# eVision

> eVision 26.10.0-beta.2.dev documentation


2026, Euresys

## Pages in this subsection

- [Code Grading](index.html.md): Introduces eVision's code grading standards for bar codes, data matrix, and QR codes, and how to compute grades with the code reader classes.
- [ISO/IEC 15416 for 1D Bar Codes](iso-iec_15416_for_1d_bar_codes.html.md): Explains the ISO/IEC 15416 print quality standard and its scan-line-based grading indicators for 1D bar codes as implemented in eVision.
- [ISO/IEC 15415 for Data Matrix and QR Codes](iso-iec_15415_for_data_matrix_and_qr_codes.html.md): Explains the ISO/IEC 15415 print quality standard and its grading indicators for data matrix and QR code symbols as implemented in eVision.
- [ISO/IEC 29158 for Data Matrix and QR Codes](iso-iec_29158_for_data_matrix_and_qr_codes.html.md): Explains the ISO/IEC 29158 DPM grading standard, its calibration procedure, and quality indicators for data matrix and QR codes in eVision.
- [SEMI T10-0701 for Data Matrix Codes](semi_t10-0701_for_data_matrix_codes.html.md): Explains the SEMI T10-0701 pixel-based grading standard and its quality indicators for direct part mark data matrix codes in eVision.

## Optional

- [Top-level llms.txt](../../../llms.txt): Complete documentation index.