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2017 4th International Conference on Signal Processing, Computing and Control (ISPCC)最新文献

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A hybrid approach for detection of Type-1 software clones 一种用于检测1型软件克隆的混合方法
Pratiksha Gautam, H. Saini
Over the past few years, several software clone detection techniques have been developed. The software clones are the consequence of copied/pasted activity in software development which eventuates at different level of abstraction and may have different inception in a software system. This paper presents an efficient approach for the detection of type-1 software clones. The proposed detect type-1 software clones with high precision, recall, portability, and scalability. The type-1 clones generated by using mutation operator-based editing taxonomy.
在过去的几年中,已经开发了几种软件克隆检测技术。软件克隆是软件开发中复制/粘贴活动的结果,这些活动最终出现在不同的抽象级别,并且可能在软件系统中具有不同的开始。本文提出了一种检测1型软件克隆的有效方法。该方法具有较高的检测精度、召回率、可移植性和可扩展性。使用基于突变操作符的编辑分类法生成的type-1克隆。
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引用次数: 1
Fault localization in software testing using soft computing approaches 基于软计算方法的软件测试故障定位
P. Singh, Sheely Garg, Mandeep Kaur, M. Bajwa, Y. Kumar
Testing is the most important and critical task in software development life cycle. Whenever software testing execution fails its test scripts is analyzed so that the point where fault occurred can be detected and the expected result can be achieved. Detecting fault in software is called as fault localization. Manually fault localization can be a cumbersome job so providing automated technique to do the same without human intervention is the demand from long time. In this paper, a brief overview of some important fault localization technique using soft computing techniques is carried out. Based on the identified points, it is identified that better result may be generated using machine learning technique along with time reduction. Prime objective of this paper is to made and attempt for identifying the fault localization techniques in combination with soft computing approaches to minimize the time and space complexities, so that the better results may be achieved in context of usability and effectiveness.
测试是软件开发生命周期中最重要、最关键的任务。每当软件测试执行失败时,就分析它的测试脚本,以便可以检测到发生故障的点,并实现预期的结果。在软件中检测故障称为故障定位。手动故障定位可能是一项繁琐的工作,因此提供自动化技术来完成相同的工作而无需人工干预是长期以来的需求。本文简要介绍了利用软计算技术进行故障定位的几种重要技术。基于识别的点,确定了使用机器学习技术在减少时间的同时可以产生更好的结果。本文的主要目的是提出并尝试结合软计算方法识别故障定位技术,以最大限度地减少时间和空间复杂性,从而在可用性和有效性的前提下获得更好的结果。
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引用次数: 5
Low-cost color space based image compression algorithm for capsule endoscopy 基于低成本彩色空间的胶囊内窥镜图像压缩算法
Nithin Varma Malathkar, S. Soni
An efficient compression algorithm for the capsule endoscopy is described in this paper. This paper consists of a simplified YUV color space, which is developed by taking endoscopy images unique properties into consideration. This is built on RGB-sYUV color conversion, differential pulse code modulation (DPCM) and Golomb-Rice encoder. This DPCM doesn't need any extra buffer memory to store one row of images and Golomb-Rice (G-R) code is simple and easily hardware implemented. This algorithm is lossless and give a compression ratio (CR) of 68.1%. It gives better results than the standard lossless algorithm regarding complexity and compression ratio in capsule endoscopy applications.
