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Vision-Language Models (VLMs) such as CLIP enable strong zero-shot recognition but suffer substantial degradation under distribution shifts. Test-Time Adaptation (TTA) aims to improve robustness using only unlabeled test samples, yet most…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Sanggeon Yun , Ryozo Masukawa , SungHeon Jeong , Wenjun Huang , Hanning Chen , Mohsen Imani

3D convolution neural networks (CNNs) have been the prevailing option for video recognition. To capture the temporal information, 3D convolutions are computed along the sequences, leading to cubically growing and expensive computations. To…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Junyan Wang , Zhenhong Sun , Yichen Qian , Dong Gong , Xiuyu Sun , Ming Lin , Maurice Pagnucco , Yang Song

Recent work on Vision Transformers (VTs) showed that introducing a local inductive bias in the VT architecture helps reducing the number of samples necessary for training. However, the architecture modifications lead to a loss of generality…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Elia Peruzzo , Enver Sangineto , Yahui Liu , Marco De Nadai , Wei Bi , Bruno Lepri , Nicu Sebe

In an intelligent transportation system, the key problem of traffic forecasting is how to extract periodic temporal dependencies and complex spatial correlations. Current state-of-the-art methods for predicting traffic flow are based on…

Machine Learning · Computer Science 2022-03-01 Zichuan Liu , Rui Zhang , Chen Wang , Zhu Xiao , Hongbo Jiang

As the basic building block of Convolutional Neural Networks (CNNs), the convolutional layer is designed to extract local patterns and lacks the ability to model global context in its nature. Many efforts have been recently devoted to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Xudong Lin , Lin Ma , Wei Liu , Shih-Fu Chang

In video analysis, understanding the temporal context is crucial for recognizing object interactions, event patterns, and contextual changes over time. The proposed model leverages adjacency and semantic similarities between objects from…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Ahnaf Farhan , M. Shahriar Hossain

For learned image compression, the autoregressive context model is proved effective in improving the rate-distortion (RD) performance. Because it helps remove spatial redundancies among latent representations. However, the decoding process…

Image and Video Processing · Electrical Eng. & Systems 2021-04-02 Dailan He , Yaoyan Zheng , Baocheng Sun , Yan Wang , Hongwei Qin

Text classification aims to assign labels to textual units by making use of global information. Recent studies have applied graph neural network (GNN) to capture the global word co-occurrence in a corpus. Existing approaches require that…

Computation and Language · Computer Science 2022-06-02 Kunze Wang , Soyeon Caren Han , Josiah Poon

Grasp detection in a cluttered environment is still a great challenge for robots. Currently, the Transformer mechanism has been successfully applied to visual tasks, and its excellent ability of global context information extraction…

Robotics · Computer Science 2022-05-31 Mingshuai Dong , Xiuli Yu

We propose ContextLM, a framework that implicitly learns multi-token prediction by augmenting standard pretraining with an intrinsic next-context prediction objective. ContextLM builds a language model on top of context embeddings that span…

Computation and Language · Computer Science 2026-02-12 Beiya Dai , Yuliang Liu , Daozheng Xue , Yunchong Song , Qipeng Guo , Kai Chen , Xinbing Wang , Bowen Zhou , Zhouhan Lin

When deploying artificial agents in real-world environments where they interact with humans, it is crucial that their behavior is aligned with the values, social norms or other requirements of that environment. However, many environments…

Machine Learning · Computer Science 2023-05-05 Mattijs Baert , Pietro Mazzaglia , Sam Leroux , Pieter Simoens

Semantic maps are increasingly utilized in areas such as robotics, autonomous systems, and extended reality, motivating the investigation of efficient compression methods that preserve structured semantic information. This paper studies…

Image and Video Processing · Electrical Eng. & Systems 2026-03-30 Runyu Yang , Junqi Liao , Hyomin Choi , Fabien Racapé , Ivan V. Bajić

In this paper, we re-examine the task of cross-modal clip-sentence retrieval, where the clip is part of a longer untrimmed video. When the clip is short or visually ambiguous, knowledge of its local temporal context (i.e. surrounding video…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Adriano Fragomeni , Michael Wray , Dima Damen

Accurately predicting smartphone app usage is challenging due to the sparsity and irregularity of user behavior, especially under cold-start and low-activity conditions. Existing approaches mostly rely on static or attention-only…

Machine Learning · Computer Science 2025-09-30 Longlong Li , Cunquan Qu , Guanghui Wang

Spatio-temporal video grounding (or STVG) task aims at locating a spatio-temporal tube for a specific instance given a text query. Despite advancements, current methods easily suffer the distractors or heavy object appearance variations in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Xin Gu , Heng Fan , Yan Huang , Tiejian Luo , Libo Zhang

We describe a new semantic parsing setting that allows users to query the system using both natural language questions and actions within a graphical user interface. Multiple time series belonging to an entity of interest are stored in a…

Computation and Language · Computer Science 2019-05-02 Charles Chen , Razvan Bunescu

Human activity intensity prediction is crucial to many location-based services. Despite tremendous progress in modeling dynamics of human activity, most existing methods overlook physical constraints of spatial interaction, leading to…

Machine Learning · Computer Science 2025-10-27 Yi Wang , Zhenghong Wang , Fan Zhang , Chaogui Kang , Sijie Ruan , Di Zhu , Chengling Tang , Zhongfu Ma , Weiyu Zhang , Yu Zheng , Philip S. Yu , Yu Liu

Recently, deep learning methods have shown promising results in point cloud compression. For octree-based point cloud compression, previous works show that the information of ancestor nodes and sibling nodes are equally important for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yiqi Jin , Ziyu Zhu , Tongda Xu , Yuhuan Lin , Yan Wang

Test-time adaptation aims to adapt to realistic environments in an online manner by learning during test time. Entropy minimization has emerged as a principal strategy for test-time adaptation due to its efficiency and adaptability.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Jisu Han , Jaemin Na , Wonjun Hwang

Test-time adaptation (TTA) aims at adapting a model pre-trained on the labeled source domain to the unlabeled target domain. Existing methods usually focus on improving TTA performance under covariate shifts, while neglecting semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Zhengqing Gao , Xu-Yao Zhang , Cheng-Lin Liu