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Apply Unsharp Mask To CMYK Images

 

If you’ve already converted your image to CMYK mode and you want to quickly sharpen your image without introducing color shifts or halos, go to the Channels palette (under the Window menu), click on the Black channel, and apply your Unsharp Mask there. Applying the filter just to the Black channel will enable you to apply a higher level of sharpening without damaging the image.

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Vanishing Point and 3D

While working in the Vanishing Point filter, you can create a multi-plane grid and return the part of the image contained in the grid back to Photoshop as a 3D layer (choose Return 3D Layer to Photoshop from the flyout menu). Once it is a 3D layer, you can move the object around in three dimensions using Photoshop’s 3D tools.

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