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Date Name Thumbnail Size Description Versions
03:54, 30 August 2011 NAMIC Flow Chart.pdf (file) 2.18 MB The proposed workflow. The raw image stacks are processed through a series of transformations, cropping, and MRI bias correction. The pipeline yields cropped, registered pre- and post-ablation volumes. The transformation matrix of the registration step 2
04:03, 30 August 2011 NAMIC Flow Chart.png (file) 683 KB Proposed CARMA Registration Pipeline. This diagrams the proposed pipeline for registering the pre- and post-ablation images. The current state (8.29.11) of the Slicer code is denoted by the red, dashed bounding box. 1
00:11, 9 November 2011 Good Registration CARMA.pdf (file) 79 KB An example of generally good registration of both the LA wall and PVs on a patient's pre- and 3 month post-ablation DEMRI scans. 1
00:19, 9 November 2011 Good Registration CARMA.png (file) 165 KB An example of generally good registration of both the LA wall and PVs on a patient's pre- and 3 month post-ablation DEMRI scans. 1
00:23, 9 November 2011 Septal MisReg CARMA.png (file) 224 KB An example of the pre- and post-ablation images from the same patient that were registered with the BrainsFit module. The registration was good except along the septal surface (arrows). 1
00:27, 9 November 2011 PV MisReg CARMA.png (file) 229 KB Affine and rigid registration (BrainsFit module) of the same patient's pre- and post-ablation scans improved the alignment of the PVs, but sufficient overlap of the corresponding PV structures was not achieved. 1
00:49, 9 November 2011 PV Reg Movie CARMA.mov (file) 1.74 MB   2
00:51, 9 November 2011 Septal Reg Movie CARMA.mov (file) 1.14 MB A short movie showing a linear blend from the registered pre-ablation DEMRI scan to the post-ablation scan. The main region of misregistration in this image pair is the septal wall of the LA. 1
21:09, 9 November 2011 Good Checker CARMA.png (file) 394 KB A combination of the registered whole-body pre- and post-ablation DEMRI images, where the lighter checkers represent the pre-ablation image. Good registration of the LA structures was seen. 1
21:12, 9 November 2011 PV Checker CARMA.png (file) 402 KB A checkerboard filter derived image of registered pre- and post-ablation images showing poor alignment of the PVs. 1
21:13, 9 November 2011 Septal Checker CARMA.png (file) 403 KB Checkerboard filtered image of an image where the septum of the LA was misregistered between the pre- and 3 month post-ablation images. 1
08:25, 29 November 2011 CARMA GAT Endo.png (file) 220 KB Segmentation of an atlas image by GA Tech 1
08:25, 29 November 2011 CARMA UT Endo.png (file) 223 KB Segmentation of an atlas image by Utah. 1
08:26, 29 November 2011 CARMA Diff Endo.png (file) 25 KB The difference in segmentations of an atlas image by Utah (green region) and GA Tech (white region). 1
08:39, 29 November 2011 CAMRA N25 LGE.png (file) 254 KB Auto-segmentation mask and cropped LGE image example. 1
08:39, 29 November 2011 CAMRA N26 LGE.png (file) 260 KB Auto-segmentation mask and cropped LGE image example. 1
08:39, 29 November 2011 CAMRA N26 2 LGE.png (file) 295 KB Auto-segmentation mask and cropped LGE image example. 1
08:43, 29 November 2011 CARMA N26 2 LGE.png (file) 295 KB Auto-segmentation mask and cropped LGE image example. 1
08:43, 29 November 2011 CARMA N26 LGE.png (file) 260 KB Auto-segmentation mask and cropped LGE image example. 1
08:44, 29 November 2011 CARMA N25 LGE.png (file) 254 KB Auto-segmentation mask and cropped LGE image example. 1
08:45, 29 November 2011 CARMA N26 2 Endo.png (file) 15 KB Auto-segmentation mask (green) and the expert-defined manual segmentation (white) of the blood pool. 1
