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2015 7th International Conference of Soft Computing and Pattern Recognition (SoCPaR)最新文献

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Improving image classification by orthogonality of sparse codes 利用稀疏编码的正交性改进图像分类
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492791
Céline Rabouy, Sébastien Paris, H. Glotin
Sparse Coding (SC) is an approach widely used in image classification. It allows to reconstruct the signal with few elements and follows the specific scheme of Bag-of-Words (BoW). However, we can observe a decorrelation between input patches and reconstructed patches. To answer that, Graph regularized Sparse Coding (GSC) exists. As GSC works on the training set, we propose a new modeling, Joint Sparse Coding (JSC), for the testing set. JSC can be seen as a tradeoff between SC and GSC. To go furthermore, we explore the simple fusion of models. To explain the observations of the fusion results, we will be led to study the orthogonality properties by the cosine computation. These applied on UIUCsports, 17Flowers and scenes15 lead us to put forward the various qualities of the studied bases and sparse representation. We demonstrate a significant improvement of the State-of-the-Art for the UIUCsports database.
稀疏编码(SC)是一种广泛应用于图像分类的方法。它允许用很少的元素重构信号,并遵循词袋(BoW)的具体方案。然而,我们可以观察到输入补丁和重建补丁之间的去相关。为了回答这个问题,存在图正则化稀疏编码(GSC)。由于GSC在训练集上工作,我们提出了一种新的测试集建模方法——联合稀疏编码(JSC)。JSC可以看作是SC和GSC之间的权衡。更进一步,我们探讨了模型的简单融合。为了解释聚变结果的观察结果,我们将通过余弦计算来研究正交性。这些在UIUCsports, 17Flowers和scenes15上的应用使我们提出了所研究基地的各种品质和稀疏表示。我们展示了uucsports数据库的最新技术的显著改进。
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引用次数: 1
MedLeaf: Mobile biodiversity informatics tool for mapping and identifying Indonesian medicinal Plants MedLeaf:用于绘制和鉴定印度尼西亚药用植物的移动生物多样性信息学工具
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492783
Y. Herdiyeni, Asep Rahmat Ginanjar, M. Rake, Linggar Anggoro, S. Douady, Ervizal A. M. Zuhud
We presents a mobile biodiversity informatics tools for identifying and mapping Indonesian medicinal plants. The system - called MedLeaf - has been developed as a prototype data resource for documenting, integrating, disseminating, and identifying of Indonesian medicinal plants. Identification of medicinal plant is done automatically based on digital image processing. Fuzzy Local Binary Pattern (LBP) and geometrical features are used to extract leaves features. Probabilistic Neural Network is used as classifier for discrimination. Data set consist of 85 species of Indonesian medicinal plants with 3,502 leaves digital images. Our results indicate that combination of leaves features outperform than using single features with accuracy 88.5%. The distribution of medicinal plants can be shown on mobile phone using GIS application. The application is essential to help people identify the medicinal plants and disseminate information of medicinal plants distribution in Indonesia.
我们提出了一个移动生物多样性信息学工具,用于识别和绘制印度尼西亚药用植物。这个名为MedLeaf的系统是作为记录、整合、传播和识别印度尼西亚药用植物的原型数据资源而开发的。基于数字图像处理技术实现药用植物的自动识别。利用模糊局部二值模式(LBP)和几何特征提取树叶特征。采用概率神经网络作为分类器进行判别。数据集包括85种印度尼西亚药用植物,3502张叶子的数字图像。结果表明,叶片特征组合优于单一特征,准确率为88.5%。利用GIS应用程序在手机上显示药用植物的分布情况。该应用程序对帮助人们识别药用植物和传播印度尼西亚药用植物分布信息至关重要。
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引用次数: 6
Video summarization of timestamp comments videos based on concept of folksonomy 基于大众分类法的时间戳评论视频摘要
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492806
Bo-Wen Hsieh, Wei-Lun Chen, Jian-Hung Chen
Uploading and sharing video has become a populartrend on internet recently. However, it is very difficult to understand which parts of video gain more attentions than other parts. Comment-popping video sharing websites, such as Niconico, is a new kind of emerging video sharing websites. Such websites allows users to input timestamp comments within shared video. This paper proposes two video summarization systems for comment-popping video websites based on the concept of folksonomy. The timestamp comments are analyzed and mined, and then the significant clips are chosen based on the mined information and the frequency of comments or keywords. Hereafter, a summary video is merged from these significant clips.
