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Tabular structures are used to present crucial information in a structured and crisp manner. Detection of such regions is of great importance for proper understanding of a document. Tabular structures can be of various layouts and types.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Soumyadeep Dey , Jayanta Mukhopadhyay , Shamik Sural

We present a novel deep-learning-based method to cluster words in documents which we apply to detect and recognize tables given the OCR output. We interpret table structure bottom-up as a graph of relations between pairs of words (belonging…

Machine Learning · Computer Science 2024-05-24 Marek Polewczyk , Marco Spinaci

In the Complex Video Object Segmentation task, researchers are required to track and segment specific targets within cluttered environments, which rigorously tests a method's capability for target comprehension and environmental…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Jinrong Zhang , Canyang Wu , Xusheng He , Weili Guan , Jianlong Wu , Liqiang Nie

Table detection, a pivotal task in document analysis, aims to precisely recognize and locate tables within document images. Although deep learning has shown remarkable progress in this realm, it typically requires an extensive dataset of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Iqraa Ehsan , Tahira Shehzadi , Didier Stricker , Muhammad Zeshan Afzal

Existing methods for Table Structure Recognition (TSR) from camera-captured or scanned documents perform poorly on complex tables consisting of nested rows / columns, multi-line texts and missing cell data. This is because current…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Arushi Jain , Shubham Paliwal , Monika Sharma , Lovekesh Vig

Thermal infrared image enhancement aims to restore high-quality images from complex compound degradations. Existing all-in-one approaches typically employ a single shared backbone to handle diverse degradations, which causes gradient…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Pu Li , Huafeng Li , Yafei Zhang , Yu Liu , Wen Wang

An automatic table recognition method for interpretation of tabular data in document images majorly involves solving two problems of table detection and table structure recognition. The prior work involved solving both problems…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Devashish Prasad , Ayan Gadpal , Kshitij Kapadni , Manish Visave , Kavita Sultanpure

Region-based methods have proven necessary for improving segmentation accuracy of neuronal structures in electron microscopy (EM) images. Most region-based segmentation methods use a scoring function to determine region merging. Such…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Ting Liu , Miaomiao Zhang , Mehran Javanmardi , Nisha Ramesh , Tolga Tasdizen

Detection of oil spills from satellite images is essential for both environmental surveillance and maritime safety. Traditional threshold-based methods frequently encounter performance degradation due to very high false alarm rates caused…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Pavan Kumar Yata , Pediredla Pradeep , Goli Himanish , Swathi M

Tables are information-rich structured objects in document images. While significant work has been done in localizing tables as graphic objects in document images, only limited attempts exist on table structure recognition. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Sachin Raja , Ajoy Mondal , C. V. Jawahar

Recent work on curvilinear structure segmentation has mostly focused on backbone network design and loss engineering. The challenge of collecting labelled data, an expensive and labor intensive process, has been overlooked. While labelled…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Xun Xu , Manh Cuong Nguyen , Yasin Yazici , Kangkang Lu , Hlaing Min , Chuan-Sheng Foo

Existing state-of-the-art 3D point cloud understanding methods merely perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework that simultaneously solves the downstream high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Kangcheng Liu

Tables present summarized and structured information to the reader, which makes table structure extraction an important part of document understanding applications. However, table structure identification is a hard problem not only because…

Computer Vision and Pattern Recognition · Computer Science 2020-02-07 Saqib Ali Khan , Syed Muhammad Daniyal Khalid , Muhammad Ali Shahzad , Faisal Shafait

Table extraction is an important but still unsolved problem. In this paper, we introduce a flexible and modular table extraction system. We develop two rule-based algorithms that perform the complete table recognition process, including…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Marcin Namysl , Alexander M. Esser , Sven Behnke , Joachim Köhler

Sequential DeepFake detection is an emerging task that predicts the manipulation sequence in order. Existing methods typically formulate it as an image-to-sequence problem, employing conventional Transformer architectures. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Yunfei Li , Yuezun Li , Baoyuan Wu , Junyu Dong , Guopu Zhu , Siwei Lyu

We present the novel Efficient Line Segment Detector and Descriptor (ELSD) to simultaneously detect line segments and extract their descriptors in an image. Unlike the traditional pipelines that conduct detection and description separately,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Haotian Zhang , Yicheng Luo , Fangbo Qin , Yijia He , Xiao Liu

Image segmentation aims to partition an image according to the objects in the scene and is a fundamental step in analysing very high spatial-resolution (VHR) remote sensing imagery. Current methods struggle to effectively consider land…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Xianwei Lv , Claudio Persello , Wangbin Li , Xiao Huang , Dongping Ming , Alfred Stein

Accurate segmentation and measurement of lithography scanning electron microscope (SEM) images are crucial for ensuring precise process control, optimizing device performance, and advancing semiconductor manufacturing yield. Lithography…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Xinyu He , Botong Zhao , Bingbing Li , Shujing Lyu , Jiwei Shen , Yue Lu

Multi-sensor fusion in autonomous vehicles is becoming more common to offer a more robust alternative for several perception tasks. This need arises from the unique contribution of each sensor in collecting data: camera-radar fusion offers…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Ruan Bispo , Tim Brophy , Reenu Mohandas , Anthony Scanlan , Ciarán Eising

Referring Expression Segmentation (RES) aims to segment image regions described by natural-language expressions, serving as a bridge between vision and language understanding. Existing RES methods, however, rely heavily on large annotated…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Weiming Zhang , Dingwen Xiao , Songyue Guo , Guangyu Xiang , Shiqi Wen , Minwei Zhao , Lei Chen , Lin Wang