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Composed Video Retrieval (CVR) is a challenging video retrieval task that utilizes multi-modal queries, consisting of a reference video and modification text, to retrieve the desired target video. The core of this task lies in understanding…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Zhiwei Chen , Yupeng Hu , Zixu Li , Zhiheng Fu , Haokun Wen , Weili Guan

Recommender systems traditionally represent items using unique identifiers (ItemIDs), but this approach struggles with large, dynamic item corpora and sparse long-tail data, limiting scalability and generalization. Semantic IDs, derived…

信息检索 · 计算机科学 2026-03-03 Yi Xu , Moyu Zhang , Chenxuan Li , Zhihao Liao , Haibo Xing , Hao Deng , Jinxin Hu , Yu Zhang , Xiaoyi Zeng , Jing Zhang

In spite of the high accuracy of the existing optical mark reading (OMR) systems and devices, a few restrictions remain existent. In this work, we aim to reduce the restrictions of multiple choice questions (MCQ) within tests. We use an…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Mahmoud Afifi , Khaled F. Hussain

In the context of neuroevolution, Quality-Diversity algorithms have proven effective in generating repertoires of diverse and efficient policies by relying on the definition of a behavior space. A natural goal induced by the creation of…

神经与进化计算 · 计算机科学 2023-09-14 Valentin Macé , Raphaël Boige , Felix Chalumeau , Thomas Pierrot , Guillaume Richard , Nicolas Perrin-Gilbert

This work proposes a new pipeline for leveraging data collected on the Stack Overflow website for pre-training a multimodal model for searching duplicates on question answering websites. Our multimodal model is trained on question…

计算与语言 · 计算机科学 2022-03-30 Jan Pašek , Jakub Sido , Miloslav Konopík , Ondřej Pražák

Uncertainty Quantification (UQ) is crucial for ensuring the reliability of automated image segmentations in safety-critical domains like biomedical image analysis or autonomous driving. In segmentation, UQ generates pixel-wise uncertainty…

Out-of-distribution (OOD) detection identifies test samples that differ from the training data, which is critical to ensuring the safety and reliability of machine learning (ML) systems. While a plethora of methods have been developed to…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Viet Duong , Qiong Wu , Zhengyi Zhou , Eric Zavesky , Jiahe Chen , Xiangzhou Liu , Wen-Ling Hsu , Huajie Shao

Product quantization (PQ) is a widely used technique for ad-hoc retrieval. Recent studies propose supervised PQ, where the embedding and quantization models can be jointly trained with supervised learning. However, there is a lack of…

计算与语言 · 计算机科学 2021-09-14 Shitao Xiao , Zheng Liu , Yingxia Shao , Defu Lian , Xing Xie

Uncertainty quantification (UQ) has increasing importance in building robust high-performance and generalizable materials property prediction models. It can also be used in active learning to train better models by focusing on getting new…

材料科学 · 物理学 2022-11-14 Daniel Varivoda , Rongzhi Dong , Sadman Sadeed Omee , Jianjun Hu

Recent advances of large multi-modality models (LMM) have greatly improved the ability of image quality assessment (IQA) method to evaluate and explain the quality of visual content. However, these advancements are mostly focused on overall…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Chaofeng Chen , Sensen Yang , Haoning Wu , Liang Liao , Zicheng Zhang , Annan Wang , Wenxiu Sun , Qiong Yan , Weisi Lin

Deep multi-view clustering has achieved remarkable progress but remains vulnerable to complex noise in real-world applications. Existing noisy robust methods predominantly rely on a simplified binary assumption, treating data as either…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Peihan Wu , Guanjie Cheng , Yufei Tong , Meng Xi , Shuiguang Deng

The representation, or encoding, utilized in evolutionary algorithms has a substantial effect on their performance. Examination of the suitability of widely used representations for quality diversity optimization (QD) in robotic domains has…

神经与进化计算 · 计算机科学 2023-04-10 Ludovico Scarton , Alexander Hagg

Medical multi-modal pre-training has revealed promise in computer-aided diagnosis by leveraging large-scale unlabeled datasets. However, existing methods based on masked autoencoders mainly rely on data-level reconstruction tasks, but lack…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Yupei Zhang , Li Pan , Qiushi Yang , Tan Li , Zhen Chen

Quality-Diversity (QD) algorithms are designed to generate collections of high-performing solutions while maximizing their diversity in a given descriptor space. However, in the presence of unpredictable noise, the fitness and descriptor of…

神经与进化计算 · 计算机科学 2023-04-10 Luca Grillotti , Manon Flageat , Bryan Lim , Antoine Cully

Model quantization is challenging due to many tedious hyper-parameters such as precision (bitwidth), dynamic range (minimum and maximum discrete values) and stepsize (interval between discrete values). Unlike prior arts that carefully tune…

机器学习 · 计算机科学 2021-07-08 Zhang Zhaoyang , Shao Wenqi , Gu Jinwei , Wang Xiaogang , Luo Ping

We introduce MQ-Det, an efficient architecture and pre-training strategy design to utilize both textual description with open-set generalization and visual exemplars with rich description granularity as category queries, namely, Multi-modal…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yifan Xu , Mengdan Zhang , Chaoyou Fu , Peixian Chen , Xiaoshan Yang , Ke Li , Changsheng Xu

Recent studies have demonstrated advantages of information fusion based on sparsity models for multimodal classification. Among several sparsity models, tree-structured sparsity provides a flexible framework for extraction of…

计算机视觉与模式识别 · 计算机科学 2015-02-04 Soheil Bahrampour , Asok Ray , Nasser M. Nasrabadi , Kenneth W. Jenkins

An iterative computer-aided ideation procedure is introduced, building on recent quality-diversity algorithms, which search for diverse as well as high-performing solutions. Dimensionality reduction is used to define a similarity space, in…

神经与进化计算 · 计算机科学 2018-07-26 Alexander Hagg , Alexander Asteroth , Thomas Bäck

In this paper, we formulate the new multi-objective coverage (MOC) problem where our goal is to identify a small set of representative samples whose predicted outcomes broadly cover the feasible multi-objective space. This problem is of…

机器学习 · 计算机科学 2026-02-18 Zakaria Shams Siam , Xuefeng Liu , Chong Liu

There exist many approaches for description and recognition of unseen classes in datasets. Nevertheless, it becomes a challenging problem when we deal with multivariate time-series (MTS) (e.g., motion data), where we cannot apply the…

机器学习 · 计算机科学 2019-03-14 Babak Hosseini , Barbara Hammer