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Federated causal discovery aims to uncover the causal relationships between entities while protecting data privacy, which has significant importance and numerous applications in real-world scenarios. Existing federated causal structure…

Machine Learning · Computer Science 2025-07-10 Wei Chen , Wanyang Gu , Linjun Peng , Ruichu Cai , Zhifeng Hao , Kun Zhang

Tabular documents such as CSV and Excel files are widely used in enterprise data pipelines, yet existing chunking strategies for retrieval-augmented generation (RAG) are primarily designed for unstructured text and do not account for…

Computation and Language · Computer Science 2026-05-04 Pooja Guttal , Varun Magotra , Vasudeva Mahavishnu , Natasha Chanto , Sidharth Sivaprasad , Manas Gaur

Discovering 3D arrangements of objects from single indoor images is important given its many applications including interior design, content creation, etc. Although heavily researched in the recent years, existing approaches break down…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Moos Hueting , Pradyumna Reddy , Vladimir Kim , Ersin Yumer , Nathan Carr , Niloy Mitra

Real-life man-made objects often exhibit strong and easily-identifiable structure, as a direct result of their design or their intended functionality. Structure typically appears in the form of individual parts and their arrangement.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Vignesh Ganapathi-Subramanian , Olga Diamanti , Soeren Pirk , Chengcheng Tang , Matthias Niessner , Leonidas J. Guibas

Obtaining annotated table structure data for complex tables is a challenging task due to the inherent diversity and complexity of real-world document layouts. The scarcity of publicly available datasets with comprehensive annotations for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Syed Jawwad Haider Hamdani , Saifullah Saifullah , Stefan Agne , Andreas Dengel , Sheraz Ahmed

Heterogeneous tabular data poses unique challenges in generative modelling due to its fundamentally different underlying data structure compared to homogeneous modalities, such as images and text. Although previous research has sought to…

Machine Learning · Computer Science 2025-03-13 Xiangjian Jiang , Nikola Simidjievski , Mateja Jamnik

The paper presents a new model for single channel images low-level interpretation. The image is decomposed into a graph which captures a complete set of structural features. The description allows to accurately identify every edge location…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Alessandro Dal Palu'

Recognizing scene text is a challenging problem, even more so than the recognition of scanned documents. This problem has gained significant attention from the computer vision community in recent years, and several methods based on energy…

Computer Vision and Pattern Recognition · Computer Science 2016-03-24 Anand Mishra , Karteek Alahari , C. V. Jawahar

Bottom-up and top-down visual cues are two types of information that helps the visual saliency models. These salient cues can be from spatial distributions of the features (space-based saliency) or contextual / task-dependent features…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Nevrez Imamoglu , Wataru Shimoda , Chi Zhang , Yuming Fang , Asako Kanezaki , Keiji Yanai , Yoshifumi Nishida

Academic documents are packed with texts, equations, tables, and figures, requiring comprehensive understanding for accurate Optical Character Recognition (OCR). While end-to-end OCR methods offer improved accuracy over layout-based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yu Sun , Dongzhan Zhou , Chen Lin , Conghui He , Wanli Ouyang , Han-Sen Zhong

Tables form a central component in both exploratory data analysis and formal reporting procedures across many industries. These tables are often complex in their conceptual structure and in the computations that generate their individual…

Computation · Statistics 2023-06-30 Gabriel Becker , Adrian Waddell

Scene understanding requires the extraction and representation of scene components together with their properties and inter-relations. We describe a model in which meaningful scene structures are extracted from the image by an iterative…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Shimon Ullman , Liav Assif , Alona Strugatski , Ben-Zion Vatashsky , Hila Levy , Aviv Netanyahu , Adam Yaari

Out-of-distribution (OOD) detection is the key to deploying models safely in the open world. For OOD detection, collecting sufficient in-distribution (ID) labeled data is usually more time-consuming and costly than unlabeled data. When ID…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Rundong He , Rongxue Li , Zhongyi Han , Yilong Yin

Large language models (LLMs) are becoming attractive as few-shot reasoners to solve Natural Language (NL)-related tasks. However, the understanding of their capability to process structured data like tables remains an under-explored area.…

Computation and Language · Computer Science 2024-07-18 Yuan Sui , Mengyu Zhou , Mingjie Zhou , Shi Han , Dongmei Zhang

Top-down visual attention mechanisms have been used extensively in image captioning and visual question answering (VQA) to enable deeper image understanding through fine-grained analysis and even multiple steps of reasoning. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Peter Anderson , Xiaodong He , Chris Buehler , Damien Teney , Mark Johnson , Stephen Gould , Lei Zhang

Document alignment and registration play a crucial role in numerous real-world applications, such as automated form processing, anomaly detection, and workflow automation. Traditional methods for document alignment rely on image-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Ross Greer , Alisha Ukani , Katherine Izhikevich , Earlence Fernandes , Stefan Savage , Alex C. Snoeren

Open-domain table question answering aims to provide answers to a question by retrieving and extracting information from a large collection of tables. Existing studies of open-domain table QA either directly adopt text retrieval methods or…

Computation and Language · Computer Science 2023-09-20 Nengzheng Jin , Dongfang Li , Junying Chen , Joanna Siebert , Qingcai Chen

Pretrained deep-learning models are the go-to solution for images or text. However, for tabular data the standard is still to train tree-based models. Indeed, transfer learning on tables hits the challenge of data integration: finding…

Machine Learning · Computer Science 2024-06-03 Myung Jun Kim , Léo Grinsztajn , Gaël Varoquaux

The widespread use of charts and infographics as a means of data visualization in various domains has inspired recent research in automated chart understanding. However, information extraction from chart images is a complex multitasked…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Osama Mustafa , Muhammad Khizer Ali , Momina Moetesum , Imran Siddiqi

Identifying the chemical structure from a graphical representation, or image, of a molecule is a challenging pattern recognition task that would greatly benefit drug development. Yet, existing methods for chemical structure recognition do…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Martijn Oldenhof , Edward De Brouwer , Adam Arany , Yves Moreau