上传和分享视频最近已经成为互联网上的一种流行趋势。然而,很难理解视频的哪些部分比其他部分更受关注。Niconico等弹出式评论视频分享网站是一种新兴的视频分享网站。这些网站允许用户在共享视频中输入时间戳评论。基于大众分类法的概念,提出了两种针对弹出式评论视频网站的视频摘要系统。对时间戳评论进行分析和挖掘,然后根据挖掘的信息和评论或关键词的频率选择有意义的片段。接下来,从这些重要的片段中合并出一个总结视频。
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引用次数: 1
Estimation of inverse model by PSO and simultaneous perturbation method 基于粒子群和同步摄动法的逆模型估计
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492782
K. Kinoshita
This paper describes estimation of the inverse model by multi-layered neural network. The back-propagation rule requires a sensitivity function of a system. If the system has uncertainly, then we can not calculate the sensitivity function. Hence, we propose a learning rule based on particle swarm optimization (PSO) combining with simultaneous perturbation. PSO and simultaneous perturbation are suitable for estimation of the inverse model with uncertainly, because they can update by only value of the objective function. PSO has a capability of finding a global minimum and simultaneous perturbation can search local area efficiently. We introduce two adaptation method of the combination ratio. One of them is to adapt it depending on the distance from gbest. The other is to adapt it depending on the value of the objective function. The proposed method are investigated using inverse kinematics problem. The simulation results show that the proposed methods obtain the more accurate inverse model.
本文介绍了用多层神经网络估计逆模型的方法。反向传播规则需要一个系统的灵敏度函数。如果系统存在不确定性,则不能计算灵敏度函数。因此,我们提出了一种结合同步扰动的粒子群优化学习规则。由于粒子群算法和同步摄动算法仅通过目标函数的值进行更新,因此适用于具有不确定性的逆模型的估计。粒子群算法具有寻找全局最小值的能力,同时扰动可以有效地搜索局部区域。介绍了组合比的两种自适应方法。其中之一是根据距离最佳点的距离来调整它。另一种是根据目标函数的值对其进行调整。利用运动学逆问题对该方法进行了研究。仿真结果表明,所提出的方法能获得更精确的逆模型。
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引用次数: 1
Automated surface defect inspection system for capacitive touch sensor 电容式触摸传感器表面缺陷自动检测系统
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492820
Yu-Min Chiang, Yih-Lon Lin, Wei-Hong Chien
Nowadays, touch panel is used as the interface of many portable consumer electronic products, such as smart phone, digital camera, GPS, and notebook. To ensure the quality of touch panel, it is necessary to inspect the serious defects during the production process. The manufacturing processes of the capacitive touch panel are complicated. The touch sensor is one of the most important components because it directly defines the function of touch panels. The quality of the touch sensor will greatly influence the overall quality and cost of the touch panel. Regular textures can be found on the touch sensor, and it would increase the workload of manual inspection. The automated machine vision can be applied to improve these problems if a good defect detection algorithm can be provided. This research develops an automated surface defect inspection system for capacitive touch sensor by using several image processing methods. First, Fourier transformation and a multi band-pass filter is applied to filter out regular texture. Second, based on Canny edge detection, binarization, and morphology method, the defects can be detected. 60 touch sensor images of size 640×320 are tested. The average accuracy is 96.67% and the processing time is 0.15 seconds for each image.
