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对图像应用各种模糊和锐化滤镜。用于降噪的高斯平滑、用于椒盐噪声的中值平滑、用于边缘保留平滑的双边平滑或用于锐化的非锐化掩模。
比较高斯模糊、中值滤波、双边平滑和锐化掩蔽以实现去噪和边缘感知锐化。
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Gaussian blur smooths an image by averaging each pixel with its neighbors using a Gaussian (bell curve) weighted kernel. It reduces noise and detail while preserving overall structure.
Bilateral filter smooths images while preserving edges. It considers both spatial distance and intensity difference, making it ideal for noise reduction without blurring object boundaries.