-
MeFrm
说明: 傅立叶变换在图像处理中的重要作用:
(A) 图像增强与图像去噪
绝大部分噪音都是图像的高频分量,通过低通滤波器来滤除高频噪声;边缘也是图像的高频分量,可以通过添加高频分量来增强原始图像的边缘;
(B) 图像分割与边缘检测
提取图像高频分量
(C) 图像特征提取
形状特征:傅里叶描述子
纹理特征:直接通过傅里叶系数来计算纹理特征
其他特征:将提取的特征值进行傅里叶变换来使特征具有平移、伸缩、旋转不变性
(D ) 图像压缩
可以直接通过傅里叶系数来压缩数据;常用的离散余弦变换是傅立叶变换的实变换;
(Fourier transform in the important role of image processing:
(A) image enhancement and image denoising
Most of all images of high frequency noise by low pass filter to filter out high frequency noise edge is the image of the high frequency components can be enhanced by adding high frequency components to the edge of the original image
(B) Image segmentation and edge detection
High frequency components extracted image
(C) image feature extraction
Shape features: Fourier descriptors
Texture: directly through the Fourier coefficients to calculate the texture features
Other features: The characteristic value extracted by Fourier transform to the characteristics of translation, scaling, rotation invariance
(D) image compression
Fourier coefficients can be directly compressed data commonly used discrete cosine transform is the Fourier transform of the real transformation
朗读显示对应的拉丁字符的拼音)
- 2011-03-28 19:06:27下载
- 积分:1
-
VisualCDigitalImageProcessing
这本是用VC++来实现图像处理的书藉,对于学习图像处理的来说是非常有用的.(This is VC++ to realize image processing books, for learning image processing is very useful.)
- 2009-04-18 10:44:05下载
- 积分:1
-
radon
radon算法opencv实现,能够很好的实现图像的水平旋转矫正。( implementing the radon by opencv.)
- 2021-04-21 16:58:50下载
- 积分:1
-
fenqusuanfa
数字全息分区算法模拟,用于从一副同轴全息图中恢复出物体的像(digital holography)
- 2021-04-18 16:38:52下载
- 积分:1
-
ImageHistogramEqualization
说明: vc代码,用于图像直方图均衡(以原始girl图像为测试图像) (vc code, for image histogram equalization (in the original girl image for the test images))
- 2010-03-28 09:42:18下载
- 积分:1
-
GST-for-small-target-detection-master (1)
说明: 本代码使用MATLAB编写的基于GST模型的红外弱小目标检测代码(% This source code is for infrared small target detection method based on Generalized Structure Tensor (GST).
% If you use this code in your publications, please cite:)
- 2019-04-15 15:50:58下载
- 积分:1
-
Image-binarization
说明: 图片自适应二值化处理,二值化处理使用简单方便。(Adaptive binarization image processing, binary processing easy to use.)
- 2011-03-01 01:16:18下载
- 积分:1
-
ica-matlab
脑电信号 分析 fast ica去噪,去除心电,眼电,肌电,效果不错(fast ica for eeg)
- 2012-03-18 19:21:32下载
- 积分:1
-
matlab-TE-fault1
matlab程序,利用主元分析、T2统计图和贡献率图方法对数据进行故障检测和诊断,贡献率图是变量对失控得分进行贡献率计算(matlab program, using principal component analysis, T2 charts and maps of the contribution rate of the data for fault detection and diagnosis, the contribution rate of the variable on the map is out of control scores calculated contribution rate)
- 2021-04-19 20:48:51下载
- 积分:1
-
encrypt2
图像加密 matlab程序 图像加密的程序 混沌系统图像加密的程序(encrypt photo)
- 2017-05-17 17:50:23下载
- 积分:1