Channel matting, using PS channel to matt large tree pictures tutorial
This chaptercourseThrough thepassagewayFor big treesMattingAt first glance, this tree is not easy to cut out. In fact, it is relatively simple to cut out the background and foreground. We can observe it in the channel, and then select the appropriate channel to cut it outChannel mattingAt that time, students should pay attention to which channel is more suitable. Some students just touch PS and are not very good at using the channel to cut. In fact, as long as you practice more, you can finish it well by starting with simple work. Let’s learn together.
Open PS, press Ctrl+O to put the background layer of the big tree to be picked into
Click the “Channel” panel to enter, click and observe the red, green and blue channels respectively [find a black and white channel with high contrast], such as the blue channel; Then right click the “blue” channel and select the “copy channel” function to get the “blue copy” channel