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ondellette
- La transformée en ondelette discrète (en anglais Discrete Wavelet Transform, ou DWT) est une technique utilisée dans la compression de données numériques avec ou sans perte (JPEG2000). La compression est réalisée par approximations successives de l i
image_compression_with_wavelets
- 应用二维的离散小波变换，实现图像的压缩。-Two-dimensional discrete wavelet transform, for image compression.
report_imp
- IMAGE COMPRESSION USING DISCRETE WAVELET AND DISCRETE COSINE TRANSFORM -IMAGE COMPRESSION USING DISCRETE WAVELET AND DISCRETE COSINE TRANSFORM
finger
- Wavelet Compression and Matched Filters, reads in and compresses the fingerprint images with a biorthogonal discrete wavelet transform
shuiyin
- 基于离散小波变换的数字图像水印技术，供大家分享。-Discrete Wavelet Transform Based Digital Image Watermarking
wavelet
- 小波变换和离散时间域的多分辨率分析。是学习信号处理的号资料-Wavelet transform and discrete multi-resolution time domain analysis. Number of learning data signal processing
multiscale
- 多尺度变换域隐马尔可夫模型能够有效地描述变换域系数在尺度间、尺度内和方向间的统计相关性,是 一种新的统计图像感知与识别方法. 文中以变换域系数的统计相关性描述为中心,以模型的设计和应用的开展为 两翼,深入分析了子波变换的三级统计特性与机理,比较研究了多尺度变换域的十种统计模型,并系统评述了这些 模型在图像感知、处理和分析中的最新进展. 同时,具体论述了这一领域研究中两类成功的实例:图像去噪和图像 纹理分割. 对于前者,以Lena 图像为测试用例分析比较了以变换域统计模型为核心的
dwta
- 离散小波变换的一个程序，希望对大家有所帮助。-Discrete wavelet transform a program, we want to help.
wavlet-demo
- 实现对信号的连续、离散小波分解，程序简单易读-Achieve continuous signal, discrete wavelet decomposition, the program simply read
DWT-Watermark
- discrete wavelet transform for image watermarking
waveletDB4PRO
- 在理解了离散小波变换的基本原理和算法的基础上，通过设计VC程序对简单的一维信号进行小波分解系数；再通过改变分解得到的各层高频系数进行信号的小波重构达到消噪的目的-Understand the discrete wavelet transform in the fundamental principles and algorithms, based on the VC program by designing a simple one-dimensional signal wavelet coef
DWT_autoenh
- 离散小波分解下的图像增强，快速，可以与其他波分解的图像增强做对比-Discrete wavelet decomposition of image enhancement, fast, with other wave decomposition of image enhancement to do comparison
xiaoboquzao
- 小波去噪matlab程序,在噪声环境下语音信号的增强,语音信号为读入的声音文件,噪声为正态随机噪声,在小波基 db3 下进行一维离散小波反变换.-Matlab wavelet denoising procedure, noise enhancement of speech signals, speech signal is read into the sound file, the noise is normal random noise, the wavelet ' db3' u
FreqCalculate
- 各种变换：// FFT() - 一维快速付立叶变换 // IFFT() - 一维快速付立叶逆变换 // Fourier() - 二维快速傅立叶变换 // IFourier() - 二维快速傅立叶逆变换 // DCT() - 一维快速离散余弦变换 // IDCT() - 一维快速离散余弦逆变换 // FreqDCT() - 二维快速离散余弦变换 // IFreqDCT() - 二维快速离散余弦逆变换，图象的二维离散小波变换-Var
tuxiangshuiyin
- 利用二维离散小波，在一幅图像中嵌入水印，并对水印图像进行水印的提取和检测。-Using two-dimensional discrete wavelet, an image embedded in the watermark and image watermark extraction and detection.
vstock61
- 离散小波变换，然后主成分分析进行数据降维，用于模式识别，如人脸识别，掌纹，-Discrete wavelet transform, and then principal component analysis for data dimensionality reduction for pattern recognition, such as face recognition, palm prints,
wavelet_fenli
- 离散小波变换正反变换分离程序，含可读取小波系数文件重构图像，小波系数分解文件-Discrete Wavelet Transform and against separation procedure, the wavelet coefficients can read the file containing the image reconstruction, wavelet coefficients of decomposed file
detectionofabruptpoint
- 小波变换有关突变点的检测，通过离散小波变换与连续小波变换进行对比-Wavelet transform on the detection of mutations, through the discrete wavelet transform are compared with the continuous wavelet transform
zhouliu
- A VLSI Architecture for the 2-D Discrete Wavelet Transform
exWavedec2
- Multilevel Discrete wavelet transform example with a picture