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2010 IEEE International Conference on Intelligent Systems and Knowledge Engineering最新文献

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A statistical speech recognition of Ningbo dialect monosyllables 宁波话单音节语音的统计识别
Qinru Fan, Donghong Wang
So far, the focus of most research on speech recognition was on speech recognition of mandarin Chinese or English. Since the feature of the research is that the same word pronounces the same, influence on speech recognition of the research concerns primarily with environmental factors. Ningbo dialect is very different than mandarin Chinese and English, for Ningbo dialect possesses some regional variations in pronunciation and intonation even in the area of Ningbo, thus pronunciation changes, or intonation changes is a more important factor than other factors. Therefore, finding a modeling way to suit pronunciation changes, or intonation changes is a vital prerequisite for speech recognition of Ningbo dialect. This paper is designed to probe into the speech recognition of Ningbo dialect, focusing on Fenghua county, Cixi county, Yinzhou district, and central Ningbo. We study the modeling method of Ningbo dialect from the angle of pronunciation changes and intonation changes and running time of recognition. In the research, 64 speech samples of 10 digits (1–10) used in the above-mentioned four regions were created, by using Mel frequency cepstrum coefficient (MFCC) to achieve feature of each digital speech. Then depending on the variations of the pronunciation and intonation of the digits, we do a lot of experiments, 20 models of training samples of digits (1–10) are constructed. A simplified Bayes decision rule is used for classification of Ningbo dialect digits. Experiment data suggested that the rate of speech recognition surpassed 75%. The recognition rate is superior to that recognition rate (52.5%) of a general modeling method that modeling of training samples do not consider factor of regional variations in pronunciation and intonation. We have a rise in robustness of speech recognition of Ningbo dialect. The modeling and recognition method used in the paper is easy to handle and get promoted.
到目前为止,语音识别研究的重点大多集中在普通话或英语语音识别上。由于本研究的特点是同一个单词发音相同,因此影响本研究语音识别的主要因素是环境因素。宁波话与普通话和英语有很大的不同,因为即使在宁波地区,宁波话在语音和语调上也有一些区域性的差异,因此语音或语调的变化是一个比其他因素更重要的因素。因此,找到适合语音变化或语调变化的建模方法是宁波话语音识别的重要前提。本文以宁波市奉化县、慈溪县、鄞州区和宁波市中部为研究对象,对宁波方言语音识别进行研究。从语音变化、语调变化和识别运行时间的角度研究宁波方言的建模方法。本研究创建了上述四个区域中使用的64个10位数(1-10)的语音样本,利用Mel频率倒频谱系数(MFCC)来实现每个数字语音的特征。然后根据数字语音语调的变化,进行了大量的实验,构建了20个数字(1-10)的训练样本模型。采用简化的贝叶斯决策规则对宁波方言数字进行分类。实验数据表明,语音识别率超过75%。该方法的识别率优于不考虑语音语调区域差异因素的一般建模方法的识别率(52.5%)。宁波方言语音识别的鲁棒性有所提高。本文所采用的建模和识别方法易于操作和推广。
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引用次数: 2
Semi-supervised Transductive Discriminant Analysis 半监督转导判别分析
Yi Li, Xuesong Yin
When there is no sufficient labeled instances, supervised dimensionality reduction methods tend to perform poorly due to overfitting. In such cases, unlabeled instances are used to improve the performance. In this paper, we propose a dimensionality reduction method called semi-supervised TransductIve Discriminant Analysis (TIDA) which preserves the global and geometrical structure of the unlabeled instances in addition to separating labeled instances in different classes from each other. The proposed algorithm is efficient and has a closed form solution. Experiments on a broad range of data sets show that TIDA is superior to many relevant dimensionality reduction methods.
当没有足够的标记实例时,监督降维方法往往由于过度拟合而表现不佳。在这种情况下,使用未标记的实例来提高性能。在本文中,我们提出了一种称为半监督转导判别分析(TIDA)的降维方法,该方法除了将不同类别的标记实例相互分离外,还保留了未标记实例的全局和几何结构。该算法效率高,且具有封闭解。在广泛的数据集上进行的实验表明,TIDA算法优于许多相关的降维方法。
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引用次数: 3
A novel audio aggregation watermarking for copyright protection 一种用于版权保护的音频聚合水印
Rangding Wang, Yiqun Xiong
A novel algorithm of audio aggregation watermarking was proposed in this paper for copyright protection. The algorithm not only protects copyright of a single audio in audio aggregation but also protects copyright of the whole audio aggregation. The experimental results showed the watermark of aggregate audio can resist to some attacks, for example, deleting audio, substituting audio and adding audio; at the same time, watermark of every single audio is robust to some attacks such as low-filtering, resampling, requantization, noise addition and mp3 compression. The proposed algorithm has good imperceptibility and strong robustness.
