Search - frequency domain filter

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[OpenCV] pythonImageDFThighlowpass DL : 0: Python opencv image enhancement in frequency domain. DFT , inverse DFT , highpass , lowpass filter
Date : 2025-12-13 Size : 24kb User : like_wind_mgl
[OpenCV] Low_Pass_Filter DL : 0: opencv 写的频率域滤波包含高斯，理想，巴特沃斯低通滤波，-opencv write the frequency domain filtering includes Gaussian, ideal Butterworth low-pass filter,
Date : 2025-12-13 Size : 86kb User : shlkl99
[OpenCV] Homomorphic-filtering DL : 0: 同态滤波去噪，把频率过滤和灰度变换结合起来的一种图像处理方法，它依靠图像的照度/ 反射率模型作为频域处理的基础，利用压缩亮度范围和增强对比度来改善图像的质量。使用这种方法可以使图像处理符合人眼对于亮度响应的非线性特性，避免了直接对图像进行傅立叶变换处理的失真。-Homomorphic filtering noise, the frequency filter and the gradation conversion processing method combining an image, which relies on image intensity/reflectance model as the basis for the frequency domain, using the luminance range compression to improve the quality and increase the contrast of the image . With this image processing method can make the luminance response of the human eye is found in the nonlinear characteristic, avoid the direct Fourier transform processing on the image distortion.
Date : 2025-12-13 Size : 1.32mb User : 王芬
[OpenCV] LOW_PASS_FILTER DL : 0: 基于VC6.0和opencv的频域低通滤波器程序，实现了低通滤波的基本功能-Opencv based on VC6.0 and low-pass filter in the frequency domain procedures to achieve the basic functions of the low-pass filter
Date : 2025-12-13 Size : 1.78mb User : 黄文君