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hdjm
- 抽取子图像: 通过一个随机混沌标签序列从原图像中抽取 对子图像加密:小波变换 ,在高频部分加密 重构原图，把加密好的子图像重新放回到原图像中 -from sub-images : a random chaotic sequence label from the original image from a tradition image encryption : wavelet transform, the high-frequency part of remodeling the
DWT
- 利用同一密钥的混沌序列对经过置乱的水印信息实现双重加密，考虑小波变换的能量分布问题，把水印信息嵌入低频系数中，确保水印信息的可靠性。提取时利用图像复原方法实现盲检测。
Wavelet2D
- 信息隐藏 给予二维离散小波变换的图象水印嵌入
DWThundunjiami
- 文中提出了一种基于离散小波变换和混沌加密的数字水印新算法,采用二维混沌变换对水印图像加密 对载体图像进行多分辨离散小波变换,应用小波系数判断载体图像的纹理复杂程度后,依据人眼的视觉系统(HVS)特性,将水印信号嵌入到图像的低频部分,对图像的不 同分解层分别选取不同的纹理阈值和水印嵌入强度,将数字水印嵌入到相同分辨层的原始图像中,提高了水印算法的鲁棒性。在检测和提取水印时,通过水印相似度(NC)和峰值信噪比( PNSR)评价水印质量,实验结果表明提出的算法可以抵抗剪裁、JPEG压缩、滤波等几何
elecfans.com
- 基于小波变换的图像分割，很好的东西，功能强大-Image segmentation based on wavelet transform, a very good thing, a powerful
1-encryprion-JPEG2000-Image-by-Arnold
- 针对JPEG2000格式的图像，利用了Arnold变换对图像的小波系数进行加密，对初步研究JPEG2000图像加密算法的有试用价值-JPEG2000 image format for the use of the Arnold transform the image of the wavelet coefficients encryption, preliminary study of the JPEG2000 image encryption algorithms have tested th
SPIHT
- linux 下，压缩图像用的小波变换程序。 使用matlab程序书写，使用方便。-under linux, compressed images using wavelet transform procedures. Matlab procedures used to write and easy to use.
SMBus_EEPROM
- 讀取系統SMBus下的EEPROM(包含SPD)，可以燒入、讀取儲存與檢查(改變檢查標準，也許需要Code)。-System under the SMBus read EEPROM (contains SPD), can be burned into the read storage and inspection (to change the inspection standards and may need to Code).
0707-3
- 小波变换+线性预测+LZ77算法实现极速屏幕监控-Linear Prediction Wavelet Transform++ LZ77 algorithm speed-screen monitor
watermarking
- 对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). a
Visual
- 本程序时有关《Visual C小波变换技术与工程实践》的电子书，可以方便读者-The procedures relating to " Visual Cwavelet transform technology and engineering practice" e-books, readers can easily
dwt_embed
- 数字水印嵌入算法，利用离散小波变换的（dwt）算法-Digital watermark embedding algorithm, using discrete wavelet transform (dwt) algorithm
wavelettransformcode
- 一个用C语言实现的小波变换 小波采用DB4小波。代码简单易懂，能够实现精确重构-1 with the C language implementation of the wavelet transform using wavelet DB4 wavelet. Code is simple and easy to understand, be able to achieve accurate reconstruction of
program
- 应用于图像加密，先对图像进行小波变换，进行像素置乱-Applied to image encryption, the first image wavelet transform, pixel scrambling
wavelet
- 小波变换的程序，包含正变换和反变换，在地震信号上测试通过-Wavelet Transform program contains forward transform and inverse transform, tested on a seismic signal
4for1w_v2
- 小波变换实现微弱信号检测 BPSK QAM FSK-Wavelet transform weak signal detection BPSK QAM FSK
adapt-chaos-and-wavelet-combined-
- 该程序可以进行图像加密，运用了混沌和小波变换，希望对你有帮助。-adapt chaos and wavelet combined method of matlab image encryption
renlian-a
- 运用小波变换进行人脸识别，能够圈出标记，人脸部分-failed to translate
zhmyhe
- 实现图像小波变换,同一个窗口内分别实现原图和变换后的图像(Realize image wavelet transform, within the same window, the original image is implemented and after the transformation of the image)
dwt_blind_watermark
- 利用小波变换给数字加盲水印的代码。 svd+dwt(a method using svd and dwt to embed and extract water mark from image)