The Design and Use of Steerable Filters
IEEE Transactions on Pattern Analysis and Machine Intelligence
3D statistical shape models for medical image segmentation
3DIM'99 Proceedings of the 2nd international conference on 3-D digital imaging and modeling
Applying prior knowledge in the segmentation of 3d complex anatomic structures
CVBIA'05 Proceedings of the First international conference on Computer Vision for Biomedical Image Applications
Heterogeneous computing for vertebra detection and segmentation in x-ray images
Journal of Biomedical Imaging - Special issue on Parallel Computation in Medical Imaging Applications
Vertebral body segmentation in MRI via convex relaxation and distribution matching
MICCAI'12 Proceedings of the 15th international conference on Medical Image Computing and Computer-Assisted Intervention - Volume Part I
Computer Vision and Image Understanding
Hi-index | 0.00 |
We present algorithms for the automatic and precise segmentation of individual vertebras in CT Volume data. When a local surface evolution method such as the level set is applied to such a complex structure, global shape priors will not be sufficient to avoid the leakage and local minima problems, particularly if precise object boundary is desired. We propose a prior knowledge base that contains localized priors--a group of high-level features whose detection will augment the surface model and be the key to success. Base on this a set of context blockers are applied to prevent the leakages. Carefully designed initial surface when registered with the data helps avoid the local minimum problem. The results of segmentation well approximate the human delineated object boundaries. We also present the validation result of the segmentation of 150 vertebras.