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About: Focus recovery based on the linear canonical transform     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Thing100002452, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatOpticsyago:BodyPart105220461yago:Eye105311054yago:Organ105297523yago:Part109385911yago:PhysicalEntity100001930diseaseyago:SenseOrgan105299178yago:Thing100002452 New Facet based on Instances of this Class

For digital image processing, the Focus recovery from a defocused image is an ill-posed problem since it loses the component of high frequency. Most of the methods for focus recovery are based on depth estimation theory. The Linear canonical transform (LCT) gives a scalable kernel to fit many well-known optical effects. Using LCTs to approximate an optical system for imaging and inverting this system, theoretically permits recovery of a defocused image.