Rough Edge (using Masking)

1. Open an image.

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2. Using Rectangular Marquee tool, make rectangular selection carefully around the main, center part of an image.

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3. Press "Q" to activate Quick mask Mode

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4. Filter > Brush Strokes > Spatter
(Spray Radius: 10 Smoothness: 5)

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5. Press "Q" again to Edit in standard mode. This will convert quick mask into selection. Select white color for background.

6. Select > Inverse (Press Del to delete selected portion )

7. Press Ctrl + D to deselect the selection.

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