Photoshop Channel-Digging Learning: hair, Beauty

Many friends have learned the pen to pull a picture, raised a question, encountered elegant hair how to pull? I will use the channel method to pull the map to the friends like PS, Channel method to pick the hair better, to pick other places or pen tools, I combine pen and channel to pull the map of the method, to illustrate, there are not thoughtful place , please friends understanding.

Channel Buckle principle: Channels are: Color channel, alpha channel, and spot color channel. Where the alpha channel is used to store the selection, the alpha channel is a black to white middle 8-bit grayscale that will be selected for saving. Instead, we can use the Black-and-white contrast in the alpha channel to make the selections we need. (White is the selection of the alpha channel) levels can be adjusted to adjust the image of the darkened, the middle harmonic high light intensity level, to correct the image tonal range and color balance. We can do this by increasing the black-and-white contrast of the images by color bands.

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