Sensor-Based Food Item Classification Without POS Dependence

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Solution Overview

Problem

Existing methods for classifying food items in commercial kitchens are inefficient, unreliable, and not scalable, particularly in environments without point-of-sale systems, leading to operational inefficiencies and manual errors.

Innovation Solution

A system utilizing sensors to capture data from food item events and classify items using a model trained on sensor data, enabling automated classification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If manual classification methods are used by food consultants, then classification can be performed with basic equipment, but the solution is not scalable and can only be used infrequently

Engineering Contradiction:
Improvesimplicity of implementationVSAvoidscalability and frequency of use
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The patent replaces manual mechanical classification by food consultants with an automated optical sensing system using cameras and image processing algorithms. The system captures images of food items and automatically classifies them through computer vision technology, eliminating the need for human intervention while significantly improving scalability and frequency of use.

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

Solution Approach 2:

The system enables self-service classification where the food item itself is captured by the sensor and automatically classified without requiring a food consultant. The automated image capture and processing system performs the classification function independently, making the process scalable and suitable for frequent use across multiple locations.

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If point of sale data triangulation is used, then classification can be performed in restaurants with point of sale systems, but it fails in restaurants without itemized point of sale and captures operational inefficiencies

Engineering Contradiction:
Improvecompatibility with point of sale systemsVSAvoidaccuracy of classification
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent replaces reliance on point of sale data triangulation with direct optical sensing and image-based classification. By using computer vision to directly observe and classify food items, the system eliminates dependency on point of sale system data quality and operational processes, achieving consistent accuracy across all restaurant types regardless of their point of sale infrastructure.

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

3Reliability

If manual weighing and identifying at each step is used in large production facilities, then controls can be established at each step, but the manual nature leads to poor adoption

Engineering Contradiction:
Improvecontrol accuracy at each stepVSAvoidadoption rate
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces manual weighing and identifying processes with automated optical sensing systems that capture images and automatically classify food items. This substitution maintains precise control at each step through automated image analysis while dramatically improving ease of operation by eliminating repetitive manual tasks, leading to higher adoption rates.

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

4Productivity

If automated classification is implemented, then speed of classification increases and manual errors are reduced, but system complexity increases

Engineering Contradiction:
Improveclassification speedVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces complex manual classification processes with an automated optical sensing system using standard cameras and computer vision algorithms. While the system introduces technological complexity, it eliminates the need for trained food consultants and manual procedures, achieving net simplification through automation. The use of成熟的 image processing technologies keeps the system complexity manageable while dramatically improving classification speed and accuracy.

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

Data Source

PatentUS20250356311A1Method and system for classifying food items
Publication Date: 2025.11.20 WINNOW SOLUTIONS
  • US20250356311A1 patent drawing
  • US20250356311A1 patent drawing
  • US20250356311A1 patent drawing

AI summary

The present invention relates to a method for classifying food items. The method includes the steps of: capturing one or more sensor data relating to a food item event; and classifying the food item, at least in part, automatically using a model trained on sensor data. A system and software are also disclosed.