提出了一种新的音频聚合水印算法,用于版权保护。该算法不仅保护音频聚合中单个音频的版权,而且保护整个音频聚合的版权。实验结果表明,聚合音频水印能够抵抗删除音频、替换音频和添加音频等攻击;同时,每个音频水印对低滤波、重采样、定量、加噪和mp3压缩等攻击都具有鲁棒性。该算法具有良好的隐蔽性和较强的鲁棒性。
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引用次数: 3
The method of the velocity compensation in dynamic weighing system 动态称重系统中速度补偿的方法
Dongyun Wang, Kai Wang
The automatic weighing system can automatically and immediately calculate and analyze the weight of material in bucket of a loader. To compensate affection caused by velocity of the left arm reasonably is very important for improve the accuracy of the system. The design of the hardware and the realization of experiment of dynamic weighing system will be discussed in this paper. First of all, a realization scheme is set up, and then designed a hardware platform to realize it. At last, by a large amount of experiments, the affection caused by velocity of the left arm is analyzed and the method of the velocity-compensation is discussed and applied in the system. Finally, the system is applied in the practice. The practical application results show that the accuracy, stability and reliability of the presenting system are desired and the error is with in 1%.
自动称重系统可以自动、即时地计算和分析装载机斗内物料的重量。合理补偿左臂运动速度对系统精度的影响对提高系统精度具有重要意义。本文讨论了动态称重系统的硬件设计和实验实现。首先,建立了一个实现方案,然后设计了一个硬件平台来实现。最后,通过大量的实验,分析了左臂速度对系统性能的影响,讨论了速度补偿的方法,并将其应用于系统中。最后,对该系统进行了实际应用。实际应用结果表明,该系统具有较好的精度、稳定性和可靠性,误差在1%以内。
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引用次数: 1
The Opinion Dynamics and Bounded Confidence model on Flocking movement world 蜂拥运动世界的意见动态与有界置信模型
Shusong Li, Shiyong Zhang
We present and analyze a model of Opinion Dynamics and Bounded Confidence on the Flocking movement world. There are two systems for interaction. The theorem of ‘Flocking’ limits the agent's movement around the world and ‘Bounded Confidence’ chooses the agents to exchange the opinion. Every time step, agent i looks for the agents in its eyeshot and adjusts their opinion based on the algorithm of Bounded Confidence. When the exchange ends, every agent moves itself in a specifically direction according to Flocking theorem. We simulated the opinion formation process using the proposed model, results show the system is more realistic than the classic BC model.
我们提出并分析了一个关于蜂拥运动世界的意见动态和有界置信度的模型。有两种交互系统。“Flocking”定理限制了agent在世界范围内的移动,“Bounded Confidence”选择了agent交换意见。在每一个时间步,智能体i寻找其视线范围内的智能体,并根据有界置信度算法调整它们的意见。当交易结束时,每个代理人根据群集定理向特定的方向移动。利用该模型对意见形成过程进行了仿真,结果表明,该模型比经典的BC模型更具现实性。
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引用次数: 5
The application of a top-down algorithm in neighboring class set mining 自顶向下算法在邻类集挖掘中的应用
G. Fang, Cheng-Sheng Tu, Jiang Xiong, Zi-Quan Wang
This paper focuses on character of present frequent neighboring class set mining algorithms which is suitable for mining short frequent neighboring class set, and introduces a top-down algorithm in frequent neighboring class set mining. This algorithm is suitable for mining long frequent neighboring class set in large spatial data according to top-down strategy, and it creates digital database of neighboring class set via neighboring class bit sequence. The algorithm generates candidate frequent neighboring class set via top-down search strategy, namely, it gains k-neighboring class set as candidate frequent items by computing k-subset of (k+1)-non frequent neighboring class set. The mining algorithm computes support of candidate frequent neighboring class set by digit logical operation. The algorithm improves mining efficiency through these two methods. The result of experiment indicates that the algorithm is faster and more efficient than present algorithms when mining long frequent neighboring class set in large spatial data.
本文重点分析了现有频繁邻近类集挖掘算法的特点,提出了一种自顶向下的频繁邻近类集挖掘算法。该算法采用自顶向下的策略,适用于挖掘大空间数据中的长频次邻近类集,并通过邻近类位序列建立邻近类集的数字数据库。该算法通过自顶向下搜索策略生成候选频繁邻近类集,即通过计算(k+1)个非频繁邻近类集的k个子集,获得k个邻近类集作为候选频繁项。挖掘算法通过数字逻辑运算计算候选频繁相邻类集的支持度。该算法通过这两种方法提高了挖掘效率。实验结果表明,该算法在挖掘大空间数据中的长频次邻近类集时,比现有算法更快、更高效。
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引用次数: 1
A divisive hierarchical k-means based algorithm for image segmentation 一种基于分裂层次k均值的图像分割算法
Martin H. Jose Antonio, J. Montero, J. Yáñez, D. Gómez
In this paper we present a divisive hierarchical method for the analysis and segmentation of visual images. The proposed method is based on the use of the k-means method embedded in a recursive algorithm to obtain a clustering at each node of the hierarchy. The recursive algorithm determines automatically at each node a good estimate of the parameter k (the number of clusters in the k-means algorithm) based on relevant statistics. We have made several experiments with different kinds of images obtaining encouraging results showing that the method can be used effectively not only for automatic image segmentation but also for image analysis and, even more, data mining.
