Location:
Search - inverse wavelet
Search list
Description: 本程序实现二维灰度图像的小波变换和逆变换。
直接运行本目录下的批处理程序run即可。
用户需自己输入以下参数：
1. 图像文件名(lena.bmp，若使用其它图像请先放入本目录下)
2. 选用的小波名称(本程序中可使用haar及db2-db5)
3. 小波变换的级数。
运行结束后小波变换与逆变换结果分别保存在dec.bmp与rec.bmp中。-This procedure realize two-dimensional gray-scale image wavelet transform and inverse transform. Catalog under the direct operation of a batch process can run. Users need their own, enter the following parameters: 1. Image file name (lena.bmp, if the use of other images, please Add Catalog under) 2. Wavelet chosen name (This procedure can be used haar and db2-db5) 3. Wavelet Transform series. Run after the wavelet transform and inverse transform results are stored in dec.bmp in with rec.bmp.
Platform: |
Size: 477184 |
Author: canor |
Hits:
Description: 运用DB小波对图像进行小波变换和逆小波变换。包括了最基本的HARR波。-The use of DB wavelet image wavelet transform and inverse wavelet transform. Including the most basic HARR wave.
Platform: |
Size: 131072 |
Author: shi zhenxiang |
Hits:
Description: 1．选择一幅图像，对该图像进行DCT块操作（将图像分成8×8小块，对每个小块进行DCT变换）。
2.利用屏蔽矩阵对DCT系数进行区域选择，然后进行逆变换（IDCT），合成原图像，计算合成图像的PSNR。
3.选择一小波函数，对一幅图像进行分解，显示各变换系数，观察其规律，并进行小波逆变换，合成原图像。
-1. Select an image, the image DCT block operations (the image is divided into 8 × 8 small pieces of each small piece for DCT transform). 2. The use of shielding on the DCT coefficient matrix of regional choices, and then inverse transform (IDCT), synthesis of the original image, calculating the synthetic image PSNR. 3. To select a wavelet function, decomposition of an image to show the transform coefficients, to observe its laws, and inverse wavelet transform, the original synthetic image.
Platform: |
Size: 2048 |
Author: syq |
Hits:
Description: 完成对输入图像Fig8.23.jpg利用Haar小波进行图像小波变换，变换系数量化，小波逆变换完成图像重构，并计算其重构图像的均方误差和信噪比来评估图像的重构误差-Completion of the input image Fig8.23.jpg use Haar wavelet image wavelet transform, transform coefficients quantify the inverse wavelet transform the completion of image reconstruction, and calculate the reconstructed image of the mean square error and signal to noise ratio to assess the image reconstruction error
Platform: |
Size: 131072 |
Author: 朱为总 |
Hits:
Description: 实现单幅图像的小波行变换、列变换、一层、二层、三层变换、逆变换！-Realize single image of the wavelet transformation, column transform, layer, two-story, three-transform, inverse transform!
Platform: |
Size: 2729984 |
Author: Goddn |
Hits:
Description: 小波变换，反变换，以及提升小波变换，包括97小波，及53小波-Wavelet transform, inverse transform, as well as the lifting wavelet transform, including the 97 wavelet, and 53 wavelet
Platform: |
Size: 12288 |
Author: feng |
Hits:
Description: 双正交小波的正变换和反变换，以及显示程序；提升小波的正变换和反变换，以及显示程序-Are the biorthogonal wavelet transform and inverse transform, and display procedures the lifting wavelet transform and inverse transform is, as well as the display program
Platform: |
Size: 169984 |
Author: zoe |
Hits:
Description: Computing the wavelet transform of an image
First we load the image
Then we set up the parameter of the transform
At last we actually perform the transform
If we do the inverse transform, we get back nearly the original image
Finaly we display the image and its transform
Platform: |
Size: 125952 |
Author: Swati |
Hits:
Description: Linear and non-linear approximation with wavelets
Linear approximation is obtained by keeping M low frequency coefficients and then applying the inverse wavelet transform. Here we take M=n^2/4 by keeping n/2 x n/2 low frequency coefficients.
Linear approximation is obtained by keeping M=n^2/4 best coefficients, that are the M largest amplitude coefficients.
We can now compute the approximation error and display both the coefficients and the resulting images. The non-linear approximation is usually much better for images that contains edges because linear approximation blurs features (it is non-adaptive).
Platform: |
Size: 97280 |
Author: Swati |
Hits:
Description: 用opencv实现的图像小波变换及反变换代码，可用于图像去噪、多分辨率分析等方面。-Opencv achieved with wavelet transform and inverse transform the image code can be used for image denoising, multi-resolution analysis and so on.
