PS Super strong pull hair big trick

In the field of picture synthesis, using Photoshop to pick up the background is a commonplace topic, while the character hair or animal fur is a long-standing problem under this topic. Here's a couple of different ways to tackle simple and complex backgrounds, both of which can be quite effective.

　　Skill One: simple background picture cutout

The most effective photos, of course, come from professional studios, because they make films with a solid color background. This kind of film makes it easier for the software to find the edges of the object, but it's a little tricky to pull out the perfect-looking hair-silk effect. In this example, we will use the traditional channel to pick Tufalai this has the elegant hair of the Meng sister paper to pull out, put in a more attitude of the background.

In the PS open this photo, you can see that this is not a pure white background, but the color is still very simple and plain and Meng sister paper has a good contrast.

Pull up the channel panel and view the images under three channels, red, green, and blue respectively. The images under each channel will show slightly different shades of gray, finding a channel with the best contrast between the foreground and background colors. Drag the thumbnail of the channel to the icon of the new channel to copy the channel.

Only select this new channel, Ctrl+l (Mac user bit cmd+l) tune the Order, the Dark slider (left sideslip block) to the right, the Light slider (right slider) left, you can significantly increase the light and dark contrast. But do not too oh, otherwise the picture will appear some annoying noise point.

This time Meng sister paper became black sister paper, background area there is a large area of gray. Select the Dodge tool, reduce the opacity of the brush, highlight the range of action, and then smear it in the background area until the gray part of the background is highlighted as white (the lower left corner of the image is the model area).

Switch to the deepen tool, the scope of the selection shadow, constantly smear black sister paper, until you do not move until.

What if it doesn't work? Directly with the black Brush tool will be the remaining areas (generally are nails, whites, nose and the hands of the high light area) painted black, so far, Meng sister paper into Black shadow completely.

The shortcut key Ctrl+i (Mac-cmd+i) reverse the resulting channel graph and check for areas in the previous step where the brush has missed. If there is, black stains in the white area will be very obvious, quickly use a white brush to paint off it!

Hold down Ctrl (Mac for CMD) and click on the thumbnail of the channel to load the selection. Restore the original RGB channel visibility, back to the layers of the palette to copy the selection to the new layer, hide the original layer, to observe the pull out of the Meng sister paper in the transparent background on how the effect, seemingly also line.

In this way, we use the modified channel to make the selection of the almost perfect hair silk, but not enough. Will pull out of the sister paper on the background of the attitude, zoom in and carefully observe sister paper hair Edge has a light-colored translucent area, especially in the picture affixed to a dark background on the situation, there will be a gray and gray feeling very uncomfortable. It's fun to handle this bug, we can choose to use the Burn tool, set the range to high light, and then gently smear (reduce opacity and concentration) sister paper hair edge, gray edge problem solved.

　　Tip Two: A picture with a complex background

Channel-gouging is a good way to handle a simple background picture from a studio, but it's a bit difficult to deal with a picture with a complex background.

In the PS open this photo, you can see the picture of the uncle and the background has a good contrast, but the top of the head a few poke handsome curly hair and the background of the fusion is too high, slightly show the pit dad.

First use the Pen tool to hook up the clear edge of the contour, in the hair of the edge of the area we only need to tick out a general, details to be dealt with later.

On the edge of the hair, just outline the more accurate part of the hair, and the fringe that blends with the background will not be hooked up for the time being, otherwise the mixing area will blow things up later.

The shortcut key Ctlr+enter converts the path to a selection, Shift+f6 feather 0.2px to avoid a stiff edge, copying the selection section to the new layer. Reduce the transparency of the original layer to ensure that the contour of the extension hair can be seen.

Here's the fun part! Apply the Smudge tool to the hair edge area of the new layer and use the contour of the hair as a reference to hand-draw the missing hair of the right uncle. Start with a 4px brush to enrich the current dense hair area, while filling the hair gap caused by the path outline. At this time, if there is a wacom drawing board of course it will be more convenient, and can make changeable hair thickness. If the pure mouse operation, of course, no problem, professional repair is not care about the tool Oh ~

The new painted hair soon let this is the uncle's hair to long qi, looks good! But this time the small flat head of the uncle seems to stay slightly ... In order to make his hairstyle more handsome, we can also use a smaller radius of the brush to repeat the operation, draw those who have the type of curly hair, so that his hairstyle sexy up, there are wood!

For example, we can use the 2px smudge tool in different directions to paint uneven hair to enhance the reality of the feeling.

OK, finally this half pull half draw out of the picture can easily change the background, no Shong sense have wood!

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