# Optical Mark Recognition: Advances, Difficulties, and Limitations

> Research article (SN Computer Science, 2021) · cited 26× · AI/ML

**Wikidata**: [openalex:W3182026552](https://www.wikidata.org/wiki/openalex:W3182026552)  
**Source**: https://4ort.xyz/entity/optical-mark-recognition-advances-difficulties-and-limitations