# Review of deep learning: concepts, CNN architectures, challenges, applications, future directions

> Research article (Journal Of Big Data, 2021) · cited 7,434× · AI/ML

**Wikidata**: [openalex:W3140854437](https://www.wikidata.org/wiki/openalex:W3140854437)  
**Source**: https://4ort.xyz/entity/review-of-deep-learning-concepts-cnn-architectures-challenges-applications-future-directions