Marker-Based Worker Analysis for Work-Content Linking

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Solution Overview

Problem

Existing systems struggle to accurately link workers to their work content in environments where multiple workers wear similar workwear, leading to errors in worker identification and work content specification.

Innovation Solution

An analysis device and system that utilize a marker attached to each worker, indicating a unique identifier, to identify the worker and specify their work content based on the marker's position.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If workers wear the same or similar workwear, then ease of operation and uniformity are improved, but measurement precision and worker identification accuracy deteriorate

Engineering Contradiction:

Improveworkwear uniformityVSAvoidworker identification accuracy

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The patent divides the worker identification system into two parts: the uniform workwear (maintaining unity) and the unique marker (providing differentiation). The marker is segmented as a separate element attached to the workwear, allowing it to be removed or changed without affecting the uniformity of the workwear itself. This segmentation resolves the contradiction by enabling both uniform appearance and individual identification.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent applies local quality by introducing a unique marker at a specific location on the workwear. While the overall workwear maintains uniformity, the marker provides localized differentiation that enables identification. The marker's unique characteristics (color, shape, position) are concentrated at a specific local area, allowing identification without compromising the uniform appearance of the workwear as a whole.

Inventive Principle:

Principle #3Local quality

2Device complexity

If appearance-based identification is used, then device complexity is reduced, but reliability and worker-work content linking accuracy deteriorate

Engineering Contradiction:

Improveidentification system complexityVSAvoidworker-work content linking accuracy

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent introduces a marker as an intermediary element between the worker and the identification system. The marker serves as a mediator that carries unique identification information while being attached to the workwear. This intermediary approach maintains system simplicity (using visual markers rather than complex electronic identification systems) while significantly improving reliability through unique, unambiguous identification markers that can be reliably linked to specific workers and their work content.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS20250292164A1Analysis device, analysis system, analysis method, program, and workwear

Publication Date: 2025.09.18 NEC CORP

AI summary

An analysis device acquires an image including a worker and a marker. The marker is attached to the worker and indicates an identifier unique to the worker. The analysis device identifies the worker based on the identifier. The analysis device specifies work content based on a position of the marker. The analysis device outputs data including the identified worker and the specified work content that are linked to each other.