公开(公告)号：US07551779B2

公开(公告)日：2009-06-23

申请号：US11083773

申请日：2005-03-17

申请人： Adrian J. Garside ,  Takanobu Murayama ,  Tracy Schultz ,  Daphne Guericke ,  Ernest L. Pennington ,  Shou-Ching Schilling

发明人： Adrian J. Garside ,  Takanobu Murayama ,  Tracy Schultz ,  Daphne Guericke ,  Ernest L. Pennington ,  Shou-Ching Schilling

IPC分类号： G06K9/18

CPC分类号： G06F3/04883

摘要： Described is a computer-implemented system and method that detects and differentiates scratch-out gestures from other electronic ink, e.g., entered via a pen. The system and method compare boundary-based criteria to differentiate, which eliminates the need to have a specially-shaped scratch-out pattern, instead allowing a wide variety of scratch-out styles to be detected. Criteria includes boundary-based evaluations such as whether the potential scratch-out gesture intersects previously recognized words or characters, whether the scratch-out gesture has a width that is at least a threshold percentage of the width of a word or character bounding box, whether the electronic ink extends beyond the midpoint of the bounding box, and whether at least some portion of the scratch-out gesture is above a baseline of the word or character. Scratch-out gestures entered in freeform input writing areas and boxed input writing areas are supported.

摘要翻译： 描述了一种计算机实现的系统和方法，其检测和区分例如通过笔输入的其他电子墨水的划痕手势。 系统和方法比较基于边界的标准来区分，这样就不再需要特殊的划痕模式，而是可以检测出各种各样的划痕样式。 标准包括基于边界的评估，例如潜在的刮除手势是否与先前识别的单词或字符相交，是否划出手势的宽度至少是单词或字符边界框的宽度的阈值百分比，无论是否 电子墨水延伸超过边界框的中点，以及刮除手势的至少一部分是否高于单词或字符的基线。 支持自由输入写入区域和盒装输入写入区域中输入的划痕手势。

公开(公告)号：US20060210163A1

公开(公告)日：2006-09-21

申请号：US11083773

申请日：2005-03-17

申请人： Adrian Garside ,  Takanobu Murayama ,  Tracy Schultz ,  Daphne Guericke ,  Ernest Pennington ,  Shou-Ching Schilling

发明人： Adrian Garside ,  Takanobu Murayama ,  Tracy Schultz ,  Daphne Guericke ,  Ernest Pennington ,  Shou-Ching Schilling

IPC分类号： G06K9/18

CPC分类号： G06F3/04883

摘要： Described is a computer-implemented system and method that detects and differentiates scratch-out gestures from other electronic ink, e.g., entered via a pen. The system and method compare boundary-based criteria to differentiate, which eliminates the need to have a specially-shaped scratch-out pattern, instead allowing a wide variety of scratch-out styles to be detected. Criteria includes boundary-based evaluations such as whether the potential scratch-out gesture intersects previously recognized words or characters, whether the scratch-out gesture has a width that is at least a threshold percentage of the width of a word or character bounding box, whether the electronic ink extends beyond the midpoint of the bounding box, and whether at least some portion of the scratch-out gesture is above a baseline of the word or character. Scratch-out gestures entered in freeform input writing areas and boxed input writing areas are supported.