The model and the background in this example contain similar colour values and hardly stand out against each other. If this is the case, you have to define the main subject manually and exclude it from the scaling. In both cases, Photoshop has difficulties detecting the main subject. This can happen when the background is busy or when the background and the subject have similar colour values. There are many photos where content-aware scaling does not immediately produce a satisfactory result. Content-aware scaling of complex subjects
For the content-aware scale function to deliver good results, the subject should be clearly separated from the background. Note: When scaling in Photoshop, the result depends on the photos you are using. Therefore, only the sky in the background is stretched but not the blossoms. The content-aware scale function does not change all pixels in the same manner but only those pixels that do not carry important content. Photoshop is capable of detecting the cherry blossoms. In our example, the main subject is clearly separated from the homogeneous background. This function is easy to implement with simple subjects and a clear or uni-coloured background. Drag a handle on the bounding border to scale the image.
When you click the function, Photoshop will show a bounding border around the photo. The content-aware scale command is located in the Edit menu. Choose Image Canvas Size to specify your desired size. In the next step, you have to set the specified size of the photo by adjusting the canvas size of the photo. The fastest way to achieve this is by double-clicking the background layer. How to scale simple subjects in Photoshop Step 1: Resolve the background layerĪfter you have opened the subject in Photoshop, you should first remove the background layer. But being quick and easy to use, the content-aware scale function is definitely worth a try for all kinds of photos.īelow, we will illustrate how the function works and which trick you can use to expand it. The function works best on photos with a clear separation between the subject and the background. The final result is strongly dependent on the subject and is not always ideal. Unlike normal scaling in Photoshop, this tool accounts for important visual content and tries to preserve it. This powerful feature may be new to some users. With version CS4, Photoshop introduced the content-aware scale command to remedy this problem. Fill / scale areas: The main subject remains unchanged the background is scaled.
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