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231224s2015 xx |||||o 00| ||eng c |
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Woo, Jonghye
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Multimodal registration via mutual information incorporating geometric and spatial context
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| 264 |
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1 |
|c 2015
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 21.10.2015
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| 500 |
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|a Date Revised 23.03.2024
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| 500 |
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|a published: Print
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| 500 |
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|a Citation Status MEDLINE
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| 520 |
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|a Multimodal image registration is a class of algorithms to find correspondence from different modalities. Since different modalities do not exhibit the same characteristics, finding accurate correspondence still remains a challenge. To deal with this, mutual information (MI)-based registration has been a preferred choice as MI is based on the statistical relationship between both volumes to be registered. However, MI has some limitations. First, MI-based registration often fails when there are local intensity variations in the volumes. Second, MI only considers the statistical intensity relationships between both volumes and ignores the spatial and geometric information about the voxel. In this work, we propose to address these limitations by incorporating spatial and geometric information via a 3D Harris operator. In particular, we focus on the registration between a high-resolution image and a low-resolution image. The MI cost function is computed in the regions where there are large spatial variations such as corner or edge. In addition, the MI cost function is augmented with geometric information derived from the 3D Harris operator applied to the high-resolution image. The robustness and accuracy of the proposed method were demonstrated using experiments on synthetic and clinical data including the brain and the tongue. The proposed method provided accurate registration and yielded better performance over standard registration methods
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, N.I.H., Extramural
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| 700 |
1 |
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|a Stone, Maureen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Prince, Jerry L
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 24(2015), 2 vom: 23. Feb., Seite 757-69
|w (DE-627)NLM09821456X
|x 1941-0042
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| 773 |
1 |
8 |
|g volume:24
|g year:2015
|g number:2
|g day:23
|g month:02
|g pages:757-69
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| 951 |
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|a AR
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| 952 |
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|d 24
|j 2015
|e 2
|b 23
|c 02
|h 757-69
|