کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10335916 | 691796 | 2011 | 15 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
SpeedSeg: A technique for segmenting pen strokes using pen speed
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
گرافیک کامپیوتری و طراحی به کمک کامپیوتر
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چکیده انگلیسی
⺠We present SpeedSeg, a technique that uses pen speed and curvature information to segment hand-drawn pen strokes into lines and arcs. ⺠SpeedSeg is able to monitor its own performance and improve the computed segmentation by judiciously merging and splitting segments. ⺠Studies have demonstrated that SpeedSeg's default parameter values work well for a variety of users, even those with no experience using the system. Furthermore, SpeedSeg achieves high accuracy over a wide range of parameter values. ⺠SpeedSeg can automatically tune itself to achieve optimal performance for individual users: it uses hill climbing to adjust its parameters to maximize segmentation accuracy on a set of training shapes provided by the user. ⺠SpeedSeg outperformed the state-of-the-art algorithms. On a data set comprised of 1090 shapes, SpeedSeg achieved a precision of 97.8%, a recall of 96.3%, an f-measure of 0.970, and an all-or-nothing accuracy of 80.0%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Graphics - Volume 35, Issue 2, April 2011, Pages 250-264
Journal: Computers & Graphics - Volume 35, Issue 2, April 2011, Pages 250-264
نویسندگان
James Herold, Thomas F. Stahovich,