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Visual prompting infuses visual information into the input image to adapt models toward specific predictions and tasks. Recently, manually crafted markers such as red circles are shown to guide the model to attend to a target region on the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Razieh Rezaei , Masoud Jalili Sabet , Jindong Gu , Daniel Rueckert , Philip Torr , Ashkan Khakzar

In this paper we propose an approach to lexicon-free recognition of text in scene images. Our approach relies on a LSTM-based soft visual attention model learned from convolutional features. A set of feature vectors are derived from an…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Suman K. Ghosh , Ernest Valveny , Andrew D. Bagdanov

Numerous scene text detection methods have been proposed in recent years. Most of them declare they have achieved state-of-the-art performances. However, the performance comparison is unfair, due to lots of inconsistent settings (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Pengwen Dai , Xiaochun Cao

Text prompts are crucial for generalizing pre-trained open-set object detection models to new categories. However, current methods for text prompts are limited as they require manual feedback when generalizing to new categories, which…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Qibo Chen , Weizhong Jin , Shuchang Li , Mengdi Liu , Li Yu , Jian Jiang , Xiaozheng Wang

Image captioning models generally lack the capability to take into account user interest, and usually default to global descriptions that try to balance readability, informativeness, and information overload. On the other hand, VQA models…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Edwin G. Ng , Bo Pang , Piyush Sharma , Radu Soricut

Conversational Recommender Systems (CRSs) have attracted growing attention for their ability to deliver personalized recommendations through natural language interactions. To more accurately infer user preferences from multi-turn…

Information Retrieval · Computer Science 2026-01-21 Wei Yuan , Shutong Qiao , Tong Chen , Quoc Viet Hung Nguyen , Zi Huang , Hongzhi Yin

Scene text recognition is an important and challenging task in computer vision. However, most prior works focus on recognizing pre-defined words, while there are various out-of-vocabulary (OOV) words in real-world applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Xuhua Ren , Hengcan Shi , Jin Li

Scene text retrieval aims to find all images containing the query text from an image gallery. Current efforts tend to adopt an Optical Character Recognition (OCR) pipeline, which requires complicated text detection and/or recognition…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Gangyan Zeng , Yuan Zhang , Jin Wei , Dongbao Yang , Peng Zhang , Yiwen Gao , Xugong Qin , Yu Zhou

Current state-of-the-art trackers only rely on a target appearance model in order to localize the object in each frame. Such approaches are however prone to fail in case of e.g. fast appearance changes or presence of distractor objects,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Goutam Bhat , Martin Danelljan , Luc Van Gool , Radu Timofte

In this paper, we propose Text-Aware Pre-training (TAP) for Text-VQA and Text-Caption tasks. These two tasks aim at reading and understanding scene text in images for question answering and image caption generation, respectively. In…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Zhengyuan Yang , Yijuan Lu , Jianfeng Wang , Xi Yin , Dinei Florencio , Lijuan Wang , Cha Zhang , Lei Zhang , Jiebo Luo

Imagery texts are usually organized as a hierarchy of several visual elements, i.e. characters, words, text lines and text blocks. Among these elements, character is the most basic one for various languages such as Western, Chinese,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-23 Han Hu , Chengquan Zhang , Yuxuan Luo , Yuzhuo Wang , Junyu Han , Errui Ding

Most TextVQA approaches focus on the integration of objects, scene texts and question words by a simple transformer encoder. But this fails to capture the semantic relations between different modalities. The paper proposes a Scene Graph…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Feiqi Cao , Siwen Luo , Felipe Nunez , Zean Wen , Josiah Poon , Caren Han

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

Ultra-low bitrate image compression faces a critical challenge: preserving small-font scene text while maintaining overall visual quality. Region-of-interest (ROI) bit allocation can prioritize text but often degrades global fidelity,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Bingxin Wang , Yuan Lan , Zhaoyi Sun , Yang Xiang , Jie Sun

Diffusion-based scene text synthesis has progressed rapidly, yet existing methods commonly rely on additional visual conditioning modules and require large-scale annotated data to support multilingual generation. In this work, we revisit…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Yu Xie , Jielei Zhang , Pengyu Chen , Weihang Wang , Longwen Gao , Peiyi Li , Qian Qiao , Zhouhui Lian

Large pretrained language models have been performing increasingly well in a variety of downstream tasks via prompting. However, it remains unclear from where the model learns the task-specific knowledge, especially in a zero-shot setup. In…

Computation and Language · Computer Science 2022-05-26 Xiaochuang Han , Yulia Tsvetkov

The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

At present, multi-oriented text detection methods based on deep neural network have achieved promising performances on various benchmarks. Nevertheless, there are still some difficulties for arbitrary shape text detection, especially for a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 XiaoQian Li , Jie Liu , ShuWu Zhang , GuiXuan Zhang

In-context learning allows adapting a model to new tasks given a task description at test time. In this paper, we present IMProv - a generative model that is able to in-context learn visual tasks from multimodal prompts. Given a textual…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Jiarui Xu , Yossi Gandelsman , Amir Bar , Jianwei Yang , Jianfeng Gao , Trevor Darrell , Xiaolong Wang