SketchSnakes: sketch-line initialized Snakes for efficient interactive medical image segmentation

Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society
T McInerney

Abstract

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. The smooth contour constructed using these lines is extremely close to the position and shape of the object boundary. This makes the Snake's task of snapping to the object boundary much simpler and hence more likely to succeed in noisy images with minimal user editing. We apply our Snake to the segmentation of several 2D medical images to demonstrate it's efficiency, accuracy and robustness. We also compare SketchSnakes to Adobe Photoshop's Magnetic Lasso (Adobe Systems Inc., Adobe Photoshop User Guide, 2002) as well as a recent graph-cut based image cutout tool known as Snap (Digital Film Tools LLC, Snap User Guide, 2007) in order to highlight SketchSnakes effectiveness.

References

Apr 27, 2000·IEEE Transactions on Medical Imaging·A X FalcãoF K Miyazawa
Apr 9, 2002·IEEE Transactions on Information Technology in Biomedicine : a Publication of the IEEE Engineering in Medicine and Biology Society·Jasjit S SuriLaura Reden
Nov 29, 2005·Medical Image Analysis·Jianming LiangDemetri Terzopoulos
Jan 1, 1995·IEEE Transactions on Medical Imaging·S Lobregt, M A Viergever
Feb 12, 2008·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·P BriggerM Unser
Feb 16, 2008·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·C Xu, J L Prince

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