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2015 2nd International Conference on Pattern Recognition and Image Analysis (IPRIA)最新文献

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Analysis and predicting electricity energy consumption using data mining techniques — A case study I.R. Iran — Mazandaran province 使用数据挖掘技术分析和预测电力能源消耗-以伊朗马赞达兰省为例
Noorollah Karimtabar, Sadegh Pasban, S. Alipour
The electricity consumption forecast is especially important with regard to policy making in developing countries. In this paper, the electricity consumption rate is predicted using the data mining techniques. The datasets that were collected for predicting the electricity consumption are related to Islamic Republic of Iran - Mazandaran province pertaining to the years 1991 to 2013. The research objective is analyzing the electricity consumption rate in recent years and predicting future consumption. According to a study the electricity consumption growth rate between the years 2006 to 2013 and the years 1999 to 2006 equaled 28.41 and 73.53, respectively. The results of the research conducted using the regression model indicate a 2.48 relative error. The output of this prediction shows that the total electricity consumption rate increases about 3.2% annually on average and will reach 7076796 megawatts by the year 2020 that shows a 22.28% growth comparing to the year 2013.
电力消费预测对发展中国家的政策制定尤其重要。本文采用数据挖掘技术对电力消耗率进行预测。为预测电力消耗而收集的数据集与1991年至2013年伊朗伊斯兰共和国马赞达兰省有关。研究的目的是分析近年来的用电量,预测未来的用电量。根据一项研究,2006年至2013年和1999年至2006年的用电量增长率分别为28.41和73.53。使用回归模型进行的研究结果表明,相对误差为2.48。这一预测的输出表明,总用电量平均每年增长3.2%左右,到2020年将达到7076796兆瓦,比2013年增长22.28%。
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引用次数: 12
Fast and robust L0-tracker using compressive sensing 使用压缩感知的快速鲁棒l0跟踪器
M. Javanmardi, M. Yazdi, M. Shirazi
In recent years, Compressive Sensing (CS) or sparse representation has been considered as one of the most favorite topics in the areas of Computer Vision. In particular this theory can be widely applied in Visual Tracking applications. Addressing the problem of sparse representation through minimizations methods can play a dominant role in the CS trackers (trackers based on CS theory). In contrast to the previous algorithms which usually solve the problem of minimization by using L1-norm, L0-norm minimization is used directly to achieve sparseness in our proposed method. Simulations and results demonstrate that the proposed method can achieve the same or better accuracy with many less complexity than traditional algorithms which used interior-point method.
近年来,压缩感知(CS)或稀疏表示被认为是计算机视觉领域最受欢迎的主题之一。特别是该理论可以广泛应用于视觉跟踪的应用。通过最小化方法解决稀疏表示问题可以在CS跟踪器(基于CS理论的跟踪器)中发挥主导作用。与以往算法通常使用l1范数来解决最小化问题不同,我们提出的方法直接使用l0范数最小化来实现稀疏性。仿真和结果表明,该方法与传统的内点法相比,具有相同或更高的精度,且复杂度大大降低。
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引用次数: 1
A new robust semi-blind image watermarking based on block classification and visual cryptography 基于块分类和视觉密码的鲁棒半盲图像水印
Ali Fatahbeygi, F. Akhlaghian
In this paper a novel and robust image watermarking algorithm based on block classification and visual cryptography (VC) is presented. The proposed method inserts a watermark pattern without modifying the original host image. First the original image is decomposed into non-overlapping blocks. Then, we use canny edge detection and support vector machine (SVM) classification method to categorize these blocks into smooth and non-smooth (non-edge and edge) classes. The VC technique is used to generate two image shares. A master share that is constructed according to the block classification results and then owner share is generated by comparing master share together with binary watermark according to the (2,2) VC technique. To verify the ownership of the image, watermark can be retrieved by stacking the master share and the owner share. Experimental results show that the proposed watermarking scheme is completely imperceptible and also has high robustness against common image processing attacks.
