BookNet: Book Image Rectification via Cross-Page Attention Network

• URL: http://arxiv.org/abs/2601.21938v1
• Date: Thu, 29 Jan 2026 16:26:25 GMT
• Title: BookNet: Book Image Rectification via Cross-Page Attention Network
• Authors: Shaokai Liu, Hao Feng, Bozhi Luan, Min Hou, Jiajun Deng, Wengang Zhou,
• Abstract summary: We introduce BookNet, the first end-to-end deep learning framework specifically designed for dual-page book image rectification.<n>BookNet adopts a dual-branch architecture with cross-page attention mechanisms, enabling it to estimate warping flows for both individual pages and the complete book spread.<n>To address the absence of specialized datasets, we present Book3D, a large-scale synthetic dataset for training, and Book100, a comprehensive real-world benchmark for evaluation.
• Score: 61.60737484928661
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Book image rectification presents unique challenges in document image processing due to complex geometric distortions from binding constraints, where left and right pages exhibit distinctly asymmetric curvature patterns. However, existing single-page document image rectification methods fail to capture the coupled geometric relationships between adjacent pages in books. In this work, we introduce BookNet, the first end-to-end deep learning framework specifically designed for dual-page book image rectification. BookNet adopts a dual-branch architecture with cross-page attention mechanisms, enabling it to estimate warping flows for both individual pages and the complete book spread, explicitly modeling how left and right pages influence each other. Moreover, to address the absence of specialized datasets, we present Book3D, a large-scale synthetic dataset for training, and Book100, a comprehensive real-world benchmark for evaluation. Extensive experiments demonstrate that BookNet outperforms existing state-of-the-art methods on book image rectification. Code and dataset will be made publicly available.

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