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issue defocusing background
Hello, i’m trying to apply a lense blur effect to the background of a photo. I’ve cut out my foreground subject and composited above my background layer, but when I blur the background layer, the some of my foreground subject spills into the background creating an unwanted halo effect. The only thing I can think of would be to clone out my foreground subject before blurring, but this is a bit time-consuming. Is there a better way to avoid this?
an example of my problem here: https://www.photoshopnerds.com/images/blossoms_07.jpg
Notice how the pink flower has a pink halo around it.
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4 Replies
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WHat you have to do is on the background layer use the same selection you used to create a cutout of the flower and then modify the selection (Selection>Modify>Expand) to grow it so it nows includes some of the green around the flower. Then go to Edit>Content aware fill. If not available just use the clone tool (but in this case do not expand more than 2 pixels) and clone the outside of the object onto the inside (you are using the selection so you will only affect the area where the object was. Basic idea is that you want to erase a whole that would be left by your object. This way when you apply blur to your background (don’t forget to deselect when done) there is no object pixels to “bleed out” from underneath the top layer
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are we talking about photoshop or davinci? if davinci then just use secondaries on background layer to make your object the same color as the background. LImit by a window if needed.
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Try using the HSL Qualifier only on the background, to change magentas into greens
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oooo content aware fill! genius!
Thanks Dmitry!
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