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db-wavelet
- Matlab环境下利用Daubechies小波族中的db10小波对散斑退化图像进行了压缩数值仿真研究。研究表明：阈值以及分解层次的选取影响着图像压缩的质量。-Matlab environment using Daubechies wavelet tribal db10 wavelet the withdrawal of speckle image compression for the numerical simulation. Research shows : the threshold le
提升法实现第二代小波变换
- 提升方法实现小波变换，大大提高了小波变换的速度，并且不会降低图像恢复质量，很有价值的算法实现-upgrade method wavelet transform and greatly enhance the speed of wavelet transform, and will not reduce the image restoration quality, great value Algorithm
AnImageEncodingArithmeticBasedOnEmbeddedZerotreeWa
- 利用本文算法有效克服了传统余弦变换编码在 高压缩比时产生方块效应, 而且相同压缩比下, 图像 复质量明显优于Shapiro 提出的EZW算法。本文算法 对EZW有了一定的改进, 具有一定的优势。-In this paper, the effective use of algorithms to overcome the traditional cosine transform coding in high compression ratio when blocking, and un
SinWmk
- 余弦波是渐变的，当ωt+φ的取值变化量很小时，Y的变化量也是很微小的。余弦波的这一特性保证了嵌入水印后相邻字符灰度值差别不大，人眼无法识别，从而保证了水印的不可见性和图像质量。-Cosine wave is gradual, and when ωt+ φ values variation is very small, Y amount of change is very small. Cosine waves This feature ensures that watermarked gray
quzao2
- 图像去噪，小波去噪，通过滤掉低频率噪声，来获得较高质量的图像-Image denoising
watermark
- 变换域的数字图像水印技术及图像质量评价研究-Study of digital image watermarking in frequency domain and image quality evaluation
WaveletTransform
- 本文提出一种基于方向提升小波变换的多描述图像编码方法,以避免压缩图像在互联网和无线网络环境下因数据包传输出错或丢失而导致的图像质量严重下降。-In this paper, the direction of lifting wavelet transform based multiple descr iption image coding method, in order to avoid compression of images on the Internet and wireless net
NonlinearEnhancement
- 非线性小波变换图像增强， 滤波器对图像作增强提高视觉质量-Nonlinear wavelet image enhancement, image filters to improve visual quality for enhanced
Wavelets
- 小波分解在图像处理和电能质量分析中应用广泛，本文应用小波分解的方法将高频的暂态信号提取出来，获取暂态信号的特征量，就能够有效地计算暂态信号。-Wavelet decomposition in image processing and power quality analysis is widely used, this application of wavelet decomposition method to extract high-frequency transient signals,
te
- 图像质量检测 其中有测试样例 小波变换 包含gui图形显示-Image quality testing including test sample wavelet transform
wzoomin_files_2
- 基于小波方的形象enlargemant（放大）。 由用人idwt2（）MATLAB函数进行放大，小波 wname 确定的家庭。 最终放大图像output_image 的大小和质量取决于-Wavelet based square image enlargemant (zooming in). Zooming is performed by employing the idwt2() MATLAB function, with a wavelet family determ
GDFT
- 该程序基于开源项目，是一种快速样条分形变化的算法，用于通过频域采样数据对图像进行伪作色还原，对提高甚高频扫描隧道显微技术成像质量有着非常重要的意义。-The program is based on the open source project, a fast-spline fractal algorithm change for pseudo-pornographic images by the frequency-domain sampling data restore quality of
DFT
- 图像的DFT、FFT变换，高效快捷,可以运用在医学图像处理中，也可以改进图片质量-DFT, image FFT transform, fast and efficient
dll
- 无参考图像质量评价资料，用来计算的。Matlab语言编写，很实用。-No reference image quality assessment data used for the calculation. Matlab language, very practical.