数码图像处理系统在商业和一些专业领域里已被广泛应用 ,而摄影爱好者中搞数码图像处理的还不多见。笔者搞了多年的传统摄影 ,说不清究竟是受到了数码潮流的冲击还是诱惑 ,对数码图像也跃跃欲试 ,按动鼠标在屏幕上一点一拖地试着学起了图像处理技术。１在屏幕上“练兵”目前要 Digital image processing system has been widely used in commercial and professional fields, and digital image processing is still rare among photography lovers. The author engaged in many years of traditional photography, can not tell whether it was the impact of the digital trend or the temptation of digital images are also eager to press the mouse on the screen a little bit to try to learn the image processing technology. 1 “Training troops” on the screen at the moment