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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.4
- 수록면
- 136 - 143 (8page)
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초록· 키워드
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Image deblurring by a deconvolution method requires accurate knowledge of the blur kernel. Existingpoint spread function (PSF) models in the literature corresponding to lens aberrations and defocus are eitherparameterized and spatially invariant or spatially varying but discretely defined. In this paper, aparameterized model is developed and presented for a PSF which is spatially varying due to lens aberrationsand defocus in an imaging system. The model is established from the Seidel third-order aberrationcoefficient and the Hu moment. A skew normal Gauss model is selected for parameterized PSF geometrystructure. The accuracy of the model is demonstrated with simulations and measurements for a defocusedinfrared camera and a single spherical lens digital camera. Compared with optical software Code V, thevisual results of two optical systems validate our analysis and proposed method in size, shape and direction.
Quantitative evaluation results reveal the excellent accuracy of the blur kernel model
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
D. J. Simpkins / 2014 / Parameterized modeling of spatially varying optical blur, / Journal of Electronic Imaging 23:013005
M. Born / 1999 / Principles of Optics / Cambridge University Press
N. Joshi / 2008 / PSF estimation using sharp edge prediction / in Proc. IEEE Conf. Computer Vision and Pattern Recognition :24~26
J. Brauers / 2010 / Direct PSF estimation using a random noise target / Proc. SPIE 7537:75370B
J. Wang / 2012 / Third-order aberration fields of pupil decentered optical systems / Opt. Express 20:11652~11658
M. Born / 1999 / Principles of Optics / Cambridge University Press
N. Joshi / 2008 / PSF estimation using sharp edge prediction / in Proc. IEEE Conf. Computer Vision and Pattern Recognition :24~26
J. Brauers / 2010 / Direct PSF estimation using a random noise target / Proc. SPIE 7537:75370B
J. Wang / 2012 / Third-order aberration fields of pupil decentered optical systems / Opt. Express 20:11652~11658
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