如今,触摸屏被用作许多便携式消费电子产品的接口,如智能手机、数码相机、GPS和笔记本电脑。为了保证触摸屏的质量,有必要对生产过程中的严重缺陷进行检查。电容式触摸屏的制造工艺复杂。触摸传感器是最重要的部件之一,因为它直接定义了触摸面板的功能。触摸传感器的质量将极大地影响触摸屏的整体质量和成本。在触摸传感器上可以发现规则的纹理,这将增加人工检测的工作量。如果能够提供良好的缺陷检测算法,自动化机器视觉可以用于改善这些问题。本研究利用多种图像处理方法,开发了一套电容式触摸传感器表面缺陷自动检测系统。首先,利用傅里叶变换和多带通滤波器滤除规则纹理;其次,基于Canny边缘检测、二值化和形态学方法对缺陷进行检测;测试了60个尺寸为640×320的触摸传感器图像。平均准确率为96.67%,每张图像的处理时间为0.15秒。
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引用次数: 3
Adaptive threshold triggering of GPS for long-term tracking in WSN 无线传感器网络中GPS长期跟踪的自适应阈值触发
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492827
Llewyn Salt, B. Kusy, R. Jurdak
Long-term tracking is an expanding field with applications in logistics, ecology and wearable computing. The main challenge for longevity of tracking applications is the high energy consumption of GPS, which has been addressed by using low power sensors to trigger GPS activation upon detecting events of interest. While triggering can reduce power consumption, static thresholds can underperform in the longterm as context changes. This paper presents an auto-covariance based triggering algorithm that adapts trigger thresholds based on the incoming data and is effective with limited prior knowledge. We test the algorithm on empirical data from flying foxes and show that it outperforms static thresholding and existing adaptive algorithms from the literature.
随着物流、生态和可穿戴计算的应用,长期跟踪是一个不断扩大的领域。跟踪应用寿命的主要挑战是GPS的高能耗,这已经通过使用低功耗传感器在检测到感兴趣的事件时触发GPS激活来解决。虽然触发可以降低功耗,但随着上下文的变化,静态阈值的长期表现可能不佳。本文提出了一种基于自协方差的触发算法,该算法根据输入的数据自适应触发阈值,并且在有限的先验知识下有效。我们在飞狐的经验数据上测试了该算法,并表明它优于静态阈值和文献中现有的自适应算法。
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引用次数: 1
Automatic generation of GUI for smartphone IME by classifying user behavior patterns 通过对用户行为模式进行分类,为智能手机IME自动生成GUI
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492824
Sang-Muk Jo, Sung-Bae Cho
Various user's situation and small screen compared with computer keyboard influence the performance of the IME (Input Method Editor, a program that allows users to enter characters and symbols). According to the hand that a user is using, it has a significant effect on the IME input. In this paper, we propose a method based on decision tree to generate GUI automatically for the IME. We collect sensor data from Android smartphone and key data that user enters with IME. A comparison experiment with different input postures was conducted to show the feasibility of the proposed method.
与电脑键盘相比,不同的用户情况和较小的屏幕会影响IME(输入法编辑器,允许用户输入字符和符号的程序)的性能。根据用户使用的手,它对IME输入有很大的影响。本文提出了一种基于决策树的图形用户界面自动生成方法。我们收集来自Android智能手机的传感器数据和用户输入IME的关键数据。通过不同输入姿势的对比实验,验证了该方法的可行性。
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引用次数: 2
A study on fuzzy clustering-based k-anonymization for privacy preserving crowd movement analysis with face recognition 基于模糊聚类的k-匿名人脸识别人群运动分析研究
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492779
Katsuhiro Honda, Masahiro Omori, S. Ubukata, A. Notsu
k-anonymization is a basic technique for privacy preserving data analysis of personal information. This paper studies the applicability of a fuzzy clustering-based anonymization approach to crowd movement analysis, in which each individual movement is captured through face recognition in camera images. Before utilizing each face feature values, k-anonymization is performed by coding cluster elements, which are extracted by fuzzy k-member clustering. In an experimental study, the advantage and availability of fuzzy partitions are investigated through comparisons of reproduction qualities and anonymization costs with several fuzzy degree settings.
