GB/T 40694.9-2022 Active

This document defines the symbols and icons used in blood vessel image recognition. GB/T 40694 defines a series of symbols and icons associated with biometric registration, verification, and/or identification devices. The icons are used to display on visual screens. The symbols are printed on signs and printed documents, including user files, distribution materials, training materials, installation/maintenance manuals, and on the casings or keys and buttons of devices. These symbols and icons are designed to show the modality of biometric recognition and explain the necessary preparations and behaviors required when using a biometric recognition system. GB/T 40694 focuses on the interaction between data collection subjects. Operators can use this document, but they may need other symbols and information. This document applies to the design and use of diagrams,icons, and symbols for blood vessel image recognition systems.