搜索资源列表
DCTJPEG
- 使用Matlab编程实现发送端信源编码（图像压缩）和接收端信源解码（图像重建），其中的编解码算法可采用基于DCT变换的JPEG图像压缩标准；测试图像加噪，然后对去噪后的图像进行压缩与重建，分析压缩性能；研究基于下采样和内插的图像压缩算法；可将8bit/pixel灰度图像扩展至24bit/pixel彩色图像，或者采用无损压缩算法对图像压缩。-Sender using the Matlab programming source coding (image compression) and the r
DownUpSampling_ByFactor2
- 该代码实现了以2为因子的图像升采样和降采样功能。-The code implements a 2-liter for the factors sampling and down-sampling the image function.
363305686contourlet_toolbox
- 该程序是方向滤波器工具包，其中有很多现成的滤波器，及上下采样程序。可直接调用。-The program is the direction filter kit, there are many ready-made filter, and down sampling procedure. Can be called directly.
Updownsampling
- this is a matlap program for doing upsampling and down sampling for images and video by using (4:2:2) and (4:2:0)technique this is implemented by (mohamed dahi alkholy)(mohamed_dahi_alkholy@yahoo.com)-this is a matlap program for doing upsampling and
digital-signal-processing
- 这是一本关于数字信号处理方面的好书，讲解很详细，思路清晰，特别是里面的降采样讲解很到位-This is a digital signal processing on the books, to explain in great detail, clear thinking, in particular, which are in place to explain the down-sampling
down_sampling
- 利用matlab软件对.wav音频文件进行降采样的m文件-Down sampling .wav audio file
wavelet-analysis-for-imaging-
- 利用小波分析对图像进行二级分解和重构的Matlab代码，带有中文注释，包括哈尔小波、上/下采样子函数-Using wavelet analysis to the image of the secondary decomposition and reconstruction of the Matlab code, with Chinese translations, including the Haar wavelet, up/down sampling Functions
HARRwavelet
- HARR小波分解与重构，包括高低通滤波上下采样延拓及文件输出-HARR wavelet decomposition and reconstruction, including high and low pass filtering up and down sampling extension and file output
matlab1
- programm for DOWN SAMPLING IN TIME
up-and-down-samplling
- UP SAMPLING AND DOWN SMAPLING- DSP
DSS1_hsn_with_carrier
- In this code, an spread spectrum communication system is simulated and analysed in time and frequency. First the length of data and PN code is set and then the modulation according to BPSK is done. After that by a cosine carrier the signal is trans
rwavedetection
- 心电信号R波检测的函数，包括降采样，滤波，希尔伯特包络提取三个预处理步骤。其中R波根据阈值检测，相对不应期要根据具体信号适当调整.-ECG R-wave detection functions, including down-sampling , filtering, Hilbert envelope extracted three pretreatment steps. Wherein R wave detection based on a threshold , the relative r
up_down_sample
- 选择输入信号的参数，以及抽样因子，以及采样参数，对信号分别进行上抽样和下抽样，方便非均匀采样的进行。-Select the input signal parameters, and sampling factors, as well as sampling parameters, respectively, on the signal sampling and down sampling, to facilitate the conduct of non-uniform sampling.
Demo_Undersampling_FourierDomain
- 采用傅里叶降采样方法恢复MRI图像，压缩感知稀疏重构在核磁共振成像中的运用-Using Fourier down sampling method of MRI image restoration, the use of compressed sensing sparse reconstruction in magnetic resonance imaging.
up-down-half-sampling
- A matlab code for digital signal processing up down half sampling.
stft
- 利用时频分析的方法分析一段语音信号的时频特征，并进行降采样等处理，可直接运行-When the time-frequency analysis method to analyze the frequency of use of a voice signal characteristics, and down-sampling and other treatment, can be directly run
cic_design
- 采用CIC（级联积分梳状）滤波器实现降采样的功能，并分析了级联级数、差分延时数对CIC滤波器幅频响应的影响；采用Verilog语言实现了CIC滤波及降采样的功能；-Using CIC (Cascaded Integrator Comb) filter down-sampling function, and analyzes cascaded stages, affecting the number of differential delay CIC filter amplitude-freque
Signal-recognition
- 函数可以作出时域波形图和频域频谱图，并且计算基因频率自动判断音频文件是男声还是女声声音。ds函数输入变量是文件名和降采样的间隔，通过插值的办法保证了原信号的长度，可以画出时域及频域图像，并且判断男女声，最后播放降采样之后的声音-The function can make time-domain waveform and frequency spectrum, and calculate the gene frequency automatically determine the audio fi
CNN Matlab代码
- 利用大量图像数据对卷积神经网络算法进行训练，通过卷积、池化、下采样以及全连接层训练后的卷积神经网络在图像识别精度越来越高。(By using a large number of image data to train the convolutional neural network algorithm, the accuracy of the image recognition is higher and higher by convolution, pooling, down sampling
yan fri
- 有限新息率 降采样 有注释 对于理解有限新息率很有帮助(Notes on the limited rate of new down sampling are very helpful in understanding the limited rate of innovation)