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Related papers: UPOCR: Towards Unified Pixel-Level OCR Interface

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Visual Place Recognition (VPR) has been traditionally formulated as a single-image retrieval task. Using multiple views offers clear advantages, yet this setting remains relatively underexplored and existing methods often struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Tianchen Deng , Xun Chen , Ziming Li , Hongming Shen , Danwei Wang , Javier Civera , Hesheng Wang

Optical Character Recognition (OCR) on historical printings is a challenging task mainly due to the complexity of the layout and the highly variant typography. Nevertheless, in the last few years great progress has been made in the area of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Christian Reul , Dennis Christ , Alexander Hartelt , Nico Balbach , Maximilian Wehner , Uwe Springmann , Christoph Wick , Christine Grundig , Andreas Büttner , Frank Puppe

We introduce UViM, a unified approach capable of modeling a wide range of computer vision tasks. In contrast to previous models, UViM has the same functional form for all tasks; it requires no task-specific modifications which require…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Alexander Kolesnikov , André Susano Pinto , Lucas Beyer , Xiaohua Zhai , Jeremiah Harmsen , Neil Houlsby

The performance of optical character recognition (OCR) heavily relies on document image quality, which is crucial for automatic document processing and document intelligence. However, most existing document enhancement methods require…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Jiaxin Zhang , Joy Rimchala , Lalla Mouatadid , Kamalika Das , Sricharan Kumar

This paper presents a simple and effective visual prompting method for adapting pre-trained models to downstream recognition tasks. Our method includes two key designs. First, rather than directly adding together the prompt and the image,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Junyang Wu , Xianhang Li , Chen Wei , Huiyu Wang , Alan Yuille , Yuyin Zhou , Cihang Xie

Recently, Vision-Language Pre-training (VLP) techniques have greatly benefited various vision-language tasks by jointly learning visual and textual representations, which intuitively helps in Optical Character Recognition (OCR) tasks due to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Chuhui Xue , Wenqing Zhang , Yu Hao , Shijian Lu , Philip Torr , Song Bai

Universal Image Segmentation is not a new concept. Past attempts to unify image segmentation in the last decades include scene parsing, panoptic segmentation, and, more recently, new panoptic architectures. However, such panoptic…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Jitesh Jain , Jiachen Li , MangTik Chiu , Ali Hassani , Nikita Orlov , Humphrey Shi

Humans recognize the visual world at multiple levels: we effortlessly categorize scenes and detect objects inside, while also identifying the textures and surfaces of the objects along with their different compositional parts. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Tete Xiao , Yingcheng Liu , Bolei Zhou , Yuning Jiang , Jian Sun

Optical character recognition (OCR) and multilingual text understanding remain major failure modes of multimodal large language models (MLLMs), particularly in real-world images containing cluttered layouts, small fonts, blur, occlusion,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Qinwu Xu , Yifan Jiang , Haoyu Ren

Effective code retrieval is indispensable and it has become an important paradigm to search code in hybrid mode using both natural language and code snippets. Nevertheless, it remains unclear whether existing approaches can effectively…

Software Engineering · Computer Science 2026-03-09 Yang Yang , Li Kuang , Jiakun Liu , Zhongxin Liu , Yingjie Xia , David Lo

In recent years, notable advancements have been made in the domain of visual document understanding, with the prevailing architecture comprising a cascade of vision and language models. The text component can either be extracted explicitly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Ofir Abramovich , Niv Nayman , Sharon Fogel , Inbal Lavi , Ron Litman , Shahar Tsiper , Royee Tichauer , Srikar Appalaraju , Shai Mazor , R. Manmatha

Compressed Image Super-resolution (CSR) aims to simultaneously super-resolve the compressed images and tackle the challenging hybrid distortions caused by compression. However, existing works on CSR usually focuses on a single compression…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xin Li , Bingchen Li , Yeying Jin , Cuiling Lan , Hanxin Zhu , Yulin Ren , Zhibo Chen

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

In this paper, we present an Optical Character Recognition (OCR) system specifically designed for the accurate recognition and digitization of Greek polytonic texts. By leveraging the combined strengths of convolutional layers for feature…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Perifanos Konstantinos , Goutsos Dionisis

This paper proposes a simple, yet effective framework, called GiT, simultaneously applicable for various vision tasks only with a vanilla ViT. Motivated by the universality of the Multi-layer Transformer architecture (e.g, GPT) widely used…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Haiyang Wang , Hao Tang , Li Jiang , Shaoshuai Shi , Muhammad Ferjad Naeem , Hongsheng Li , Bernt Schiele , Liwei Wang

Recent advances in Large Multi-modal Models (LMMs) have demonstrated their remarkable success as general-purpose multi-modal assistants, with particular focuses on holistic image- and video-language understanding. Conversely, less attention…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ye Liu , Zongyang Ma , Junfu Pu , Zhongang Qi , Yang Wu , Ying Shan , Chang Wen Chen

Knowledge-intensive language tasks (KILTs) benefit from retrieving high-quality relevant contexts from large external knowledge corpora. Learning task-specific retrievers that return relevant contexts at an appropriate level of semantic…

Information Retrieval · Computer Science 2023-05-01 Jiangui Chen , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Yiqun Liu , Yixing Fan , Xueqi Cheng

With the comprehensive research conducted on various face analysis tasks, there is a growing interest among researchers to develop a unified approach to face perception. Existing methods mainly discuss unified representation and training,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Lixiong Qin , Mei Wang , Xuannan Liu , Yuhang Zhang , Wei Deng , Xiaoshuai Song , Weiran Xu , Weihong Deng

Existing methods for vision-and-language learning typically require designing task-specific architectures and objectives for each task. For example, a multi-label answer classifier for visual question answering, a region scorer for…

Computation and Language · Computer Science 2021-05-25 Jaemin Cho , Jie Lei , Hao Tan , Mohit Bansal

Document Layout Parsing serves as a critical gateway for Artificial Intelligence (AI) to access and interpret the world's vast stores of structured knowledge. This process,which encompasses layout detection, text recognition, and relational…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Yumeng Li , Guang Yang , Hao Liu , Bowen Wang , Colin Zhang
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