Gesture Control Apparatus with Visual Confirmation and Cancellation

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Solution Overview

Problem

Users of gesture recognition systems on touch panels cannot confirm or cancel unintended function invocations during a gesture operation, leading to potential execution of unintended functions.

Innovation Solution

A display control apparatus with a detection unit for touch inputs, a display control unit for showing executable functions, a confirmation unit for validating gestures, and a cancellation unit for canceling function invocations when specific conditions are met, allowing users to confirm and cancel gestures before releasing their touch.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If gesture recognition is executed only after finger release, then device complexity is reduced, but user awareness of intended functions during gesture operation is lost

Engineering Contradiction:

Improvegesture recognition execution timingVSAvoiduser awareness of intended functions

Core Design Contradiction:

Device complexityVSLoss of information

Solution Approach 1:

The system performs preliminary gesture recognition processing during the gesture operation (while finger is on panel) to predict the intended function before finger release. This allows the user to see the predicted function and confirm or cancel it, preventing unintended function execution while maintaining relatively simple device architecture.

Inventive Principle:

Principle #10Preliminary action

2Loss of information

If gesture recognition is performed during gesture operation, then user awareness and control are improved, but device complexity increases

Engineering Contradiction:

Improveuser awareness of intended functionsVSAvoidgesture recognition processing requirements

Core Design Contradiction:

Loss of informationVSDevice complexity

Solution Approach 1:

The system performs partial gesture recognition processing during the gesture operation - enough to predict the intended function and display it to the user, but not complete execution until finger release. This provides user awareness and control while avoiding the full complexity of real-time gesture validation and function execution during the gesture.

Inventive Principle:

Principle #16Partial or excessive action

3Ease of operation

If gesture cancellation is not provided during gesture operation, then ease of operation is maintained, but reliability of function execution deteriorates

Engineering Contradiction:

Improvegesture operation simplicityVSAvoidfunction execution accuracy

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The system displays feedback showing the predicted function during gesture operation, allowing the user to confirm or cancel before execution. This provides reliability by preventing unintended function execution while maintaining ease of operation through a simple confirm/cancel interface that requires minimal additional user action.

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS10671203B2Display control apparatus and control method thereof

Publication Date: 2020.06.02 CANON KK

AI summary

There is provided an apparatus that can prevent invoking of unintended functions in gesture operation. The apparatus displays gesture functions executable by movement of touch position, and when movement of touch position satisfies a first condition, confirms executable gesture functions to display confirmed functions. When the movement of touch position satisfies a second condition after the confirmation, the apparatus cancels the confirmation. When the touch input is released in the confirmed state, the apparatus executes the confirmed functions, and when the touch input is released in the canceled state, control does not execute gesture functions.