在本文中,我们提出了一种用于视觉图像分析和分割的分裂分层方法。所提出的方法是基于使用嵌入在递归算法中的k-means方法在层次结构的每个节点上获得聚类。递归算法在每个节点上根据相关统计数据自动确定参数k (k-means算法中的簇数)的良好估计。我们对不同类型的图像进行了多次实验,得到了令人鼓舞的结果,表明该方法不仅可以有效地用于图像自动分割,还可以用于图像分析,甚至数据挖掘。
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引用次数: 10
Study on kernel-based Wilcoxon classifiers 基于核的Wilcoxon分类器研究
Hsu-Kun Wu, J. Hsieh, Yih-Lon Lin
Nonparametric Wilcoxon regressors, which generalize the rank-based Wilcoxon approach for linear parametric regression problems to nonparametric neural networks, were recently developed aiming at improving robustness against outliers in nonlinear regression problems. It is natural to investigate if the Wilcoxon approach can also be generalized to nonparametric classification problems. Motivated by support vector classifiers (SVCs), we propose in this paper a novel family of classifiers, called kernel-based Wilcoxon classifiers (KWCs), for nonlinear classification problems. KWC has the same functional form as that of SVC, but with a totally different objective function. Simple weight updating rules based on gradient projection will be provided. Simulation results show that performances of KWCs and SVCs are about the same.
非参数Wilcoxon回归器将基于秩的线性参数回归方法推广到非参数神经网络中,旨在提高非线性回归问题对异常值的鲁棒性。研究Wilcoxon方法是否也可以推广到非参数分类问题是很自然的。在支持向量分类器(SVCs)的激励下,我们提出了一种新的分类器,称为基于核的Wilcoxon分类器(KWCs),用于非线性分类问题。KWC与SVC具有相同的函数形式,但具有完全不同的目标函数。将提供基于梯度投影的简单权值更新规则。仿真结果表明,KWCs和SVCs的性能基本一致。
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引用次数: 1
Adaptive inference-based learning and rule generation algorithms in Fuzzy Neural Network for failure prediction 基于自适应推理学习和规则生成的模糊神经网络故障预测算法
Vahid Behbood, Jie Lu, Guangquan Zhang
Creating an applicable and precise failure prediction system is highly desirable for decision makers and regulators in the finance industry. This study develops a new Failure Prediction (FP) approach which effectively integrates a fuzzy logic-based adaptive inference system with the learning ability of a neural network to generate knowledge in the form of a fuzzy rule base. This FP approach uses a preprocessing phase to deal with the imbalanced data-sets problem and develops a new Fuzzy Neural Network (FNN) including an adaptive inference system in the learning algorithm along with its network structure and rule generation algorithm as a means to reduce prediction error in the FP approach.
对于金融行业的决策者和监管者来说,建立一个适用的、精确的故障预测系统是非常可取的。本文提出了一种新的故障预测方法,该方法有效地将基于模糊逻辑的自适应推理系统与神经网络的学习能力相结合,以模糊规则库的形式生成知识。该方法利用预处理阶段来处理数据集不平衡问题,并提出了一种新的模糊神经网络(FNN),该网络在学习算法中包含自适应推理系统及其网络结构和规则生成算法,以减少模糊神经网络方法的预测误差。
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引用次数: 14
Aftermarket demands forecasting with a Regression-Bayesian-BPNN model 基于回归-贝叶斯- bp神经网络模型的售后市场需求预测
Yun Chen, Ping Liu, Li Yu
The rapid development of automobile industry in China promotes the stable growth of the automotive aftermarket. For optimizing supply chain operations and reducing costs, it is critical for a company to forecast the demands for auto spare parts in the future. This paper proposes an improved Regression-Bayesian-BBNN (RBBPNN) based model to realize the demands forecasting. Compared with a classic ARMA model, the proposed RBBPNN model has higher accuracy and better robustness. These advantages are illustrated through the case study with the real sales data of a 4s shop in Shanghai.
中国汽车工业的快速发展促进了汽车后市场的稳定增长。为了优化供应链运作,降低成本,预测未来汽车零部件的需求是至关重要的。本文提出了一种改进的回归-贝叶斯- bbnn (RBBPNN)模型来实现需求预测。与经典的ARMA模型相比,RBBPNN模型具有更高的精度和更好的鲁棒性。通过对上海某4s店实际销售数据的案例分析,说明了这些优势。
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引用次数: 10
期刊
2010 IEEE International Conference on Intelligent Systems and Knowledge Engineering
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