Method for measuring color difference, electronic device and storage medium
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Solution Overview
Problem
Existing methods for detecting color differences in fabrics after dyeing are inaccurate due to stretching and uneven tension, leading to deviations in measured color values.
Innovation Solution
A method and apparatus that convey fabric segments through a measurement port, determining a time range for each segment and selecting effective sampling points to calculate accurate color difference values based on preset sampling points and standard values, while accounting for segmentation bands and tension fluctuations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fabric is conveyed through measurement port for continuous sampling, then detection efficiency is improved, but sampling accuracy deteriorates due to stretching and tension variations
Solution Approach 1:
The fabric is divided into multiple fabric segments with segmentation bands between them. Each segment corresponds to a specific yarn spindle. The detection system samples each segment independently by determining time ranges for each segment passing through the measurement port, allowing accurate color measurement despite continuous conveyance and tension variations.
Solution Approach 2:
The system determines the time range for each fabric segment to pass through the measurement port before performing color sampling. This preliminary timing determination ensures that sampling occurs only when the fabric is in the correct position and tension state, improving measurement accuracy while maintaining continuous operation.
2Device complexity
If sampling is performed at fixed time points during conveyance, then detection process is simplified, but measurement accuracy deteriorates due to fabric tension fluctuations
Solution Approach 1:
The sampling system transitions from fixed time-point sampling to dynamic time-range sampling. The detection portion determines the actual time range when each fabric segment passes through the measurement port and performs sampling within that adaptive time window, accommodating fabric tension fluctuations while maintaining measurement accuracy.
Solution Approach 2:
The system uses feedback from the fabric conveyance process to dynamically adjust sampling timing. By monitoring when fabric segments actually pass through the measurement port and adjusting the sampling time ranges accordingly, the system maintains high measurement accuracy despite variations in conveyance speed and fabric tension.
Data Source
AI summary
Provided is a method for measuring a color difference, an electronic device and a storage medium. The method includes: conveying respective fabric segments of the fabric to be detected sequentially to a measurement port of a detection portion, so as to collect color values at a plurality of sampling points; determining a time range in which a target segment of the fabric to be detected passes through the measurement port of the detection portion; the target segment being any one fabric segment of the fabric to be detected; selecting an effective sampling point of the target segment based on the time range and sampling time points of the plurality of sampling points; and determining a corresponding color difference value of a target yarn spindle based on a color value and standard value of the effective sampling point.