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基于小波变换模极大的多尺度图像边缘检测matlab源代码,该算法采用的是样条小波,为了更好的检测边缘,用多孔算法代替了mallat算法。该算法和mallat快速算法主要区别:
1 多孔算法不需要抽取偶数样本,所以奇异检测定位更准确,相应的重构是不需要插零。2 多孔算法需要对滤波器进行伸缩。-based on wavelet transform modulus maxima of multiscale edge detection Matlab source code, The algori
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个人编写的关于积梳状滤波器的程序,用于抽取和插值时防止信号失真.-individuals prepared on the plot comb filter procedures for taking and the interpolation to prevent signal distortion.
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一个二阶中心插值滤波器(DDF2)的目标跟踪仿真实例。-a second center interpolation filter (DDF2) target tracking simulation example.
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2代小波示意程序
2维小波变换经典程序
Daubechies小波基的构造
采用多孔trous算法(undecimated wavelet transform)实现小波变换
平移变换平移法(cycle_spinning)消除gibbs效应
提升法97经典程序
消失矩作用的程序
小波插值与小波构造
小波滤波器构造和消噪程序
小波谱分析mallat算法经典程序,2 Generation Wavelet indicated procedures classic 2-D wavelet
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CIC滤波器的补偿,适用于抽取内插滤波器的设计,写昂对大家有用-CIC compensation filter, applied to extract the design of interpolation filters, write Aung useful for everyone
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插值滤波器,用于音频解码调制解调,滤波器系数用移位相加实现-Interpolation filter, audio decoder for modulation and demodulation, filter coefficient shift combined with the realization of
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利用matla设计的CIC内插滤波器,其中包含了其相应的补偿滤波器。-Matla designed using CIC interpolation filters, which contains the corresponding compensation filter.
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The LASIP routines for Color Filter Array Interpolation based on LPA-ICI:
- CFAI for noiseless data
- adaptation for noisy data
- CFAI for noisy data based on directional cross-color filters.-
The LASIP routines for Color Filter Array
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Decimation reduces the original sampling rate for a sequence to a lower rate, the opposite of interpolation. The decimation process filters the input data with a lowpass filter and then resamples the resulting smoothed signal at a lower rate.-Decimat
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图像的双线性插值放大算法中,目标图像中新创造的象素值,是由源图像位
置在它附近的2*2 区域4 个邻近象素的值通过加权平均计算得出的。 双线性内插
值算法放大后的图像质量较高,不会出现像素值不连续的的情况。然而次算法具
有低通滤波器的性质,使高频分量受损,所以可能会使图像轮廓在一定程度上变
得模糊。 -Bilinear interpolation algorithm to enlarge the image, the target image in the newly creat
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OFDM检测的仿真,通过计算OFDM的归一化4阶累积量,实现OFDM信号的判决,内含升余弦滚降滤波或内插滤波的频谱图-OFDM simulation test, by calculating the normalized OFDM 4th order cumulant, to achieve decision OFDM signal, containing Raised Cosine filter or interpolation filter of the spectrum
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the noise deteriorates the
interpolation performance in digital images, it is effective to
employ denoising prior to the interpolation. In this paper, we
propose a novel interpolation framework in which denoising
and image sharpening methods
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用内插法写的FIR高通滤波器,是基于MATLAB2010写的-Written by interpolation FIR high-pass filter, is written based on MATLAB2010
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本程序实现不用对数据进行2抽取和2插值的快速小波分解,只需对滤波器进行2插值即 可,所以不要求数据的长度为2的幂次方,共分解了3次,然后进行了重构-This procedure achieved without the data extraction and 2 Fast 2 interpolation wavelet decomposition, only 2 of the interpolation filter that can be, so the data length does
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代码用两种方法设计了一个基于多相滤波的内插器,低通滤波器采用128阶凯撒窗,内插倍数32,并且给定信号范围,验证了内插器的正确性,画出了内插前后信号的频谱。-The code design the interpolator based on polyphase filter using two methods.The low pass filter is 128 order Caesar window and interpolation multiple is 32.I give the ran
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给出了基于频率采样、最小二乘、内插法、最优化法、升余弦法等设计的FIR和IIR滤波器范例-Based on the frequency of sampling, least squares, interpolation, optimization method, raised cosine law design FIR and IIR filter example
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拉格朗日法实现多采样率的小数时延的实现,插值增加采样率,增加小数时延后,再以相同的速率抽取使其还原成原始采样率 -Lagrange method to realize the sampling rate of the realization of the fractional delay, interpolation increase the sampling rate, increase the decimal time delay, and at the same rate of extra
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MATLAB CIC插值滤波器的设计方案,比较了不同插值和绘制图形插值-MATLAB CIC interpolation filter design program, compared different interpolation and draw graphics interpolated
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interpolation filter
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首先,生成一个多音正弦,然后进行补零的插值,然后把补零插值的信号塞到一个低通滤波器里面,这样就有三个版本的信号,原始信号,补零插值信号,以及插值滤波之后的信号。(First, generate a polyphonic sine, and then make zero interpolation, and then fill the zero interpolation signal into a low-pass filter inside, so there are three versio
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