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picture1_Image Enhancement Pdf 181380 | Dobes Item Download 2023-01-30 20-52-18


picture2_Image Enhancement Pdf 181380 | Dobes Item Download 2023-01-30 20-52-18 picture3_Image Enhancement Pdf 181380 | Dobes Item Download 2023-01-30 20-52-18

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File: Image Enhancement Pdf 181380 | Dobes Item Download 2023-01-30 20-52-18
IMAGE ENHANCEMENT USING WIENER FILTRATION M. Dobes, V. Sklena, Z. Dobesova Faculty of Science, Placky University Olomouc Abstract The degradation of a photographic image can be caused by many factors ...

icon picture PDF Filetype PDF | Posted on 30 Jan 2023 | 2 years ago
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...Image enhancement using wiener filtration m dobes v sklena z dobesova faculty of science placky university olomouc abstract the degradation a photographic can be caused by many factors such as geometric distortion or blur is often wide angle lens movement camera during capture photographed subject when long exposure time used in this paper we present filtering an effective linear deblurring approach principles filter deconvolution degraded approximately described expression g h n where blurred operator f original and additive noise space domain represented psf point spread function that describes convolved with undegraded creates reversing process effect convolution called done frequency becomes simple matrix multiplication optical transfer otf fourier transform it response position invariant system to impulse convert into vice versa you use matlab functions psfotf otfpsf respectively restoration task find estimate best usually u power spectrum performs sense minimizing least squares e...
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