提出了一种有效的胶囊内窥镜压缩算法。本文由一个简化的YUV色彩空间组成,该空间是考虑到内窥镜图像的独特性质而开发的。这是建立在RGB-sYUV颜色转换,差分脉冲编码调制(DPCM)和Golomb-Rice编码器。该DPCM不需要任何额外的缓冲存储器来存储一行图像,并且Golomb-Rice (G-R)代码简单且易于硬件实现。该算法是无损的,压缩比(CR)为68.1%。在胶囊内窥镜应用中,该算法在复杂度和压缩比方面优于标准无损算法。
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引用次数: 0
Digital 3D barcode image as a container for data hiding using steganography 数字三维条码图像作为数据隐藏的容器,采用隐写技术
Rama Rani, Gaurav Deep
Steganography is a technique of concealing private information in a cover medium in such a way that it becomes impossible for the third person to come to know that some confidential information is contained in the cover envelope. In today's era with the inception of new emerging technologies, barcodes has become one of the most popular methods to provide a mechanism for protecting sensitive information.3D barcodes are used to accommodate high data rates by making use of third dimension as a color. 3D barcodes serves as the most reliable technique to hide data because they do not make use of any error correction levels due to the reason that it is very difficult to alter the encoded information. This paper introduces the concept of data hiding in barcodes by using color as third dimension. The process is classified into different categories and performance is evaluated by using various statistical parameters.
隐写术是一种将私人信息隐藏在封面媒体中的技术,其方式使第三人无法知道封面信封中包含的某些机密信息。在当今时代,随着新兴技术的兴起,条形码已成为最流行的方法之一,提供保护敏感信息的机制。3D条形码通过利用三维作为颜色来适应高数据速率。3D条形码是最可靠的隐藏数据的技术,因为它不使用任何纠错级别,因为它很难改变编码信息。介绍了以颜色为第三维的条形码数据隐藏的概念。将该过程分为不同的类别,并使用各种统计参数对其性能进行评估。
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引用次数: 7
Salient infrared target and visible image fusion based on morphological segmentation 基于形态学分割的显著红外目标与可见光图像融合
Pawanjot Kaur, Harbinder Singh, Vinay Kumar
The considerable information from different images of same scene can be integrated into single image by using image fusion which is worthy for human visualization and computer vision and other image-processing tasks. In this paper, single resolution weighted average image fusion approach based on morphological operations is proposed. To select salient infrared targets details from infrared imagery and spatial detailed information from visible imagery, the morphological operation are applied on input images for weight map computation. By adopting the proposed method, spatial information is mostly preserved and infrared targets can be easily visualized in the resulting fused images. Experimental results are demonstrated to support the validity of morphological operations for weighted average based fusion of infrared image and visible image.
通过图像融合,可以将同一场景的不同图像中的大量信息整合到单个图像中,可用于人类可视化和计算机视觉等图像处理任务。提出了一种基于形态学运算的单分辨率加权平均图像融合方法。为了从红外图像中选择显著的红外目标细节和从可见光图像中选择空间细节信息,对输入图像进行形态学运算,进行权重图计算。该方法在很大程度上保留了空间信息,融合后的图像能够很好地显示红外目标。实验结果证明了形态学操作在基于加权平均的红外图像与可见光图像融合中的有效性。
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引用次数: 1
Comparative analysis of color and texture features in content based image retrieval 基于内容的图像检索中颜色和纹理特征的比较分析
J. Kaur
Content-based image retrieval is a system which extracts the relevant set of images and matches with query image from large number of dataset. CBIR is used in many important areas such as education, defense, biomedical, crime prevention etc. In CBIR, the images are indexed according to content of image i.e. color, texture and shape that are derived from images. Many features and algorithms can be used to improve retrieval accuracy and to reduce the retrieval time. In this paper, we compare the different algorithms to extract color and texture features of an image and retrieve the relevant images. We measure the similarity between two images using different distance measures. The performance of each method has been individually evaluated in terms of average precision.
