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Structured data extraction from tables plays a crucial role in document image analysis for scanned documents and digital archives. Although many methods have been proposed to detect table structures and extract cell contents, accurately…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Suren Bandara

The increasing reliance on large-scale datasets in machine learning poses significant privacy and ethical challenges, particularly in sensitive domains such as face recognition. Synthetic data generation offers a promising alternative;…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Parsa Rahimi , Damien Teney , Sebastien Marcel

This paper presents an example-driven synthesis technique for automating a large class of data preparation tasks that arise in data science. Given a set of input tables and an out- put table, our approach synthesizes a table transformation…

编程语言 · 计算机科学 2016-11-23 Yu Feng , Ruben Martins , Jacob Van Geffen , Isil Dillig , Swarat Chaudhuri

Online updating of the object model via samples from historical frames is of great importance for accurate visual object tracking. Recent works mainly focus on constructing effective and efficient updating methods while neglecting the…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Ziyi Cheng , Xuhong Ren , Felix Juefei-Xu , Wanli Xue , Qing Guo , Lei Ma , Jianjun Zhao

We present a new dataset condensation framework termed Squeeze, Recover and Relabel (SRe$^2$L) that decouples the bilevel optimization of model and synthetic data during training, to handle varying scales of datasets, model architectures…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Zeyuan Yin , Eric Xing , Zhiqiang Shen

Data cleaning is a long-standing challenge in data management. While powerful logic and statistical algorithms have been developed to detect and repair data errors in tables, existing algorithms predominantly rely on domain-experts to first…

Table extraction from PDF and image documents is a ubiquitous task in the real-world. Perfect extraction quality is difficult to achieve with one single out-of-box model due to (1) the wide variety of table styles, (2) the lack of training…

人机交互 · 计算机科学 2021-02-18 Nancy Xin Ru Wang , Douglas Burdick , Yunyao Li

Spreadsheet table detection is the task of detecting all tables on a given sheet and locating their respective ranges. Automatic table detection is a key enabling technique and an initial step in spreadsheet data intelligence. However, the…

信息检索 · 计算机科学 2021-06-28 Haoyu Dong , Shijie Liu , Shi Han , Zhouyu Fu , Dongmei Zhang

Detecting synthetic tabular data is essential to prevent the distribution of false or manipulated datasets that could compromise data-driven decision-making. This study explores whether synthetic tabular data can be reliably identified ''in…

机器学习 · 计算机科学 2024-12-19 G. Charbel N. Kindji , Lina Maria Rojas-Barahona , Elisa Fromont , Tanguy Urvoy

Documents are often used for knowledge sharing and preservation in business and science, within which are tables that capture most of the critical data. Unfortunately, most documents are stored and distributed as PDF or scanned images,…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Xinyi Zheng , Doug Burdick , Lucian Popa , Xu Zhong , Nancy Xin Ru Wang

Table Structure Recognition (TSR) requires the logical reasoning ability of large language models (LLMs) to handle complex table layouts, but current datasets are limited in scale and quality, hindering effective use of this reasoning…

数据库 · 计算机科学 2026-04-16 Ruilin Zhang , Kai Yang

Real-world binary classification tasks are in many cases imbalanced, where the minority class is much smaller than the majority class. This skewness is challenging for machine learning algorithms as they tend to focus on the majority and…

机器学习 · 计算机科学 2021-05-19 Sajad Darabi , Yotam Elor

Tabular data is common yet typically incomplete, small in volume, and access-restricted due to privacy concerns. Synthetic data generation offers potential solutions. Many metrics exist for evaluating the quality of synthetic tabular data;…

机器学习 · 计算机科学 2024-04-01 Scott Cheng-Hsin Yang , Baxter Eaves , Michael Schmidt , Ken Swanson , Patrick Shafto

Recent generative models produce images with a level of authenticity that makes them nearly indistinguishable from real photos and artwork. Potential harmful use cases of these models, necessitate the creation of robust synthetic image…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Delyan Boychev , Radostin Cholakov

Modern text-to-image synthesis models have achieved an exceptional level of photorealism, generating high-quality images from arbitrary text descriptions. In light of the impressive synthesis ability, several studies have exhibited…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Joonghyuk Shin , Minguk Kang , Jaesik Park

Large ground-truth datasets and recent advances in deep learning techniques have been useful for layout detection. However, because of the restricted layout diversity of these datasets, training on them requires a sizable number of…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Avinash Anand , Raj Jaiswal , Mohit Gupta , Siddhesh S Bangar , Pijush Bhuyan , Naman Lal , Rajeev Singh , Ritika Jha , Rajiv Ratn Shah , Shin'ichi Satoh

We synthesize both optical RGB and synthetic aperture radar (SAR) remote sensing images from land cover maps and auxiliary raster data using generative adversarial networks (GANs). In remote sensing, many types of data, such as digital…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Gerald Baier , Antonin Deschemps , Michael Schmitt , Naoto Yokoya

Synthetic data is being used lately for training deep neural networks in computer vision applications such as object detection, object segmentation and 6D object pose estimation. Domain randomization hereby plays an important role in…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Parth Rawal , Mrunal Sompura , Wolfgang Hintze

Portable Document Format (PDF) files are dominantly used for storing and disseminating scientific research, legal documents, and tax information. LaTeX is a popular application for creating PDF documents. Despite its advantages, LaTeX is…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Nan Jiang , Shanchao Liang , Chengxiao Wang , Jiannan Wang , Lin Tan

While Multimodal Large Language Models have achieved human-like performance on many visual and textual reasoning tasks, their proficiency in fine-grained spatial understanding, such as route tracing on maps remains limited. Unlike humans,…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Artemis Panagopoulou , Aveek Purohit , Achin Kulshrestha , Soroosh Yazdani , Mohit Goyal