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Patch-based transformers have emerged as efficient and improved long-horizon modeling architectures for time series modeling. Yet, existing approaches rely on temporally-agnostic patch construction, where arbitrary starting positions and…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Sachith Abeywickrama , Emadeldeen Eldele , Min Wu , Xiaoli Li , Chau Yuen

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Haisheng Fu , Feng Liang

Attempt to fully discover the temporal diversity and chronological characteristics for self-supervised video representation learning, this work takes advantage of the temporal dependencies within videos and further proposes a novel…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Yang Liu , Keze Wang , Haoyuan Lan , Liang Lin

Classifier-Free Guidance (CFG) is a widely used inference-time technique to boost the image quality of diffusion models. Yet, its reliance on text conditions prevents its use in unconditional generation. We propose a simple method to enable…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Weijia Zhang , Yuehao Liu , Shanyan Guan , Wu Ran , Yanhao Ge , Wei Li , Chao Ma

Previous methods for dynamic facial expression in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. To solve this problem, we propose the spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Fuyan Ma , Bin Sun , Shutao Li

Accurate traffic prediction in real time plays an important role in Intelligent Transportation System (ITS) and travel navigation guidance. There have been many attempts to predict short-term traffic status which consider the spatial and…

机器学习 · 计算机科学 2023-02-22 Ruiyuan Jiang , Shangbo Wang , Yuli Zhang

Effective token compression remains a critical challenge for scaling models to handle increasingly complex and diverse datasets. A novel mechanism based on contextual reinforcement is introduced, dynamically adjusting token importance…

计算与语言 · 计算机科学 2025-08-11 Naderdel Piero , Zacharias Cromwell , Nathaniel Wainwright , Matthias Nethercott

Physics-related and model-based vessel trajectory prediction is highly accurate but requires specific knowledge of the vessel under consideration which is not always practical. Machine learning-based trajectory prediction models do not…

机器学习 · 计算机科学 2024-06-06 Kathrin Donandt , Karim Böttger , Dirk Söffker

Under certain circumstances, advanced neural video codecs can surpass the most complex traditional codecs in their rate-distortion (RD) performance. One of the main reasons for the high performance of existing neural video codecs is the use…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Kuan Tian , Yonghang Guan , Jinxi Xiang , Jun Zhang , Xiao Han , Wei Yang

Transformers have revolutionized machine learning across diverse domains, yet understanding their behavior remains crucial, particularly in high-stakes applications. This paper introduces the contextual counting task, a novel toy problem…

Generative models have demonstrated strong performance in conditional settings and can be viewed as a form of data compression, where the condition serves as a compact representation. However, their limited controllability and…

机器学习 · 计算机科学 2025-07-04 Xiao Li , Liangji Zhu , Anand Rangarajan , Sanjay Ranka

In point cloud compression, sufficient contexts are significant for modeling the point cloud distribution. However, the contexts gathered by the previous voxel-based methods decrease when handling sparse point clouds. To address this…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Chunyang Fu , Ge Li , Rui Song , Wei Gao , Shan Liu

Transformer-based large language models are trained to make predictions about the next word by aggregating representations of previous tokens through their self-attention mechanism. In the field of cognitive modeling, such attention…

计算与语言 · 计算机科学 2022-12-22 Byung-Doh Oh , William Schuler

With the advent of media streaming, video action recognition has become progressively important for various applications, yet at the high expense of requiring large-scale data labelling. To overcome the problem of expensive data labelling,…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Zhuoxiao Chen , Yadan Luo , Mahsa Baktashmotlagh

Guidance techniques are commonly used in diffusion and flow models to improve image quality and input consistency for conditional generative tasks such as class-conditional and text-to-image generation. In particular, classifier-free…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Tariq Berrada Ifriqi , Adriana Romero-Soriano , Michal Drozdzal , Jakob Verbeek , Karteek Alahari

This study explores the potential of open-source video conditional generation models as encoders for downstream tasks, focusing on instance segmentation using the BAIR Robot Pushing Dataset. The researchers propose using video prediction…

计算机视觉与模式识别 · 计算机科学 2024-05-28 James Maier , Nishanth Mohankumar

This paper outlines an end-to-end optimized lossy image compression framework using diffusion generative models. The approach relies on the transform coding paradigm, where an image is mapped into a latent space for entropy coding and, from…

图像与视频处理 · 电气工程与系统科学 2024-01-03 Ruihan Yang , Stephan Mandt

Temporal Grounding is to identify specific moments or highlights from a video corresponding to textual descriptions. Typical approaches in temporal grounding treat all video clips equally during the encoding process regardless of their…

计算机视觉与模式识别 · 计算机科学 2024-07-08 WonJun Moon , Sangeek Hyun , SuBeen Lee , Jae-Pil Heo

Contextual policy search allows adapting robotic movement primitives to different situations. For instance, a locomotion primitive might be adapted to different terrain inclinations or desired walking speeds. Such an adaptation is often…

机器学习 · 统计学 2015-11-17 Jan Hendrik Metzen

The leading approach for image compression with artificial neural networks (ANNs) is to learn a nonlinear transform and a fixed entropy model that are optimized for rate-distortion performance. We show that this approach can be…

计算机视觉与模式识别 · 计算机科学 2018-06-01 David Minnen , George Toderici , Saurabh Singh , Sung Jin Hwang , Michele Covell