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
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
lunkuotuxiangfenge
- 舌体轮廓的图像分割是计算机辅助舌诊系统进行图像分析的前提条件。提出了一种基于分水岭交换和主动轮廓模型相结合的自动轮廓分割算法。采用了分水岭变换的结果作为主动轮廓模型算法的初始曲线。在分水岭变换中,通过引入标记函数和强制最小值技术解决了传统分水岭变换可能导致的过分割问题,同时,在保证分割质量的基础上,通过降采样的方法来提高分割速度-Tongue contours for image segmentation is aided tongue diagnosis system, a prerequis
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。