# Expression of Concern: A gingivitis identification method based on contrast‐limited adaptive histogram equalization, gray‐level co‐occurrence matrix, and extreme learning machine

> Research article (International Journal of Imaging Systems and Technology, 2018) · cited 45× · AI/ML

**Wikidata**: [openalex:W2900826577](https://www.wikidata.org/wiki/openalex:W2900826577)  
**Source**: https://4ort.xyz/entity/expression-of-concern-a-gingivitis-identification-method-based-on-contrastlimited-adaptive-histogram-equalization-grayle