There are three key methods to choose a good hair: first, use "Select the subject" and "Refine the edges" to quickly obtain the natural edges, second, when the background is complex, select and enhance the details of the hair through the channel, and finally manually select the missing parts to ensure accuracy. The specific operation is: first use the object selection tool to frame the character and click "Select Subject", then enter "Refine Edge" to adjust the smoothness, contrast and intelligent radius; if the hair is close to the background, open the channel panel to copy the strongest contrast channel, enhance the black and white contrast and load it into the selection area and subtract the subject area in reverse; finally use the lasso tool or brush to combine the feathering 1 to 2 pixels to manually repair the details of hats, ears, etc., and enlarge and check the end of the hair and the back of the neck to ensure that the final effect is natural and real.
Choosing good hair is the most critical step in many photo editing work, especially when cutting pictures, changing backgrounds or refining characters. Photoshop provides a variety of tools to handle hair, but it still needs to be used with the method.
Use Select body Refine edges
This is one of the most labor-saving but easiest ways to achieve results at present. First use the "Object Selection Tool" or "Quick Selection Tool" to frame the character, and then click "Select Subject", and PS will automatically recognize and select the character subject. Then click "Refine Edge" to enter the detail adjustment interface.
- Adjusting "smooth" and "contrast" can make the edges more natural.
- Check "Smart Radius" and add the value appropriately to allow the software to automatically judge based on the complexity of the edge.
- Finally, you can switch to "Output to: Selection" or "Output to: New Document/Layer" to see what you are trying to do.
This method is suitable for photos with clearer hair and clean background. If the background is too messy, you may also need to manually select by-choice.
Cooperate with channel selection to deal with complex hair
Sometimes, such as the hair color is close to the background, or there are fluttering thin filaments, it is not enough to rely on "selecting the subject". You can use "channel" to assist in selection.
- Open the "Channel" panel and observe which of the three channels, red, green and blue, has the strongest comparison.
- Copy that channel and enhance black and white contrast with color levels or curves.
- Then press and hold Ctrl (Windows) to click on the channel thumbnail to load the selection.
- Return to the layer panel and use this selection to reversely subtract the previous "select subject" area to preserve hair details.
This step is a little troublesome, but it is very helpful for fine processing, especially when making e-commerce portraits or advertising pictures.
Manually by-election if necessary
No matter how smart the AI is, there are always some places that require manual adjustment. For example, characters wear hats, hair covers ears, or small hair blown by the wind.
- Manually add missing parts using the Lasso Tool or Brush Selection.
- If the hair is particularly thin, you can turn on the "feather" a little (1~2 pixels) to avoid being stiff.
- Enlarge the picture and check it, especially the areas where the end of the hair and the back of the neck are prone to leakage.
Don’t be afraid of spending time. Whether this part is done well directly affects whether the final effect is real or natural.
Basically, there are only a few steps: first use automatic tools to base the base, then combine it with the channel to improve the accuracy, and finally manually make up for leaks. It's not difficult, but you can't be careless in every link.
The above is the detailed content of How to select hair in Photoshop. For more information, please follow other related articles on the PHP Chinese website!
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