2016
DOI: 10.1109/tvcg.2015.2446493
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Blob Enhancement and Visualization for Improved Intracranial Aneurysm Detection

Abstract: Several researches have established that the sensitivity of visual assessment of smaller intracranial aneurysms is not satisfactory. Computer-aided diagnosis based on volume rendering of the response of blob enhancement filters may shorten visual inspection and increase detection sensitivity by directing a diagnostician to suspicious locations in cerebral vasculature. We proposed a novel blob enhancement filter based on a modified volume ratio of Hessian eigenvalues that has a more uniform response inside the … Show more

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Cited by 32 publications
(13 citation statements)
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“…The latrunculin-treated cells showed a surface topography that contained short stretches of curvilinear elevations as well as disorganized blob-like chunks of membrane with varying sizes. To detect both types of structures, two detection filters to each raw image were separately applied, one for curvilinear structures [64] and one blob-shaped structures [65]. To detect structures of different sizes, each filter was applied at multiple scales, using sigma values of 1 and 2 for the curvilinearity filter and sigma values of 1, 2 and 3 for the blob filter.…”
Section: Methodsmentioning
confidence: 99%
“…The latrunculin-treated cells showed a surface topography that contained short stretches of curvilinear elevations as well as disorganized blob-like chunks of membrane with varying sizes. To detect both types of structures, two detection filters to each raw image were separately applied, one for curvilinear structures [64] and one blob-shaped structures [65]. To detect structures of different sizes, each filter was applied at multiple scales, using sigma values of 1 and 2 for the curvilinearity filter and sigma values of 1, 2 and 3 for the blob filter.…”
Section: Methodsmentioning
confidence: 99%
“…Based on the Hessian matrix eigenvalue attributes of 3D images, different filters can be constructed to enhance a specific shape structure. In this paper, inspired by the method proposed by Jerman [ 31 ], we used an enhancement filter that combines these eigenvalues to detect intracranial aneurysms as follows: where denotes at scale s ; the minimum of all is computed to find the eigenvalue with the highest magnitude. The value of determines the response intensity of the filter.…”
Section: Methodsmentioning
confidence: 99%
“…Orientation of detected neurites for each image (Figure 2C ) was calculated using a custom algorithm, which was kindly supplied by Biomedical Engineering and developed by Stefan Mariën at the Eindhoven University of Technology; this algorithm is based on the Frangi vesselness filter ( Frangi et al, 1998 ). Algorithms based on the Frangi vesselness filter have previously been used to measure collagen fiber orientation ( Foolen et al, 2012 ; van Spreeuwel et al, 2014 ), and scripts are available based on medical image improvement filters such as with 2D and 3D angiographic images ( Jerman et al, 2016a , b ). In brief, the Frangi vesselness filter uses the Hessian, which is a matrix of second-order partial derivatives, of a Gaussian kernel convoluted with a presented image to calculate eigenvalues and thereby locally determines vesselness likelihood.…”
Section: Methodsmentioning
confidence: 99%