先验去除每张图像中的雾霾。实验结果表明,该系统对管道图像的去雾效果较好,特别是对于反射面积较大的管道图像。该系统可应用于工程实践。
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引用次数: 3
Mutual-inclusive learning-based multi-swarm PSO algorithm for image segmentation using an innovative objective function 基于互包容学习的多群粒子群算法的目标函数分割
Pub Date : 2020-04-21 DOI: 10.1504/ijcse.2020.10024788
Rupak Chakraborty, R. Sushil, M. L. Garg
This paper presents a novel image segmentation algorithm formed by the normalised index value (Niv) and probability (Pr) of pixel intensities. To reduce the computational complexity, a mutual-inclusive learning-based optimisation strategy, named mutual-inclusive multi-swarm particle swarm optimisation (MIMPSO) is also proposed. In mutual learning, a high dimensional problem of particle swarm optimisation (PSO) is divided into several one-dimensional problems to get rid of the 'high dimensionality' problem whereas premature convergence is removed by the inclusive-learning approach. The proposed Niv and Pr-based technique with the MIMPSO algorithm is applied on the Berkley Dataset (BSDS300) images which produce better optimal thresholds at a faster convergence rate with high functional values as compared to the considered optimisation techniques like PSO, genetic algorithm (GA) and artificial bee colony (ABC). The overall performance in terms of the fidelity parameters of the proposed algorithm is carried out over the other stated global optimisers.
本文提出了一种由像素强度的归一化指标值(Niv)和概率(Pr)组成的图像分割算法。为了降低计算复杂度,提出了一种基于互包容学习的优化策略——互包容多群粒子群优化(MIMPSO)。在相互学习中,粒子群优化(PSO)的高维问题被分解为几个一维问题,以摆脱“高维”问题,而包含学习方法则消除了过早收敛。与PSO、遗传算法(GA)和人工蜂群(ABC)等优化技术相比,提出的基于Niv和pr的MIMPSO算法技术应用于伯克利数据集(BSDS300)图像,以更快的收敛速度和高功能值产生更好的最佳阈值。在保真度参数方面,所提出的算法的整体性能优于其他声明的全局优化器。
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引用次数: 4
Fine-tuning of pre-trained convolutional neural networks for diabetic retinopathy screening: a clinical study 预训练卷积神经网络用于糖尿病视网膜病变筛查的微调:一项临床研究
Pub Date : 2020-04-17 DOI: 10.1504/ijcse.2020.10028621
Saboora M. Roshan, A. Karsaz, A. Vejdani, Yaser M. Roshan
Diabetic retinopathy is a serious complication of diabetes, and if not controlled, may cause blindness. Automated screening of diabetic retinopathy helps physicians to diagnose and control the disease in early stages. In this paper, two case studies are proposed, each on a different dataset. Firstly, automatic screening of diabetic retinopathy utilising pre-trained convolutional neural networks was employed on the Kaggle dataset. The reason for using pre-trained networks is to save time and resources during training compared to fully training a convolutional neural network. The proposed networks were fine-tuned for the pre-processed dataset, and the selectable parameters of the fine-tuning approach were optimised. At the end, the performance of the fine-tuned network was evaluated using a clinical dataset comprising 101 images. The clinical dataset is completely independent from the fine-tuning dataset and is taken by a different device with different image quality and size.
糖尿病视网膜病变是糖尿病的严重并发症,如果不加以控制,可能会导致失明。糖尿病视网膜病变的自动筛查有助于医生在早期阶段诊断和控制疾病。本文提出了两个案例研究,每个案例都基于不同的数据集。首先,利用预先训练好的卷积神经网络对Kaggle数据集进行糖尿病视网膜病变的自动筛选。使用预训练网络的原因是与完全训练卷积神经网络相比,在训练过程中节省时间和资源。针对预处理数据集对所提出的网络进行了微调,并对微调方法的可选参数进行了优化。最后,使用包含101张图像的临床数据集评估微调网络的性能。临床数据集完全独立于微调数据集,由不同的设备以不同的图像质量和大小拍摄。
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引用次数: 2
Reversibly hiding data using dual images scheme based on EMD data hiding method 基于EMD数据隐藏方法的双图像可逆隐藏方案
Pub Date : 2020-04-17 DOI: 10.1504/ijcse.2020.10028624
Yu Chen, Jiang-Yi Lin, Chinchen Chang, Yu-Chen Hu
This paper presents a novel greyscale image reversible data hiding scheme based on exploiting modification direction (EMD) method. In this scheme, two 5-ary secret numbers are embedded into each pixel pair in the cover image according to the EMD method to generate two pairs of stego pixels. Two meaningful shadow images are obtained by shifting the generated corresponding pixel pairs, and the original image and the secret data can be accurately recovered when the two shadow images are operated together. Experimental results show that the proposed scheme has a good performance in the shadow image quality and the image embedding ratio.
提出了一种基于修正方向(EMD)方法的灰度图像可逆数据隐藏方案。在该方案中,根据EMD方法在封面图像的每个像素对中嵌入两个5元密钥,生成两对隐进像素。通过对生成的对应像素对进行移位,得到两幅有意义的阴影图像,两幅阴影图像一起运算,可以准确恢复原始图像和秘密数据。实验结果表明,该方案在阴影图像质量和图像嵌入率方面具有良好的性能。
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引用次数: 1
A benchmarking framework using nonlinear manifold detection techniques for software defect prediction 基于非线性流形检测技术的软件缺陷预测基准测试框架
Pub Date : 2020-04-17 DOI: 10.1504/ijcse.2020.10028623
Soumi Ghosh, A. Rana, Vineet Kansal
Prediction of software defects in time improves quality and helps in locating the defect-prone areas accurately. Although earlier considerable methods were applied, actually none of those measures was found to be fool-proof and accurate. Hence, a newer framework includes nonlinear manifold detection model, and its algorithm originated for defect prediction using different techniques of nonlinear manifold detection (nonlinear MDs) along with 14 different machine learning techniques (MLTs) on eight defective software datasets. A critical analysis cum exhaustive comparative estimation revealed that nonlinear manifold detection model has a more accurate and effective impact on defect prediction as compared to feature selection techniques. The outcome of the experiment was statistically tested by Friedman and post hoc analysis using Nemenyi test, which validates that hidden Markov model (HMM) along with nonlinear manifold detection model outperforms and is significantly different from MLTs.
及时预测软件缺陷可以提高质量,并有助于准确定位容易出现缺陷的区域。虽然以前采用了相当多的方法,但实际上没有一种措施是万无一失和准确的。因此,一个新的框架包括非线性流形检测模型,其算法源于使用不同的非线性流形检测技术(非线性MDs)以及14种不同的机器学习技术(mlt)对8个缺陷软件数据集的缺陷预测。关键分析和详尽的比较估计表明,与特征选择技术相比,非线性流形检测模型对缺陷预测具有更准确和有效的影响。实验结果由Friedman进行统计检验,并利用Nemenyi检验进行事后分析,验证了隐马尔可夫模型(HMM)和非线性流形检测模型优于mlt,并显著不同于mlt。
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引用次数: 27
期刊
Int. J. Comput. Sci. Eng.
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