摘要
Photoshop软件如今被广泛应用于平面设计、网店装修、摄影后期等各个领域,抠图是Photoshop一项基本功能。针对不同的图像、不同的目标选择不同的抠图方法,其中通道的作用是建立、保存和编辑选区,通道抠图法适用于抠取半透明像素图像。文章介绍了通道的概念、通道原理、应用方法、Alpha通道及通道的分色编辑法,并以抠取半透明婚纱为实例详细阐述Alpha通道的编辑,抠取带有半透明像素的图像并更换背景。
Photoshop software is widely used in graphic design,online shop decoration,photography and other fields.Image-cutout is a basic function of Photoshop.Different image-cutout methods can be selected for different images and different targets.The function of the Channel is to create,save and edit the selected area,and the Channel cutout method is suitable for extracting the translucent pixel images.The concept,principle and application of Channel are introduced in this paper,as well as the Alphachannel and color editing method,and with the case of a cutout of translucent wedding dress,the editing with Alpha-channel is elaborated.In the case study,a cutout of translucent pixel image is extracted and the background is changed.
作者
程杰
Cheng Jie(Xilingol Vocational College,Xilihot,Inner Mongolia 026000,China)
出处
《计算机时代》
2022年第1期72-74,78,共4页
Computer Era
基金
锡林郭勒职业学院科研项目“Photoshop课程案例拓展实践的应用研究”(YB-2021-21)。