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We present the first comprehensive, large-scale study of training long-context vision language models up to 344K context, targeting long-document visual question answering with measured transfer to long-context text. While several such…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Austin Veselka

Deep research, in which an agent searches the open web, collects evidence, and derives an answer through extended reasoning, is a prominent use case for frontier language models. Frontier deep research products score high on existing…

Artificial Intelligence · Computer Science 2026-05-21 Sixiong Xie , Zhuofan Shi , Haiyang Shen , Jiuzheng Wang , Siqi Zhong , Mugeng Liu , Chongyang Pan , Peilun Jia , Baoqing Sun , Xiang Jing , Yun Ma

A learning task, understood as the problem of fitting a parametric model from supervised data, fundamentally requires the dataset to be large enough to be representative of the underlying distribution of the source. When data is limited,…

Machine Learning · Computer Science 2025-11-18 Leopoldo Agorio , Juan Cerviño , Miguel Calvo-Fullana , Alejandro Ribeiro , Juan Andrés Bazerque

This work introduces a dataset for large-scale instance-level recognition in the domain of artworks. The proposed benchmark exhibits a number of different challenges such as large inter-class similarity, long tail distribution, and many…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Nikolaos-Antonios Ypsilantis , Noa Garcia , Guangxing Han , Sarah Ibrahimi , Nanne Van Noord , Giorgos Tolias

Recent advances in generative deep learning have enabled the creation of high-quality synthetic images in text-to-image generation. Prior work shows that fine-tuning a pretrained diffusion model on ImageNet and generating synthetic training…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Zhuoran Yu , Chenchen Zhu , Sean Culatana , Raghuraman Krishnamoorthi , Fanyi Xiao , Yong Jae Lee

In this paper, we delve into the critical aspect of dataset quality assessment in machine learning classification tasks. Leveraging a variety of nine distinct datasets, each crafted for classification tasks with varying complexity levels,…

Machine Learning · Computer Science 2023-06-28 Szymon Mazurek , Maciej Wielgosz

High-quality data is necessary for modern machine learning. However, the acquisition of such data is difficult due to noisy and ambiguous annotations of humans. The aggregation of such annotations to determine the label of an image leads to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Lars Schmarje , Vasco Grossmann , Claudius Zelenka , Sabine Dippel , Rainer Kiko , Mariusz Oszust , Matti Pastell , Jenny Stracke , Anna Valros , Nina Volkmann , Reinhard Koch

Training general-purpose vision models on purely sequential visual data, eschewing linguistic inputs, has heralded a new frontier in visual understanding. These models are intended to not only comprehend but also seamlessly transit to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Jianyuan Guo , Zhiwei Hao , Chengcheng Wang , Yehui Tang , Han Wu , Han Hu , Kai Han , Chang Xu

Video generation has witnessed remarkable progress with the advent of deep generative models, particularly diffusion models. While existing methods excel in generating high-quality videos from text prompts or single images, personalized…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Yufan Deng , Xun Guo , Yizhi Wang , Jacob Zhiyuan Fang , Angtian Wang , Shenghai Yuan , Yiding Yang , Bo Liu , Haibin Huang , Chongyang Ma

Although large language models (LLMs) demonstrate impressive performance for many language tasks, most of them can only handle texts a few thousand tokens long, limiting their applications on longer sequence inputs, such as books, reports,…

Computation and Language · Computer Science 2024-06-21 Yushi Bai , Xin Lv , Jiajie Zhang , Hongchang Lyu , Jiankai Tang , Zhidian Huang , Zhengxiao Du , Xiao Liu , Aohan Zeng , Lei Hou , Yuxiao Dong , Jie Tang , Juanzi Li

Synthetic data is a standard component in training large language models, yet systematic comparisons across design dimensions, including rephrasing strategy, generator model, and source data, remain absent. We conduct extensive controlled…

As large language models continue to advance, their application in educational contexts remains underexplored and under-optimized. In this paper, we address this gap by introducing the first diverse benchmark tailored for educational…

Computation and Language · Computer Science 2026-01-07 Bin Xu , Yu Bai , Huashan Sun , Yiguan Lin , Siming Liu , Xinyue Liang , Yaolin Li , Zhuangzhi Dong , Jingren Zhang , Yufan Deng , Xinyu Zou , Yang Gao , Heyan Huang

Referring Expression Comprehension (REC) is a vision-language task that localizes a specific image region based on a textual description. Existing REC benchmarks primarily evaluate perceptual capabilities and lack interpretable scoring…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Tianyi Gao , Hao Li , Han Fang , Xin Wei , Xiaodong Dong , Hongbo Sun , Ye Yuan , Zhongjiang He , Jinglin Xu , Jingmin Xin , Hao Sun

Existing all-in-one image restoration approaches, which aim to handle multiple weather degradations within a single framework, are predominantly trained and evaluated using mixed single-weather synthetic datasets. However, these datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Qiyuan Guan , Qianfeng Yang , Xiang Chen , Tianyu Song , Guiyue Jin , Jiyu Jin

Effective image deblurring typically relies on large and fully paired datasets of blurred and corresponding sharp images. However, obtaining such accurately aligned data in the real world poses a number of difficulties, limiting the…

Image and Video Processing · Electrical Eng. & Systems 2025-10-21 Alok Panigrahi , Jayaprakash Katual , Satish Mulleti

Training next-generation code generation models requires high-quality datasets, yet existing datasets face difficulty imbalance, format inconsistency, and data quality problems. We address these challenges through systematic data processing…

Computation and Language · Computer Science 2026-03-10 Zongqian Li , Tengchao Lv , Shaohan Huang , Yixuan Su , Qinzheng Sun , Qiufeng Yin , Ying Xin , Scarlett Li , Lei Cui , Nigel Collier , Furu Wei

Class imbalance is a persistent challenge in visual recognition, particularly in safety-critical domains where collecting positive examples is expensive and rare events are inherently underrepresented. We propose a lightweight synthetic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Daniil Dushenev , Nazariy Karpov , Daniil Zinovjev , Alexander Gorin , Konstantin Kulikov

The goal of this work is to generate step-by-step visual instructions in the form of a sequence of images, given an input image that provides the scene context and the sequence of textual instructions. This is a challenging problem as it…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Tomáš Souček , Prajwal Gatti , Michael Wray , Ivan Laptev , Dima Damen , Josef Sivic

Extracting structured information from visual documents (Visual Information Extraction, VIE) is a cornerstone of business automation. While recent Multimodal Large Language Models (MLLMs) have shown promising capabilities, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yandi Wang , Libin Zhan , Ziwei Huang , Tiancheng Luo , Yuxuan Jiang , Wang Dong , Leilei Gan , Jun Chen

Causal Representation Learning (CRL) aims to uncover the data-generating process and identify the underlying causal variables and relations, whose evaluation remains inherently challenging due to the requirement of known ground-truth causal…

Machine Learning · Computer Science 2025-10-20 Guangyi Chen , Yunlong Deng , Peiyuan Zhu , Yan Li , Yifan Shen , Zijian Li , Kun Zhang