基于内容的图像检索是一种从大量数据集中提取相关图像集并与查询图像进行匹配的系统。CBIR应用于许多重要领域,如教育、国防、生物医学、预防犯罪等。在CBIR中,根据图像的内容,即从图像中提取的颜色、纹理和形状对图像进行索引。许多特征和算法可以用来提高检索精度和减少检索时间。在本文中,我们比较了不同的算法来提取图像的颜色和纹理特征,并检索相关的图像。我们使用不同的距离度量来度量两幅图像之间的相似性。每种方法的性能分别以平均精度进行了评价。
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引用次数: 0
Non-invasive EEG-metric based stress detection 基于无创脑电图的应力检测
Gaurav, R. Anand, Vinod Kumar
Psychological stress is a vital parameter related to individual's health and cognitive performance which may affect emotions and professional efficiency. Regula stress profile generated can be used as neurofeedback for the clinical as personal assessment. This paper describes a method to detect mental stress level based on physiological parameters. In this method an electroencephalogram (EEG) parameter based binary stress classifier is developed which is validated through probabilistic stress profiler of differential stress inventory questionnaire. A non-invasive 9 channel EEG is used to extract physiological signal and an EEG-metric based cognitive state and workload outputs is generated for 41 healthy volunteers (37 males and 4 females, age; 24±5 years). All subjects were performed three simple tasks of closed eye, focusing vision on a red dot on center of dark screen and focusing on a white screen. Central tendencies (mean, median and mode) are extracted from of EEG-metric (sleep onset, distraction, low engagement, high engagement and cognitive states) as features. Either of the two classes as low stress or high stress are evaluated from probabilistic stress profiler of differential stress inventory and used as training output classes. A supervisory training of multiple layer perceptron based binary support vector machine classifier was used to detect stress class one by one. 40 subject's samples were used for training and interchanging one-by one 41th subject's stress class is determined from the designed classifier. Out of 41 subjects, stress level of 30 subjects is correctly identified.
心理应激是关系到个体健康和认知表现的重要参数,它可能影响情绪和职业效率。产生的规律应激谱可作为神经反馈用于临床和个人评估。本文介绍了一种基于生理参数的心理应激水平检测方法。该方法提出了一种基于脑电图参数的二值应力分类器,并通过差值应力问卷的概率应力剖面仪进行了验证。41名健康志愿者(男性37名,女性4名,年龄;24±5年)。所有被试都完成了三个简单的任务:闭上眼睛,将视觉聚焦在黑暗屏幕中心的红点上,以及聚焦在白色屏幕上。集中倾向(均值、中位数和模式)是从脑电图度量(睡眠开始、注意力分散、低参与、高参与和认知状态)中提取出来的特征。利用差应力量表的概率应力剖面法对低应力和高应力两类进行评估,并将其作为训练输出类。采用基于多层感知器的监督训练二值支持向量机分类器对应力分类进行逐级检测。使用40个被试样本进行训练和一一互换,从设计的分类器中确定第41个被试的压力等级。在41名受试者中,30名受试者的压力水平被正确识别。
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引用次数: 2
A comparative study of edge detectors in digital image processing 边缘检测器在数字图像处理中的比较研究
Ashutosh Sharma, Mohd Dilshad Ansari, Rajiv Kumar
Edge detection is one of the most fundamental operations in image processing and is one of the most commonly used operations in image processing and pattern recognition. The reason for this is that edges form the outline of an object and thus reduce the size of file without losing the useful information. An edge is the boundary between an object and the background, and indicates the boundary between overlapping objects. Edge detection reduces the amount of data needed to process by removing unnecessary features. Knowing the positions of these boundaries is critical in the process of image enhancement, recognition, restoration and compression. The edges of image are considered to be most important image attributes that provide valuable information for human image perception. The areas of this work are in digital image process and telecommunication engineering, which are very wide fields. In this paper a comparison of different edge detectors has been made and results formed using the values of mean square error and peak signal to noise ratio shows that intuitionistic fuzzy edge detector outperform over the existed edge detectors.
