How to replace the photo background with Photoshop

Replacing a photo background with Photoshop is one of the basic features that everyone needs to know when using this professional photo editing software. If you still do not know how to replace the background of an image with Photoshop, let’s follow the article How to change the background image in Photoshop below.

Photoshop is a commonly used professional photo editing software with lots of useful features to help us edit photos. You can also Replace photo background with Photoshop turn desert wallpaper into beach, turn unwanted wallpaper into beautiful wallpaper.


The easiest way to replace a photo background with Photoshop is to separate the object to keep and the background. Photoshop has a lot of different tools that allow us to do that, but in this article will use the tool. Quick Selection in Photoshop CC 2017.

Step 1: Select objects to retain

You choose the tool Quick Selection Tool on your left-hand toolbar, or you can use keyboard shortcuts W. Click and drag to select the area you want to keep, Photoshop will automatically predict the area you want to keep based on the level of contrast of the image. In this example we will keep the girl in the image.

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Before proceeding, you can resize the image in Photoshop to better fit the background image to merge later, the image resizing tips on Photoshop is quite simple, you can refer here. Resize photos on Photoshop

You can also select the background to be deleted instead of selecting the object to retain because for some photos the background selection will be easier than selecting the object to retain. You use the keyboard shortcut Shift + Ctrl + I on Windows or Shift + Cmd + I on Mac to reverse the full region.

Finally you will see the selection, but there may be areas of detail you do not want to select but still selected. This is normal because Photoshop is only predictable, we will edit these details in the second step.

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Step 2: Adjust the selection details retain

To adjust the selection details you have selected, you enlarge the image and choose the size of the smaller brush to suit the editing of the details by entering select in the upper toolbar.

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You can now select and adjust the selected area in more detail … or choose to remove unwanted selections by holding down the ALT and click.

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Step 3: Mask the image using the Select and Mask tool

Purpose of using the tool Select and Mask is to help clearly show the area you have selected, from which you can refine the selection 1 most accurately. You will find the Select and Mask tool just above the screen.

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The result is that the image showing only the selected part, the selected part will be converted into a “mask” with a completely different color and contrast with the selected part.

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On the left is the dialog box Properties, part View mod will allow you to select the mask type. You choose which side you can see the best. With me, In White Perhaps the ideal option for you, you can press the button F to switch between different types of masks during fine-tuning.

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Step 4: Refine the selected area

Now you continue to refine and select other details like hair or other soft edges. You can select different tools on the left side toolbar such as:
Quick Selection Tool: Tools like we used in step 1, this tool can help you quickly adjust or remove the selection on your photos

Refine Edge Brush Tools: This tool will be used to refine areas such as hair strands or other soft edges

Brush Tool: Used to adjust the hard edges on images

Laso / Polygonal Lasso Tool: This tool will help you draw manual areas to add or remove parts of the selection.

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You can now enlarge your photo by holding down the key Alt and Roll the mouse over. You will see that the selection is not very accurate, the place is missing or redundant. Use the tools above to refine and complete your retention selection.

Step 5: Adjust settings

In the tool Select and Mask There is another item that can be used to adjust another selection Global Refinements. Some of the main features of this item are

Smooth: Smoothing the boundaries of the selection, removing zigzag lines. Apply well to selections with clean borders.

Feather: Softens the boundary of the selected area.

Contrast: Increases the contrast of the selection, only applies high efficiency when combined with the Feather bar.

Shift Edge: Expand or collapse the selection. When dragging the bar to the left, the selection is narrowed and when dragged to the right, the selection is expanded.

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Step 6: Remove background

After you have finished refining the selection, you select the tick Decontaminate Colors in section Output Settings. Section Output to Normally the auto-select is New Layer with Layer Mask, if not automatically selected then you choose offline.

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Finally, just click Ok, got it is done

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Step 7: Paste a new wallpaper image

Next you paste the new background for the photo. Place it on the bottom of the image containing the object we keep above

You can use the tool Move Tool (shortcut keys V) to move a new background image or object to retain how it fits together. You can also use the tool Free Transform (keyboard shortcut Ctrl + T or Cmd + T), hold Shift to keep the proportions evenly.

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Step 8: Match the colors

The final step is to correct the color of the subject and the background blood to match each other. Select the Layer containing the object then select on the menu item Image => Adjustments => Match Color

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In the dialog box Match Color, you come Source and choose Photo contains new background. You choose Neutralize To remove all color casts from selected layer and adjust 2 bars Luminace and Color Intensity so that objects and background images are similar colors. You can reduce the color effect by using Fade necessary. Finally click Ok, got it to complete.

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After changing the image background with Photoshop, you can sharpen the image of the mine, the steps of image sharpening in Photoshop have been carefully shared by Taimienphi.
Above is the guide to replace the background image with Photoshop. You save the image after you are satisfied, you should save as PSD to be able to retain the entire editing process in case you want to change another background image. Hopefully, through this article, you can understand the steps for changing a photo based on Photoshop. Good luck


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