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

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Optimal sizing of standalone small rotor wind and diesel system with energy storage for low speed wind operation 单机小转子风力和柴油系统的最优尺寸,用于低速风力运行的储能
R. Prajapati, V. Garg
In recent years, standalone systems are becoming economic and substantial for the electrification in remote areas, where grid connectivity is difficult. This paper presents an approach for electrification of shadow regions in Himalayan area, where the solar energy is not sufficient. The method presented uses the wind-diesel hybrid system for generation of electricity to meet the electric power requirements for a cluster of villages. The approach is novel as it uses small rotor wind turbines (SRWT) in the wind-diesel system. The advantages of using SRWT are (i) low cost, (ii) small in size, (iii) low-speed operation, and (iv) affordable for rural communities. The paper discusses the sizing of different system components to find out optimal combination of energy for the selected study while minimizing the cost of energy (COE) generation for required reliability values. The sizing is performed for three different seasonal load profiles. The two reliability values are considered for the selection of optimum solution of year round application. The proposed model provides continuous supply of electricity while minimizing the energy.
近年来,对于电网连接困难的偏远地区的电气化来说,独立系统变得越来越经济和重要。本文提出了在喜马拉雅地区太阳能不足的阴影地区实现电气化的方法。该方法利用风力-柴油混合发电系统来满足村庄集群的电力需求。这种方法是新颖的,因为它在风力-柴油系统中使用小转子风力涡轮机(SRWT)。使用SRWT的优点是:(i)成本低,(ii)体积小,(iii)运行速度慢,以及(iv)农村社区负担得起。本文讨论了不同系统组件的尺寸,以找到所选研究的最佳能量组合,同时最小化所需可靠性值的能源成本(COE)。对三种不同的季节性负荷进行分级。考虑了这两个可靠度值,选择了全年应用的最优方案。所提出的模型在最大限度地减少能源消耗的同时提供持续的电力供应。
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引用次数: 2
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
Modified centralized approach for preventing collision at traffic intersection 一种改进的交叉口碰撞集中预防方法
Ruchika Chawla, Prateek Thakral, Akshay Kumar Kaura, Kapil O. Gupta
Traffic control at intersection is a system where conflict resolution between different lanes is required so that vehicles can access the intersection without hitting each other and also which prevents deadlocks. With the emergence of Vehicular Ad Hoc Networks (VANETs), Intelligent Transportation Systems (ITS) has seen emergence of new algorithms for autonomous cars such as collision detection, traffic maneuver & traffic control at intersection. Traffic light based algorithms use complex computational mechanism such as neural network and machine learning which make these algorithms complex to implement and use. The approach which we are going to discuss in this paper is to model the problem as the Vehicle Mutual Exclusion for Intersections (VMEI) which provides centralized solution to this problem. In VMEI approach number of vehicles that can access the intersection in one pass is not at all defined and it is left to the human intervention, we will call it as threshold. In this paper we will provide solution to threshold problem in centralized approach.
交叉口交通控制是一种需要解决不同车道之间的冲突,使车辆在不发生碰撞的情况下进入交叉口,并防止发生死锁的系统。随着车辆自组织网络(VANETs)的出现,智能交通系统(ITS)已经出现了自动驾驶汽车的新算法,如碰撞检测,交通机动和十字路口交通控制。基于交通灯的算法使用复杂的计算机制,如神经网络和机器学习,这使得这些算法的实现和使用变得复杂。本文讨论的方法是将该问题建模为交叉口车辆互斥(VMEI),该方法为该问题提供了集中的解决方案。在VMEI方法中,一次通过可进入交叉口的车辆数量完全没有定义,留给人为干预,我们称之为阈值。本文将提供集中式方法中阈值问题的解决方案。
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引用次数: 3
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
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
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
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
ANFIS based kinematic analysis of a 4-DOFs SCARA robot 基于ANFIS的四自由度SCARA机器人运动学分析
Jyotindra Narayan, A. Singla
Robot kinematics plays a crucial role in recent advancements within industrial sectors and numerous medical applications. Finding forward kinematics, using DH convention is an easy task. As compared to forward kinematics, finding the inverse kinematics solution is far more challenging problem, especially when degrees-of-freedom (DOFs) are more. That is why; there is no general solution to the inverse kinematic problem of a given serial manipulator. This led to the development of alternate technique like fuzzy inference system (FIS) and neural network approach (NNA). This paper uses the combination of above two techniques, called as adaptive neuro fuzzy inference system (ANFIS), along with Gaussian membership function, in order to address the kinematic analysis of a 4-DOFs SCARA robot. The inverse kinematic solutions obtained using ANFIS are further utilized for desired path generation by the SCARA robot. Further, the complete analytical solution is developed in MATLAB environment for the validation purpose. It has been demonstrated with simulation runs that ANFIS results are satisfactory and are found in close approximation with analytical solutions.
机器人运动学在工业部门和众多医疗应用的最新进展中起着至关重要的作用。求正运动学,使用DH约定是一个简单的任务。与正运动学相比,寻找逆运动学解是一个更具挑战性的问题,特别是当自由度(dof)更多时。这就是为什么;对于给定的串联机械臂的运动学逆问题,不存在一般解。这导致了模糊推理系统(FIS)和神经网络方法(NNA)等替代技术的发展。本文将上述两种技术相结合,称为自适应神经模糊推理系统(ANFIS),并结合高斯隶属函数,以解决4自由度SCARA机器人的运动学分析问题。利用ANFIS得到的运动学逆解进一步用于SCARA机器人的期望路径生成。并在MATLAB环境下开发了完整的解析解,用于验证。仿真结果表明,ANFIS计算结果令人满意,且与解析解非常接近。
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引用次数: 11
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
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
期刊
2017 4th International Conference on Signal Processing, Computing and Control (ISPCC)
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