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Multimodal instruction tuning is the de facto recipe for adapting vision language models (VLMs), yet instruction data are highly redundant, making data selection critical for training efficiency. Existing methods derive selection signals…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Mingkang Dong , Hongyi Cai , Xiwen Lei , Jie Li , Tao Zhang , Muxin Pu

Vision-Language-Action (VLA) models have shown remarkable progress in embodied tasks recently, but most methods process visual observations independently at each timestep. This history-agnostic design treats robot manipulation as a Markov…

Machine Learning · Computer Science 2026-04-13 Lei Xiao , Jifeng Li , Juntao Gao , Feiyang Ye , Yan Jin , Jingjing Qian , Jing Zhang , Yong Wu , Xiaoyuan Yu

Time-aware data valuation enhances training efficiency and model robustness, as early detection of harmful samples could prevent months of wasted computation. However, existing methods rely on model retraining or convergence assumptions or…

Machine Learning · Computer Science 2025-02-18 Jie Xu , Zihan Wu , Cong Wang , Xiaohua Jia

This paper addresses the domain shift problem for segmentation. As a solution, we propose OLVA, a novel and lightweight unsupervised domain adaptation method based on a Variational Auto-Encoder (VAE) and Optimal Transport (OT) theory.…

Machine Learning · Computer Science 2021-06-16 Dawood Al Chanti , Diana Mateus

Vision-Language-Action (VLA) models for autonomous driving show promise but falter in unstructured corner case scenarios, largely due to a scarcity of targeted benchmarks. To address this, we introduce Impromptu VLA. Our core contribution…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Haohan Chi , Huan-ang Gao , Ziming Liu , Jianing Liu , Chenyu Liu , Jinwei Li , Kaisen Yang , Yangcheng Yu , Zeda Wang , Wenyi Li , Leichen Wang , Xingtao Hu , Hao Sun , Hang Zhao , Hao Zhao

Optimizing the learning rate remains a critical challenge in machine learning, essential for achieving model stability and efficient convergence. The Vector Auxiliary Variable (VAV) algorithm introduces a novel energy-based self-adjustable…

Machine Learning · Computer Science 2024-11-12 Jiahao Zhang , Christian Moya , Guang Lin

Few-Shot Remote Sensing Scene Classification (FS-RSSC) presents the challenge of classifying remote sensing images with limited labeled samples. Existing methods typically emphasize single-modal feature learning, neglecting the potential…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zhong Ji , Ci Liu , Jingren Liu , Chen Tang , Yanwei Pang , Xuelong Li

While Vision-Language-Action (VLA) models show strong promise for generalist robot control, it remains unclear whether -- and under what conditions -- the standard "scale data" recipe translates to robotics, where training data is…

Data augmentation is widely used for machine learning; however, an effective method to apply data augmentation has not been established even though it includes several factors that should be tuned carefully. One such factor is sample…

Machine Learning · Computer Science 2020-10-30 Tomoumi Takase , Ryo Karakida , Hideki Asoh

Stochastic search algorithms are among the most sucessful approaches for solving hard combinatorial problems. A large class of stochastic search approaches can be cast into the framework of Las Vegas Algorithms (LVAs). As the run-time…

Artificial Intelligence · Computer Science 2013-02-01 Holger H. Hoos , Thomas Stutzle

Recommender systems often suffer from noisy interactions like accidental clicks or popularity bias. Existing denoising methods typically identify users' intent in their interactions, and filter out noisy interactions that deviate from the…

Information Retrieval · Computer Science 2025-05-29 Yansen Zhang , Xiaokun Zhang , Ziqiang Cui , Chen Ma

Training deep neural networks (DNNs) with noisy labels is a challenging problem due to over-parameterization. DNNs tend to essentially fit on clean samples at a higher rate in the initial stages, and later fit on the noisy samples at a…

Machine Learning · Computer Science 2021-07-08 Sree Ram Kamabattula , Venkat Devarajan , Babak Namazi , Ganesh Sankaranarayanan

Large vision-language models (LVLMs) have shown premise in a broad range of vision-language tasks with their strong reasoning and generalization capabilities. However, they require considerable computational resources for training and…

Computation and Language · Computer Science 2024-06-18 Guiming Hardy Chen , Shunian Chen , Ruifei Zhang , Junying Chen , Xiangbo Wu , Zhiyi Zhang , Zhihong Chen , Jianquan Li , Xiang Wan , Benyou Wang

Robust loss minimization is an important strategy for handling robust learning issue on noisy labels. Current robust loss functions, however, inevitably involve hyperparameter(s) to be tuned, manually or heuristically through cross…

Machine Learning · Computer Science 2020-02-18 Jun Shu , Qian Zhao , Keyu Chen , Zongben Xu , Deyu Meng

The natural association between visual observations and their corresponding sound provides powerful self-supervisory signals for learning video representations, which makes the ever-growing amount of online videos an attractive source of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Sangho Lee , Jiwan Chung , Youngjae Yu , Gunhee Kim , Thomas Breuel , Gal Chechik , Yale Song

The rapid growth of dataset scales has been a key driver in advancing deep learning research. However, as dataset scale increases, the training process becomes increasingly inefficient due to the presence of low-value samples, including…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Qing Zhou , Junyu Gao , Qi Wang

Recent years have witnessed the rapid progress of perception algorithms on top of LiDAR, a widely adopted sensor for autonomous driving systems. These LiDAR-based solutions are typically data hungry, requiring a large amount of data to be…

Robotics · Computer Science 2020-11-23 Tai Wang , Conghui He , Zhe Wang , Jianping Shi , Dahua Lin

Existing Vision-Language-Action (VLA) models can be broadly categorized into diffusion-based and auto-regressive (AR) approaches: diffusion models capture continuous action distributions but rely on computationally heavy iterative…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Huaihai Lyu , Chaofan Chen , Senwei Xie , Pengwei Wang , Xiansheng Chen , Shanghang Zhang , Changsheng Xu

Most visual analytics systems assume that all foraging for data happens before the analytics process; once analysis begins, the set of data attributes considered is fixed. Such separation of data construction from analysis precludes…

Information Retrieval · Computer Science 2020-09-08 Dylan Cashman , Shenyu Xu , Subhajit Das , Florian Heimerl , Cong Liu , Shah Rukh Humayoun , Michael Gleicher , Alex Endert , Remco Chang

Achieving truly adaptive embodied intelligence requires agents that learn not just by imitating static demonstrations, but by continuously improving through environmental interaction, which is akin to how humans master skills through…

Robotics · Computer Science 2025-12-17 Zechen Bai , Chen Gao , Mike Zheng Shou