NAECON 2014 - IEEE National Aerospace and Electronics Conference 2014
DOI: 10.1109/naecon.2014.7045786
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No-reference multi-scale blur metric

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Cited by 6 publications
(6 citation statements)
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“…A small threshold will produce a sharper signal but there is a higher chance that it will be noisy. A larger threshold will produce a smoother signal but there is a higher chance that it will be blurry [7]. The thresholding of wavelet coefficients is usually only applied to the detail coefficients rather than the approximation coefficients.…”
Section: G Thresholdingmentioning
confidence: 99%
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“…A small threshold will produce a sharper signal but there is a higher chance that it will be noisy. A larger threshold will produce a smoother signal but there is a higher chance that it will be blurry [7]. The thresholding of wavelet coefficients is usually only applied to the detail coefficients rather than the approximation coefficients.…”
Section: G Thresholdingmentioning
confidence: 99%
“…c 1 is defined below ( 7 ) where L is the dynamic range of the signal values (0 to Max ) and K 1 is a small consant less than one. The constrat comparison function takes a similar form to the luminance function.…”
Section: Structural Similarity Indexmentioning
confidence: 99%
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“…This research has resulted in many alternative transforms such as the Ridgelet transform [31], Contourlet transform [32], double-density DWT [33,34], dual-tree DWT [35,36,37], and the combined D3TDWT [38]. Some of these such as the Contourlet transform have shown promise for detecting edge width as we intend to do in this work [39]. For this paeper, we focus on the useful traits of the D3TDWT for isolation of edge widths in an image.…”
Section: Introductionmentioning
confidence: 99%
“…A graphical representation of the D3TDWT metric. Many approaches have been tried to determine the blur content that we have been investigating for various applications including the gradient DWT transform [40], coutourlet [41], and curvelet. For the experiment, we were interested in the promise of the D3TDWT for blur analysis.…”
Section: Introductionmentioning
confidence: 99%