Digital Note Management via Image Capture and OCR

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Solution Overview

Problem

Current technologies lack efficient methods for capturing and managing physical notes in digital form, especially in collaborative environments, where notes can be overlapping, of varying colors, and difficult to recognize and extract content from.

Innovation Solution

A computing device is equipped with an image capture module and processing engine to identify and generate digital notes from physical notes in an image, allowing for the creation of digital representations that can be manipulated, stored, and organized, using techniques such as color detection, shape recognition, and pattern detection to handle overlapping notes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If digital note management systems are implemented, then note manipulation and organization efficiency is improved, but the ability to handle overlapping and varied physical notes accurately deteriorates

Engineering Contradiction:
Improvenote manipulation efficiencyVSAvoidphysical note recognition accuracy
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The system creates digital copies of physical notes by capturing images and extracting text content. Each physical note is transformed into a digital note object that preserves the original content while enabling efficient manipulation. This copying approach allows the system to handle complex physical note arrangements (overlapping, varying colors) by working with simplified digital representations instead.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces manual physical note handling with automated image processing and optical character recognition systems. The mechanical process of physically examining, copying, and organizing notes is substituted with computational algorithms that automatically detect note boundaries, extract text, and create digital representations, thereby maintaining high accuracy despite complex physical arrangements.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If comprehensive digital note management features are added, then functionality and versatility are improved, but system complexity increases

Engineering Contradiction:
Improvenote management functionalityVSAvoidsystem architecture complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The digital note system is designed as a universal platform that handles multiple note types (different colors, sizes, orientations) and operations (creation, deletion, grouping, movement) through a unified architecture. The same core image processing and text extraction infrastructure supports diverse note management tasks, avoiding the need for separate specialized systems for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system segments note management into distinct functional modules: image capture, note detection, text extraction, digital note creation, and note manipulation. This segmentation allows each module to be independently optimized and maintained, reducing overall system complexity while providing comprehensive functionality through modular composition.

Inventive Principle:
Principle #1Segmentation

3Loss of information

If physical notes are converted to digital format, then information accessibility and shareability are improved, but loss of physical note characteristics deteriorates

Engineering Contradiction:
Improveinformation accessibilityVSAvoidphysical note characteristics
Core Design Contradiction:
Loss of informationVSShape

Solution Approach 1:

The system creates faithful digital copies of physical notes by capturing their visual appearance through imaging and extracting their textual content through OCR. The digital notes preserve the original information while adding computational accessibility, allowing users to search, copy, and share note content without losing the underlying information.

Inventive Principle:
Principle #26Copying

Data Source

PatentEP3058514B1Adding/deleting digital notes from a group
Publication Date: 2020.01.08 3M INNOVATIVE PROPERTIES CO
  • EP3058514B1 patent drawingFigure 1
  • EP3058514B1 patent drawingFigure 2
  • EP3058514B1 patent drawingFigure 3

AI summary

In general, the disclosure describes techniques for creating and manipulating software notes representative of physical notes. A computing device includes a processor, an image collection module configured to receive an input image of an environment having a plurality of physical notes, an image processing engine configured to identify the plurality of physical notes in the input image and generate a plurality of digital notes corresponding to the plurality of notes identified in the input image, wherein the plurality of digital notes include information represented by the plurality of notes in the input image, and a graphical user interface configured to display the input image overlaid with the plurality of digital notes in place of the identified plurality of notes on a first portion of the graphical user interface and to display a set of one or more of the digital notes on a second portion of the graphical user interface.