Publications

A grouped list of publications from my Google Scholar profile and selected project outputs in handwritten mathematical expression recognition, document analysis, automatic scoring, educational AI, and applied computer vision.

Handwritten Mathematical Expression Recognition

A Survey on Handwritten Mathematical Expression Recognition: The Rise of Encoder-Decoder and GNN Models

Pattern Recognition, 2024 · Thanh-Nghia Truong, Cuong Tuan Nguyen, Richard Zanibbi, Harold Mouchère, Masaki Nakagawa

ICDAR 2023 CROHME: Competition on Recognition of Handwritten Mathematical Expressions

ICDAR, 2023 · Yejing Xie, Harold Mouchère, Foteini Simistira Liwicki, Sumit Rakesh, Rajkumar Saini, Masaki Nakagawa, Cuong Tuan Nguyen, Thanh-Nghia Truong

Syntactic Data Generation for Handwritten Mathematical Expression Recognition

Pattern Recognition Letters, 2022 · Thanh-Nghia Truong, Cuong Tuan Nguyen, Masaki Nakagawa

Global Context for Improving Recognition of Online Handwritten Mathematical Expressions

ICDAR, 2021 · Cuong Tuan Nguyen, Thanh-Nghia Truong, Hung Tuan Nguyen, Masaki Nakagawa

A Transformer-Based Math Language Model for Handwritten Math Expression Recognition

ICDAR, 2021 · Huy Quang Ung, Cuong Tuan Nguyen, Hung Tuan Nguyen, Thanh-Nghia Truong, Masaki Nakagawa

Relation-Based Representation for Handwritten Mathematical Expression Recognition

ICDAR Workshops, 2021 · Thanh-Nghia Truong, Huy Quang Ung, Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa

Learning Symbol Relation Tree for Online Handwritten Mathematical Expression Recognition

ACPR / LNCS, 2021–2022 · Thanh-Nghia Truong, Hung Tuan Nguyen, Cuong Tuan Nguyen, Masaki Nakagawa

Online Handwritten Mathematical Symbol Segmentation and Recognition with Bidirectional Context

ICFHR, 2020 · Cuong Tuan Nguyen, Thanh-Nghia Truong, Quang Huy Ung, Masaki Nakagawa

Improvement of End-to-End Offline Handwritten Mathematical Expression Recognition by Weakly Supervised Learning

ICFHR, 2020 · Thanh-Nghia Truong, Cuong Tuan Nguyen, Khanh Minh Phan, Masaki Nakagawa

Automatic Scoring and Educational AI

Hierarchical Stroke-Level Clustering and Step-Level Segmentation for Automatic Scoring of Geometric Construction Answers with an Electronic Drawing Compass

ICDAR, 2026 · Accepted for presentation

Automatic Scoring System for Digitized Handwritten Answers

IEEE Access, 2026 · Tomo Asakura, Hung Tuan Nguyen, Thanh-Nghia Truong, Yoichi Tsuchida, Takahiro Yamamoto, Hiroshi Miyazawa, Nam Tuan Ly, Masato Nemoto, Masamitsu Ito, Toshihiko Horie, Keiichi Kaneko, Masaki Nakagawa

Automated Recognition and Scoring of Handwritten Short Answer: Insights from Japanese Elementary and Junior High Schools

ICDAR, 2025 · Hung Tuan Nguyen, Thanh-Nghia Truong, Nam Tuan Ly, Masaki Nakagawa, Toshihiko Horie

Content-Based Similarity for Automatic Scoring of Handwritten Descriptive Answers

ICDAR, 2024 · Thanh-Nghia Truong, Hung Tuan Nguyen, Nam Tuan Ly, Toshihiko Horie, Masaki Nakagawa

Enhancing LMS-Based Assessment with Handwriting Input: The Design and Implementation of HAIMR

CADGME, 2025 · Thanh-Nghia Truong, Hung Tuan Nguyen, Masaki Nakagawa

Thesis and Earlier Work

Handwritten Mathematical Expression Recognition by Deep Neural Networks

Ph.D. thesis, 2022 · Thanh-Nghia Truong

Medical Images Sequence Normalization and Augmentation: Improve Liver Tumor Segmentation from Small Dataset

M.Sc. thesis, 2018 · Thanh-Nghia Truong · Related paper presented at CRC 2018, Penang, Malaysia, with Vu-Duy Dam and Thanh-Sach Le

Building an Online Video Streaming System for E-learning

B.Sc. thesis, 2016 · Thanh-Nghia Truong · Developed an online video streaming system for e-learning; the system has been used to support teaching at HCMUT

Profiles

For the full and updated list, see Google Scholar, researchmap, and ResearchGate.