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Incremental signature-based gesture keyboard decoding

A gesture and graphic keyboard technology, applied in the field of incremental feature-based gesture keyboard decoding, can solve problems such as keyboard difficulty and dictionary integration

Active Publication Date: 2018-05-01
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such keyboards can also be difficult to integrate with multiple on-device dictionaries

Method used

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  • Incremental signature-based gesture keyboard decoding
  • Incremental signature-based gesture keyboard decoding
  • Incremental signature-based gesture keyboard decoding

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0112] Example 1: A method comprising: outputting, by a computing device, a graphical keyboard comprising a plurality of keys for display at a presence-sensitive display operatively coupled to the computing device; receiving an indication of a gesture input at the presence-sensitive display , the gesture to select a set of keys of the plurality of keys; determining, by the computing device, a candidate word based at least in part on the set of keys in response to receiving the indication of the gesture, wherein The determining includes: determining, by the computing device, a set of alignment points over which the gesture swipe; determining, by the computing device, a respective cost for each of at least two of the plurality of keys values, wherein each of the corresponding cost values ​​represents the probability that an alignment point of the set of alignment points indicates a key of the plurality of keys; compared by the computing device for the the respective cost values ...

example 2

[0113] Example 2: The method of example 1, wherein determining the respective cost values ​​for each of the at least two keys of the plurality of keys comprises, by the computing device based on the one A first alignment point in the set of alignment points is used to determine a first cost value for a first key in the plurality of keys, and a cost value for the plurality of keys is determined based on a second alignment point in the set of alignment points. The second cost value for the second key of the keys.

example 3

[0114] Example 3: The method of any of examples 1-2, wherein determining the respective cost value for each of the at least two keys of the plurality of keys comprises: determining with A corresponding physical cost value for each of the at least two keys in the plurality of keys, wherein each of the corresponding physical cost values ​​represents at least one alignment point of the set of alignment points A physical characteristic indicating at least one physical characteristic of a key in the plurality of keys; determining a corresponding dictionary cost value for each of the at least two keys in the plurality of keys, wherein the corresponding dictionary cost Each of the values ​​represents a probability that a letter represented by one of the plurality of keys is included in the candidate word; and the corresponding physical cost value is compared with the corresponding dictionary cost value to determine the The corresponding cost value for each of the at least two keys of...

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PUM

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Abstract

In one example, a method includes outputting, at a presence-sensitive display operatively coupled to a computing device, a graphical keyboard including a plurality of keys, and receiving an indication of a gesture to select a set of keys from the plurality of keys. The method may further include determining candidate words based at least in part on the set of keys in response to the indication. The method may further include determining a set of aiming points over which the gesture is swiped and a corresponding cost value for each of at least two keys of the plurality of keys. The method may further comprise comparing respective cost values ​​for at least each of at least two of the plurality of keys to determine combinations of keys having combined cost values, and outputting candidate words based on the respective cost values .

Description

Background technique [0001] Computing devices (eg, mobile phones, tablet computers, etc.) may provide a graphical keyboard as part of a graphical user interface for composing text using a presence-sensitive screen. A graphical keyboard may enable a user of a computing device to enter text (eg, email, text message or document, etc.). For example, a computing device may present a graphical or soft keyboard on a presence-sensitive display that allows a user to enter data by striking keys on the keyboard display. [0002] Gesture-based keyboards can be used to enter text into smartphones. Such keyboards may suffer from limitations in accuracy, speed and inability to adapt to the user. Certain keyboards may also require a dedicated gesture dictionary that must be maintained separately. Such keyboards may also be difficult to integrate with multiple on-device dictionaries. Contents of the invention [0003] In one example, a method includes outputting, by a computing device, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/0488G06F3/023
CPCG06F3/0237G06F3/04883G06F3/04886G06F3/0236G06F3/0484G06F40/284G06F40/44
Inventor 欧阳瑜翟树民毕小俊奇普里安·洛恩·凯尔巴片冈慧若佐健畔柳圭佑
Owner GOOGLE LLC