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[Program doc差值与下采样

Description:

针对常用的图像下采样方法无法满足不同应用需要的问题,提出下采样和插值在实现技术上具有同一性的特点,下采样可以采用插值的大量先进技术。将下采样与插值均看作是对邻域未知像素的预测,建立了统一的像素预测模型。实验结果验证了该同一性的思想,并表明与常用的下采样方法相比,在具有保持特征、保护边缘、维持平滑等特性的基础上,能够使下采样后的图像保持更多的信息,从而为下采样在不同应用中的实现提供了更多可选择的方法。


Platform: | Size: 174216 | Author: gumuxiangyang | Hits:

[Windows Developdownsample

Description: dct域内视频的下采样源程序,分辨率从1080×1920下采为480*640-the original program file of video sub-sampling in DCT domain,the precision is 480*640 under 1080x1920
Platform: | Size: 1434624 | Author: 刘语 | Hits:

[DSP programad采样再fft

Description: 在ccs环境下的c语言编程主要实现ad采样在对其进行FFT变换-Language programming mainly realizes the ad sampling in ccs under the environment c in carries on FFT to it transforms
Platform: | Size: 50176 | Author: 安德森 | Hits:

[Special EffectsImage_src

Description: 图像处理源代码,实现了读取PGM图像,写PGM图像,对图像进行下采样得到一半大小图像的功能。testImage.cpp中包含main函数。-image processing source code, achieving PGM images read, write PGM image, the image sampling to be conducted under half the size of the image function. TestImage.cpp contains main function.
Platform: | Size: 1024 | Author: 万崇玮 | Hits:

[Special Effects4CIF2QCIF

Description: 一个图像下采样程序将4CIF图像转为CIF图像,可以学习CIF格式-images under a sampling procedures are applicable to images CIF images, we can learn from CIF format
Platform: | Size: 245760 | Author: 江河流 | Hits:

[matlabofdm_1024

Description: OFDM系统仿真,采用1024子载波,内含卷积编码,交织,QPSK调制,上、下采样滤波,信道估计等-OFDM system simulation, using 1024 subcarriers, including convolutional coding, interleaving, QPSK modulation, the upper and lower sampling filtering, channel estimation, etc.
Platform: | Size: 17408 | Author: chuzhaocai | Hits:

[Special Effectsbasicprocessing

Description: 图像位平面分割,高斯金字塔生成与复原,图像4因子下采样等基本操作,有详细的代码注释。-Image bit-plane partition, Gaussian pyramid generation and recovery, image down-sampling factor 4 basic operations, the code has detailed notes.
Platform: | Size: 2048 | Author: zhiminn_wang | Hits:

[Special Effectscode

Description: 无下采样的contourlet变换阈值去噪; 无下采样的contourlet变换matlab7.0工具箱-No down-sampling of Contourlet Transform Thresholding Denoising without down-sampling the transform Contourlet matlab7.0 Toolbox
Platform: | Size: 97280 | Author: anyanping | Hits:

[Special Effectsdownfr

Description: 实现下2采样功能,下采样是小波分析和图像、视频处理中常用的方法-The realization of the next 2 sampling functions, under the sampling is wavelet analysis and image, video processing in commonly used method
Platform: | Size: 6144 | Author: 郑丹 | Hits:

[Special Effectslunkuobianhuan

Description: 一种非常新颖的多角度多尺度变换,轮廓变换的 改进,非下采样轮廓变换,可用于图像处理的多个方面-A very innovative multi-angle multi-scale transformation, transformation to improve the profile, non-down-sampling profile transform, image processing can be used in many areas of
Platform: | Size: 97280 | Author: 韩宁 | Hits:

[Otherzong

Description: 对语音信号进行上采样,下采样,延迟还有回声,在matlab中实现-Voice signals to the sampling, under sampling, the delay still echo in matlab to achieve
Platform: | Size: 12288 | Author: zhangsan | Hits:

[Communication-Mobilecode

Description: 用Matlab进行BPSK系统发送、接收端的仿真,含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率,并绘制BER曲线-Matlab simulation of BPSK receiving system,including AWGN channel, match filter, down sample,demodulation and BER calculation
Platform: | Size: 9216 | Author: miffymiffy | Hits:

[matlabBPSK

Description: 上采样和下采样的matlab程序,以函数形式给出,有三种模式。-upsampling,downsampling,matlab,three mode
Platform: | Size: 1024 | Author: 顾君昳 | Hits:

[Audio programsoundchange

Description: 对原始语音进行上采样和下采样,分析对比他们的时域图和频谱图。最后对比原始语音、75HZ激励、150HZ激励以及噪声激励下的效果-SOME SIMPLE MANIPULATIONS OF SOUND USING DIGITAL SIGNAL PROCESSING The original sound and its spectrogram Downsampling the waveform downsampling Upsampling the waveform Linear filtering the waveform Original speech The source-filter model of speech Speech with 75-Hz excitation Speech with 150-Hz excitation Speech with noise excitation
Platform: | Size: 50176 | Author: coco | Hits:

[CommunicationUpsampling_and_Downsampling

Description: 采样率转换程序,程序主体分为上采样与下采样-Sample rate conversion process, the program is divided into the main sampling and down-sampling
Platform: | Size: 1024 | Author: Jack Bauer | Hits:

[matlabnsct_toolbox

Description: 对图像进行非下采样小波变换,得到一个低频子带和若干个高频子带。-Under the image of non-sampling wavelet transform, to get a low-frequency sub-band and a number of high-frequency sub-band.
Platform: | Size: 97280 | Author: 王春鹏 | Hits:

[matlabOFDM-qpsk

Description: OFDM,QPSK调制下仿真程序,包括信道编解码,调制解调,上下采样-OFDM, QPSK modulation simulation program, including channel coding and decoding, modulation and demodulation, the upper and lower sampling
Platform: | Size: 9216 | Author: 宝宝 | Hits:

[Waveletwavelet_1D

Description: 二进小波 分解,可以调节变化层数,可以自己编写下采样函数-Dyadic wavelet decomposition, changes in number of layers can be adjusted, you can write your own down-sampling function
Platform: | Size: 1024 | Author: zhaozhong | Hits:

[Special EffectsbFilter

Description: 经过改进的快速的双边滤波器算法,主要是先下采样,然后进行滤波,最后再进行上采样-Improved bilateral rapid filter algorithm is the first major down-sampling, and then filtered, and finally to the sampling
Platform: | Size: 2048 | Author: 赵齐昆 | Hits:

[Graph program非下采样轮廓波变换,NSCT变换,主要用于图像去噪

Description: 非下采样轮廓波变换,NSCT变换,主要用于图像去噪(Non - down sampling contourlet transform and NSCT transform are mainly used for image denoising.)
Platform: | Size: 97280 | Author: wo0121 | Hits:
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