# Appearance and shape-based hybrid visual feature extraction: toward audio–visual automatic speech recognition

> Research article (Signal Image and Video Processing, 2020) · cited 14× · AI/ML

**Wikidata**: [openalex:W3034836285](https://www.wikidata.org/wiki/openalex:W3034836285)  
**Source**: https://4ort.xyz/entity/appearance-and-shape-based-hybrid-visual-feature-extraction-toward-audiovisual-automatic-speech-recognition