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Deep image matting methods have achieved increasingly better results on benchmarks (e.g., Composition-1k/alphamatting.com). However, the robustness, including robustness to trimaps and generalization to images from different domains, is…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Yutong Dai , Brian Price , He Zhang , Chunhua Shen

Research on multi-modal learning dominantly aligns the modalities in a unified space at training, and only a single one is taken for prediction at inference. However, for a real machine, e.g., a robot, sensors could be added or removed at…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yuanhuiyi Lyu , Xu Zheng , Dahun Kim , Lin Wang

A highly accurate but overconfident model is ill-suited for deployment in critical applications such as healthcare and autonomous driving. The classification outcome should reflect a high uncertainty on ambiguous in-distribution samples…

机器学习 · 计算机科学 2022-10-25 Sumedha Singla , Nihal Murali , Forough Arabshahi , Sofia Triantafyllou , Kayhan Batmanghelich

Risk assessments for advanced AI systems require evaluating both the models themselves and their deployment contexts. We introduce the Societal Capacity Assessment Framework (SCAF), an indicators-based approach to measuring a society's…

计算机与社会 · 计算机科学 2025-09-30 Milan Gandhi , Peter Cihon , Owen Larter , Rebecca Anselmetti

Retrieval-Augmented Generation (RAG) enhances factual grounding in large language models (LLMs) by incorporating retrieved evidence, but LLM accuracy declines when long or noisy contexts exceed the model's effective attention span. Existing…

计算与语言 · 计算机科学 2026-03-25 Debashish Chakraborty , Eugene Yang , Daniel Khashabi , Dawn Lawrie , Kevin Duh

Effective token compression remains a critical challenge for scaling models to handle increasingly complex and diverse datasets. A novel mechanism based on contextual reinforcement is introduced, dynamically adjusting token importance…

计算与语言 · 计算机科学 2025-08-11 Naderdel Piero , Zacharias Cromwell , Nathaniel Wainwright , Matthias Nethercott

Large language model agents rely on effective model context to obtain task-relevant information for decision-making. Many existing context engineering approaches primarily rely on the context generated from the past experience and retrieval…

人工智能 · 计算机科学 2026-04-10 Linbo Liu , Guande Wu , Han Ding , Yawei Wang , Qiang Zhou , Yuzhe Lu , Zhichao Xu , Huan Song , Panpan Xu , Lin Lee Cheong

Current forecasting approaches are largely unimodal and ignore the rich textual data that often accompany the time series due to lack of well-curated multimodal benchmark dataset. In this work, we develop TimeText Corpus (TTC), a carefully…

人工智能 · 计算机科学 2024-11-22 Kai Kim , Howard Tsai , Rajat Sen , Abhimanyu Das , Zihao Zhou , Abhishek Tanpure , Mathew Luo , Rose Yu

Large Language Models (LLMs) struggle with long-context reasoning, not only due to the quadratic scaling of computational complexity with sequence length but also because of the scarcity and expense of annotating long-context data. There…

计算与语言 · 计算机科学 2025-04-18 Linda He , Jue Wang , Maurice Weber , Shang Zhu , Ben Athiwaratkun , Ce Zhang

Large language models (LLMs) show strong reasoning abilities across diverse tasks, yet their performance on extended contexts remains inconsistent. While prior research has emphasized mid-context degradation in question answering, this…

计算与语言 · 计算机科学 2026-02-25 Pietro Bernardelle , Stefano Civelli , Kevin Roitero , Gianluca Demartini

Automated Essay Scoring (AES) is crucial for modern education, particularly with the increasing prevalence of multimodal assessments. However, traditional AES methods struggle with evaluation generalizability and multimodal perception,…

计算与语言 · 计算机科学 2025-05-21 Jiamin Su , Yibo Yan , Zhuoran Gao , Han Zhang , Xiang Liu , Xuming Hu

With the explosive growth of multimodal content online, pre-trained visual-language models have shown great potential for multimodal recommendation. However, while these models achieve decent performance when applied in a frozen manner,…

信息检索 · 计算机科学 2025-02-24 Wenyu Zhang , Jie Luo , Xinming Zhang , Yuan Fang

Semantic sparsity is a common challenge in structured visual classification problems; when the output space is complex, the vast majority of the possible predictions are rarely, if ever, seen in the training set. This paper studies semantic…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Mark Yatskar , Vicente Ordonez , Luke Zettlemoyer , Ali Farhadi

Deep learning approaches are increasingly used to tackle forecasting tasks involving datasets with multiple univariate time series. A key factor in the successful application of these methods is a large enough training sample size, which is…

机器学习 · 计算机科学 2025-01-06 Vitor Cerqueira , Moisés Santos , Luis Roque , Yassine Baghoussi , Carlos Soares

The role of AI-generated synthetic data has recently been expanded to support realistic Monte Carlo simulations. However, guidance is limited on generating data with multilevel structures and designing simulations based on such data. This…

统计方法学 · 统计学 2026-05-08 Youmi Suk , Chenguang Pan , Weixuan Xiao

Cosmological parameter estimation is traditionally performed in the Bayesian context. By adopting an "agnostic" statistical point of view, we show the interest of confronting the Bayesian results to a frequentist approach based on…

宇宙学与河外天体物理 · 物理学 2016-07-12 S. Henrot-Versillé , O. Perdereau , S. Plaszczynski , B. Rouillé d'Orfeuil , M. Spinelli , M. Tristram

Current status quo in machine learning is to use static datasets of real images for training, which often come from long-tailed distributions. With the recent advances in generative models, researchers have started augmenting these static…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Reyhane Askari Hemmat , Mohammad Pezeshki , Florian Bordes , Michal Drozdzal , Adriana Romero-Soriano

Recent language models exhibit strong reasoning capabilities, yet the influence of long-context capacity on reasoning remains underexplored. In this work, we hypothesize that current limitations in reasoning stem, in part, from insufficient…

人工智能 · 计算机科学 2025-05-26 Wang Yang , Zirui Liu , Hongye Jin , Qingyu Yin , Vipin Chaudhary , Xiaotian Han

While accurate and user-friendly Computer-Aided Design (CAD) is crucial for industrial design and manufacturing, existing methods still struggle to achieve this due to their over-simplified representations or architectures incapable of…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Jianyu Wu , Yizhou Wang , Xiangyu Yue , Xinzhu Ma , Jingyang Guo , Dongzhan Zhou , Wanli Ouyang , Shixiang Tang

The fundamental challenge of using Large Language Models (LLMs) for reliable, enterprise-grade analytics, such as sentiment prediction, is the conflict between the LLMs' inherent stochasticity (generative, non-deterministic nature) and the…

计算与语言 · 计算机科学 2026-04-20 Sharookh Daruwalla , Nitin Mayande , Shreeya Verma Kathuria , Nitin Joglekar , Charles Weber