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KEIL5的注册机KEIL5的注册机KEIL5的注册机KEIL5的注册机KEIL5的注册机KEIL5的注册机KEIL5的注册机KEIL5的注册机 全版本使用

基于Gabor小波＋PCA＋LDA特征提取方法的人脸表情识别20机电技术2011年12月=∑cm=∑mc×(-0509-n)U=(a-n(2×3.1415926)×vm第四步:初始模型确定下来以后,采用则将该待识别人脸表情判别为第讠类表情Baum- Welch算法对参数进行重估计,迭代调整模3人脸表情实验及分析型参数以达最优化。这样就完成了训练建模工作,获得了在粗分本文在JAFF( (Japanese Female Facial Expre类层次下代表7种人脸表情的HMM模型sso)表情数据库中进行实验。 JAFFE人脸表情库1=(A,B,n)(=1,2,…7)。由10个人,共213幅图像组成,每人都包含愤怒、23HMM人脸表情分类厌恶、恐惧、高兴、悲伤、惊讶和中性7种表情,每人每种表情2~4幅,每种表情共有27幅。对待识别的人脸表情图像,按本节22中模型本文实验与 Micael等的测试方法相似,把数训练步骤的第一步获得观察向量O,然后计算观据库中的210张图像分成3个部分,每个部分包含察向量O与已训练好的HMM模型1=(A,B,)10个人,且每个人包含7幅不同表情图像,每次使的似然概率P(O|λ)(=12,…,7)。通过用其中的一个部分训练各个表情的HMM模型,剩Forward -Backward算法来计算似然概率,如果下的两个部分用来测试。循环操作3次,然后对这P(O|4),ie(12…,7在P(O|4)(=1,2…,7)3次取平均值,得出表情识别率。本方法获取的表中最大,即情识别率见表1P(Oa )=max p(oa)表1人脸表情识别结果愤怒厌恶恐惧高兴中性悲伤惊讶识别率/%愤怒91.67厌恶5400009000恐惧559167高兴00095.00中性549000悲伤9333惊讶5693.33整体识别率92.14从表1中可以看出,本方法可以获得较好的表高的问题,提出了一种新的人脸表情识别方法。情识别率,但是,从实验中也可发现,不管是有本方法通过更加有效的 Gabor小波+PCA+LDA表没有减少分类类别数,实验中始终存在误识别。情特征提取方法,然后结合HMM模型建立7个对从实验数据库中发现,库中某些人的7种表情变化应基本表情+中性表情的模型,进行识别分类,并并不明显,即使人眼也无法确定其表情类别,以且取得了92.14%的整体识别率。同时,在实验中致算法在识别时出现错误。发现,由于人脸实验数据库中某些人的7种表情变4结论化并不明显,即使人眼也无法确定其表情类别,以致算法在识别时出现错误。本文针对目前人脸表情的整体识别率普遍不(下转第35页)第6期林彩丽等:磁流变阻尼器减振系统的分数阶微分方程研究[2] DROZDOVAD Mechanicsofviscoelasticsolids[M]. New York: John Wiley &Sons Ltd, 1998: 21-65[]LAKESR S. Viscoelastic solids[M]. London: CRC Press, 1998: 63-110[4] Stanway R, Sproston, J L, Stevens N G Non-liner modeling of an electrorheological vibration damper. J. Electrostatics,1987,20.[5]周强,瞿伟廉磁流变阻尼器的两种力学模型和试验验证地震工程与工程振动2002240).[6] Gamoto D R, Filisko F E Dynamic mechanical studies of electrorheological materials: moderate frequencies. I. Rheology,1991,35(3)[7]汪建晓孟光.磁流变阻尼器用于振动控制的理论及实验研究门]振动与冲击,2001,20(2)[8] Wen Y K Method of random vibration of hysteretic systems[]. Joumal of Engineering Mechanics Division, ASCE,102(EM2),1976[9]Spencer Jr. B F, Dyke S J, Sain M K, Carlson, J D Phenomenological model of a magnetorheological damper. J Engrg. MechASCE1997,123[10薛定宇陈阳泉高等应用数学问题的 MATLAB解DM清华大学出版社,2010[l]周云谭平.