边缘检测是图像处理中最基本的操作之一,也是图像处理和模式识别中最常用的操作之一。这样做的原因是,边缘形成了一个对象的轮廓,从而减少了文件的大小,而不会丢失有用的信息。边缘是物体与背景之间的边界,表示重叠物体之间的边界。边缘检测通过去除不必要的特征来减少处理所需的数据量。了解这些边界的位置在图像增强、识别、恢复和压缩过程中是至关重要的。图像的边缘被认为是最重要的图像属性,为人类的图像感知提供了有价值的信息。这项工作涉及的领域是数字图像处理和通信工程,这是一个非常广泛的领域。本文对不同的边缘检测器进行了比较,利用均方误差值和峰值信噪比得出的结果表明,直觉模糊边缘检测器优于现有的边缘检测器。
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引用次数: 33
Morphological based moving object detection with background subtraction method 基于形态学的背景减法运动目标检测
Rudrika Kalsotra, Sakshi Arora
Moving object detection is an active research area in the field of video processing and computer vision forming the base of many video analytic applications. The typical impediments in detection of moving objects including dynamic scenes, sudden illumination variations, complex background, effects of shadows, bootstrapping, video noise and camouflage receive the attention of researchers around the globe. This study proposes a morphological based approach for moving object detection. Morphological operations are combined with background subtraction technique and thresholding for experimental purpose. Furthermore, this paper outlines the methods of moving object detection and summarizes the recent research trends in this direction. The goal of this research is to explore the effects of morphological changes on the detection of moving objects. The preliminary results indicate that the proposed approach can generate accurate and complete moving object keeping the required details intact for meaningful object detection.
运动目标检测是视频处理和计算机视觉领域的一个活跃研究领域,是许多视频分析应用的基础。动态场景、光照突然变化、复杂背景、阴影影响、自举、视频噪声和伪装等运动物体检测中的典型障碍受到全球研究人员的关注。本研究提出一种基于形态学的运动目标检测方法。形态学操作结合背景减法和阈值法进行实验。此外,本文概述了运动目标检测的方法,并总结了该方向的最新研究动向。本研究的目的是探讨形态学变化对运动物体检测的影响。初步结果表明,该方法可以生成准确完整的运动目标,并保持所需细节的完整性,从而实现有意义的目标检测。
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引用次数: 6
Computational model predictions of level dependent changes in vowel identification with addition of rate-place cue 添加语速位置线索时元音识别水平相关变化的计算模型预测
P. Misra, A. Chintanpalli
A signal processing model based on temporal cues of auditory-nerve fibers had been developed to understand the level dependent changes in vowel identification scores. To this study, the rate-place cues of auditory-nerve fibers were added to the existing temporal model of vowel identification. The model includes the human version of the auditory-nerve model, with added rate-place cues, along with the neural network to identify vowels. The model predictions of vowel identification across levels with only temporal cues are compared with the model predictions with both temporal and rate-place cues of auditory-nerve fibers. This paper also analyses the vowel identification scores from the perspective of auditory-nerves corresponding to first and second formants (F1 and F2) besides the entire spectrum of auditory-nerve fibers. The model prediction revealed that the representation of second formant (F2) was improved with added rate-place cues especially at low-to-mid levels and could be associated with lower acoustic energy of F2. Thus, this paper possibly explains the role of rate-places cues for vowel identification scores across levels.
建立了基于听觉神经纤维时间线索的信号处理模型来理解元音识别分数的水平依赖性变化。本研究将听觉神经纤维的频率位置线索加入到现有的元音识别时间模型中。该模型包括人类版本的听觉神经模型,增加了频率位置线索,以及识别元音的神经网络。将仅使用时间线索的模型预测与同时使用听觉神经纤维的时间和频率位置线索的模型预测进行了比较。除了整个听神经纤维谱外,本文还从第一和第二共振峰(F1和F2)对应的听神经角度分析了元音识别分数。模型预测表明,增加速率位置信号后,第二形成峰(F2)的表征得到改善,特别是在低至中电平,这可能与F2的较低声能有关。因此,这篇论文可能解释了语速位置线索在不同水平的元音识别分数中的作用。
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引用次数: 0
期刊
2017 4th International Conference on Signal Processing, Computing and Control (ISPCC)
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