提出了一种基于块分类和视觉密码的鲁棒图像水印算法。该方法在不修改原始主机图像的情况下插入水印图案。首先将原始图像分解为不重叠的块。然后,我们使用巧妙的边缘检测和支持向量机(SVM)分类方法将这些块分为光滑和非光滑(非边缘和边缘)类。使用VC技术生成两个图像共享。根据块分类结果构造主份额,然后根据(2,2)VC技术将主份额与二值水印进行比较,生成所有者份额。为了验证图像的所有权,可以通过叠加主共享和所有者共享来检索水印。实验结果表明,所提出的水印方案具有完全不可感知性,并且对常见的图像处理攻击具有较高的鲁棒性。
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引用次数: 4
Expression recognition using directional gradient local pattern and gradient-based ternary texture patterns 基于方向梯度的局部模式和基于梯度的三元纹理模式的表情识别
Z. Shokoohi, Ramin Bahmanjeh, K. Faez
Facial expression is an important channel in human communication. Therefore, the problem of facial expression recognition (FER) attracts the growing attention of the research community in the recent years. In this context, the critical point for is the possibility to detect accurately the emotional features. An effective facial feature descriptor is an important issue in the design of a successful expression recongnition algorithm. Although recently there have been certain progress in this domain, extracting a face feature descriptor stable under changing environment is still a difficult task. In this paper, we illustrate empirically the algorithm of person-independent facial expression recognition based on statistical local features such as Directional gradient Local Pattern (DGLP) and gradient local ternary pattern (GLTP). The combined DGLP and GLTP operator encodes the local texture of an image by computing the gradient magnitudes of local neighborhood as well as the angle of direction of the edge and converts those values into feature vector. The results obtained indicate that the combined DGLP and GLTP method performs better than other methods used for facial expression recognition problems in high-textured facial regions.
面部表情是人类交流的重要渠道。因此,面部表情识别问题近年来越来越受到研究界的关注。在这种情况下,关键的一点是能否准确地检测出情绪特征。有效的面部特征描述符是设计成功的表情识别算法的一个重要问题。尽管近年来该领域的研究取得了一定的进展,但提取在环境变化下稳定的人脸特征描述子仍然是一个难点。本文对基于方向梯度局部模式(DGLP)和梯度局部三元模式(GLTP)等统计局部特征的人脸独立识别算法进行了实证研究。结合DGLP和GLTP算子,通过计算局部邻域的梯度大小和边缘的方向角,对图像的局部纹理进行编码,并将这些值转换为特征向量。结果表明,DGLP和GLTP联合方法在高纹理面部区域的面部表情识别问题上优于其他方法。
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引用次数: 5
Batch color classification using bag of colors and discriminative sparse coding 采用颜色包和判别稀疏编码进行批量颜色分类
M. Soltani-Sarvestani, Azimifar Zohreh
Color can be a useful feature in many fields of AI that are based on machine vision. Unfortunately, many existing vision system do not use color to its full extent, largely because color-based recognition in outdoor scene is complicated, and existing color machine vision techniques have not been shown to be effective in realistic outdoor images. The problem of color recognition in outdoor is considerable when we are faced with glossy materials like automobiles. There is no powerful method to recognize color of a batch of pixels. Thus, for the first time, we propose a novel method to detect dominant color of a group of pixels. This method has many applications in object color detection especially for glossy objects.
在许多基于机器视觉的人工智能领域,颜色是一个有用的特征。遗憾的是,许多现有的视觉系统并没有充分利用颜色,这很大程度上是因为基于颜色的户外场景识别是复杂的,现有的颜色机器视觉技术并没有显示出对真实的户外图像的有效性。当我们面对像汽车这样有光泽的材料时,户外的色彩识别问题是相当大的。目前还没有一种有效的方法来识别一批像素的颜色。因此,我们首次提出了一种新的方法来检测一组像素的主色。该方法在物体颜色检测中有着广泛的应用,特别是对光滑物体的颜色检测。
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引用次数: 3
Intelligent feature subset selection with unspecified number for body fat prediction based on binary-GA and Fuzzy-Binary-GA 基于二值遗传算法和模糊二值遗传算法的体脂预测智能特征子集选择
Farshid Keivanian, N. Mehrshad
Knowing the body fat is an extremely important issue since it affects everyone's health. Although there are several ways to measure the body fat percentage (BFP), the accurate methods are often associated with hassle and/or high costs. Therefore, certain measurements or explanatory variables are used to predict the BFP. This study proposes an intelligent feature subset selection approach with unspecified number of features based on Binary GA and Fuzzy Binary GA algorithms to discover most important variable or feature and facilitate an artificial neural network (ANN) classifier model which is applied for body fat prediction (BFP). The proposed forecasting model is able to effectively predict the BFP with error of ± 3.64031% and the most effective feature of forearm circumference among total twelve features by using Fuzzy Binary GA.