磁流变阻尼控制理论与技术DM科学出版社200712]王振滨曹广义分数微积分的两种系统建模方法系统仿真学报,2004,64):810812(上接第20页)参考文献[1] ZHAO Quan-you, PAN Bao-chang, PAN Jian- jia, et al. Facial expression recognition based on fusion of Gabor and LBPfeatures[A]. In: Proceedings of the 2008 International Conference on Wavelet Analysis and Pattern Recognition[C], HongKong,IEEE,2008(8):362-367[2]Tang Fang-qi, Deng Ben-zai. Facial Expression Recognition using AAM and Local Facial Features [A]. In: Proceedings ofthe Third Intcmational Conference on Natural Computation[C], Haikou, China, IEEE, 2007(8): 632-635[3]陈培俊基于静态图像的人脸表情识别研究成都西南交通大学,2007[4] Lades M, Vorbruggen J C, Buhmann J. Distortion invariant object recognition in the dynamic linkarchitecture[].IEEE Transactions on Computers, IEEE, 1993, 42(3): 300-311[5]彭辉张长水荣钢等基于KL变换的人脸自动识别方法清华大学学报自然科学版,2007,37(6:6770[6]DudaR O, Hart P E, Stork DG Pattern Classification(second edition). New York: Wiley, 2001[7李云霞李治柱吴亚栋基于HMM的关键词识别系统门计算机工程200,30(7:130-132谨致作者敬请本刊作者允诺:稿件中没有侵犯他人著作权或其它权利的内容并且文责自负;投寄给本刊的稿件(论文、图表、照片等)自发表之日起,其专有出版权和网络传播权即授于本刊,并许可本刊在本刊网站或本刊授权的网站上传播及中国核心期刊(遵选)数据库、中国学术期刊综合评价数据库、中文科技期刊数据库、中国台湾华艺数据库全文收录。对上述合作若有异议者,烦请来稿时向本刊申明,未作中明者,本刊将视为同意,谢谢合作。并致诚挚敬意。《机电技术》编辑部基于 Gabor小波十PCA+LDA征提取方法的人脸表情识别旧数据文接作者:李烈熊,苏两河作者单位李烈熊(福硅船政交通职№学院,福廷福州,350007),苏河(福建电力职技术学院,福建泉州刊名:机电技术英文刊名:MECHANICAL AND ELECTRICAL TECHNOLOGY年,卷(期)201,34(6)参考文献(7条)1. ZHAO Quan-you; PAN Bao-chang PAN Jian-jia Facial expression recognition based on fusion of Gabor and LBPfeatures 20082. Tang Fang-qi; Deng Ben-zai Facial Expression Recognition using AAM and Local Facial Features 20073.陈培俊基丁静态图像的人脸表情识别研究20074. Lades M: Vorbmggen J C; Buhmann J Distortion invariant object recognition in the dynamic link architecture1993(03)5.彭辉;张长水;荣钢基于K-变换的人脸自动识别方法2007(6)6. Duda R 0: Hart P E Stork D G Pattern Classificat ion(second edition) 20017.李云霞;李治柱:吴亚栋基于HM的关键词识别系统[期刊论文]计算机工程2004(07本文链接http://d.g.wanfangdata.comcn/periodiCaljdjs201106005.aspx

