ISO 29158: Advanced Grading Method for Data Matrix Symbols
Introduction
The ISO 29158 AIM-DPM method is an updated grading technique for Data Matrix symbols that enhances the ISO-15415 standard. This advanced approach refines the evaluation process, resulting in more accurate and reliable assessments of symbol quality.
Grading Parameters
The AIM-DPM method modifies the grading parameters used in ISO-15415 by introducing additional criteria to assess symbol contrast and uniformity. These criteria include:
- Average intensity of black cells (dark cells)
- Average intensity of white cells (bright cells)
- Contrast ratio between black and white cells
- Modulation of the symbol pattern
Benefits of AIM-DPM Method
The AIM-DPM method offers several benefits over the ISO-15415 standard:
- Improved accuracy in grading symbols
- Reduced subjectivity in the assessment process
- Enhanced reliability of symbol quality evaluation
- Better correlation with actual scanning performance
Applications
The ISO 29158 AIM-DPM method finds wide application in industries that rely on Data Matrix symbols for automated data capture. This includes:
- Manufacturing and logistics
- Healthcare and pharmaceuticals
- Retail and consumer products
- Transportation and distribution
Conclusion
The ISO 29158 AIM-DPM method is a significant advancement in the grading of Data Matrix symbols. By refining the evaluation process, it enhances accuracy, reliability, and correlation with actual scanning performance. This advanced method supports the growing use of Data Matrix symbols in various industries, ensuring efficient and reliable data capture.
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