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    • 1. 发明授权
    • Autocorrecting language input for virtual keyboards
    • 自动更正虚拟键盘的语言输入
    • US09471560B2
    • 2016-10-18
    • US13487113
    • 2012-06-01
    • Yasuo KidaLeland Douglas Collins, Jr.
    • Yasuo KidaLeland Douglas Collins, Jr.
    • G06F17/27
    • G06F17/273
    • Various techniques for autocorrecting virtual keyboard input for various languages (e.g., Japanese, Chinese) are disclosed. In one aspect, a system or process receives a sequence of keyboard events representing keystrokes on a virtual keyboard. A hierarchical data structure is traversed according to the sequence of keyboard events to determine candidate words for the sequence of keyboard events. A word lattice is constructed using a language model, including deriving weights or paths in the word lattice based on candidate word statistics and data from a keyboard error model. The word lattice is searched to determine one or more candidate sentences comprising candidate words based on the path weights. Paths through the word lattice can be pruned (e.g., discarded) to reduce the size and search time of the word lattice.
    • 公开了用于自动校正各种语言(例如日语,中文)的虚拟键盘输入的各种技术。 在一个方面,系统或过程接收表示虚拟键盘上的击键的键盘事件序列。 根据键盘事件的顺序遍历分层数据结构,以确定键盘事件序列的候选词。 使用语言模型构造字格,包括基于候选词统计和来自键盘错误模型的数据导出词格中的权重或路径。 搜索词格以基于路径权重来确定包括候选词的一个或多个候选句子。 可以修剪通过单词格点的路径(例如,丢弃)以减小单词格的大小和搜索时间。