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[Graph programchap04

Description: ch4_1_4:对f进行补零(区域大小为256×256),而后进行二维快速傅立叶变换(§4.1.2) ch4_1_5:使变换结果的零频率分量位于中心,调用函数fftshift(§4.1.2) ch4_1_6:利用函数ifft2对乘积进行傅立叶反变换(§4.1.3) ch4_1_7:得到在图像text.png中对应字母“a”的定位结果(§4.1.3) ch4_2_1:对一幅图像进行离散余弦变换(§4.2.1) ch4_2_2:JPEG图像压缩(§4.2.2) ch4_3_1:正方形图像在0°和45°方向上的Radon变换(§4.3.1) ch4_3_2:计算方形图像从0°到180°每隔1°计算一次Radon变换的命令(§4.3.1) ch4_3_3:直线检测(§4.3.1) ch4_3_4:利用radon函数和iradon函数构造一个简单图像的投影并重建图像(§4.3.2) ch4_4_1:映射和重建图像(§4.4.1)
Platform: | Size: 4208 | Author: sherman1944 | Hits:

[Graph programchap04

Description: ch4_1_4:对f进行补零(区域大小为256×256),而后进行二维快速傅立叶变换(§4.1.2) ch4_1_5:使变换结果的零频率分量位于中心,调用函数fftshift(§4.1.2) ch4_1_6:利用函数ifft2对乘积进行傅立叶反变换(§4.1.3) ch4_1_7:得到在图像text.png中对应字母“a”的定位结果(§4.1.3) ch4_2_1:对一幅图像进行离散余弦变换(§4.2.1) ch4_2_2:JPEG图像压缩(§4.2.2) ch4_3_1:正方形图像在0°和45°方向上的Radon变换(§4.3.1) ch4_3_2:计算方形图像从0°到180°每隔1°计算一次Radon变换的命令(§4.3.1) ch4_3_3:直线检测(§4.3.1) ch4_3_4:利用radon函数和iradon函数构造一个简单图像的投影并重建图像(§4.3.2) ch4_4_1:映射和重建图像(§4.4.1)
Platform: | Size: 4096 | Author: sherman1944 | Hits:

[matlabFFT2IFFT2

Description: FFT2 & IFFT2\Untitle.rar with matlab
Platform: | Size: 690176 | Author: saeed | Hits:

[Special EffectsFFt

Description: 其中图片说明: A: 傅里叶变换后频谱图 B:陷波函数作用后的频谱图 C:经逆变换的滤波后图像,效果不是很理想 Ifft2:为验证自己的快速傅里叶变换程序的正确性,用matlab自带逆变换程序将频谱逆变换后图形,与原图相符,说明快速傅里叶变换程序正确。-One Photo caption: A: After the Fourier transform frequency spectrum diagram B: the role of Notch function, the frequency spectrum of post-C: The inverse transform of the filtered images, the effect is not very satisfactory Ifft2: To verify their Fast Fourier Transform program correctness, using matlab inverse transformation process will own the spectrum after the inverse transform graphics, and the Original line, indicating the fast Fourier transform correctly.
Platform: | Size: 329728 | Author: lixiaozhui | Hits:

[matlabFFT_IFFT

Description: 自己编的程序,实现快速傅里叶变化,结果和matlab自带的fft2一样。-Own series of programs, fast Fourier transform, results and matlab native fft2 the same.
Platform: | Size: 1024 | Author: 方杭杭 | Hits:

[matlabanalyse_fringes

Description: reconstruct image with an input image with interference fringe (use fft2, ifft2, angle)
Platform: | Size: 2048 | Author: guitard pascal | Hits:

[Special Effectsfft2andiff2

Description: 自己编写fft2和ifft2程序并进行快速傅里叶变换试验-fft2 and ifft2
Platform: | Size: 151552 | Author: jiaruixin | Hits:

[Graph Recognize28781075Fourierbianhuajifanbianhuan

Description: 傅里叶变换后频谱图 B:陷波函数作用后的频谱图 C:经逆变换的滤波后图像,效果不是很理想 Ifft2:为验证自己的快速傅里叶变换程序的正确性,用matlab自带逆变换程序将频谱逆变换后图形,与原图相符,说明快速傅里叶变换程序正确。-This is a FFT
Platform: | Size: 2048 | Author: 罗聪 | Hits:

[Special Effectsifft2

Description: C语言编写的傅立叶正逆变换,经过测试与matlab里面的.m算法结果一致。还有数据测试可用。适用于工程信号处理中。-C language of the Fourier transform, After test and Matlab inside m algorithm results. There are data test available. Suitable for engineering signal processing.
Platform: | Size: 1024 | Author: charles lee | Hits:

[Special Effects1

Description: 绘制一幅人像或风景图像的幅频图及相频图,并由幅频图及相频图重建空间域图像.(使用fft2,ifft2,fftshift函数)-Draw a portrait or landscape image amplitude-frequency and phase-frequency diagram in Figure by the amplitude-frequency and phase-frequency diagram in Figure spatial domain image reconstruction. (Use fft2, ifft2, fftshift function)
Platform: | Size: 3072 | Author: ann | Hits:

[2D GraphicGS_FFT

Description: 运用快速傅里叶转换法fft2和逆转换ifft2反复迭代进行对二维平面函数的处理程序。-Fft2 by applying the method of fast Fourier transformation and reverse change ifft2 repeated iteration of two-dimensional plane function handler.
Platform: | Size: 1024 | Author: 陈斌 | Hits:

[Crack HackDRPE

Description: 经典的双随机相位编码,但是我们纠正了直接使用FFT2和IFFT2的误区。-Classic double random phase encoding, but we corrected directly FFT2 and IFFT2 errors.
Platform: | Size: 1024 | Author: 徐晓滨 | Hits:

[GDI-BitmapIFFT2

Description: 用于灰度BMP图像的二维快速傅里叶反变换,将频谱信息转化为图像-Two-dimensional inverse fast Fourier transform for gray-scale BMP images, transforming spectral information into images
Platform: | Size: 1024 | Author: 杨威 | Hits:

[2D GraphicDFTIDFT

Description: 图像傅里叶变换和逆变换的ifft2和fft2的简单使用和显示 正确的ifft2方式使用和错误的ifft2方式使用-Image Fu Liye transform and inverse transform of ifft2 and fft2 are simple to use and display the correct ifft2 mode and use the wrong ifft2 mode
Platform: | Size: 1024 | Author: marrymiffy | Hits:

[Special Effectsworkshop.tar

Description: 压缩感知的MRI图像重建测试CS-MRI 程序包括:fft2、ifft2、小波稀疏变换子程序、测试数据、demo程序......(compressed sensing for MRI)
Platform: | Size: 20149248 | Author: sweed | Hits:

[Other图像傅里叶变换

Description: 二维傅立叶变换的Matlab实现,是利用图像处理软件对给出的图像进行傅立叶变换处理。在Matlab中,函数fft2表示二维傅立叶变换,函数ifft2则表示二维傅立叶反变换。(The Fourier transform of the image)
Platform: | Size: 1024 | Author: kingslayer1733 | Hits:

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