# Captcha automatic segmentation and recognition based on improved vertical projection

> Research article (2017 IEEE 9th International Conference on Communication Software and Networks (ICCSN), 2017) · cited 17× · AI/ML

**Wikidata**: [openalex:W2776280729](https://www.wikidata.org/wiki/openalex:W2776280729)  
**Source**: https://4ort.xyz/entity/captcha-automatic-segmentation-and-recognition-based-on-improved-vertical-projection