Platform: |
Size: 141312 |
Author: zyy |
Hits:
Description: dual tree complex wavelet transform (DTCWT)construction and inverse of DTCWT
Platform: |
Size: 81920 |
Author: Shahid Manzoor |
Hits:
Description: This program calculates the 2-D inverse wavelet transform of an image using orthogonal filters.
Platform: |
Size: 1024 |
Author: psycrystal |
Hits:
Description: 用OpenCV实现二维离散小波变换及其逆变换(对初学者非常有用)-OpenCV implementation with two-dimensional discrete wavelet transform and its inverse transform (very useful for beginners)
Platform: |
Size: 5120 |
Author: 走出地平线 |
Hits:
Description: main executing reference usage: observeWaveletDecompositionBenchmark_N_levels.m
The objective is to illustrate wavelet decomposition, and to describe how operations may be done in the wavelet domain before the reconstruction. The demo decouples the wavelet operations (transform, operation in wavelet domain, and reconstruction) from the plotting.
A PSNR and MSE describes the possible distortion (however minimal) of the forward and inverse wavelet transform.
* Caveat: The image display may be subjected to the selected target image. The objective is to provide a simple framework for the understanding of working with wavelets.
Platform: |
Size: 210944 |
Author: elfrania |
Hits:
Description: c code for wavelet
dwt97.c - Fast discrete biorthogonal CDF 9/7 wavelet forward and inverse transform (lifting implementation)
Platform: |
Size: 13312 |
Author: ismaelowich |
Hits:
Description: 用matlab编写的基于Haar小波变换的图像增强处理，同时可实现小波正变换，小波逆变换，实现小波分解与重构源代码。-Written by matlab Haar wavelet-based image enhancement processing, and can achieve positive wavelet transform, inverse wavelet transform, wavelet decomposition and reconstruction to achieve the source code.
Platform: |
Size: 28672 |
Author: asdfg |
Hits:
Description: 实现以下功能：装载信号；完成信号的单尺度一维离散小波分解；从系数中重构低频部分和高频部分；显示高频和低频部分；由小波逆变换恢复信号；多层一维分解；提取系数的低频和高频部分；重构第3层的低频系数；重构第1、2、3、4、5层的高频信号；重构原始信号并显示-Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition reconstructed from the coefficients in the low frequency and high frequency display high-frequency and low frequency restored by the inverse wavelet transform signal multi-layer one-dimensional decomposition extraction coefficient of low frequency and high frequency reconstruction of 3-layer low-frequency coefficients reconstruction of the first layer of high-frequency signal 1,2,3,4,5 reconstruct the original signal and display
Platform: |
Size: 1024 |
Author: 王艳 |
Hits:
Description: 小波变换-图像融合的matlab代码~
图像融合实验。显微镜或照相机在某一次固定焦距下清晰成像的物距是一定的，即成像的物体只有一个层面是清晰而其它层面是模糊的，需要我们把各幅在不同焦距下的图像融合成一张图像，使得远近的物体都清晰。
设定好融合图像数、小波分解的层数、彩色图像的通道数等几个参数后，可对原图像进行融合。
本算法首先对彩色图像变成YIQ空间，对所有图像的各个颜色分量进行小波分解，然后在小波变换域上根据某种策略选取系数，最后做小波反变换和YIQ反变换即得结果图像。-Wavelet transform- image fusion matlab code to image fusion experiments. Microscope or camera in a fixed focal lengths clear imaging object distance is certain that the imaging of objects is only one level is clear and at other levels is vague, we need various pieces of different focal lengths, image fusion into an image, near and far objects in focus. Set fused image, wavelet decomposition of the number of layers, the number of channels of the color image and several other parameters, the original image fusion. The algorithm first color image into the YIQ space, each color component of the image wavelet decomposition, according to a strategy selection coefficient in the wavelet transform domain, and finally do the inverse wavelet transform and YIQ inverse transform to obtain the resulting image.
Platform: |
Size: 4661248 |
Author: 吴迪 |
Hits:
Description: 对含噪声信号进行小波变换；对变换得到的小波系数进行某种处理，以去除其中包含的噪声；对处理后的小波系数进行小波逆变换，得到去噪后的信号-Containing noise signal wavelet transform the wavelet transform coefficients to a treatment to remove the noise contained therein the treated wavelet inverse wavelet transform coefficients to obtain a denoised signal
Platform: |
Size: 110592 |
Author: 文灿 |
Hits:
Description: 使用Matlab进行小波变换的程序，包含小波正变换和小波逆变换，可以作为学习Matlab以及小波变换的参考。-Using wavelet transform Matlab procedures, including wavelet transform and inverse wavelet transform, and can be used as a reference study of Matlab wavelet transform.
Platform: |
Size: 4096 |
Author: Ausk |
Hits:
« 12
3
4
5
6
7
8
9
10
...
13
»