Printing Medium Identification via Dynamic Reference Value Adjustment
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Solution Overview
Problem
Existing printing technologies face challenges in accurately identifying the type of printing medium due to sensor errors, individual differences among media, and variations in measurement environments, leading to insufficient accuracy when using pre-defined reference values.
Innovation Solution
An information processing apparatus with an acquisition unit, decision unit, input unit, determination unit, and change unit that measures characteristic values of a printing medium, decides on its type based on measurement results and reference values, and adjusts these values to improve identification accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pre-defined reference values are used to identify printing medium type, then the identification process is simple and fast, but the identification accuracy is insufficient due to sensor errors, individual differences among media, and measurement environment variations
Solution Approach 1:
The system measures the characteristic value of the printing medium, compares it with reference values, identifies the medium type, and then updates the reference values based on the measurement results. This feedback loop continuously improves identification accuracy by adapting reference values to actual measurement data, compensating for sensor errors and environmental variations.
Solution Approach 2:
The system dynamically changes the reference characteristic values based on measurement results. Instead of using fixed pre-defined reference values, the system adjusts these parameters to match the actual characteristics of the printing medium being used, thereby improving identification accuracy while maintaining a relatively simple system structure.
2Reliability
If reference values are dynamically updated based on measurement results, then identification accuracy is improved, but the system complexity increases due to additional determination and change units
Solution Approach 1:
The system performs self-calibration by automatically updating its own reference values based on measurement results. The determination unit and change unit enable the system to self-adjust without external intervention, improving reliability while keeping the overall system architecture relatively simple through automated operations.
Solution Approach 2:
The system performs preliminary measurements and updates reference values before actual printing operations. This preliminary action ensures that the reference values are accurate and up-to-date, improving identification reliability while allowing the main printing function to remain simple and efficient.
3Measurement precision
If multiple characteristic values are measured to improve identification accuracy, then the measurement process becomes more complex and time-consuming
Solution Approach 1:
The system measures multiple characteristic values of the printing medium to achieve accurate identification. By measuring several parameters (such as optical density, surface properties, etc.), the system ensures sufficient measurement accuracy while managing the time cost through efficient measurement processes and algorithms.
Data Source
AI summary
An information processing apparatus includes an acquisition unit, a decision unit, a determination unit, and a change unit. The acquisition unit acquires a measurement result regarding a printing medium characteristic value. The decision unit decides a candidate for a printing medium type based on the acquired measurement result, and a reference characteristic value of each of printing media types set in advance to identify a type of the measured printing medium. Information associated with the printing medium type to be printed is input. The determination unit determines whether to change the reference characteristic value of the printing medium type associated with the input information based on the measurement result and the printing medium type associated with the input information. Wherein, when the determination unit determines to change the reference characteristic value, the change unit changes the reference characteristic value of the printing medium type based on the measurement result.