# A survey of variational and CNN-based optical flow techniques

> Research article (Signal Processing Image Communication, 2018) · cited 145× · AI/ML

**Wikidata**: [openalex:W2905310541](https://www.wikidata.org/wiki/openalex:W2905310541)  
**Source**: https://4ort.xyz/entity/a-survey-of-variational-and-cnn-based-optical-flow-techniques