# An Adaptive Contourlet HMM–PCNN Model of Sparse Representation for Image Denoising

> Research article (IEEE Access, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2954941265](https://www.wikidata.org/wiki/openalex:W2954941265)  
**Source**: https://4ort.xyz/entity/an-adaptive-contourlet-hmmpcnn-model-of-sparse-representation-for-image-denoising