08:45, 29 November 2011 CARMA N26 Endo.png (file) 13 KB Auto-segmentation mask (green) and the expert-defined manual segmentation (white) of the blood pool. 1
08:45, 29 November 2011 CARMA N25 Endo.png (file) 12 KB Auto-segmentation mask (green) and the expert-defined manual segmentation (white) of the blood pool. 1
08:47, 29 November 2011 CARMA N24 Endo.png (file) 9 KB Auto-segmentation mask (green) and the expert-defined manual segmentation (white) of the blood pool. 1
08:47, 29 November 2011 CARMA N24 LGE.png (file) 213 KB Auto-segmentation mask and cropped LGE image example. 1
18:24, 29 November 2011 CARMA N19 Atlas Endo.png (file) 10 KB Mask of endocardial segmentation of an atlas image (red) overlaid on the expert-derived segmentation (white). 1
18:26, 29 November 2011 CARMA N19 Atlas LGE.png (file) 241 KB Mask of endocardial segmentation of an atlas image (red) overlaid on the cropped LGE input image. 1
22:41, 6 January 2012 Carma ex mra.png (file) 179 KB Carma Center example MRA image (acquired prior to LGE-MRI image) 1
22:42, 6 January 2012 Carma ex post seg.png (file) 393 KB Carma Center example post-ablation LGE-MRI image, with manual segmentations of the LA wall and blood pool overlaid 1
22:43, 6 January 2012 Carma ex post.png (file) 276 KB Carma Center example post-ablation LGE-MRI image 1
22:43, 6 January 2012 Carma ex pre seg.png (file) 388 KB Carma Center example pre-ablation LGE-MRI image, with manually segmented LA wall and blood pool overlaid 1
22:44, 6 January 2012 Carma ex pre.png (file) 267 KB Carma Center example pre-ablation LGE-MRI image 1
23:46, 6 January 2012 Carma 4rpvs.png (file) 165 KB A LA with the 2 left PVs (typical) and an abnormal 4 right PVs. 1
23:47, 6 January 2012 Carma Com LPV.png (file) 122 KB A LA with the typical number of PVs (2 left, 2 right); however, the 2 left PVs share a common trunk. 1
23:49, 6 January 2012 Carma RPVs small.png (file) 130 KB Variations in the size of the PVs also occurs; here the inferior PV is dramatically smaller than normal and the superior larger than is typical. 1
00:00, 7 January 2012 Carma Norm RPVs.png (file) 115 KB A typical arrangement of the PVs: 2 distinct LPVs and 2 RPVs. 1
00:00, 7 January 2012 Carma Norm LPVs.png (file) 138 KB A typical arrangement of the PVs: 2 distinct LPVs and 2 RPVs. 1
23:03, 8 January 2012 Carma 3RPVs.png (file) 148 KB Reverted to version as of 00:13, 7 January 2012 4
23:22, 8 January 2012 Carma 4RPV.png (file) 193 KB A LA with the 2 left PVs (typical) and an abnormal 4 right PVs. 1
23:25, 8 January 2012 Carma 3RPV.png (file) 148 KB A LA with the 2 left PVs (typical) and an abnormal 3 right PVs. 1
00:24, 9 January 2012 Carma hypertrophy.png (file) 303 KB An example of a hypertrophied LA, the extent of which is denoted by the orange label mask. 1
00:30, 9 January 2012 Carma no reflow.png (file) 327 KB LGE-MRI scans acquired immediately post-ablation pose extra challenges for registration; often times, edema and other acute physiological changes effect the washout kinetics of the contrast agent and the morphology of the LA. Here the MR contrast agent h 1
00:51, 9 January 2012 Carma vert LAA.png (file) 148 KB   2
00:52, 9 January 2012 Carma norm LAA.png (file) 98 KB Reverted to version as of 00:51, 9 January 2012 4
17:42, 9 January 2012 Carma PV misreg.png (file) 268 KB An example of the misregistration that is seen when trying to register the pulmonary veins of pre- and post-ablation LGE-MRI scans from the same patient (scans acquired roughly 3 months apart). 1
17:47, 9 January 2012 Carma fid misreg.png (file) 243 KB   2
06:17, 3 April 2012 CARMA VecReg Check1.png (file) 116 KB   1
06:18, 3 April 2012 CARMA VecReg Seg1.png (file) 106 KB   1
06:18, 3 April 2012 CARMA VecReg Seg1-2.png (file) 77 KB   1
06:19, 3 April 2012 CARMA VecReg Check1-2.png (file) 125 KB   1
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