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CplusplusBitmapLibrarySourceCodeandExamples
- Descr iption The C++ Bitmap Library consists of simple, robust, optimized and portable 24-bit bitmap image processing algorithms for the C++ language. Capabilities The library has the following capabilities: Read/Write 24-bit Bitmap I
image_processing_quantize
- 图像处理中的量化方法以及MSE/SNR/PSNR误差计算，采用了Level=16和Level=8两种量化方式。-Quantitative methods in image processing and MSE/SNR/PSNR error calculation, Level = 16 Level = 8 two quantitative methods.
tuxiang_erweibianhua
- 对图像进行二维离散小波变换, 变换级数大于等于3级, 并进行重构, 最后计算重构图像的峰值信噪比(PSNR) matlab-Image two-dimensional discrete wavelet transform, transform levels greater than or equal to 3, and reconstruction, the final calculation of the reconstructed image of the peak signal to no
PSNR_RGB
- PSNR(peak signal to noise ratio) calculation for image.
Compute_PSNR
- 描述了一种计算图像的峰值信噪比的方法，用matlab语言实现。-Describes a computational image PSNR using Matlab language.
MSE_PSNR
- 关于评价彩色图像质量的相关定义，如常用的MSE和PSNR，与灰度图像稍有区别，在图像的滤波、加密恢复等可以用得到。-Associated definitions on the evaluation of the color image quality, such as the commonly used MSE and PSNR slight difference with the grayscale image in the image filtering, encryption can be
DWT2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). -Two-dimensional discrete wavelet transform image transformed series is greater than or equal to 3, and then processing thresholding (threshold of about 10 or
rgbpic_psnr.rar
- 彩色图像和灰色图像的psnr和mse的计算,The color image psnr mse calculation
ImageNoiseEvaluation
- This matlab code show the noise calculations in image like PSNR etc. Which helps in image processing projects.
testone
- 二维离散小波变换(Mallat快速算法)对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). 数据：灰度图像lena.bmp或其它图像, 滤波器系数可以调用matlab中的wfilters函数获得, wfilters函数的使用请在matlab中help wfilters.-Two-dimensional discrete wavelet transform (Ma
DIP_wavelet-transform
- 利用二维Mallat小波分解原理，对一幅标准图像进行3级分解，获取小波高/低频系数，并分别用低频分量LL1、LL2、LL3小波系数进行图像重建，分别计算这三种情况和原始图像比较地PSNR-2D Mallat wavelet decomposition principle, a standard image 3 decomposition, to obtain of Wavelet high/low frequency coefficients, and the low-frequency com
Wiener_image-restoration
- 将一幅的灰度图像用平均滤波器进行模糊，分别再加上一定的高斯噪声和均匀噪声，然后，用设计的滤波器进行对上述两幅图像进行复原，并计算两幅图像复原前后的PSNR。-A gray-scale image with the average filter fuzzy, respectively, plus a Gaussian noise and uniform noise, and then, with filters designed to recover the two images, and cal
6image-recover
- 将一幅M×N的灰度图像用3×3平均滤波器进行模糊，分别再加上一定的高斯 噪声和均匀噪声。然后，设计一个维纳滤波器对这两幅图像进行复原，分别 计算这两幅图像复原前后的PSNR。-Gray-scale image of a MN 33 average filter is vague, respectively, plus a Gaussian noise and uniform noise. Then, design a Wiener filter to recover these two
A-Watermarking-Algorithm(MATLAB)--
- 盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲
Wavelet-denoising
- 将小波技术应用于图像去噪，利用复数改进后输出去噪后的MSE和PSNR值-Wavelet denoising was applied to image processing, use a plural improvements after the output wavelet denoising of MSE and PSNR
data
- it is test image. it is useful for testing image PSNR or extracing feature.
iwssim_iwpsnr
- This code calculate the PSNR between the original and the distored image, and give the value of this PSNR.
ImageQualityMeasures
- it contains image quality metrics PSNR , SSIM, SC, Avg diff etc.,
pic1
- matlab 读入某一图像，对图像灰度化的图形进行不同阶数的量化比较，计算psnr-matlab read a certain image, gray graphics quantitative comparison of the different orders, calculate psnr
wavelet
- 对某一标准图像进行二维Mallat小波的3级分解，获得小波高/低频系数，分别 用低频分量LL1、LL2、LL3的小波系数进行图像重建，分别计算这三种情况 和原始图像比较的PSNR。-A standard image 3 2D Mallat wavelet decomposition, wavelet high/low frequency coefficients , respectively Low frequency component LL1 , LL2, LL3 wavelet