搜索资源列表
DownSampling
- 视频文件降采样源码，可以使原有大小的视频文件减少一倍的分辨率-Video File drop sampling source, the original size of the video files to reduce the doubled resolution
16to8K-Downsample
- 本程序将指定的16K采样的语音数据文件转换为经G.723编解码后的8K语音数据。降采样前先使用180阶的FIR滤波器对语音数据进行频率压缩，然后进行抽取，并对抽取的数据进行G.723编解码。该程序在非特定语音识别的库文件处理中使用，也可扩展至其他用途。-this procedure will be designated the 16K sampling voice data files converted to G.723 codecs by the 8K words Music data. S
LPCC-MFCC-VAD
- 本程序包含语音压缩和语音识别领域所需的LPCC，MFCC特征提取算法以及语音端点检测源码。在对语音数据进行特征提取前，可对语音数据进行16K到8K的降采样率处理，包含180阶FIR滤波器的频率压缩程序。-this program includes voice compression and voice recognition requirements in the area of the LPCC Features. MFCC feature extraction algorithm and v
TC_PLOT
- 本程序包含语音压缩和语音识别领域所需的LPCC，MFCC特征提取算法以及语音端点检测源码。在对语音数据进行特征提取前，可对语音数据进行16K到8K的降采样率处理，包含180阶FIR滤波器的频率压缩程序
decimation
- 音频信号降采样程序 支持48k->8k 24k->8k 8k->1k 的降采样.实现方法,先做低通滤波,再做采样点抽取.低通滤波起使用67点FIR,系数由matlab使用窗函数法生成
Loeffler_dct.rar
- JPEG dct快速算法，实现8X8到4X4，以及8X8到2X2等DCT变换，快速实现降采样。,JPEG dct fast algorithm 8X8 to 4X4, and 8X8 to 2X2, such as DCT transform, rapid down-sampling.
nsct_toolbox
- NSCT工具箱，研究非降采样contourlet变换的工具-NSCT toolbox to study the transformation of nonsubsampling contourlet
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.
filter-deniose
- matlab下实现降噪，功率谱计算。％程序中设定采样点数为256个，采样频率为10000hz， ％输入信号为随机噪声和两个正弦的合成信号 ％设定的滤波器的截止频率为3500hz ％通过挈比雪肤滤波器，运行程序，比较滤波前后的频域波形 ％滤波去除了高频信号-matlab achieve noise reduction, power spectrum calculation. Sampling procedure set for 256 points, the sampling f
imagepyramids
- 图像金字塔，得到降采样后的图像和残差图像-image pyramids,generating image pyramids and predicton residual
interpolation
- 当实行降采样后，某些图像点的数据会丢失。该算法可以通过一些插值算法得到所需的数据。-While interpolation functions are available builtin in MATLAB, it require data in specified griddata format. Consider sampling data from an experiment and you are missing some points and you don t want to rep
jiangcaiyang
- 对图像进行降采样处理，将原图像变为五分之一大小。-The image down-sampling processing, the size of the original image into a fifth.
low-pass-mask
- 方法引入低通掩膜算子在空域对降采样前的图像做滤波预处理,抑制欠采样噪声.系统...频谱混叠.实验证明,此算法基本能达到预滤波插值算法的处理效果.-Method of introduction of a low-pass mask operator in the airspace of the down-sampling the image before filtering to do pre-processing, noise suppression due to sampling. The s
convert8k
- 降采样程序，从16k16bit数据 降采样到8k16bit-resample program，it resample the 16k16bit pcm to 8k16bit pcm
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
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)
Downsimple
- 对降采样原理的验证程序，验证降采样后的原频信号的频率变化(To verify the principle of the descending sampling principle, the frequency change of the original frequency signal after the sampling is verified .)
自动化图像降采样
- 基于C++的OpenCV图像库实现的自动化图像降采样，一共7个等级。可自行修改源码，完成任意图像的降采样。
downsample
- 关于降采样和升采样的代码展示，可以在MATLAB中运行调试，能够给出结果(The code display of down sampling and up sampling can be run and debugged in MATLAB)
信号无失真降采样
- 对任意输入信号进行无失真降采样，可以降采样因子可以自行设置，非常方便。