了解身体脂肪是一个非常重要的问题,因为它影响到每个人的健康。虽然有几种测量体脂率(BFP)的方法,但准确的方法往往与麻烦和/或高成本有关。因此,某些测量或解释变量被用来预测BFP。本研究提出了一种基于二元遗传算法和模糊二元遗传算法的非指定数量特征的智能特征子集选择方法,以发现最重要的变量或特征,并促进人工神经网络(ANN)分类器模型应用于体脂预测(BFP)。该预测模型采用模糊二值遗传算法,能够有效预测出12个特征中最有效的前臂围度特征,预测误差为±3.64031%。
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引用次数: 4
An analytical review for event prediction system on time series 基于时间序列的事件预测系统分析综述
Soheila Molaei, M. Keyvanpour
This Time series mining is a new area of research in temporal databases and has been an active area of research with its notable recent progress. Event prediction is one of the main goals of time series mining which have important roles for appropriate decision making in different application area. So far, different studies have been presented in the field of time series mining for meaningful events prediction, which have ample challenges. Lack of systematic identification of challenges causes some obstacles for the development of methods. In this paper, due to the abundance and diversity of challenges in event prediction system on time series, lack of a perfect platform for their systematic identification and removing barriers for the development of methods, a classification is proposed for challenging problems of event prediction system on time series. Also, reviewed and analyzed the application of data mining techniques for solving different challenges in event prediction system on time series. For this goal, the article tries to closely study and categorize related researches for better understanding and to reach a comparison structure that can map data mining techniques into the event prediction challenges. The proposed classification of this paper by introducing systematic challenges can help create different research pivots for the elimination of challenges in different areas of applying and developing methods. We think that this paper can help researchers in event prediction systems on time series for the future activities.
时间序列挖掘是时间数据库研究的一个新领域,近年来取得了显著的进展,是一个非常活跃的研究领域。事件预测是时间序列挖掘的主要目标之一,对不同应用领域的决策具有重要意义。到目前为止,在时间序列挖掘领域有意义的事件预测的研究已经出现了不同的研究,存在着很大的挑战。缺乏对挑战的系统识别对方法的发展造成了一些障碍。本文针对时间序列事件预测系统挑战的丰丰性和多样性,缺乏一个完善的系统识别平台,消除了方法发展的障碍,提出了对时间序列事件预测系统挑战问题的分类方法。回顾和分析了数据挖掘技术在时间序列事件预测系统中解决各种挑战的应用。为此,本文试图对相关研究进行仔细研究和分类,以便更好地理解和达成一种比较结构,将数据挖掘技术映射到事件预测挑战中。本文提出的通过引入系统挑战的分类可以帮助创建不同的研究支点,以消除应用和开发方法的不同领域的挑战。我们认为本文可以帮助研究人员在时间序列上对未来活动的事件预测系统。
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引用次数: 23
Weighted Vote Fusion in prototype random subspace for thermal to visible face recognition 基于原型随机子空间的加权投票融合热到可见人脸识别
Samira Reyhanian, E. Arbabi
The human body, like all other objects with temperature above the absolute zero, emits electromagnetic wave. The emission of infrared electromagnetic wave from the human face produces thermal images. Thus thermal images can be formed even in dark conditions, in which the formation of the visible image is impossible. However, the majority of the stored images in the recognition systems are visible. Thus, matching the thermal probe and visible gallery images can solve the night time face recognition problem. On the other hand, because of the different formation mechanism of these two types of images, there are lots of challenges in the matching process. Prototype random subspace approach is one of the most successful methods in the area of thermal to visible face recognition. In this paper, we have revised the recognition step of prototype random subspace approach by proposing Weighted Vote Fusion scheme. The proposed strategy has been tested on an available data set and the results show about 9% of improvement in recognition rate, comparing to the original approach.
