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Zhenhua Yang

5 accepted papers

2026

Focus Like a Human: Efficient GUI Grounding via Coarse-to-Fine Visual Attention and Parallel Verification

IJCAI 2026

Building upon powerful Large Visual Language Models, recent GUI agents have revolutionized autonomous GUI interaction. Given the high information density and structural complexity of GUI layouts, a critical challenge lies in accurately identifying where to focus, i.e., precise GUI grounding. To ensu

Cited by 0Scholar
2025

Predicting the Original Appearance of Damaged Historical Documents

AAAI 2025technical

Historical documents encompass a wealth of cultural treasures but suffer from severe damages including character missing, paper damage, and ink erosion over time. However, existing document processing methods primarily focus on binarization, enhancement, etc., neglecting the repair of these damages.…

2025

Reviving Cultural Heritage: A Novel Approach for Comprehensive Historical Document Restoration

ACL 2025long

Historical documents represent an invaluable cultural heritage, yet have undergone significant degradation over time through tears, water erosion, and oxidation. Existing Historical Document Restoration (HDR) methods primarily focus on single modality or limited-size restoration, failing to meet pra…

2024

FontDiffuser: One-Shot Font Generation via Denoising Diffusion with Multi-Scale Content Aggregation and Style Contrastive Learning

AAAI 2024technical

Automatic font generation is an imitation task, which aims to create a font library that mimics the style of reference images while preserving the content from source images. Although existing font generation methods have achieved satisfactory performance, they still struggle with complex characters…

2024

UPOCR: Towards Unified Pixel-Level OCR Interface

ICML 2024poster

Existing optical character recognition (OCR) methods rely on task-specific designs with divergent paradigms, architectures, and training strategies, which significantly increases the complexity of research and maintenance and hinders the fast deployment in applications. To this end, we propose UPOCR…