Handwriting Input Element Selection and Editing System
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Solution Overview
Problem
Conventional handwriting recognition applications on computing devices are limited in their editing capabilities, forcing users to navigate complex menus and perform unnatural manipulations to edit digital ink, making it difficult to efficiently and ergonomically edit text or non-text input elements.
Innovation Solution
A computing device with an input surface and display for hand-drawing elements, featuring an analyzer for classifying digital ink as text or non-text, and a selection module with two modes: a first mode for selecting predefined blocks and a second mode for defining a selection area, allowing for different editing operations based on the selection mode used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional handwriting recognition applications use traditional menu-based editing interfaces, then users can access editing functions, but the interface complexity increases and user experience deteriorates
Solution Approach 1:
The system automatically detects user intent through gesture patterns and performs appropriate editing operations without requiring users to navigate menus or explicitly select editing modes. The dual selection modes operate transparently, with the system self-determining which mode to activate based on gesture characteristics, thereby eliminating complex interface navigation while maintaining comprehensive editing functionality
Solution Approach 2:
The gesture-based selection system serves multiple functions: it selects individual elements, selects groups of elements, determines editing mode, and triggers different editing behaviors all through a unified gesture interface. This multi-functional approach replaces multiple separate menu systems with a single versatile gesture mechanism, reducing interface complexity while preserving full editing capability
2Adaptability or versatility
If the system provides comprehensive editing capabilities for digital ink, then editing functionality improves, but the difficulty of performing edits increases due to unnatural manipulations
Solution Approach 1:
The system replaces traditional mechanical interaction patterns (menu navigation, button pressing, explicit mode switching) with natural gesture-based interactions. Users manipulate digital ink elements through intuitive gestures that mirror physical writing and drawing motions, making editing operations feel natural rather than forcing users to adapt to unnatural interface conventions
Solution Approach 2:
The system dynamically adapts its behavior based on gesture characteristics, automatically adjusting between different selection modes and editing operations. The interface responds fluidly to user intent, transitioning between selecting individual elements, selecting groups, and performing various editing operations without requiring users to statically configure or explicitly declare their intentions
3Reliability
If the system requires users to navigate menus to select and edit ink elements, then editing operations can be performed, but time consumption increases
Solution Approach 1:
The system skips the intermediate step of menu navigation by directly translating gestures into editing operations. Users perform edits through immediate gesture-based commands that bypass the traditional sequence of opening menus, selecting options, and confirming actions, thereby dramatically reducing the time required to complete editing tasks while maintaining operational reliability
Data Source
AI summary
The invention relates to a method in a computing device for hand-drawing elements, comprising: detecting input elements hand-drawn on an input surface; displaying the input elements in digital ink on a display device; classifying input digital ink as text or non-text and predefining blocks of input elements; selecting one or more input element according to a first selection mode triggered by a first gesture or according to a second selection mode triggered by a second gesture to select input elements within a selection area. Once selection is made, editing may be performed on the selected input elements in a different manner depending of which of the first and second selection mode is used.