k-匿名化是一种保护个人信息隐私的基本技术。本文研究了一种基于模糊聚类的匿名化方法在人群运动分析中的适用性,该方法通过人脸识别捕捉相机图像中的每个个体运动。在利用每个人脸特征值之前,通过编码聚类元素进行k匿名化,并通过模糊k成员聚类提取聚类元素。在实验研究中,通过比较不同模糊度设置下的再现质量和匿名化成本,探讨了模糊分区的优势和可用性。
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引用次数: 8
Vertical collaborative clustering using generative topographic maps 使用生成地形图的垂直协同聚类
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492807
Jérémie Sublime, Nistor Grozavu, Younès Bennani, A. Cornuéjols
Collaborative clustering is a recent field of Machine Learning that shows similarities with both transfer learning and ensemble learning. It uses two-step approaches where different clustering algorithms first process data individually and then exchange their information and results with a goal of mutual improvement. In this article, we introduce a new collaborative learning approach based on collaborative clustering principles and applied to the Generative Topographic Mapping (GTM) algorithm. Our method consists in applying the GTM algorithm on different data sets where similar clusters can be found (same feature spaces and similar data distributions), and then to use a collaborative framework on the generated maps with the goal of transferring knowledge between them. The proposed approach has been validated on several data sets, and the experimental results have shown very promising performances.
协同聚类是机器学习的一个新领域,它与迁移学习和集成学习都有相似之处。它使用两步方法,其中不同的聚类算法首先单独处理数据,然后以相互改进为目标交换它们的信息和结果。本文介绍了一种基于协同聚类原理的新型协同学习方法,并将其应用于生成式地形映射(GTM)算法。我们的方法是在不同的数据集上应用GTM算法,其中可以找到相似的聚类(相同的特征空间和相似的数据分布),然后在生成的地图上使用协作框架,目标是在它们之间传递知识。该方法已在多个数据集上进行了验证,实验结果显示了非常理想的性能。
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引用次数: 10
Nitrogen estimation of paddy based on leaf reflectance using Artificial Neural Network 基于叶片反射率的人工神经网络水稻氮素估算
Pub Date : 2015-11-01 DOI: 10.1109/SOCPAR.2015.7492811
Whina Ayu Lestari, Y. Herdiyeni, L. Prasetyo, W. Hasbi, K. Arai, H. Okumura
Nitrogen (N) is one of nutrient required by plant in huge amounts. N availability of plant is needed to be estimated before applying fertilizers to determine proper N application rate. The purpose of this study is to estimate N of paddy (Oryza sativa, sp.) based on leaf reflectance using Artificial Neural Network (ANN). In this study, 45 leaf samples were randomly selected under various environmental condition. Leaf reflectance was measured by handheld spectroradiometer while actual leaf N content was determined by Kjeldahl method. Spectral reflectance data in visible band (400–700 nm wavelength region) and actual N content were used as input and target data in ANN model building. K-fold cross-validation (k=3) method was applied to select the best model and measure the overall performance of model. Results indicated that ANN model with 17 neurons of hidden layer in relatively could estimate N properly. It was shown by the lowest root mean square error (RMSE) of 0.23 and the highest prediction accuracy of 93%. This study promises to help farmers predicting N content of paddy for optimal N fertilizer application.
氮是植物需要量巨大的营养物质之一。施肥前需对植株的氮素有效性进行估算,以确定适宜的施氮量。本研究利用人工神经网络(ANN)技术,基于叶片反射率估算水稻氮素。本研究随机选取不同环境条件下的45个叶片样本。叶片反射率用手持式光谱辐射计测定,实际氮含量用凯氏定氮法测定。采用可见光波段(400 ~ 700 nm波长区域)的光谱反射率数据和实际N含量作为ANN模型构建的输入和目标数据。采用k -fold交叉验证(k=3)方法选择最佳模型并衡量模型的整体性能。结果表明,含有17个隐层神经元的神经网络模型可以较好地估计N。最小均方根误差(RMSE)为0.23,最高预测精度为93%。该研究有望帮助农民预测水稻的氮含量,以优化氮肥的施用。
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引用次数: 8
期刊
2015 7th International Conference of Soft Computing and Pattern Recognition (SoCPaR)
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