A survey of variational and CNN-based optical flow techniques

作者：

Highlights：

• Introducing optical flow: the basic concepts, the characteristics of the variational and CNN-based techniques, and the evaluation measures.

• Discussing developments of the variational method, analyzing the challenges and illustrating the corresponding treating strategies of it.

• Describing the conception of the CNN-based technique, and give a detailed discussion of the issues of this technique.

摘要

•Introducing optical flow: the basic concepts, the characteristics of the variational and CNN-based techniques, and the evaluation measures.•Discussing developments of the variational method, analyzing the challenges and illustrating the corresponding treating strategies of it.•Describing the conception of the CNN-based technique, and give a detailed discussion of the issues of this technique.

论文关键词：Optical flow,Variational method,CNN-based method,Evaluation measures,Challenges

论文评审过程：Received 17 March 2018, Revised 27 October 2018, Accepted 3 December 2018, Available online 12 December 2018, Version of Record 17 December 2018.

论文官网地址：https://doi.org/10.1016/j.image.2018.12.002