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  1. #1
    WDF Staff smoseley's Avatar
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    Adjust Perspective in an Image
    Ok, so you have an image that has some blotched perspective in it.... well here's an easy 6-Step way to correct the problem, with figures following in my follow-up posts.

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  3. #2
    WDF Staff smoseley's Avatar
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    Step 1
    Open up your image in Photoshop (I'm using version 6). In this image, notice the problem area... it's the railroad tracks, which differ in perspective from the Train.
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    WDF Staff smoseley's Avatar
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    Step 2
    (Optional) If your image is not cut up into layers, you will have to separate the section that you want to fix. To do that, take the Polygonal Lasso Tool and make a selection area around the problem area, making sure to keep the bounds pretty tight.
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  5. #4
    WDF Staff smoseley's Avatar
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    Step 3
    Hit Ctrl+C then Ctrl+V to copy and paste the selected area in a new layer over the image.
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  6. #5
    WDF Staff smoseley's Avatar
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    Step 4
    Hit Ctrl+T to apply a transform to the new layer. You will see a bounding box appear around the selected region (or the entire layer if there is no selected region, as you see here).
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  7. #6
    WDF Staff smoseley's Avatar
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    Step 5
    Hold Ctrl+Click&Drag the corners of the bounding box to apply a trapezoidal skew to the bounding box and its contents. Skew the image until its perspective matches that of the rest of the image. The best way to get correct perspective is to visualize a "horizon" and "vanishing point" in the image (which may lie outside the boundaries of the physical piece), where all lines intersect. Make the lines of the section you're adjusting also intersect at that point. Once you're done, hit Enter to accept the changes
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  8. #7
    WDF Staff smoseley's Avatar
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    Step 6
    Now you've got a completed image. If you cut and pasted part of the image onto a new layer to adjust, you'll see the original version of it below. We'll want to clean that up.
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  9. #8
    WDF Staff smoseley's Avatar
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    Step 7
    (Optional) Use whatever tools (I used airbrush and clone stamp) to fill in the parts of the original image that are now visible because of the adjustments made. Try to make them fit into the original scheme by using colors / textures that exist in their proximity.

    That's it !!!
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