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Although a polygon is a more accurate representation than an upright bounding box for text detection, the annotations of polygons are extremely expensive and challenging. Unlike existing works that employ fully-supervised training with…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Weijia Wu , Enze Xie , Ruimao Zhang , Wenhai Wang , Hong Zhou , Ping Luo

Annotating bounding boxes for object detection is expensive, time-consuming, and error-prone. In this work, we propose a DETR based framework called ComplETR that is designed to explicitly complete missing annotations in partially annotated…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Achin Jain , Kibok Lee , Gurumurthy Swaminathan , Hao Yang , Bernt Schiele , Avinash Ravichandran , Onkar Dabeer

Recent perception-generalist approaches based on language models have achieved state-of-the-art results across diverse tasks, including 3D scene layout estimation and 3D object detection, via unified architecture and interface. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Ruihong Yin , Xuepeng Shi , Oleksandr Bailo , Marco Manfredi , Theo Gevers

Recently, scene text detection has become an active research topic in computer vision and document analysis, because of its great importance and significant challenge. However, vast majority of the existing methods detect text within local…

Computer Vision and Pattern Recognition · Computer Science 2016-07-06 Cong Yao , Xiang Bai , Nong Sang , Xinyu Zhou , Shuchang Zhou , Zhimin Cao

Multi-vector retrieval models such as ColBERT [Khattab and Zaharia, 2020] allow token-level interactions between queries and documents, and hence achieve state of the art on many information retrieval benchmarks. However, their non-linear…

Computation and Language · Computer Science 2024-04-10 Jinhyuk Lee , Zhuyun Dai , Sai Meher Karthik Duddu , Tao Lei , Iftekhar Naim , Ming-Wei Chang , Vincent Y. Zhao

Code retrieval techniques and tools have been playing a key role in facilitating software developers to retrieve existing code fragments from available open-source repositories given a user query. Despite the existing efforts in improving…

Software Engineering · Computer Science 2019-10-01 Yao Wan , Jingdong Shu , Yulei Sui , Guandong Xu , Zhou Zhao , Jian Wu , Philip S. Yu

Remote sensing text--image retrieval (RSTIR) aims to retrieve the matched remote sensing (RS) images from the database according to the descriptive text. Recently, the rapid development of large visual-language pre-training models provides…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Weihang Zhang , Jihao Li , Shuoke Li , Ziqing Niu , Jialiang Chen , Wenkai Zhang

We present MMOCR-an open-source toolbox which provides a comprehensive pipeline for text detection and recognition, as well as their downstream tasks such as named entity recognition and key information extraction. MMOCR implements 14…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Zhanghui Kuang , Hongbin Sun , Zhizhong Li , Xiaoyu Yue , Tsui Hin Lin , Jianyong Chen , Huaqiang Wei , Yiqin Zhu , Tong Gao , Wenwei Zhang , Kai Chen , Wayne Zhang , Dahua Lin

Text in natural images is of arbitrary orientations, requiring detection in terms of oriented bounding boxes. Normally, a multi-oriented text detector often involves two key tasks: 1) text presence detection, which is a classification…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Minghui Liao , Zhen Zhu , Baoguang Shi , Gui-song Xia , Xiang Bai

In this paper, we present a method for enhancing the accuracy of scene text recognition tasks by judging whether the image and text match each other. While previous studies focused on generating the recognition results from input images,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Masato Fujitake

Recent models for cross-modal retrieval have benefited from an increasingly rich understanding of visual scenes, afforded by scene graphs and object interactions to mention a few. This has resulted in an improved matching between the visual…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Andrés Mafla , Rafael Sampaio de Rezende , Lluís Gómez , Diane Larlus , Dimosthenis Karatzas

Interactive Text-to-image retrieval (I-TIR) is an important enabler for a wide range of state-of-the-art services in domains such as e-commerce and education. However, current methods rely on finetuned Multimodal Large Language Models…

Information Retrieval · Computer Science 2025-07-11 Zijun Long , Kangheng Liang , Gerardo Aragon-Camarasa , Richard Mccreadie , Paul Henderson

Existing leading methods for spectral reconstruction (SR) focus on designing deeper or wider convolutional neural networks (CNNs) to learn the end-to-end mapping from the RGB image to its hyperspectral image (HSI). These CNN-based methods…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yuanhao Cai , Jing Lin , Zudi Lin , Haoqian Wang , Yulun Zhang , Hanspeter Pfister , Radu Timofte , Luc Van Gool

Irregular text is widely used. However, it is considerably difficult to recognize because of its various shapes and distorted patterns. In this paper, we thus propose a multi-object rectified attention network (MORAN) for general scene text…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Canjie Luo , Lianwen Jin , Zenghui Sun

State-of-the-art retrieval models typically address a straightforward search scenario, in which retrieval tasks are fixed (e.g., finding a passage to answer a specific question) and only a single modality is supported for both queries and…

Computation and Language · Computer Science 2025-02-25 Sheng-Chieh Lin , Chankyu Lee , Mohammad Shoeybi , Jimmy Lin , Bryan Catanzaro , Wei Ping

Scaling multimodal large language models (MLLMs) to long videos is constrained by limited context windows. While retrieval-augmented generation (RAG) is a promising remedy by organizing query-relevant visual evidence into a compact context,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Honghao Fu , Miao Xu , Yiwei Wang , Dailing Zhang , Jun Liu , Yujun Cai

Textual data question answering has gained significant attention due to its growing applicability. Recently, a novel approach leveraging the Retrieval-Augmented Generation (RAG) method was introduced, utilizing the Prize-Collecting Steiner…

Machine Learning · Computer Science 2025-04-22 Manthankumar Solanki

Regulatory documents are rich in nuanced terminology and specialized semantics. FRAG systems: Frozen retrieval-augmented generators utilizing pre-trained (or, frozen) components face consequent challenges with both retriever and answering…

Information Retrieval · Computer Science 2024-12-16 Yash Malviya , Karan Dhingra , Maneesh Singh

Reading text from natural images is challenging due to the great variety in text font, color, size, complex background and etc.. The perspective distortion and non-linear spatial arrangement of characters make it further difficult. While…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Shangbang Long , Yushuo Guan , Bingxuan Wang , Kaigui Bian , Cong Yao

Multi-modal models have shown appealing performance in visual recognition tasks, as free-form text-guided training evokes the ability to understand fine-grained visual content. However, current models cannot be trivially applied to scene…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Yongkun Du , Zhineng Chen , Yuchen Su , Caiyan Jia , Yu-Gang Jiang