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读取图片

from PIL import Imageimage_path='./images/capf.jpg'image=Image.open(image_path)

过滤器 ImageFilter模块

from PIL import ImageFilterfilter_path='./images/capf_filter.jpg'filter_image=image.filter(ImageFilter.DETAIL)try:    filter_image.save(filter_path)    print('图像保存成功！')except IOError:    print('图像保存失败！')

图像保存成功！

像素点操作 point

point_path='./images/capf_point.jpg'point_image=image.point(lambda i:i*2)try:    point_image.save(point_path)    print('图像保存成功！')except IOError:    print('图像保存失败！')

图像保存成功！

整体增强 ImageEnhance模块 亮度Brightness、对比度Contrast、色度Color、锐度Sharpness

from PIL import ImageEnhancecontrast_path='./images/capf_contrast.jpg'color_path='./images/capf_color.jpg'bright_path='./images/capf_bright.jpg'sharp_path='./images/capf_sharp.jpg'contrast_image=ImageEnhance.Contrast(image).enhance(5) # 对比度color_image=ImageEnhance.Color(image).enhance(5) # 色度bright_image=ImageEnhance.Brightness(image).enhance(5) # 亮度sharp_image=ImageEnhance.Sharpness(image).enhance(5) # 锐度try:    contrast_image.save(contrast_path)    color_image.save(color_path)    bright_image.save(bright_path)    sharp_image.save(sharp_path)    print('图像保存成功！')except IOError:    print('图像保存失败！')

图像保存成功！

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