1、均值平滑、中值平滑和低通滤波平滑 2、高斯拉普拉斯算子对图像边缘的增强， 3、彩色图像的锐化，-1, the mean smoothing, median smoothing and smoothing low pass filter 2, Laplacian of Gaussian edge enhancement, 3, color image sharpening,

Image enhancement in spatial domain, the sources include histogram, laplacian, unsharp mask, and spatial filter

Matlab function. Laplacian enhancement technique described in connection with Eq. (3.7-5). Use the mask shown in Fig. 3.39(d). Gonzalez. Image Processing-Matlab function. Laplacian enhancement technique described in connection with Eq. (3.7-5). Use

PROJECT 03-01 Image Enhancement Using Intensity Transformations PROJECT 03-02 [Multiple Uses] Histogram Equalization PROJECT 03-03 [Multiple Uses] Spatial Filtering PROJECT 03-04 Enhancement Using the Laplacian PROJECT 03-05 Unsharp