搜索资源列表
取颜色
- 一个用鼠标拾取屏幕颜色的程序,在鼠标移动的过程中取得屏幕的颜色,并记录移动点的坐标等-A program for get screen color with mouse.Get the screen color as the mouse moving and remember the coordinate which the mouse pass by.
1D gabor Filter
- Descr iption: Recent studies on Mathematical modeling of visual cortical cells [Kulikowski/Marcelja/Bishop:1982] suggest a tuned band pass filter bank structure. These filters are found to have Gaussian transfer functions in the frequency domain. Thu
Gesture
- 自己用opencv写的手势识别的软件。界面简单点,用动态前景分割肤色模型和直方图反演分割手部区域,然后用模式识别方法搞定识别问题。绝对原创,以后可能再也不搞这方面了,传上来跟大家分享-Own use opencv gesture recognition software to write. Interface simply, skin color model with dynamic foreground segmentation and histogram segmentation of ha
chs-zdwc-fir-gbs
- 包括用窗函数法和最大误差最小化准则设计的FIR低通数字滤波器,并分析加矩形窗时的吉布斯现象(matlab程序)。从仿真结果可看出:采用最大误差最小化准则能得到阶数更低,阻带波纹特性更好的FIR低通滤波器,因此其效果更优。-Including the use of window function method and the maximum error criterion designed to minimize the FIR low-pass digital filter, and analy
Interpolation
- 利用低通滤波器对图像进行插值放大:按放大的倍数对原图像进行插零,插零后的图片与低通滤波函数进行卷积,原先插入的零的位置自动替换为适当的插值,如此图像就已经插值放大了,图像质量还不错。-Double the number of pixels of each row and column by adding a zero value pixel between each pixel of the image.Then operate with two kinds of low-pass filter
gujiatiqu
- 对纤维类图像进行前期处理,效果较好,包括高通滤波,平滑中值滤波,全局阈值分割,二值化,反相,最后求取骨架-Image of the fiber pre-processing, better, including high-pass filter, smoothing filter, global thresholding, binarization, RP to get the final frame
GLPF-GHPF
- 在傅立叶变换域,变换系数反映了图像的某些特征。频谱的直流低频分量对应于图像的平滑区域,而外界叠加噪声对应于频谱中频率较高的部分等。 构造一个低通滤波器,使低频分量顺利通过而有效地阻止高频分量,即可滤除频域中高频部分的噪声,再经逆变换就可以得到平滑图像。-In the Fourier transform domain, the transform coefficients reflect some characteristics of the image. DC low frequency
filter
- 图像滤波,采用理想低、高通,巴特沃斯低、高通,高斯低、高通滤波器处理图像。-Image filtering, Butterworth high-pass filter using the image sharpening, get the details of the image.
4
- 布布特渥斯低通滤波器利用叶变换,得到图像的频域信号,进行滤波处理,将结果返回空域。-布布特渥斯 low-pass filter using Fourier transform, to get the image frequency domain filtering process, the results returned airspace.
noise
- 1. 用 butterworth和理想低通滤波器对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比). 2. 用 3x3邻域平均平滑和3x3中值滤波对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比). 3. 用 roberts算子和Laplace算子对一图像进行锐化处理, 得到其边缘二值图像.-Salt and pepper noise and Gaussian noise images with butterworth
quchujidianganrao
- 使用低通滤波器对心电波形进行滤波,去除肌电干扰,并设计图形界面-Using low pass filter, get rid of the myoelectricity interference of ecg waveform, and the graphical interface design
sheji
- 先对语音信号进行采集、播放,分析其频谱,对该信号源添加噪声,再播放音频并分析频谱,然后分别通过IIR低通、带通滤波器和FIR低通、带通滤波器,分别播放音频和得到滤波后的频谱。-Firstly, voice signal acquisition, play, analyze its spectrum to add noise to the signal source, and then play the audio spectrum analysis, and then were by IIR l
delaunay-algorithm
- 高质量的笛氏三角网格化,为重建三维图形提供有力的帮助. 附件有原码和调用方法,Delaunay三角网格化已封装成一个类,用户只需要传入点坐标标就可以得到最优的三角形。-High-quality flute s triangle grid, three-dimensional graphics for the reconstruction to provide effective help. Attachment with the original code and call the method
tongtai
- 同态滤波处理,可以通过修改高低通滤波器大小值来得到不同的滤波效果-Homomorphic filter processing, can change the high and low pass filter size values to get a different filtering effect
Tugas-3-High-Pass--Low-Pass-Filter
- This code is to get high pass filter and low pass filter
band-pass-filter
- halcon带通滤波器,求出图片中的线,再利用skeleton得到图片中的region-Halcon bandpass filter, calculate the line images, using the skeleton get pictures in the region
滤波器
- 运用巴特我死低通高通滤波器对图像进行滤波处理,得到清晰的图像(Using Butt I die low-pass high-pass filter to filter the image, get a clear image)
Matlab 梳状滤波器程序
- 心电图(ECG)是临床上诊断心血管疾病的重要方法。 数字滤波作为数字信号处理技术的重要组成部分,广泛应用于诸如信号分离、恢复、整形等多种场合中。为了使信号不失真及在可编程逻辑器件中容易实现,采用具有严格线性相位特性的FIR滤波器进行低通滤波(0-150Hz),用整系数梳状滤波器来去工频干扰及基线漂移,从而达到对心电信号进行预处理的目的。(Electrocardiogram (ECG) is an important method for clinical diagnosis of cardio