# Fourth order indirect diffusion coupled with shock filter and source for text binarization

> Research article (Signal Processing, 2020) · cited 18× · AI/ML

**Wikidata**: [openalex:W2998797588](https://www.wikidata.org/wiki/openalex:W2998797588)  
**Source**: https://4ort.xyz/entity/fourth-order-indirect-diffusion-coupled-with-shock-filter-and-source-for-text-binarization