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In the digital era, table structure recognition technology is a critical tool for processing and analyzing large volumes of tabular data. Previous methods primarily focus on visual aspects of table structure recovery but often fail to…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Zhenrong Zhang , Shuhang Liu , Pengfei Hu , Jiefeng Ma , Jun Du , Jianshu Zhang , Yu Hu

Large vision and language models learned directly through image-text associations often lack detailed visual substantiation, whereas image segmentation tasks are treated separately from recognition, supervisedly learned without…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Tsung-Wei Ke , Sangwoo Mo , Stella X. Yu

A table is an object that captures structured and informative content within a document, and recognizing a table in an image is challenging due to the complexity and variety of table layouts. Many previous works typically adopt a two-stage…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Youngmin Baek , Daehyun Nam , Jaeheung Surh , Seung Shin , Seonghyeon Kim

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

This paper presents the novel approach towards table structure recognition by leveraging the guided anchors. The concept differs from current state-of-the-art approaches for table structure recognition that naively apply object detection…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Khurram Azeem Hashmi , Didier Stricker , Marcus Liwicki , Muhammad Noman Afzal , Muhammad Zeshan Afzal

Understanding the semantics of tables at scale is crucial for tasks like data integration, preparation, and search. Table understanding methods aim at detecting a table's topic, semantic column types, column relations, or entities. With the…

数据库 · 计算机科学 2021-09-14 Madelon Hulsebos , Sneha Gathani , James Gale , Isil Dillig , Paul Groth , Çağatay Demiralp

Tables are everywhere, from scientific journals, papers, websites, and newspapers all the way to items we buy at the supermarket. Detecting them is thus of utmost importance to automatically understanding the content of a document. The…

All tables can be represented as grids. Based on this observation, we propose GridFormer, a novel approach for interpreting unconstrained table structures by predicting the vertex and edge of a grid. First, we propose a flexible table…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Pengyuan Lyu , Weihong Ma , Hongyi Wang , Yuechen Yu , Chengquan Zhang , Kun Yao , Yang Xue , Jingdong Wang

We propose Seg&Struct, a supervised learning framework leveraging the interplay between part segmentation and structure inference and demonstrating their synergy in an integrated framework. Both part segmentation and structure inference…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Jeonghyun Kim , Kaichun Mo , Minhyuk Sung , Woontack Woo

Tables are a popular and efficient means of presenting structured information. They are used extensively in various kinds of documents including web pages. Tables display information as a two-dimensional matrix, the semantics of which is…

计算与语言 · 计算机科学 2020-08-26 Maryam Habibi , Johannes Starlinger , Ulf Leser

Recent transformer-based architectures have shown impressive results in the field of image segmentation. Thanks to their flexibility, they obtain outstanding performance in multiple segmentation tasks, such as semantic and panoptic, under a…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Niccolò Cavagnero , Gabriele Rosi , Claudia Cuttano , Francesca Pistilli , Marco Ciccone , Giuseppe Averta , Fabio Cermelli

How do the neural networks distinguish two images? It is of critical importance to understand the matching mechanism of deep models for developing reliable intelligent systems for many risky visual applications such as surveillance and…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Wenliang Zhao , Yongming Rao , Ziyi Wang , Jiwen Lu , Jie Zhou

Formula retrieval is an important topic in Mathematical Information Retrieval. We propose SSEmb, a novel embedding framework capable of capturing both structural and semantic features of mathematical formulas. Structurally, we employ Graph…

信息检索 · 计算机科学 2025-08-08 Ruyin Li , Xiaoyu Chen

Multi-table entity matching (MEM) addresses the limitations of dual-table approaches by enabling simultaneous identification of equivalent entities across multiple data sources without unique identifiers. However, existing methods relying…

计算与语言 · 计算机科学 2026-04-24 Yingkai Tang , Taoyu Su , Wenyuan Zhang , Xiaoyang Guo , Tingwen Liu

Descriptor generation methods using latent representations of encoder$-$decoder (ED) models with SMILES as input are useful because of the continuity of descriptor and restorability to the structure. However, it is not clear how the…

化学物理 · 物理学 2023-04-14 Shumpei Nemoto , Tadahaya Mizuno , Hiroyuki Kusuhara

Spectral Embedding (SE) has often been used to map data points from non-linear manifolds to linear subspaces for the purpose of classification and clustering. Despite significant advantages, the subspace structure of data in the original…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Hira Yaseen , Arif Mahmood

The automatic recognition of tabular data in document images presents a significant challenge due to the diverse range of table styles and complex structures. Tables offer valuable content representation, enhancing the predictive…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Avinash Anand , Raj Jaiswal , Pijush Bhuyan , Mohit Gupta , Siddhesh Bangar , Md. Modassir Imam , Rajiv Ratn Shah , Shin'ichi Satoh

We propose spatial semantic embedding network (SSEN), a simple, yet efficient algorithm for 3D instance segmentation using deep metric learning. The raw 3D reconstruction of an indoor environment suffers from occlusions, noise, and is…

计算机视觉与模式识别 · 计算机科学 2020-07-08 Dongsu Zhang , Junha Chun , Sang Kyun Cha , Young Min Kim

Multi-dimensional data exploration is a classic research topic in visualization. Most existing approaches are designed for identifying record patterns in dimensional space or subspace. In this paper, we propose a visual analytics approach…

机器学习 · 计算机科学 2021-04-27 Peng Xie , Wenyuan Tao , Jie Li , Wentao Huang , Siming Chen

Tables are widely used in various kinds of documents to present information concisely. Understanding tables is a challenging problem that requires an understanding of language and table structure, along with numerical and logical reasoning.…

计算与语言 · 计算机科学 2021-06-18 Devansh Gautam , Kshitij Gupta , Manish Shrivastava