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digital-image-of-wavelet-de-noising
- 本科毕业设计，包括matlab程序，数字图像的小波去噪-The digital image based on wavelet de-noising and simulation
sobel
- 针对不同的算子进行边缘检测，得到不同的效果图，针对sobel算子进行梯度去噪。-Edge detection for different operators, different renderings, Sobel operator gradient de-noising.
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- 针对非线性非平稳信号的去噪问题，提出一种基于主成分分析（ＰＣＡ）的经验模态分解（ＥＭＤ）消噪方法．该方法根据ＥＭＤ的分解特性，利用ＰＣＡ对噪声信号经ＥＭＤ分解后的内蕴模态函数（ＩＭＦ）进行去噪处理-For nonlinear and non-stationary signal de-noising is proposed based on principal component analysis (PCA) of the empirical mode decomposition (EMD) de
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- 滚动轴承振动信号容易受 到随机噪声 的污染, 如 何去噪 成为滚动轴承故障诊断的关键问题之一。而传统的消噪方法可能会将信号中一些能量小的有用信号当作噪声消除, 本 文即提出 一种改进 的小波消噪方法-Rolling bearing vibration signals are easily influenced by the random noise pollution, such as any denoising become one of the key problems of rolling
SignalProcPCA
- Principal Component Analysis (PCA) is the general name for a technique which uses sophisticated underlying mathematical principles to transforms a number of possibly correlated variables into a smaller number of variables called principal compone
SVD
- 使用奇异值分解对图像进行去噪处理的一篇英文期刊文章。-Using singular value decomposition for image de-noising processing an English journal article.
dual-tree
- 首先将非平稳的故障振动信号进行双树复小波包分解，得 到不同频带的分量；然后对每个分量求其峭度值和相关系数并进行比较；最后选取峭度值和相关系数较大的分量 进行软阈值降噪和双树复小波包重构，即可有效地消除振动信号中噪声的干扰，同时保留信号中的有效信息即实 现了故障特征信息的提取。-In view of the above situation, a new fault diagnosis method is proposed based on dual-tree complex wa
wavelet-denoising.pdf
- Image De-noising with a New Threshold Value Using Wavelets
methodology
- 3. Setting of a suitable threshold value.Then apply wavelet de-noising and compression on wavelet coefficients and thresohlding using global positive threshold value. So that a compressed image can be transmitted in an efficient manner.
hqam
- new Setting of a suitable threshold value.Then apply wavelet de-noising and compression on wavelet coefficients and thresohlding using global positive threshold value. So that a compressed image can be transmitted in an efficient manner.
MATLAB
- MATLAB中实现了信号的阈值去噪，主要包括阈值去噪和阈值获取两方面。-MATLAB to achieve a threshold value of the signal de-noising, including thresholding and get two thresholds.