1. Open an image.
2. Using Elliptical Marquee tool, make elliptical selection carefully around the main, center part of an image.
3. Press "Q" to activate Quick mask Mode
4. Filter > Stylize > Extrude
( Type: Blocks Size: 30 Depth: 30 Random )
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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