thumb|Image rendered using IBM Monochrome Display Adapter|MDA block graphics thumb|Color image rendered using World System Teletext|Teletext semigraphic characters
thumb|Image rendered using IBM Monochrome Display Adapter|MDA block graphics thumb|Color image rendered using World System Teletext|Teletext semigraphic characters
Text-based semigraphics, pseudographics, or character graphics is a primitive method used in early text mode video hardware to emulate raster graphics without having to implement the logic for such a display mode.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).