Keynote Extraction AI
AI that extracts and links keynotes from drawings.
Definition
Keynote Extraction AI identifies keynote symbols and annotations on construction drawings and links them to their definitions. These systems can extract keynote lists, verify keynote references, and check that all keynotes are properly defined. This automates the tedious task of keynote verification during QA/QC.
In Depth
Keynotes on construction drawings are numbered annotations that reference a keynote legend, which in turn references specification sections. AI keynote extraction reads the keynote numbers on the drawing, matches them to the legend entries, resolves the specification references, and creates a complete chain of linked information from drawing element to specification requirement.
The linking is the valuable part. When AI extracts keynote "7" from a floor plan and traces it to the legend ("Type X GWB, 1 layer, Level 4 finish — see Section 09 29 00"), and then links to the actual specification section, it creates a direct connection between the drawing element and its full specification. This chain enables automated checking — verifying that every keynote references an existing legend entry and every legend entry references an existing specification section.
Examples
Extracting keynote lists from drawings
Verifying keynote definitions exist
Cross-referencing keynotes to specs
Nomic Use Cases
See how Nomic applies this in production AEC workflows:
Frequently Asked Questions
Keynote Extraction AI identifies keynote symbols and annotations on construction drawings and links them to their definitions. These systems can extract keynote lists, verify keynote references, and check that all keynotes are properly defined. This automates the tedious task of keynote verification during QA/QC.
Extracting keynote lists from drawings. Verifying keynote definitions exist. Cross-referencing keynotes to specs.
Automated Drawing Review: Automatically review drawings against building codes, internal standards, and client requirements. Drawing Parse API: Integrate drawing recognition into your applications with a simple API.