- Category:
- Special Effects
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- File Size:
- 340kb
- Update:
- 2014-03-22
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- Uploaded by:
- 孙红娟
Description: Curvature Driven D iffusions( CDD) model is proposed he re. Because the Partial D iffe rentia l Equa
tion( PDE) of CDD model is high order equation as its curvature item, in wh ich, much iterative ca lculation is in need
to num er ica lly so lve the PDE and th is leads tom uch tim e consum ing. To inpa int the dam aged im ag e rapidly, a we igh
ted m ean equa tion is got by mod ify ing the num erica lPDE of CDD model firstly, then the new p ixe l is produced by in
terpo la ting the dam aged pix elw ith its ne ighborhood pixels w eigh ted m ean, the we ighted factors are decided by grad ient
and curvature item s. This can m ake interpo la tion pro cessed accord ing to isophote d irection, and the isopCurvature Driven D iffusions( CDD) model is proposed he re. Because the Partial D iffe rentia l Equa
tion( PDE) of CDD model is high order equation as its curvature item, in wh ich, much iterative ca lculation is in need
to num er ica lly so lv
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