# New spatial-organization-based scale and rotation invariant features for heterogeneous-content camera-based document image retrieval

> Research article (Pattern Recognition Letters, 2018) · cited 11× · AI/ML

**Wikidata**: [openalex:W2840264905](https://www.wikidata.org/wiki/openalex:W2840264905)  
**Source**: https://4ort.xyz/entity/new-spatial-organization-based-scale-and-rotation-invariant-features-for-heterogeneous-content-camera-based-document-ima