HCAIApr 15, 2025

Hashigo: A Next Generation Sketch Interactive System for Japanese Kanji

arXiv:2504.13940v135 citationsh-index: 28IAAI
Originality Incremental advance
AI Analysis

This addresses the problem of ineffective kanji learning for language students by providing automated, targeted feedback to correct deficiencies.

The paper tackles the problem of insufficient written technique assessment in existing kanji handwriting recognition systems, which can lead students to develop bad learning habits. The result is Hashigo, a sketch interactive system that achieves human instructor-level critique and feedback on both visual structure and written technique of sketched kanji.

Language students can increase their effectiveness in learning written Japanese by mastering the visual structure and written technique of Japanese kanji. Yet, existing kanji handwriting recognition systems do not assess the written technique sufficiently enough to discourage students from developing bad learning habits. In this paper, we describe our work on Hashigo, a kanji sketch interactive system which achieves human instructor-level critique and feedback on both the visual structure and written technique of students' sketched kanji. This type of automated critique and feedback allows students to target and correct specific deficiencies in their sketches that, if left untreated, are detrimental to effective long-term kanji learning.

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