Analyzer Peak Detection Confidence Display
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Solution Overview
Problem
Current methods for peak detection in chromatogram and spectrum analysis are inefficient, requiring manual correction of inaccurately detected peaks, especially in multi-component analyses, leading to operator workload and error issues.
Innovation Solution
An analyzer with a peak detection unit that provides confidence information for detected peaks and a display processing unit to list components based on this information, allowing operators to efficiently check and correct peak accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated peak detection algorithms are used to analyze multiple components simultaneously, then productivity is improved, but measurement precision deteriorates due to inaccurate peak detection
Solution Approach 1:
The system implements feedback by calculating confidence levels for each detected peak and using this information to guide manual review. Peaks with low confidence levels are automatically identified for operator verification, creating a feedback loop that improves measurement precision while maintaining productivity through selective manual intervention rather than complete manual review
Solution Approach 2:
The system applies partial action by performing automated peak detection for all peaks but requiring manual verification only for peaks with low confidence levels. This selective approach maintains high productivity for clear cases while ensuring measurement precision for ambiguous cases, avoiding the need for complete manual review of all peaks
2Measurement precision
If manual correction of peak detection is performed for all peaks, then measurement precision is improved, but productivity deteriorates due to heavy operator workload
Solution Approach 1:
The system calculates and displays confidence levels for each detected peak, providing feedback that guides operators to focus only on peaks requiring verification. This feedback mechanism maintains measurement precision by ensuring all uncertain peaks are reviewed while dramatically improving productivity by eliminating redundant manual checks of clearly detected peaks
Solution Approach 2:
The automated peak detection system performs self-service by initially detecting all peaks and assigning confidence levels, then presenting only the uncertain cases for manual review. This self-service approach maintains measurement precision through targeted human verification while improving productivity by reducing overall operator workload compared to complete manual review
3Ease of operation
If confidence information is displayed for all detected peaks, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The confidence level calculation serves as an intermediary between automated peak detection and manual verification. By introducing this intermediate confidence assessment step, the system improves ease of operation through intelligent guidance of operator attention while managing device complexity by automating the confidence calculation process rather than requiring complex manual evaluation protocols
Data Source
AI summary
An analyzer configured to acquire a chromatogram or spectrum by performing a predetermined analysis of a sample and perform a qualitative or quantitative analysis of components contained in the sample. The analyzer includes: a peak detection unit configured, based on information regarding a plurality of target components that need to be checked whether contained in the sample or that need to be quantified, to detect a peak or peaks in the chromatogram or spectrum acquired by the predetermined analysis of the sample corresponding to one of the target components, configured to acquire peak information regarding each of the peak or peaks, and configured to obtain confidence information for each of the peak or peaks, the confidence information being an indicative value of certainty of detecting a peak; and a display processing unit configured to display on a display unit a list of at least a part of the target components.