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Related papers: DocFormer: End-to-End Transformer for Document Und…

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In this work, we propose a new framework, called Document Image Transformer (DocTr), to address the issue of geometry and illumination distortion of the document images. Specifically, DocTr consists of a geometric unwarping transformer and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hao Feng , Yuechen Wang , Wengang Zhou , Jiajun Deng , Houqiang Li

We propose VIAFormer, a Voxel-Image Alignment Transformer model designed for Multi-view Conditioned Voxel Refinement--the task of repairing incomplete noisy voxels using calibrated multi-view images as guidance. Its effectiveness stems from…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Tiancheng Fang , Bowen Pan , Lingxi Chen , Jiangjing Lyu , Chengfei Lyu , Chaoyue Niu , Fan Wu

The adoption of Vision Transformers (ViTs) based architectures represents a significant advancement in 3D Medical Image (MI) segmentation, surpassing traditional Convolutional Neural Network (CNN) models by enhancing global contextual…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Shehan Perera , Pouyan Navard , Alper Yilmaz

Translating renderings (e. g. PDFs, scans) into hierarchical document structures is extensively demanded in the daily routines of many real-world applications. However, a holistic, principled approach to inferring the complete hierarchical…

Machine Learning · Computer Science 2021-01-26 Johannes Rausch , Octavio Martinez , Fabian Bissig , Ce Zhang , Stefan Feuerriegel

3D occupancy, an advanced perception technology for driving scenarios, represents the entire scene without distinguishing between foreground and background by quantifying the physical space into a grid map. The widely adopted…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Jinke Li , Xiao He , Chonghua Zhou , Xiaoqiang Cheng , Yang Wen , Dan Zhang

Document structure editing involves manipulating localized textual, visual, and layout components in document images based on the user's requests. Past works have shown that multimodal grounding of user requests in the document image and…

Computation and Language · Computer Science 2024-10-23 Manan Suri , Puneet Mathur , Franck Dernoncourt , Rajiv Jain , Vlad I Morariu , Ramit Sawhney , Preslav Nakov , Dinesh Manocha

With the rapid advancement of digitalization, various document images are being applied more extensively in production and daily life, and there is an increasingly urgent need for fast and accurate parsing of the content in document images.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Feng Ni , Kui Huang , Yao Lu , Wenyu Lv , Guanzhong Wang , Zeyu Chen , Yi Liu

Humans can easily imagine the complete 3D geometry of occluded objects and scenes. This appealing ability is vital for recognition and understanding. To enable such capability in AI systems, we propose VoxFormer, a Transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yiming Li , Zhiding Yu , Christopher Choy , Chaowei Xiao , Jose M. Alvarez , Sanja Fidler , Chen Feng , Anima Anandkumar

With the emergence of VR and AR, 360{\deg} data attracts increasing attention from the computer vision and multimedia communities. Typically, 360{\deg} data is projected into 2D ERP (equirectangular projection) images for feature…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Yinjie Zhao , Lichen Zhao , Qian Yu , Jing Zhang , Lu Sheng , Dong Xu

This work presents DocPedia, a novel large multimodal model (LMM) for versatile OCR-free document understanding, capable of parsing images up to 2,560$\times$2,560 resolution. Unlike existing work either struggle with high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Hao Feng , Qi Liu , Hao Liu , Jingqun Tang , Wengang Zhou , Houqiang Li , Can Huang

Active research is currently underway to enhance the efficiency of vision transformers (ViTs). Most studies have focused solely on effective token mixers, overlooking the potential relationship with normalization. To boost diverse feature…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Jongseong Bae , Susang Kim , Minsu Cho , Ha Young Kim

In the domain of Document AI, parsing semi-structured image form is a crucial Key Information Extraction (KIE) task. The advent of pre-trained multimodal models significantly empowers Document AI frameworks to extract key information from…

Computation and Language · Computer Science 2024-12-19 Xianfu Cheng , Hang Zhang , Jian Yang , Xiang Li , Weixiao Zhou , Fei Liu , Kui Wu , Xiangyuan Guan , Tao Sun , Xianjie Wu , Tongliang Li , Zhoujun Li

Comprehending long visual documents, where information is distributed across extensive pages of text and visual elements, is a critical but challenging task for modern Vision-Language Models (VLMs). Existing approaches falter on a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Dawei Zhu , Rui Meng , Jiefeng Chen , Sujian Li , Tomas Pfister , Jinsung Yoon

Vision-Language Models (VLMs) excel in diverse visual tasks but face challenges in document understanding, which requires fine-grained text processing. While typical visual tasks perform well with low-resolution inputs, reading-intensive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Mor Shpigel Nacson , Aviad Aberdam , Roy Ganz , Elad Ben Avraham , Alona Golts , Yair Kittenplon , Shai Mazor , Ron Litman

Transformer, the model of choice for natural language processing, has drawn scant attention from the medical imaging community. Given the ability to exploit long-term dependencies, transformers are promising to help atypical convolutional…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Hong-Yu Zhou , Jiansen Guo , Yinghao Zhang , Lequan Yu , Liansheng Wang , Yizhou Yu

Vision Transformers have shown great performance in single tasks such as classification and segmentation. However, real-world problems are not isolated, which calls for vision transformers that can perform multiple tasks concurrently.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Yang Liu , Shen Yan , Yuge Zhang , Kan Ren , Quanlu Zhang , Zebin Ren , Deng Cai , Mi Zhang

Unsupervised pre-training on millions of digital-born or scanned documents has shown promising advances in visual document understanding~(VDU). While various vision-language pre-training objectives are studied in existing solutions, the…

Computation and Language · Computer Science 2022-12-20 Haoli Bai , Zhiguang Liu , Xiaojun Meng , Wentao Li , Shuang Liu , Nian Xie , Rongfu Zheng , Liangwei Wang , Lu Hou , Jiansheng Wei , Xin Jiang , Qun Liu

Shadows in scanned documents pose significant challenges for document analysis and recognition tasks due to their negative impact on visual quality and readability. Current shadow removal techniques, including traditional methods and deep…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Ziyang Zhou , Yingtie Lei , Xuhang Chen , Shenghong Luo , Wenjun Zhang , Chi-Man Pun , Zhen Wang

Visual document understanding (VDU) is a challenging task for large vision language models (LVLMs), requiring the integration of visual perception, text recognition, and reasoning over structured layouts. Although recent LVLMs have shown…

Computation and Language · Computer Science 2026-04-07 Haruka Kawasaki , Ryota Tanaka , Kyosuke Nishida

There is a recent trend in the LiDAR perception field towards unifying multiple tasks in a single strong network with improved performance, as opposed to using separate networks for each task. In this paper, we introduce a new LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Zixiang Zhou , Dongqiangzi Ye , Weijia Chen , Yufei Xie , Yu Wang , Panqu Wang , Hassan Foroosh