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Text erasure from an image is helpful for various tasks such as image editing and privacy preservation. In this paper, we present TPFNet, a novel one-stage (end-toend) network for text removal from images. Our network has two parts: feature…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Onkar Susladkar , Dhruv Makwana , Gayatri Deshmukh , Sparsh Mittal , Sai Chandra Teja R , Rekha Singhal

This paper presents a method, called AOGTracker, for simultaneously tracking, learning and parsing (TLP) of unknown objects in video sequences with a hierarchical and compositional And-Or graph (AOG) representation. %The AOG captures both…

计算机视觉与模式识别 · 计算机科学 2016-09-06 Tianfu Wu , Yang Lu , Song-Chun Zhu

Benchmark datasets for table structure recognition (TSR) must be carefully processed to ensure they are annotated consistently. However, even if a dataset's annotations are self-consistent, there may be significant inconsistency across…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Brandon Smock , Rohith Pesala , Robin Abraham

Scene text recognition has witnessed rapid development with the advance of convolutional neural networks. Nonetheless, most of the previous methods may not work well in recognizing text with low resolution which is often seen in natural…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Wenjia Wang , Enze Xie , Peize Sun , Wenhai Wang , Lixun Tian , Chunhua Shen , Ping Luo

Document structure extraction has been a widely researched area for decades with recent works performing it as a semantic segmentation task over document images using fully-convolution networks. Such methods are limited by image resolution…

机器学习 · 计算机科学 2021-07-12 Milan Aggarwal , Hiresh Gupta , Mausoom Sarkar , Balaji Krishnamurthy

Incorporating external knowledge bases in traditional retrieval-augmented generation (RAG) relies on parsing the document, followed by querying a language model with the parsed information via in-context learning. While effective for…

计算与语言 · 计算机科学 2026-02-03 Jacob Si , Mike Qu , Michelle Lee , Marek Rei , Yingzhen Li

With the rapid development of the internet in the past decade, it has become increasingly important to extract valuable information from vast resources efficiently, which is crucial for establishing a comprehensive digital ecosystem,…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Jinghong Li , Wen Gu , Koichi Ota , Shinobu Hasegawa

With the widespread use of mobile phones and scanners to photograph and upload documents, the need for extracting the information trapped in unstructured document images such as retail receipts, insurance claim forms and financial invoices…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Shubham Paliwal , Vishwanath D , Rohit Rahul , Monika Sharma , Lovekesh Vig

Document layout analysis is crucial for understanding document structures. On this task, vision and semantics of documents, and relations between layout components contribute to the understanding process. Though many works have been…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Peng Zhang , Can Li , Liang Qiao , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Fei Wu

State-of-the-art scene text detection techniques predict quadrilateral boxes that are prone to localization errors while dealing with straight or curved text lines of different orientations and lengths in scenes. This paper presents a novel…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Chuhui Xue , Shijian Lu , Wei Zhang

Tensor program tuning is a non-convex objective optimization problem, to which search-based approaches have proven to be effective. At the core of the search-based approaches lies the design of the cost model. Though deep learning-based…

机器学习 · 计算机科学 2022-11-23 Yi Zhai , Yu Zhang , Shuo Liu , Xiaomeng Chu , Jie Peng , Jianmin Ji , Yanyong Zhang

Visual Place Recognition (VPR) determines a query image's geographic location by matching it against geotagged databases. However, existing methods struggle with perceptual aliasing caused by irrelevant regions and inefficient re-ranking…

计算机视觉与模式识别 · 计算机科学 2026-04-27 Shunpeng Chen , Yukun Song , Changwei Wang , Rongtao Xu , Kexue Fu , Longxiang Gao , Li Guo , Ruisheng Wang , Shibiao Xu

Text detection and recognition in natural images have long been considered as two separate tasks that are processed sequentially. Training of two tasks in a unified framework is non-trivial due to significant dif- ferences in optimisation…

计算机视觉与模式识别 · 计算机科学 2018-03-26 Tong He , Zhi Tian , Weilin Huang , Chunhua Shen , Yu Qiao , Changming Sun

Document extraction is an important step before retrieval-augmented generation (RAG), knowledge bases, and downstream generative AI can work. It turns unstructured documents like PDFs and scans into structured text and layout-aware…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Aman Ulla

Table structure recognition aims to parse tables in unstructured data into machine-understandable formats. Recent methods address this problem through a two-stage process or optimized one-stage approaches. However, these methods either…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Anyi Xiao , Cihui Yang

The research focus of scene text detection and recognition has shifted to arbitrary shape text in recent years, where the text shape representation is a fundamental problem. An ideal representation should be compact, complete, efficient,…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Wei Wang , Yu Zhou , Jiahao Lv , Dayan Wu , Guoqing Zhao , Ning Jiang , Weiping Wang

This research introduces an innovative method for Traffic Sign Recognition (TSR) by leveraging deep learning techniques, with a particular emphasis on Vision Transformers. TSR holds a vital role in advancing driver assistance systems and…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Susano Mingwin , Yulong Shisu , Yongshuai Wanwag , Sunshin Huing

Only learning one projection matrix from original samples to the corresponding binary labels is too strict and will consequentlly lose some intrinsic geometric structures of data. In this paper, we propose a novel transition subspace…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Zhe Chen , Xiao-Jun Wu , Josef Kittler

Pre-trained foundation models have recently made significant progress in table-related tasks such as table understanding and reasoning. However, recognizing the structure and content of unstructured tables using Vision Large Language Models…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Yitong Zhou , Mingyue Cheng , Qingyang Mao , Feiyang Xu , Xin Li

Text recognition is a long-standing research problem for document digitalization. Existing approaches are usually built based on CNN for image understanding and RNN for char-level text generation. In addition, another language model is…

计算与语言 · 计算机科学 2022-09-07 Minghao Li , Tengchao Lv , Jingye Chen , Lei Cui , Yijuan Lu , Dinei Florencio , Cha Zhang , Zhoujun Li , Furu Wei