FPGA实现信号延时的方法，这样能帮助FPGA设计工程师更好的设计FPGA

1：真正意义上的无边框自定义标题栏，支持最小化最大化关闭，支持标题栏双击实现，支持鼠标拖动，支持鼠标在边框处拖动改变窗体大小，网络上的绝大部分都是扯蛋，要么不支持鼠标改变界面大小，要么鼠标移到其它按钮界面瞬间移动等各种不理想状态。2：无任何资源文件，纯QSS实现精美标题栏及自定义按钮样式，可以稍作修改增加更多的样式，QSS真是太强大了！3：使用fontawesome-webfont.ttf字体文件实现最小化最大化关闭等按钮文字，图形文字，很好很强大！4：提供16种各类曲线啥线的绘制，只需点击一下按钮即可切换观看效果！5：主窗体界面与功能界面分离，注释两行代码即可。6：代码最精简，可免

一个小的均值漂移算法的MATLAB程序，供大家参考一下

MATGPR_R3 探地雷达数据分析、处理程序。基于MATLAB的雷达波探测处理分析，开源程序。

本人oracle10g开发的一个集学生基本信息、学生成绩、用户登陆管理的综合管理系统，附上源代码，非常适合数据库编程初学者

Rohde&Schwarz 频谱仪操作手册（英文） 1145.5850系列全英文，详细的操作方式，各类使用技巧R&S FSHContentsContentsSpecificationsSafety InstructionsCertificate of qualitEC-Certificate of conformitySupport Center AddressList of R&S RepresentativesPutting into OperationFront view1.1Putting into Operation1.2Unpacking the Instrument1.2Setting up the InstrumentSwitching on the Spectrum Analyzer1.4Spectrum Analyzer Connectors1.5Screen SettingsQCountry-Specific Settings1.10Setting the Date and TimeSetting the date.1.11Setting the time1.1Charging the Battery......1.12Selecting the Instrument Default Setup1.13External Reference /External Trigger Switchover1.14Controlling the rF Attenuator1.15Using a Preamplifier…1.15PIN Entr1.17Connecting Printers.1.19Setting the Baud rate for Remote Control1.21Enabling Options1.21Checking the Installed options1.221145.5973.12E-15ContentsR&S FSH2 Getting Started2.Measurements on cw signals2.1Level measurement2Setting the Reference Level量‘面2.2Frequency Measurements2.3Harmonic Measurements of a sinewave Signal面面2.4Power Measurements Using the Power Sensor2.5Power and return loss measurements with the r&s FsH-z14 or the r&s FSH-Z444427Two-Port Transmission measurements2.9Measurement of return loss2.11Performing Distance-To-Fault Measurements...2.14Operation in Receiver Mode2.20Measuring the carrier-to-Noise power ratio2.Determining the Reference2.26Sts…2.26Selecting the reference channel2.27Entering the channel bandwidth of the reference channel2.27Selecting the unit for the reference...2.27Manually entering the reference2.27Automatic level adjustment2.27Measuring the Noise Power and Calculating Carrier Power /Noise Power.........2.28Selecting the result display2.28Frequency setting of the noise channel..2.28Setting the noise channel measurement bandwidth2.29Setting the C/N channel bandwidth2.29Automatic level adjustment2.29Correcting the displayed average noise level2.30Hiding the result display2.30Saving and Recalling Settings and Test Results2.31Saving Measurement Results2.31Saving Calibration Data2.32Recalling measurement results2.33Printing Out Measurement Results……2.341145.5973.122E-15R&S FSHContents3 Operation3.Screen LayoutScreen layout for spectrum-mode measurements without markers3.1Screen layout when the marker mode is selected3.2Entering Measurement ParametersEntering values and texts3.3Entering units3.4Menu overview.3.5Frequency entryFrequency span...Level setting…3.5Bandwidth settingTrace setting3.6Measurement functions3.7Marke3.10Save and print menu3.12Instrument setup3.12Status display3.12Menus in the Receiver Mode(option R&S FSH-K3)3.13Menu for 3GPP BTS Code domain Power Measurement (Option R&S FSH-K4)3.16Menu for Vector Voltmeter(Option R&S FSH-K2)3.161145.5973.12E-15ContentsR&S FSH4 Instrument functions4Instrument Default Setup4.1Status Display..................4.1Setting the Frequency4.2Entering the center frequency..4.2Setting a frequency offset4.2Entering the center-frequency step size4.3Entering the start and stop frequency4.4Working with channel tablesSetting the Span1面4.6Setting the Amplitude Parameters4.7Setting the reference levelEntering the display range94.9Entering the display unit4.9Entering the reference offset4.10Entering the input impedance.…………4.10Setting the Bandwidths4.11Resolution bandwidth4.11Video bandwidth4.13Setting the Sweep4.14Sweep time.4.15Sweep mode.4.15Trigger4.16Trace Settings4.19Trace mode∴4.19Detector4.20Trace memory…4.22Trace mathematics4.23Using the Markers4.24Automatic marker positioning .......4.25Using more than one marker at a time(multimarker mode).........,4.27Marker functions4.30Measuring the noise power density4.30Measuring the frequency4.31Measuring the filter bandwidth or the signal bandwidth4.32aF demodulation4.331145.5973.12E-15R&S FSHContentsUsing the dis play line…….….….….….….….….….…..….….……….