Rotation-free Online Handwritten Character Recognition Using Linear Recurrent Units

arXiv:2602.01533 · cs.CV, cs.LG · Submitted 2026-02-02 · Read on arXiv

cs.CV, cs.LG

Submitted: 2026-02-02

Updated: 2026-09-08

Comments: accepted by International Conference on Pattern Recognition (ICPR) 2026

DOI: 10.1007/978-3-032-31663-9_2

Code: https://github.com/ling17154/Character_Recognition

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 29× in this paper · explained in 1 episode
• Linear Recurrent Units — 7× in this paper
• Sliding Window Path Signature — 6× in this paper
• State Space Models — 5× in this paper
• Ensemble Learning — 4× in this paper · explained in 2 episodes
• Neural Controlled Differential Equations — 4× in this paper
• Robustness — 4× in this paper · explained in 5 episodes
• Data Augmentation — 3× in this paper · explained in 7 episodes
• Feature Extraction — 3× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Adaptability — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Computational overhead — 1× in this paper · explained in 2 episodes
• Downstream Tasks — 1× in this paper · explained in 2 episodes
• Dynamic Time Warping (DTW) — 1× in this paper · explained in 2 episodes
• Gated Linear Units — 1× in this paper
• Gaussian Error Linear Units — 1× in this paper
• Generalization — 1× in this paper · explained in 13 episodes
• Gradient Flow — 1× in this paper · explained in 2 episodes
• Objective Function — 1× in this paper · explained in 2 episodes
• Principal Component Analysis (PCA) — 1× in this paper · explained in 4 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Transformer — 1× in this paper · explained in 2 episodes

Sources

• Fit or Unfit : Analysis and Prediction of 'Closed Questions' on Stack Overflow

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