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Video captioning is a critical task in the field of multimodal machine learning, aiming to generate descriptive and coherent textual narratives for video content. While large vision-language models (LVLMs) have shown significant progress,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Ji-jun Park , Soo-joon Choi

The dominant paradigm for video-based action segmentation is composed of two steps: first, for each frame, compute low-level features using Dense Trajectories or a Convolutional Neural Network that encode spatiotemporal information locally,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-31 Colin Lea , Rene Vidal , Austin Reiter , Gregory D. Hager

Recent two-stream deep Convolutional Neural Networks (ConvNets) have made significant progress in recognizing human actions in videos. Despite their success, methods extending the basic two-stream ConvNet have not systematically explored…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Chih-Yao Ma , Min-Hung Chen , Zsolt Kira , Ghassan AlRegib

Event cameras unlock new frontiers that were previously unthinkable with standard frame-based cameras. One notable example is low-latency motion estimation (optical flow), which is critical for many real-time applications. In such…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Muhammad Ahmed Humais , Xiaoqian Huang , Hussain Sajwani , Sajid Javed , Yahya Zweiri

High level understanding of sequential visual input is important for safe and stable autonomy, especially in localization and object detection. While traditional object classification and tracking approaches are specifically designed to…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Mo Shan , Nikolay Atanasov

The core challenge in video understanding lies in perceiving dynamic content changes over time. However, multimodal large language models struggle with temporal-sensitive video tasks, which requires generating timestamps to mark the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Henghao Zhao , Ge-Peng Ji , Rui Yan , Huan Xiong , Zechao Li

Optical-flow-based and kernel-based approaches have been extensively explored for temporal compensation in satellite Video Super-Resolution (VSR). However, these techniques are less generalized in large-scale or complex scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Yi Xiao , Qiangqiang Yuan , Kui Jiang , Xianyu Jin , Jiang He , Liangpei Zhang , Chia-Wen Lin

Learned video compression methods have gained a variety of interest in the video coding community since they have matched or even exceeded the rate-distortion (RD) performance of traditional video codecs. However, many current…

Image and Video Processing · Electrical Eng. & Systems 2024-02-02 Huairui Wang , Zhenzhong Chen

Human processes video reasoning in a sequential spatio-temporal reasoning logic, we first identify the relevant frames ("when") and then analyse the spatial relationships ("where") between key objects, and finally leverage these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Zixu Cheng , Jian Hu , Ziquan Liu , Chenyang Si , Wei Li , Shaogang Gong

Quantifying predictive uncertainty of deep semantic segmentation networks is essential in safety-critical tasks. In applications like autonomous driving, where video data is available, convolutional long short-term memory networks are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Laura Fieback , Bidya Dash , Jakob Spiegelberg , Hanno Gottschalk

We propose a novel deep structured learning framework for event temporal relation extraction. The model consists of 1) a recurrent neural network (RNN) to learn scoring functions for pair-wise relations, and 2) a structured support vector…

Computation and Language · Computer Science 2019-09-26 Rujun Han , I-Hung Hsu , Mu Yang , Aram Galstyan , Ralph Weischedel , Nanyun Peng

Event cameras are dynamic vision sensors inspired by the biological retina, characterized by their high dynamic range, high temporal resolution, and low power consumption. These features make them capable of perceiving 3D environments even…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Hoonhee Cho , Jae-Young Kang , Kuk-Jin Yoon

Multimodal Large Language Models (MLLMs) have shown strong performance in video understanding tasks. However, they continue to struggle with long-form videos because of an inefficient perception of temporal intervals. Unlike humans, who can…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Chenglin Li , Qianglong Chen , fengtao , Yin Zhang

The explosive growth in video streaming gives rise to challenges on performing video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Ji Lin , Chuang Gan , Song Han

In this work, we aim for temporally consistent semantic segmentation throughout frames in a video. Many semantic segmentation algorithms process images individually which leads to an inconsistent scene interpretation due to illumination…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Manuel Rebol , Patrick Knöbelreiter

Compared with image scene parsing, video scene parsing introduces temporal information, which can effectively improve the consistency and accuracy of prediction. In this paper, we propose a Spatial-Temporal Semantic Consistency method to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Xingjian He , Weining Wang , Zhiyong Xu , Hao Wang , Jie Jiang , Jing Liu

Video semantic segmentation requires to utilize the complex temporal relations between frames of the video sequence. Previous works usually exploit accurate optical flow to leverage the temporal relations, which suffer much from heavy…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Wang , Weining Wang , Jing Liu

The explosive growth in video streaming requires video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN-based methods can achieve good…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Ji Lin , Chuang Gan , Kuan Wang , Song Han

This work, termed MH-LVC, presents a multi-hypothesis temporal prediction scheme that employs long- and short-term reference frames in a conditional residual video coding framework. Recent temporal context mining approaches to conditional…

Image and Video Processing · Electrical Eng. & Systems 2025-10-15 Huu-Tai Phung , Zong-Lin Gao , Yi-Chen Yao , Kuan-Wei Ho , Yi-Hsin Chen , Yu-Hsiang Lin , Alessandro Gnutti , Wen-Hsiao Peng

This paper is on long-term video understanding where the goal is to recognise human actions over long temporal windows (up to minutes long). In prior work, long temporal context is captured by constructing a long-term memory bank consisting…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Ioanna Ntinou , Enrique Sanchez , Georgios Tzimiropoulos