Input Correction Enhancement for Touch Interfaces
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Solution Overview
Problem
Users often face frustration and inefficiency when correcting input errors on touch interfaces, as they frequently need to precisely select characters for modification, often accidentally highlighting nearby letters.
Innovation Solution
A method and apparatus that utilize a processor to receive user input, determine potential errors in character strings, identify the highest ranked error location, and visually indicate this location on a display, facilitating refined cursor positioning through statistical analysis and linguistic evaluation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a user touches the location of a letter to modify it on a touch interface, then the user can initiate correction, but nearby letters are often erroneously highlighted instead
Solution Approach 1:
The system performs preliminary analysis of the input string to identify potential errors and their locations before the user attempts correction. By pre-calculating error probabilities and highlighting the most likely error location, the system prepares the correction target in advance, so when the user touches the highlighted area, the correct character is selected without accidentally selecting nearby letters.
2Measurement precision
If the user repeatedly touches to locate the correct character for correction, then the correct character can be selected, but the correction process becomes time-consuming
Solution Approach 1:
The system provides immediate visual feedback by highlighting the character location with the highest error probability right after the user inputs the string. This feedback mechanism guides the user directly to the correction target without requiring repeated摸索 (exploratory touching), significantly reducing the time needed to locate and correct errors while maintaining high accuracy.
Data Source
AI summary
An embodiment provides a method, including: receiving, at an input device, user input having a string of characters; determining, using a processor, one or more potential errors in the string of characters; identifying, using a processor, a character location of a highest ranked error of the one or more potential errors within the string of characters; and positioning, on a display, a visual indication associated with the location of the highest ranked error within the string of characters. Other aspects are described and claimed.