…..34Setting and Using the Measurement Functions4.35Measuring the channel power of continuously modulated signals………………4.35Selecting the standard4.36Setting the reference level4.38Setting the channel bandwidth4.38Changing the spaPower displaPower measurements on TDMA signals4.42Selecting a standard∴4.42Setting the measurement time4.44Optimizing the reference level ..4.44Power readout4.45Setting the trigger4.45Measuring the occupied bandwidth4.46Selecting a standard4.47Setting the reference level4.48Setting the channel bandwidth4.49Entering the power percent to determine the occupied bandwidth4.50Displaying thupied bandwidth4.50Changing the spai1145.5973.12E-15ContentsR&S FSHMeasuring the Carrier-to-Noise Ratio.......4.52Determining the reference4.53Setting the reference channel4.53Setting the reference channel bandwidth……4.53Setting the analyzer reference level for the reference channel measurement4.54Manual reference mode4.54Inserting the c/N referenceUnits of the c/n reference4.55StandardsUSER Standard4.56User-specific standards4.56Predefined user-specific standards4.59Predefined user-specific standard Digital TX4.59Predefined user-specific standard ANalog tv mode4.60Predefined user-specific standard ctx4.60Measuring the noise channel power and calculating the carrier power/noise power.4.62Frequency setting of the noise channel………4.63Setting the noise channel bandwidth4.64Setting the C/N ratio channel bandwidth4.64Setting the reference level during noise channel measurement.4.65Selecting the c/ N result display..…,…4.65C/N measurement result display4.66Changing the span4.66Correction of inherent noise power4.67Using the R&S FSH in receiver mode4.68Setting the frequencySetting the reference level,,,。.。4.71Setting the bandwidth4.72Setting the detector4.73Setting the measurement time4.73Measurement on multiple frequencies or channels(scan)4.74Measurements using the power sensor4.76Connecting the power sensor……4.76Zeroing the power sensor.4.78Selecting the unit for the power readout4.79Setting the averaging time.……4.80Taking additional loss or gain into account4.81Measuring forward and reflected power∴4.82Zeroing the power sensor4.84Setting the power measurement weighting4.85Selecting the unit for the power readout4.86Taking additional attenuation into account4.881145.5973.126E-15R&S FSHContentsTwo-port measurements with the tracking generator489Measuring the transmission of two-ports4.91Vector transmission measurement494Measuring the transmission magnitude........4.96Measuring the transmission phase4.96Measuring the electrical length when measuring transmission面B国4.99Measuring the group delay when measuring transmission4.100Transmission measurement using the connected VSWR Bridge R&S FSH-Z3.. 4.102Sppectrum measurements with the VsWR Bridge R&s FSH-Z3 or R&S FSH-Z2connectedSetting for detecting the R&S FSH-Z3 in the transm. and spectr. measurement .. 4.104Supplying DC voltage to active DUTs4.105Reflection measurements4.105Scalar measurement of reflection4.106Vector measurement of reflection4.108Measuring the reflection magnitude4.111Measuring the reflection phase.……4.111Measuring the electrical length when measuring reflection4.112Displaying the reflection in the Smith chart4.113Measuring the group delay when measuring reflection4.118Selecting the calibration standards4.120Spectrum measurements with the vswr Bridge r&s FSH-Z3 or R&S FSH-z2connected4.121Settings for detection of the R&SFSH-z2andR&SFSH-Z3………4.122One-Port measurement of cable loss4.123Vector voltmeter.4.124Reflection measurements(S11)4.125Measuring transmission coefficients(S21)4.128Cable measurements4.134Cable selection∴4.135Selecting the frequency range…4.138Calibrating the test setupa.::::::.“14.139Locating cable faults by means of the marker function4.142Measuring spectrum and reflection4.145Further information∴4.146Setting the span4.146Selecting the center frequency.........∴4.147Measurement4.148Length measurement accuracy4.148Using limit Lines∴4.149Measurements with limit lines国面面4.151Definition range of limit lines4.152Data sets containing limit lines...4.1521145.5973.127ContentsR&S FSHMeasuring with Transducer Factors.4.153Unit for measurements with transducers4.156Reference level settings for measurements with transducers4.156Frequency range of transducer………4.156Data sets containing transducer factors4.156Field-Strength Measurement with Isotropic Antenna∴4.157Connecting the antenna to the R&S FSH4.157Measurement of the resultant field strength in a transm. channel with large bandwidth .......4.159Code Domain Power Measurement on 3GPP FDD Signals.4.166Saving and Loading Instrument Settings and Measurement Results4.173Saving results4.174Entering a data set name4.175Loading measurement results.4.175Deleting saved data sets4.176Deleting all data sets4.177Printing out Measurement Results4.178Measurements4.179How a spectrum analyzer operates…4.1791145.5973.12E-15

生理信号中，能够自动的对心电图(Electrocardiograph, ECG)信号进行分析是当前信号处理领域中的研究热点和难点，能够自动的进行心电图信号的分析将会强有力的促进医疗事业的蓬勃发展，同时能够使国民的健康水平有大幅度的提高，对于现代信号处理技术在医疗领域中应用的将会产生重大的突破。对于心电信号的分析有很广泛的研究内容以及研究方法，其中能够快速准确的定位心电信号中 QRS 波群和 P、T 波,是心电图信号分析的一个关键环节，心电信号中往往拥有过多的信号干扰，去除信号的干扰是准确检测各种特征波的前提。截止到现在为止，当前对于心电信号的滤波方法研究以及对于特征波形的定位中还存在着许多的不

【实例简介】ARM+DSP+CPLD开发板，可以作为参考来学习···