SNAP: A Software Package for User-Guided Geodesic Snake Segmentation
نویسندگان
چکیده
We present a new software package for interactive segmentation of 3D images by geodesic snakes, with manual editing. Several variants of level set snakes are incorporated, including both gradientmagnitude based snakes as well as region-competition snakes. A complete segmentation pipeline, including image preprocessing, bubble initialization and parameter control, is provided in an intuitive user interface. Slice-based overpainting is also provided in the same framework, for manual editing of the automatic snake segmentation. This tool is already in daily use by clinicians and offers a vast improvement in speed over traditional manual segmentation. We present examples from several clinical studies, as well as validation results comparing the automatic geodesic snakes segmentation with manual expert rater segmentation.
منابع مشابه
SketchSnakes: Sketch-line initialized Snakes for efficient interactive medical image segmentation
We present an intuitive, fast and accurate 2D interactive segmentation method that combines a general subdivision-curve Snake possessing powerful editing capabilities, with a novel sketch-line user initialization process, and a pen input device. Using the pen (or a mouse), the Snake is quickly and precisely initialized with a few quick sketch lines drawn across the width of the target object. T...
متن کاملAssessment of the Log-Euclidean Metric Performance in Diffusion Tensor Image Segmentation
Introduction: Appropriate definition of the distance measure between diffusion tensors has a deep impact on Diffusion Tensor Image (DTI) segmentation results. The geodesic metric is the best distance measure since it yields high-quality segmentation results. However, the important problem with the geodesic metric is a high computational cost of the algorithms based on it. The main goal of this ...
متن کاملUser-guided 3D active contour segmentation of anatomical structures: significantly improved efficiency and reliability.
Active contour segmentation and its robust implementation using level set methods are well-established theoretical approaches that have been studied thoroughly in the image analysis literature. Despite the existence of these powerful segmentation methods, the needs of clinical research continue to be fulfilled, to a large extent, using slice-by-slice manual tracing. To bridge the gap between me...
متن کاملUser-Guided Level Set Segmentation of Anatomical Structures with ITK-SNAP
Active contour segmentation and its robust implementation using level sets have been studied thoroughly in the medical image analysis literature. Despite the availability of these powerful methods, clinical research still largely relies on manual slice-by-slice outlining for anatomical structure segmentation. To bridge the gap between methodological advances and clinical routine, we developed I...
متن کاملGlioblastoma Segmentation: Comparison of Three Different Software Packages
To facilitate a more widespread use of volumetric tumor segmentation in clinical studies, there is an urgent need for reliable, user-friendly segmentation software. The aim of this study was therefore to compare three different software packages for semi-automatic brain tumor segmentation of glioblastoma; namely BrainVoyagerTM QX, ITK-Snap and 3D Slicer, and to make data available for future re...
متن کامل