Straight homogeneous generalized cylinders: differential geometry and uniqueness results
International Journal of Computer Vision
IEEE Transactions on Pattern Analysis and Machine Intelligence
Finding and recovering SHGC objects in an edge image
CVGIP: Image Understanding
IEEE Transactions on Pattern Analysis and Machine Intelligence
On Seeing Spaghetti: Self-Adjusting Piecewise Toroidal Recognition of Flexible Extruded Objects
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
The Role of Model-Based Segmentation in the Recovery of Volumetric Parts From Range Data
IEEE Transactions on Pattern Analysis and Machine Intelligence
Shape Evolution With Structural and Topological Changes Using Blending
IEEE Transactions on Pattern Analysis and Machine Intelligence
Direct Least Square Fitting of Ellipses
IEEE Transactions on Pattern Analysis and Machine Intelligence
An introduction to NURBS: with historical perspective
An introduction to NURBS: with historical perspective
Robust Segmentation of Primitives from Range Data in the Presence of Geometric Degeneracy
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Self-intersection avoidance and integral properties of generalized cylinders
Computer Aided Geometric Design
Recovering Generalized Cylinders by Monocular Vision
ECCV '96 Proceedings of the International Workshop on Object Representation in Computer Vision II
A new model for the recovery of cylindrical structures from medical image data
CVRMed-MRCAS '97 Proceedings of the First Joint Conference on Computer Vision, Virtual Reality and Robotics in Medicine and Medial Robotics and Computer-Assisted Surgery
Rational Discrete Generalized Cylinders and their Application to Shape Recovery in Medical Images
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
Medical Image Processing, Analysis & Visualization in Clinical Research
CBMS '01 Proceedings of the Fourteenth IEEE Symposium on Computer-Based Medical Systems
Deformable models with application to human cerebral cortex reconstruction from magnetic resonance images
Seeded region growing: an extensive and comparative study
Pattern Recognition Letters
An introduction to ROC analysis
Pattern Recognition Letters - Special issue: ROC analysis in pattern recognition
Review: A comparative study of deformable contour methods on medical image segmentation
Image and Vision Computing
Interactive segmentation framework of the Medical Imaging Interaction Toolkit
Computer Methods and Programs in Biomedicine
Overview of advanced computer vision systems for skin lesions characterization
IEEE Transactions on Information Technology in Biomedicine - Special section on computational intelligence in medical systems
Recovering the 3D structure of tubular objects from stereo silhouettes
Pattern Recognition
Automatic segmentation of spinal cord mri using symmetric boundary tracing
IEEE Transactions on Information Technology in Biomedicine
Three-dimensional modeling and visualization of the cochlea on the Internet
IEEE Transactions on Information Technology in Biomedicine
IEEE Transactions on Information Technology in Biomedicine
A review on MR vascular image processing: skeleton versus nonskeleton approaches: part II
IEEE Transactions on Information Technology in Biomedicine
Computer-aided kidney segmentation on abdominal CT images
IEEE Transactions on Information Technology in Biomedicine
Hemodynamic Flow Modeling Through an Abdominal Aorta Aneurysm Using Data Mining Tools
IEEE Transactions on Information Technology in Biomedicine
Snakes, shapes, and gradient vector flow
IEEE Transactions on Image Processing
IEEE Transactions on Image Processing
Active Contour External Force Using Vector Field Convolution for Image Segmentation
IEEE Transactions on Image Processing
A marker-based watershed method for X-ray image segmentation
Computer Methods and Programs in Biomedicine
A novel method for pulmonary embolism detection in CTA images
Computer Methods and Programs in Biomedicine
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Three-dimensional (3D) medical imaging has been incorporated in routine clinical practice, since the required infrastructure has become increasingly affordable. New algorithms and applications are needed to serve the additional image processing and analysis functions in 3D space. In this work we propose a system for semi-automatic modeling and segmentation of elongated salient and anatomical objects in 3D medical images. The proposed methodology is based on a novel mathematical formalization of a well-known class of geometric primitives, namely generalized cylinders (GCs), which exhibits advantages over the existing parametric definition. Since the anatomical objects have to be modeled by their intersection with the transverse image planes, the proposed methodology includes also a new seeded region growing (SRG) segmentation algorithm for ellipse detection in 2D images, based on a priori shape knowledge. Finally, the resulting GC model is used to initialize an active surface (AS) segmentation method, in order to accurately delineate the required object. In this work we present the proposed algorithms in detail, along with the evaluation of the accuracy of the model-based segmentation by experts. Results show that elongated objects like the aorta and the trachea may be segmented with sensitivity between 90% and 95%. The proposed SRG-ellipse detector requires minimal user-initialization and its executions requires only few seconds for each image slice on an average laptop. The evolution of the AS requires less than one second per iteration for a typical CT image. Comparisons are provided with state of the art semi-automatic medical image processing software, which validate the merit of the proposed work.