To attain more visual for an image it is indeed of enhancing the regions. In order to achieve, this paper focuses on various kinds of enhancements and discussed with their pros and cons. Further, describes an extensive approach of Frequency Domain Based image enhancement. Applicative areas were cleanly measured and enhanced details with their change of PSNR parametric values were discussing here in particular on curvelet with cycle spinning.
Pooneh Bagheri ZadehAkbar Sheikh-Akbari