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There is a large collection of Handwritten English paper documents of Historical and Scientific importance. But paper documents are not recognized directly by computer. Hence the closest way of indexing these documents is by storing their…

计算机视觉与模式识别 · 计算机科学 2013-10-24 Sayantan Sarkar

Information Retrieval (IR) methods aim to identify documents relevant to a query, which have been widely applied in various natural language tasks. However, existing approaches typically consider only the textual content within documents,…

计算与语言 · 计算机科学 2026-01-26 Jaewoo Lee , Joonho Ko , Jinheon Baek , Soyeong Jeong , Sung Ju Hwang

It is challenging to train a robust object detector under the supervised learning setting when the annotated data are scarce. Thus, previous approaches tackling this problem are in two categories: semi-supervised learning models that…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Guanghan Ning , Guang Chen , Chaowei Tan , Si Luo , Liefeng Bo , Heng Huang

The study of ancient documents provides a glimpse into our past. However, the low image quality and intricate details commonly found in these documents present significant challenges for accurate object detection. The objective of this…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Zahra Ziran , Francesco Leotta , Massimo Mecella

This paper proposes LayoutLLM, a more flexible document analysis method for understanding imaged documents. Visually Rich Document Understanding tasks, such as document image classification and information extraction, have gained…

计算与语言 · 计算机科学 2024-03-22 Masato Fujitake

Visually-rich Document Understanding (VrDU) has attracted much research attention over the past years. Pre-trained models on a large number of document images with transformer-based backbones have led to significant performance gains in…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Yi Tu , Ya Guo , Huan Chen , Jinyang Tang

Many business documents processed in modern NLP and IR pipelines are visually rich: in addition to text, their semantics can also be captured by visual traits such as layout, format, and fonts. We study the problem of information extraction…

计算与语言 · 计算机科学 2020-05-25 Mengxi Wei , Yifan He , Qiong Zhang

We present a novel approach to place recognition well-suited to environments with many dynamic objects--objects that may or may not be present in an agent's subsequent visits. By incorporating an object-detecting preprocessing step, our…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Juan Pablo Munoz , Scott Dexter

Object detection and semantic segmentation with the 3D lidar point cloud data require expensive annotation. We propose a data augmentation method that takes advantage of already annotated data multiple times. We propose an augmentation…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Petr Šebek , Šimon Pokorný , Patrik Vacek , Tomáš Svoboda

With the rapid proliferation of multimodal information, Visual Document Retrieval (VDR) has emerged as a critical frontier in bridging the gap between unstructured visually rich data and precise information acquisition. Unlike traditional…

Extracting information from unstructured text documents is a demanding task, since these documents can have a broad variety of different layouts and a non-trivial reading order, like it is the case for multi-column documents or nested…

人工智能 · 计算机科学 2022-02-08 Matthias Engelbach , Dennis Klau , Jens Drawehn , Maximilien Kintz

In the past few years, numerous Deep Neural Network (DNN) models and frameworks have been developed to tackle the problem of real-time object detection from RGB images. Ordinary object detection approaches process information from the…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Xiang Li , Yuan Tian , Fuyao Zhang , Shuxue Quan , Yi Xu

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…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Dawei Zhu , Rui Meng , Jiefeng Chen , Sujian Li , Tomas Pfister , Jinsung Yoon

Visual surveillance aims to stably detect a foreground object using a continuous image acquired from a fixed camera. Recent deep learning methods based on supervised learning show superior performance compared to classical background…

计算机视觉与模式识别 · 计算机科学 2021-02-16 Jae-Yeul Kim , Jong-Eun Ha

We propose an object detector for top-view grid maps which is additionally trained to generate an enriched version of its input. Our goal in the joint model is to improve generalization by regularizing towards structural knowledge in form…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Sascha Wirges , Ye Yang , Sven Richter , Haohao Hu , Christoph Stiller

In this paper, the main task we aim to tackle is the multi-instance semi-supervised video object segmentation across a sequence of frames where only the first-frame box-level ground-truth is provided. Detection-based algorithms are widely…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Mingjie Sun , Jimin Xiao , Eng Gee Lim , Bingfeng Zhang , Yao Zhao

Object localization has been a crucial task in computer vision field. Methods of localizing objects in an image have been proposed based on the features of the attended pixels. Recently researchers have proposed methods to formulate object…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Manoosh Samiei , Ruofeng Li

In recent years, online Video Instance Segmentation (VIS) methods have shown remarkable advancement with their powerful query-based detectors. Utilizing the output queries of the detector at the frame-level, these methods achieve high…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Hanjung Kim , Jaehyun Kang , Miran Heo , Sukjun Hwang , Seoung Wug Oh , Seon Joo Kim

Object Recognition and Document Skew Estimation have come a long way in terms of performance and efficiency. New models follow one of two directions: improving performance using larger models, and improving efficiency using smaller models.…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Lucas Wojcik , Luiz Coelho , Roger Granada , David Menotti

Deep-Learning-based video recognition has shown promising improvements along with the development of large-scale datasets and spatiotemporal network architectures. In image recognition, learning spatially invariant features is a key factor…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Taeoh Kim , Hyeongmin Lee , MyeongAh Cho , Ho Seong Lee , Dong Heon Cho , Sangyoun Lee