购物类网站建设,网站管理规范,鞋设计师之家官网,有哪些类型的网站什么是色调#xff1f;
色调#xff0c;在画面上表现思想、感情所使用的色彩和色彩的浓淡。分为暖色调和冷色调。 from cv2 import destroyAllWindows, imread, imshow, waitKey#创建棕褐色色调
def make_sepia(img, factor: int):pixel_h, pixel_v img.shape[0], img.shap… 什么是色调
色调在画面上表现思想、感情所使用的色彩和色彩的浓淡。分为暖色调和冷色调。 from cv2 import destroyAllWindows, imread, imshow, waitKey#创建棕褐色色调
def make_sepia(img, factor: int):pixel_h, pixel_v img.shape[0], img.shape[1]#创建像素的灰度表示def to_grayscale(blue, green, red): return 0.2126 * red 0.587 * green 0.114 * blue#规范化 R/G/B 值如果值 255则返回 255def normalize(value):return min(value, 255)for i in range(pixel_h):for j in range(pixel_v):greyscale int(to_grayscale(*img[i][j]))img[i][j] [normalize(greyscale),normalize(greyscale factor),normalize(greyscale 2 * factor),]return imgif __name__ __main__:#读取原始图像images {percentage: imread(image_data/test.jpg, 1) for percentage in (10, 20, 30, 40)}for percentage, img in images.items():make_sepia(img, percentage)for percentage, img in images.items():imshow(fOriginal image with sepia (factor: {percentage}), img)waitKey(0)destroyAllWindows()图像处理前 图像处理后
