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Compared with voxel-based grid prediction, in the field of 3D semantic occupation prediction for autonomous driving, GaussianFormer proposed using 3D Gaussian to describe scenes with sparse 3D semantic Gaussian based on objects is another…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ziyue Zhao , Qining Qi , Jianfa Ma

Long-term complex activity recognition and localisation can be crucial for decision making in autonomous systems such as smart cars and surgical robots. Here we address the problem via a novel deformable, spatiotemporal scene graph…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Salman Khan , Fabio Cuzzolin

Temporal graph learning aims to generate high-quality representations for graph-based tasks with dynamic information, which has recently garnered increasing attention. In contrast to static graphs, temporal graphs are typically organized as…

Machine Learning · Computer Science 2024-04-30 Meng Liu , Ke Liang , Yawei Zhao , Wenxuan Tu , Sihang Zhou , Xinbiao Gan , Xinwang Liu , Kunlun He

Most of the existing algorithms for traffic speed forecasting split spatial features and temporal features to independent modules, and then associate information from both dimensions. However, features from spatial and temporal dimensions…

Social and Information Networks · Computer Science 2020-08-11 Yi Xie , Yun Xiong , Yangyong Zhu

Volatility forecasting is essential for risk management and decision-making in financial markets. Traditional models like Generalized Autoregressive Conditional Heteroskedasticity (GARCH) effectively capture volatility clustering but often…

Mathematical Finance · Quantitative Finance 2024-10-23 Pulikandala Nithish Kumar , Nneka Umeorah , Alex Alochukwu

Inductive representation learning on temporal graphs is an important step toward salable machine learning on real-world dynamic networks. The evolving nature of temporal dynamic graphs requires handling new nodes as well as capturing…

Machine Learning · Computer Science 2020-02-20 Da Xu , Chuanwei Ruan , Evren Korpeoglu , Sushant Kumar , Kannan Achan

This paper presents a novel framework for Speech Activity Detection (SAD). Inspired by the recent success of multi-task learning approaches in the speech processing domain, we propose a novel joint learning framework for SAD. We utilise…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-06 Tharindu Fernando , Sridha Sridharan , Mitchell McLaren , Darshana Priyasad , Simon Denman , Clinton Fookes

Understanding dynamic 3D environments is essential for safe autonomous driving, particularly when reasoning about human-centric, nonrigid agents. However, existing weakly supervised occupancy prediction frameworks predominantly assume…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Yang Gao , Wuyang Li , Po-Chien Luan , Alexandre Alahi

Disentangled Graph Convolutional Network (DisenGCN) is an encouraging framework to disentangle the latent factors arising in a real-world graph. However, it relies on disentangling information heavily from a local range (i.e., a node and…

Machine Learning · Computer Science 2023-12-15 Jingwei Guo , Kaizhu Huang , Xinping Yi , Rui Zhang

Visual generation has witnessed remarkable progress in single-image tasks, yet extending these capabilities to temporal sequences remains challenging. Current approaches either build specialized video models from scratch with enormous…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Cong Wan , Xiangyang Luo , Hao Luo , Zijian Cai , Yiren Song , Yunlong Zhao , Yifan Bai , Fan Wang , Yuhang He , Yihong Gong

Predicting future motion based on historical motion sequence is a fundamental problem in computer vision, and it has wide applications in autonomous driving and robotics. Some recent works have shown that Graph Convolutional Networks(GCN)…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Chongyang Zhong , Lei Hu , Zihao Zhang , Yongjing Ye , Shihong Xia

3D semantic occupancy prediction is essential for achieving safe, reliable autonomous driving and robotic navigation. Compared to camera-only perception systems, multi-modal pipelines, especially LiDAR-camera fusion methods, can produce…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Lingjun Zhao , Sizhe Wei , James Hays , Lu Gan

Temporally localizing actions in a video is a fundamental challenge in video understanding. Most existing approaches have often drawn inspiration from image object detection and extended the advances, e.g., SSD and Faster R-CNN, to produce…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Fuchen Long , Ting Yao , Zhaofan Qiu , Xinmei Tian , Jiebo Luo , Tao Mei

Temporal networks have been widely used to model real-world complex systems such as financial systems and e-commerce systems. In a temporal network, the joint neighborhood of a set of nodes often provides crucial structural information…

Machine Learning · Computer Science 2022-12-02 Yuhong Luo , Pan Li

Recently, methods that represent data as a graph, such as graph neural networks (GNNs) have been successfully used to learn data representations and structures to solve classification and link prediction problems. The applications of such…

Machine Learning · Computer Science 2022-10-04 Usman Mahmood , Zening Fu , Vince Calhoun , Sergey Plis

Forecasting the trajectories of neighbor vehicles is a crucial step for decision making and motion planning of autonomous vehicles. This paper proposes a graph-based spatial-temporal convolutional network (GSTCN) to predict future…

Machine Learning · Computer Science 2022-10-17 Zihao Sheng , Yunwen Xu , Shibei Xue , Dewei Li

Open-vocabulary scene understanding is crucial for robotic applications, enabling robots to comprehend complex 3D environmental contexts and supporting various downstream tasks such as navigation and manipulation. However, existing methods…

Reconstructing urban scenes is challenging due to their complex geometries and the presence of potentially dynamic objects. 3D Gaussian Splatting (3DGS)-based methods have shown strong performance, but existing approaches often incorporate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ziwen Li , Jiaxin Huang , Runnan Chen , Yunlong Che , Yandong Guo , Tongliang Liu , Fakhri Karray , Mingming Gong

Multivariate time series forecasting enables the prediction of future states by leveraging historical data, thereby facilitating decision-making processes. Each data node in a multivariate time series encompasses a sequence of multiple…

Machine Learning · Computer Science 2025-05-02 Xinlong Zhao , Liying Zhang , Tianbo Zou , Yan Zhang

Training deep models for LiDAR semantic segmentation is challenging due to the inherent sparsity of point clouds. Utilizing temporal data is a natural remedy against the sparsity problem as it makes the input signal denser. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xiaopei Wu , Yuenan Hou , Xiaoshui Huang , Binbin Lin , Tong He , Xinge Zhu , Yuexin Ma , Boxi Wu , Haifeng Liu , Deng Cai , Wanli Ouyang