Automated Note Recognition via Optical Boundary Segmentation

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Solution Overview

Problem

Existing methods for capturing and managing notes, especially in collaborative settings, are inefficient in recognizing and extracting content from multiple physical and digital notes, particularly when they are scattered or overlapping, leading to challenges in organization and retrieval.

Innovation Solution

A system comprising a sensor and processing unit that captures a visual representation of notes, recognizes their boundaries using marks or patterns, and extracts content, enabling efficient management and categorization through a note recognition and management system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual methods are used to capture and manage physical notes, then notes can be easily written and moved, but efficiency in recognizing and extracting content from multiple scattered or overlapping notes is poor

Engineering Contradiction:
Improveefficiency in capturing and managing notesVSAvoidtime for recognizing and extracting content
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent replaces manual mechanical methods of note capture and content extraction with an automated optical system. A sensor captures images of physical notes, and image processing algorithms automatically recognize note boundaries and extract text content, eliminating the need for manual transcription and organization.

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

Solution Approach 2:

The patent creates digital copies of physical notes through image capture and processing. The sensor captures visual representations of notes, and the system generates digital reproductions that can be stored, searched, and managed electronically, preserving the original physical notes while enabling efficient digital access.

Inventive Principle:
Principle #26Copying

2Adaptability or versatility

If physical notes are used for collaboration, then ideas can be freely written and shared, but organization and retrieval of scattered notes is challenging

Engineering Contradiction:
Improveflexibility in note placement and sharingVSAvoidease of organization and retrieval
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent replaces manual organization methods with automated image processing. The system captures images of scattered physical notes and uses algorithms to automatically detect note boundaries, segment individual notes from the group, and extract text content, enabling automated organization without manual intervention.

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

Solution Approach 2:

The patent introduces a digital intermediary layer between physical notes and organization. The sensor and image processing system act as intermediaries that capture physical notes, process them digitally, and create structured digital representations that are easier to organize and retrieve while preserving the flexibility of physical note-taking.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If multiple notes are captured in a single visual representation, then capture speed is improved, but difficulty in detecting and measuring individual note boundaries increases

Engineering Contradiction:
Improvecapture speed of multiple notesVSAvoiddifficulty in recognizing note boundaries
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent applies segmentation to divide the captured image into individual note regions. The image processing algorithm analyzes the visual representation to detect boundaries between adjacent notes, separating them into distinct segments that can be individually processed and recognized.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent replaces manual boundary detection with automated image processing algorithms. The sensor captures multiple notes simultaneously, and computational algorithms automatically identify note boundaries by analyzing visual features such as edges, colors, and geometric patterns in the captured image.

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

Data Source

PatentEP2981932B1Systems and methods for note recognition
Publication Date: 2018.11.14 3M INNOVATIVE PROPERTIES CO
  • EP2981932B1 patent drawingFigure 1A
  • EP2981932B1 patent drawingFigure 1B
  • EP2981932B1 patent drawingFigure 1C~1D

AI summary

At least some aspects of the present disclosure feature systems and methods for note recognition. The note recognition system includes a sensor, a note recognition module, and a note extraction module. The sensor is configured to capture a visual representation of a scene having one or more notes. The note recognition module is coupled to the sensor. The note recognition module is configured to receive the captured visual representation and determine a general boundary of a note from the captured visual representation. The note extraction module is configured to extract content of the note from the captured visual representation based on the determined general boundary of the note.