materials】 【PS Basics channel button map
Basics
channel button map
channel deduction of Principle: Channel are: color channel, ALPHA channel, and spot color channels. ALPHA channel which is used to store constituency, ALPHA channel is white with a black to the middle of the 8-bit grayscale will select Save. Instead, we can use ALPHA channel in black and white contrast to create constituencies that we need. (ALPHA channel is to select the white area)
Levels can be adjusted with the image of the shadows over the middle tones and highlights strong ground level, the tonal range of image correction and color balance. Levels we can to increase the contrast of black and white images using this to determine the selection.
open access panel.
We first red, green, and blue channel, select a color copy of this passage is more obvious here, I chose the blue channel.
2. points Image → Adjustments → Levels
small black triangle will move to the right to adjust the color levels and dark tones in the white of the small triangle to the left, adjust color levels as a way to bright colors to the characters and background images color separation, you can also input levels above 135 1.00 195.
3. People have essentially the outline of the background and then we separate the people inside with a brush tool to apply the white to black.
4. points Image → Adjustments → reverse some of the characters into the white area is selected.
5. point of access panel below the \
6. constituencies has been finished, and then paste the command editing characters picked out.
Cutout eight methods
one: matting method
lasso lasso tool is actually free, hold down the left mouse button to draw the diagram any closed line, inside the dotted line is your constituency. Generally use it to pull the requirements are less strict or broad areas.
II: a simple method
methods filter out matting a:
1) Open the material picture - to Filter - out of order. In the pop-up prompt box, select (highlight tool edge) . the graphic circle to buckle up (closed) to select a smaller brush = 2.
Note: This step must be patient, as much as possible and large Meinv distance with the edge of Athena!
2) re- Executive - Fill tool, select the larger brush = 45. to fill. and then determine.
3) Back layer, using the move tool to hold large Meinv two trees to the background material. here you can use a rubber wiping tool to be modified to pull out of the map. Merge Visible. save the upload to.
Method Two:
one, open the material of a background layer → Open → Background Copy material II, first leave it aside.
Second, select the background copy layer → ctrl + i reversed (to pull the big Meinv hair) → to Filter → out , check the \and drag the top tick → People with the pen tool contours → ctrl + enter the outline into constituencies → → Add Layer Mask Flexible Brush the edges of the mask slightly dilute the blunt edge of the painting.
Four: Use the move tool to hold large Meinv picture to the background material II. Merge Visible. save the upload to.
These two methods are actually the same, the first fast, but not fine. The second is slower, but finer.
three: the magic wand matting method
Scope: clear color images and background color,
北京团购网, background color, single image boundaries clear.
method intentions: to obtain by removing the background color of the image.
method deficiencies: complex and scattered on the background of the hair did not use
first to open a Photoshop background color of the image, in the toolbox, select the \set under the options bar.
☆ tips ☆
☆ \\
☆ \large,
qq团购, the choice of color and click on the color difference at the larger, the greater range of choice. Here we use the default value of 32.
☆ select the \The \If the background has not been selected, we then select the option bar \At this time all the background has been selected on the keyboard
press \perform the operation.
IV: Path matting method
1 Select the Pen tool. above the path is set to 22) and detailed with the Pen tool to hook on her, in fact, no path tool skills,
3. is complete, select the path panel. point (the path as a selection to load)
4. back layer, the implementation of - Select - Feather = 1
Fifth: magic rubber matting method
in the tool bar, magic eraser (Magic Eraser Tool), Eraser tool (Eraser Tool), the background eraser (Background Eraser Tool ;) placed in the same group. Double-click the icon to select the Magic eraser (Magic Eraser) and show it's settings options (in the Magic Eraser Options panel.)
Options panel Tolerance (tolerance) parameter is very important,
长沙团购网, tool it with the magic wand Tolerance (tolerance) parameters, it is used to control the color range, Tolerance greater rub In addition to the wider range of colors, keying the lower accuracy; and Tolerance parameters of the smaller, magic eraser on the color similarity of the requirements of the higher, erasing some of the range will narrow,
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Opacity (opacity) parameter determines the strength of the magic eraser, when this parameter is 100%, the erased part becomes completely transparent; and smaller Opacity parameters can be get a translucent background.
select Use All Layers option means that the magic eraser to act on all visible layers, otherwise, only the currently active layer in a partially erased. By default, this parameter is not selected.
Control Panel Anti-alias entries can effectively remove the jagged edges.
select Contiguous, the magic eraser and you click the mouse, just wipe away the location of adjacent regions, and cancel the option, within the scope of all colors in the image area will be rubbed go.
do not look above the word a lot, it seems a lot of trouble, in fact, simple to word: (point magic eraser - point to erase the background layer. OK)
original and effect:
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Sixth: Channel matting method
1. Start PS-> channels,
团购网站大全, each channel are a total of 4 RGB-red - green - blue, green copy the channel to produce the green copy.
2. using ctrl + M to distinguish between characters and background, we will become a plain background color.
3. Next will be a good green copy of the channel modified copy, and then generate a copy of the green channel 2 First, use the ctrl + I to access the new anti-color, and then continue to use the ctrl + M after the anti-green color 2 copies of the operation.
Note:
(1) For the black part of the internal characters, including the face, but also a non-constituency, with the eraser tool, foreground color set to black,
团购导航, the background color is white, some black areas will not be wipe.
(2) for the white people the outside, so as to make the eraser tool set to white foreground color, background color is black, some white areas will not be erased. Open the material II. use Mobile tools out of the picture
seven: the color range method matting method
Scope: clear color images and background color, background color, single image, no background color.
method intentions: The background color to matting. Methods
defects: an image with the background color does not apply.
use:
1 pick up background color of straw color;
2 Click the menu \hook, sure after the selected images.
VIII: Mask Cutout mask and rapid method
1, open a picture, then use the pen tool to tick
2. press ctrl + Enter key (or in the path panel, press ctrl + click the path; or click the panel following a \Mobile tools merge visible layers, save upload.
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