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Existing domain generalization aims to learn a generalizable model to perform well even on unseen domains. For many real-world machine learning applications, the data distribution often shifts gradually along domain indices. For example, a…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Qiuhao Zeng , Wei Wang , Fan Zhou , Charles Ling , Boyu Wang

In large-scale recommender systems, the user-item networks are generally scale-free or expand exponentially. The latent features (also known as embeddings) used to describe the user and item are determined by how well the embedding space…

信息检索 · 计算机科学 2022-05-31 Menglin Yang , Min Zhou , Jiahong Liu , Defu Lian , Irwin King

As a recent noticeable topic, domain generalization (DG) aims to first learn a generic model on multiple source domains and then directly generalize to an arbitrary unseen target domain without any additional adaption. In previous DG…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Yue Wang , Lei Qi , Yinghuan Shi , Yang Gao

Learning the distance metric between pairs of samples has been studied for image retrieval and clustering. With the remarkable success of pair-based metric learning losses, recent works have proposed the use of generated synthetic points on…

计算机视觉与模式识别 · 计算机科学 2020-04-24 Byungsoo Ko , Geonmo Gu

Conventional image classifiers are trained by randomly sampling mini-batches of images. To achieve state-of-the-art performance, practitioners use sophisticated data augmentation schemes to expand the amount of training data available for…

机器学习 · 计算机科学 2021-06-23 Renkun Ni , Micah Goldblum , Amr Sharaf , Kezhi Kong , Tom Goldstein

This work presents a formalism to improve the predictive accuracy of physical models by learning generalizable augmentations from sparse data. Building on recent advances in data-driven turbulence modeling, the present approach, referred to…

流体动力学 · 物理学 2021-07-28 Vishal Srivastava , Karthik Duraisamy

We investigate the efficacy of data augmentations to close the domain gap in spaceborne computer vision, crucial for autonomous operations like on-orbit servicing. As the use of computer vision in space increases, challenges such as hostile…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Maximilian Ulmer , Leonard Klüpfel , Maximilian Durner , Rudolph Triebel

Meta-learning algorithms aim to learn two components: a model that predicts targets for a task, and a base learner that quickly updates that model when given examples from a new task. This additional level of learning can be powerful, but…

机器学习 · 计算机科学 2020-11-05 Janarthanan Rajendran , Alex Irpan , Eric Jang

Object detection, for the most part, has been formulated in the euclidean space, where euclidean or spherical geodesic distances measure the similarity of an image region to an object class prototype. In this work, we study whether a…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Christopher Lang , Alexander Braun , Abhinav Valada

Robots have been increasingly better at doing tasks for humans by learning from their feedback, but still often suffer from model misalignment due to missing or incorrectly learned features. When the features the robot needs to learn to…

机器人学 · 计算机科学 2023-04-14 Inês Lourenço , Andreea Bobu , Cristian R. Rojas , Bo Wahlberg

Deep-learning-based nonlinear system identification has shown the ability to produce reliable and highly accurate models in practice. However, these black-box models lack physical interpretability, and a considerable part of the learning…

机器学习 · 计算机科学 2025-07-15 Bendegúz M. Györök , Jan H. Hoekstra , Johan Kon , Tamás Péni , Maarten Schoukens , Roland Tóth

This paper identifies the flaws in existing open-world learning approaches and attempts to provide a complete picture in the form of \textbf{True Open-World Learning}. We accomplish this by proposing a comprehensive generalize-able…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Akshay Raj Dhamija , Touqeer Ahmad , Jonathan Schwan , Mohsen Jafarzadeh , Chunchun Li , Terrance E. Boult

Advancing Machine Learning (ML)-based perception models for autonomous systems necessitates addressing weak spots within the models, particularly in challenging Operational Design Domains (ODDs). These are environmental operating conditions…

机器学习 · 计算机科学 2024-09-02 Ahmed Hammam , Bharathwaj Krishnaswami Sreedhar , Nura Kawa , Tim Patzelt , Oliver De Candido

A generalist robot must be able to complete a variety of tasks in its environment. One appealing way to specify each task is in terms of a goal observation. However, learning goal-reaching policies with reinforcement learning remains a…

机器学习 · 计算机科学 2021-01-01 Stephen Tian , Suraj Nair , Frederik Ebert , Sudeep Dasari , Benjamin Eysenbach , Chelsea Finn , Sergey Levine

Most real-world datasets consist of a natural hierarchy between classes or an inherent label structure that is either already available or can be constructed cheaply. However, most existing representation learning methods ignore this…

机器学习 · 计算机科学 2024-12-03 Aditya Sinha , Siqi Zeng , Makoto Yamada , Han Zhao

Data augmentation in feature space is effective to increase data diversity. Previous methods assume that different classes have the same covariance in their feature distributions. Thus, feature transform between different classes is…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Yuke Zhu , Yan Bai , Yichen Wei

Visual retrieval system faces frequent model update and deployment. It is a heavy workload to re-extract features of the whole database every time.Feature compatibility enables the learned new visual features to be directly compared with…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Yan Bai , Jile Jiao , Shengsen Wu , Yihang Lou , Jun Liu , Xuetao Feng , Ling-Yu Duan

Multi-frame methods improve monocular depth estimation over single-frame approaches by aggregating spatial-temporal information via feature matching. However, the spatial-temporal feature leads to accuracy degradation in dynamic scenes. To…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Jiquan Zhong , Xiaolin Huang , Xiao Yu

Object detection in urban scenarios is crucial for autonomous driving in intelligent traffic systems. However, unlike conventional object detection tasks, urban-scene images vary greatly in style. For example, images taken on sunny days…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Lei Qi , Peng Dong , Tan Xiong , Hui Xue , Xin Geng

Observing a human demonstrator manipulate objects provides a rich, scalable and inexpensive source of data for learning robotic policies. However, transferring skills from human videos to a robotic manipulator poses several challenges, not…

机器人学 · 计算机科学 2023-03-08 Minttu Alakuijala , Gabriel Dulac-Arnold , Julien Mairal , Jean Ponce , Cordelia Schmid