中文
相关论文

相关论文: Beyond Euclidean: Dual-Space Representation Learni…

200 篇论文

3D-aware visual pretraining has proven effective in improving the performance of downstream robotic manipulation tasks. However, existing methods are constrained to Euclidean embedding spaces, whose flat geometry limits their ability to…

机器人学 · 计算机科学 2026-03-13 Jin Yang , Ping Wei , Yixin Chen , Nanning Zheng

Audio-visual representation learning is an important task from the perspective of designing machines with the ability to understand complex events. To this end, we propose a novel multimodal framework that instantiates multiple instance…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Sanjeel Parekh , Slim Essid , Alexey Ozerov , Ngoc Q. K. Duong , Patrick Pérez , Gaël Richard

Detecting events and their evolution through time is a crucial task in natural language understanding. Recent neural approaches to event temporal relation extraction typically map events to embeddings in the Euclidean space and train a…

计算与语言 · 计算机科学 2024-06-11 Xingwei Tan , Gabriele Pergola , Yulan He

Self-supervised learning allows for better utilization of unlabelled data. The feature representation obtained by self-supervision can be used in downstream tasks such as classification, object detection, segmentation, and anomaly…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Rabia Ali , Muhammad Umar Karim Khan , Chong Min Kyung

Heterogeneous gap among different modalities emerges as one of the critical issues in modern AI problems. Unlike traditional uni-modal cases, where raw features are extracted and directly measured, the heterogeneous nature of cross modal…

信息检索 · 计算机科学 2015-11-19 Aiwen Jiang , Hanxi Li , Yi Li , Mingwen Wang

This paper proposes a hybrid fusion-based deep learning approach based on two different modalities, audio and video, to improve human activity recognition and violence detection in public places. To take advantage of audiovisual fusion,…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Pooya Janani , Amirabolfazl Suratgar , Afshin Taghvaeipour

Incomplete Multi-View Clustering (IMVC) faces the challenge of learning discriminative representations from fragmentary observations while maintaining robustness against missing views. However, prevalent Euclidean-based methods suffer from…

机器学习 · 计算机科学 2026-04-21 Tianyi Chen , Haobo Wang , Kai Tang , Gengyu Lyu , Tianlei Hu , Gang Chen , Hong Ma , Meixiang Xiang

Learning generalizable self-supervised graph representations for downstream tasks is challenging. To this end, Contrastive Learning (CL) has emerged as a leading approach. The embeddings of CL are arranged on a hypersphere where similarity…

机器学习 · 计算机科学 2025-02-25 Yifei Zhang , Hao Zhu , Menglin Yang , Jiahong Liu , Rex Ying , Irwin King , Piotr Koniusz

Deep representation learning is a ubiquitous part of modern computer vision. While Euclidean space has been the de facto standard manifold for learning visual representations, hyperbolic space has recently gained rapid traction for learning…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Pascal Mettes , Mina Ghadimi Atigh , Martin Keller-Ressel , Jeffrey Gu , Serena Yeung

Digraph Representation Learning (DRL) aims to learn representations for directed homogeneous graphs (digraphs). Prior work in DRL is largely constrained (e.g., limited to directed acyclic graphs), or has poor generalizability across tasks…

机器学习 · 计算机科学 2022-09-30 Honglu Zhou , Advith Chegu , Samuel S. Sohn , Zuohui Fu , Gerard de Melo , Mubbasir Kapadia

Out-Of-Distribution (OOD) detection is critical to deploy deep learning models in safety-critical applications. However, the inherent hierarchical concept structure of visual data, which is instrumental to OOD detection, is often poorly…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Alvaro Gonzalez-Jimenez , Simone Lionetti , Dena Bazazian , Philippe Gottfrois , Fabian Gröger , Marc Pouly , Alexander Navarini

In this work, we devise a new, general-purpose reinforcement learning strategy for the optimal control of parametric dynamical systems. Such problems frequently arise in applied sciences and engineering and entail a significant complexity…

机器学习 · 计算机科学 2026-02-12 Nicolò Botteghi , Stefania Fresca , Mengwu Guo , Andrea Manzoni

We propose a new representation of visual data that disentangles object position from appearance. Our method, termed Deep Latent Particles (DLP), decomposes the visual input into low-dimensional latent ``particles'', where each particle is…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Tal Daniel , Aviv Tamar

Deep reinforcement learning (DRL) agents are often sensitive to visual changes that were unseen in their training environments. To address this problem, we leverage the sequential nature of RL to learn robust representations that encode…

人工智能 · 计算机科学 2022-07-15 Jiameng Fan , Wenchao Li

Video Anomaly Detection (VAD) automates the identification of unusual events, such as security threats in surveillance videos. In real-world applications, VAD models must effectively operate in cross-domain settings, identifying rare…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Yashika Jain , Ali Dabouei , Min Xu

Monocular 3D object detection poses a significant challenge in 3D scene understanding due to its inherently ill-posed nature in monocular depth estimation. Existing methods heavily rely on supervised learning using abundant 3D labels,…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Zihua Liu , Hiroki Sakuma , Masatoshi Okutomi

Image retrieval (IR) has emerged as a promising approach for self-localization in unmanned aerial vehicles (UAVs). However, IR-based methods face several challenges: 1) Pre- and post-processing incur significant computational and storage…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Ming Dai , Enhui Zheng , Jiahao Chen , Lei Qi , Zhenhua Feng , Wankou Yang

Unsupervised graph representation learning has emerged as a powerful tool to address real-world problems and achieves huge success in the graph learning domain. Graph contrastive learning is one of the unsupervised graph representation…

机器学习 · 计算机科学 2022-03-08 Haoran Yang , Hongxu Chen , Shirui Pan , Lin Li , Philip S. Yu , Guandong Xu

Video super-resolution (VSR) aims to reconstruct a sequence of high-resolution (HR) images from their corresponding low-resolution (LR) versions. Traditionally, solving a VSR problem has been based on iterative algorithms that can exploit…

图像与视频处理 · 电气工程与系统科学 2021-02-24 Benjamin Naoto Chiche , Arnaud Woiselle , Joana Frontera-Pons , Jean-Luc Starck

Apart from discriminative models for classification and object detection tasks, the application of deep convolutional neural networks to basic research utilizing natural imaging data has been somewhat limited; particularly in cases where a…

计算机视觉与模式识别 · 计算机科学 2020-09-22 R. Ian Etheredge , Manfred Schartl , Alex Jordan