# 读取图像image_path='path_to_your_image.jpg'# 替换为你的图像路径image=cv2.imread(image_path)# 使用 OpenCV 读取图像 1. 2. 3. 步骤3:添加噪声 我们可以通过向图像的每个通道添加随机生成的噪声来实现图像噪声的添加。 defadd_noise(image):row,col,ch=image.shape#
高斯噪声椒盐噪声开始选择噪声类型设置均值和标准差设置盐与胡椒比例添加噪声显示结果结束 # 调试命令importcv2importnumpyasnpdefadd_gaussian_noise(image,mean=0,std_dev=25):gaussian_noise=np.random.normal(mean,std_dev,image.shape).astype(np.uint8)noisy_image=cv2.add(image,gaussian_noise)returnnoisy_ima...
noise=... image= img + noise 参考链接: 1、https://stackoverflow.com/questions/22937589/how-to-add-noise-gaussian-salt-and-pepper-etc-to-image-in-python-with-opencv# 2、https://stackoverflow.com/questions/14435632/impulse-gaussian-and-salt-and-pepper-noise-with-opencv# __EOF__...
img= ...noise= ...image= img + noise AI代码助手复制代码 参考链接: 1、https://stackoverflow.com/questions/22937589/how-to-add-noise-gaussian-salt-and-pepper-etc-to-image-in-python-with-opencv# 2、https://stackoverflow.com/questions/14435632/impulse-gaussian-and-salt-and-pepper-noise-with-...
OpenCV - Add Noise的一些方法 import numpyasnp def pepper_and_salt(src, proportion):""":param src: the original image :param proportion: the proportion of salt and pepper noise :return:"""noise_img =np.copy(src) noise_num=int(proportion * src.shape[0] * src.shape[1])foriinrange(...
# convert all to float64 gray = [np.float64(i) for i in gray] # create a noise of variance 25 noise = np.random.randn(*gray[1].shape)*10 # Add this noise to images noisy = [i+noise for i in gray] # Convert back to uint8 ...
周期性噪声(Periodic Noise):周期性噪声通常由于电源干扰或光源问题引起,它在图像中呈现出明显的周期性纹理或条纹,可以使用滤波器等方法去除。 亮度均匀性噪声(Illumination Uniformity Noise):这种噪声通常与光照条件不均匀有关,导致图像中的亮度不均匀分布。
LenaNoisedisp_caption和disp_image函数分别是用于显示提示文字和平滑过程中的变化图像的,平滑过程中图像的变化如下图:blur注意观察上面的图,中值滤波(Median Blur)对椒盐噪声的效果最好!四种滤波方法分别使用到4个OpenCV函数,这些函数的声明都在imgproc.hpp中,这些函数的前2个参数都...
img: image gt_boxes: format [[obj x1 y1 x2 y2],...] 类别id 中心点x坐标 中心点y坐标 w h(相对于图片宽高) scale: percentage of cropped area ''' # Crop image height, width = int(img.shape[0]*scale), int(img.shape[1]*scale) ...
%d", (char *)id, state); displayStatusBar(main_win, msg); return; } void pushbuttonCallBack(int, void *font) { // Add text to the image addText(orig_img, "Push button clicked", Point(50,50), *((QtFont *)font)); imshow(main_win, orig_img); // Shows original image return...