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Learning policies from high-dimensional visual inputs, such as pixels and point clouds, is crucial in various applications. Visual reinforcement learning is a promising approach that directly trains policies from visual observations,…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Tongzhou Mu , Zhaoyang Li , Stanisław Wiktor Strzelecki , Xiu Yuan , Yunchao Yao , Litian Liang , Hao Su

First-person action recognition is a challenging task in video understanding. Because of strong ego-motion and a limited field of view, many backgrounds or noisy frames in a first-person video can distract an action recognition model during…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Lijin Yang , Yifei Huang , Yusuke Sugano , Yoichi Sato

Recent methods for long-tailed instance segmentation still struggle on rare object classes with few training data. We propose a simple yet effective method, Feature Augmentation and Sampling Adaptation (FASA), that addresses the data…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Yuhang Zang , Chen Huang , Chen Change Loy

In visual Reinforcement Learning (RL), upstream representation learning largely determines the effect of downstream policy learning. Employing auxiliary tasks allows the agent to enhance visual representation in a targeted manner, thereby…

机器学习 · 计算机科学 2024-05-21 Xin Liu , Yaran Chen , Dongbin Zhao

Meta reinforcement learning aims to develop policies that generalize to unseen tasks sampled from a task distribution. While context-based meta-RL methods improve task representation using task latents, they often struggle with…

机器学习 · 计算机科学 2026-05-21 Jeongmo Kim , Yisak Park , Minung Kim , Seungyul Han

In this work, we propose a novel Spatial-Temporal Attention (STA) approach to tackle the large-scale person re-identification task in videos. Different from the most existing methods, which simply compute representations of video clips…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Yang Fu , Xiaoyang Wang , Yunchao Wei , Thomas Huang

Weakly supervised video object segmentation (WSVOS) enables the identification of segmentation maps without requiring an extensive training dataset of object masks, relying instead on coarse video labels indicating object presence. Current…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Guiqiu Liao , Matjaz Jogan , Sai Koushik , Eric Eaton , Daniel A. Hashimoto

Spiking neural networks (SNNs) offer energy efficiency over artificial neural networks (ANNs) but suffer from high latency and computational overhead due to their multi-timestep operational nature. While various dynamic computation methods…

机器学习 · 计算机科学 2025-08-21 Donghwa Kang , Doohyun Kim , Sang-Ki Ko , Jinkyu Lee , Brent ByungHoon Kang , Hyeongboo Baek

Drawing upon the intuition that aligning different modalities to the same semantic embedding space would allow models to understand states and actions more easily, we propose a new perspective to the offline reinforcement learning (RL)…

人工智能 · 计算机科学 2024-02-21 Tianyu Zheng , Ge Zhang , Xingwei Qu , Ming Kuang , Stephen W. Huang , Zhaofeng He

Reinforcement learning (RL) holds significant promise for training LLM agents to handle complex, goal-oriented tasks that require multi-step interactions with external environments. However, a critical challenge when applying RL to these…

计算与语言 · 计算机科学 2025-05-28 Hanlin Wang , Chak Tou Leong , Jiashuo Wang , Jian Wang , Wenjie Li

Online temporal action localization (On-TAL) is the task of identifying multiple action instances given a streaming video. Since existing methods take as input only a video segment of fixed size per iteration, they are limited in…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Youngkil Song , Dongkeun Kim , Minsu Cho , Suha Kwak

Reasoning-centric video object segmentation is an inherently complex task: the query often refers to dynamics, causality, and temporal interactions, rather than static appearances. Yet existing solutions generally collapse these factors…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Yifan Li , Yingda Yin , Lingting Zhu , Weikai Chen , Shengju Qian , Xin Wang , Yanwei Fu

This technical report presents an overview of our solution used in the submission to 2021 HACS Temporal Action Localization Challenge on both Supervised Learning Track and Weakly-Supervised Learning Track. Temporal Action Localization (TAL)…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Haisheng Su , Peiqin Zhuang , Yukun Li , Dongliang Wang , Weihao Gan , Wei Wu , Yu Qiao

Text-speech joint spoken language modeling (SLM) aims at natural and intelligent speech-based interactions, but developing such a system may suffer from modality mismatch: speech unit sequences are much longer than text tokens. Prior work…

计算与语言 · 计算机科学 2026-03-16 Liang-Hsuan Tseng , Hung-yi Lee

Inference time latency has remained an open challenge for real world applications of large language models (LLMs). State-of-the-art (SOTA) speculative sampling (SpS) methods for LLMs, like EAGLE-3, use tree-based drafting to explore…

机器学习 · 计算机科学 2026-01-21 Chenan Wang , Daniel H. Shi , Haipeng Chen

Despite recent progress in reinforcement learning (RL) from raw pixel data, sample inefficiency continues to present a substantial obstacle. Prior works have attempted to address this challenge by creating self-supervised auxiliary tasks,…

机器学习 · 计算机科学 2024-05-27 Ruijie Zheng , Xiyao Wang , Yanchao Sun , Shuang Ma , Jieyu Zhao , Huazhe Xu , Hal Daumé , Furong Huang

The development of robotic systems for palletization in logistics scenarios is of paramount importance, addressing critical efficiency and precision demands in supply chain management. This paper investigates the application of…

机器人学 · 计算机科学 2024-04-09 Zheng Wu , Yichuan Li , Wei Zhan , Changliu Liu , Yun-Hui Liu , Masayoshi Tomizuka

Recent progress in Temporal Action Segmentation (TAS) has increasingly relied on complex architectures, which can hinder practical deployment. We present a lightweight dual-loss training framework that improves fine-grained segmentation…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Hinako Mitsuoka , Kazuhiro Hotta

Meta-reinforcement learning (meta-RL) acquires meta-policies that show good performance for tasks in a wide task distribution. However, conventional meta-RL, which learns meta-policies by randomly sampling tasks, has been reported to show…

机器学习 · 计算机科学 2022-04-01 Morio Matsumoto , Hiroya Matsuba , Toshihiro Kujirai

Video encoders optimize compression for human perception by minimizing reconstruction error under bit-rate constraints. In many modern applications such as autonomous driving, an overwhelming majority of videos serve as input for AI systems…

机器学习 · 计算机科学 2025-03-26 Uri Gadot , Assaf Shocher , Shie Mannor , Gal Chechik , Assaf Hallak