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1. 发明授权

US07551779B2 Word or character boundary-based scratch-out gesture recognition 有权
标题翻译：单词或字符边界划伤手势识别
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。

2. 发明申请

US20060210163A1 Word or character boundary-based scratch-out gesture recognition 有权
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.

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