How to smooth jagged edges in a warped image?

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Vatsal Shah
Vatsal Shah on 9 Nov 2016
Edited: Vatsal Shah on 9 Nov 2016
I am using imwarp to do a projective transform but smooth edges in the original image are getting jagged in the warped one. Am already using cubic interpolation. Is there any way to fix this?
Original image
Warped image
You can see the boundary edges and the edges of the letters are jagged.

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