Waveform Processing Assistance for Peak Slope Determination
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Solution Overview
Problem
Users face difficulties in intuitively determining the slope value, a critical parameter for accurately identifying the rising and falling points of a peak in waveform processing, especially in systems like chromatographs, where automated determination is inflexible and challenging for non-experts, particularly in low-intensity spectra.
Innovation Solution
A waveform processing assistance system that displays slope-related information, such as numerical values, tangents, and grids, on a user-specifiable point of a peak waveform, allowing users to intuitively determine the slope and adjust parameters like Width and Slope, even in low-intensity spectra, by interacting with the display screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated determination of parameters is used, then productivity is improved, but adaptability deteriorates
Solution Approach 1:
The system provides dynamic interaction where users can move markers along the waveform to specify different peak points, and the system dynamically updates slope information and allows parameter adjustment. This combines automated processing with flexible user control, resolving the contradiction between automation and adaptability.
2Measurement precision
If complex parameter specification is required, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The system introduces visual intermediaries (markers, tangents, grid lines) that mediate between the complex slope calculation and the user. Users interact with simple visual elements rather than directly specifying complex parameters, making precise measurement accessible to non-experts.
Solution Approach 2:
The system replaces manual mathematical calculation of slope values with automated computer-based calculation. The computer performs the complex mathematical operations while the user simply interacts with the visual display, substituting mechanical/mathematical complexity with computational automation.
3Measurement precision
If detailed analysis is performed on low-intensity spectra, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The system performs preliminary automated processing to generate the waveform display with markers and slope information before user interaction. This preliminary preparation reduces the time users need to spend on detailed analysis by providing pre-processed visual information that guides their attention to critical areas.
Data Source
AI summary
Provided is a waveform processing assistance system for helping users determine the value of a parameter which is necessary in a waveform processing method for determining the rising and falling points of a peak and whose validity cannot be easily and intuitively determined The system includes: a waveform displayer for showing, on a display screen, a waveform including a peak; a marker displayer for showing, on the display screen, a marker which is capable of being moved by a user; and a slope information displayer for showing information related to the slope of the waveform at a point lying on the waveform and meeting the marker, or at a point which lies on the waveform, which meets the marker, and at which a predetermined operation has been performed by the user. Examples of the slope-related information include a numerical value of the slope, a tangent, and a grid.