人体和其他温度高于绝对零度的物体一样,会发射电磁波。人脸发射的红外电磁波产生热图像。因此,即使在不可能形成可见光图像的黑暗条件下,热图像也能形成。然而,大多数存储在识别系统中的图像是可见的。因此,将热探头与可见图库图像进行匹配可以解决夜间人脸识别问题。另一方面,由于这两类图像的形成机制不同,在匹配过程中存在很多挑战。原型随机子空间方法是热到可见人脸识别领域最成功的方法之一。本文通过提出加权投票融合方案,对原型随机子空间方法的识别步骤进行了改进。在一个可用的数据集上进行了测试,结果表明,与原始方法相比,该策略的识别率提高了约9%。
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引用次数: 5
Vehicle counting method based on digital image processing algorithms 基于数字图像处理算法的车辆计数方法
Ali Tourani, A. Shahbahrami
Vehicle counting process provides appropriate information about traffic flow, vehicle crash occurrences and traffic peak times in roadways. An acceptable technique to achieve these goals is using digital image processing methods on roadway camera video outputs. This paper presents a vehicle counter-classifier based on a combination of different video-image processing methods including object detection, edge detection, frame differentiation and the Kalman filter. An implementation of proposed technique has been performed using C++ programming language. The method performance for accuracy in vehicle counts and classify was evaluated, which resulted in about 95 percent accuracy for classification and about 4 percent error in vehicle detection targets.
车辆计数程序可提供有关交通流量、车辆碰撞事件及道路交通高峰时间的适当资料。实现这些目标的一种可接受的技术是在道路摄像机视频输出上使用数字图像处理方法。本文提出了一种基于不同视频图像处理方法的车辆反分类器,包括目标检测、边缘检测、帧微分和卡尔曼滤波。采用c++编程语言对该技术进行了实现。对该方法在车辆计数和分类方面的准确性进行了评估,结果表明,该方法的分类准确率约为95%,车辆检测目标的误差约为4%。
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引用次数: 16
Medical images stabilization using sparse-induced similarity measure 使用稀疏诱导相似度量的医学图像稳定
A. Hariri, Soroush Arabshahi, A. Ghafari, E. Fatemizadeh
Medical image stabilization has been widely used for clinical imaging modalities. Registration is a conspicuous stage for stabilizing dynamic medical images. Some of regular methods are sensitive to bias field distortion. Sparse-induced similarity measure (SISM) is a robust registering method against spatially-varying intensity distortions which is not evitable on clinical imaging instruments. This paper presents a method for registering medical images to average of captured images using SISM method to avoid spatially-varying intensity distortions like Bias field. Proposed method is compared with SSD and MI similarity measure based registrations. Results show enhancement in stabilizing medical dynamic images with SISM method.
医学稳像技术已广泛应用于临床影像学。配准是稳定动态医学图像的重要环节。一些常规方法对偏置场畸变很敏感。稀疏诱导相似度测量(SISM)是一种鲁棒的配准方法,可以对抗临床成像仪器中不可避免的空间变化强度失真。本文提出了一种利用SISM方法对医学图像进行平均配准的方法,以避免Bias场等空间变化的强度畸变。将该方法与基于SSD和MI相似度测度的配准方法进行了比较。结果表明,SISM方法对稳定医学动态图像有增强作用。
{"title":"Medical images stabilization using sparse-induced similarity measure","authors":"A. Hariri, Soroush Arabshahi, A. Ghafari, E. Fatemizadeh","doi":"10.1109/PRIA.2015.7161624","DOIUrl":"https://doi.org/10.1109/PRIA.2015.7161624","url":null,"abstract":"Medical image stabilization has been widely used for clinical imaging modalities. Registration is a conspicuous stage for stabilizing dynamic medical images. Some of regular methods are sensitive to bias field distortion. Sparse-induced similarity measure (SISM) is a robust registering method against spatially-varying intensity distortions which is not evitable on clinical imaging instruments. This paper presents a method for registering medical images to average of captured images using SISM method to avoid spatially-varying intensity distortions like Bias field. Proposed method is compared with SSD and MI similarity measure based registrations. Results show enhancement in stabilizing medical dynamic images with SISM method.","PeriodicalId":163817,"journal":{"name":"2015 2nd International Conference on Pattern Recognition and Image Analysis (IPRIA)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126567291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
期刊
2015 2nd International Conference on Pattern Recognition and Image Analysis (IPRIA)
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