A survey on handwritten mathematical expression recognition: The rise of encoder-decoder and GNN models

Thanh-Nghia Truong, Cuong Tuan Nguyen, Richard Zanibbi, Harold Mouchère, Masaki Nakagawa

Abstract: Highlights•In-depth survey on recent handwritten mathematical expression recognition methods.•Paradigm shift from grammar/graph-based parsing to DNN models with attention.•Comparisons of the methods on open datasets and discussions of their pros and cons.•Reviewing the progress and presenting remaining challenges.