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Sparse algorithms offer great flexibility for multi-view temporal perception tasks. In this paper, we present an enhanced version of Sparse4D, in which we improve the temporal fusion module by implementing a recursive form of multi-frame…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Xuewu Lin , Tianwei Lin , Zixiang Pei , Lichao Huang , Zhizhong Su

3D occupancy prediction plays a pivotal role in the realm of autonomous driving, as it provides a comprehensive understanding of the driving environment. Most existing methods construct dense scene representations for occupancy prediction,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Zichen Yu , Quanli Liu , Wei Wang , Liyong Zhang , Xiaoguang Zhao

Cooperative perception is critical for autonomous driving, overcoming the inherent limitations of a single vehicle, such as occlusions and constrained fields-of-view. However, current approaches sharing dense Bird's-Eye-View (BEV) features…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Jiahao Wang , Zhongwei Jiang , Wenchao Sun , Jiaru Zhong , Haibao Yu , Yuner Zhang , Chenyang Lu , Chuang Zhang , Lei He , Shaobing Xu , Jianqiang Wang

Sparse Perception Models (SPMs) adopt a query-driven paradigm that forgoes explicit dense BEV or volumetric construction, enabling highly efficient computation and accelerated inference. In this paper, we introduce SQS, a novel query-based…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Haiming Zhang , Yiyao Zhu , Wending Zhou , Xu Yan , Yingjie Cai , Bingbing Liu , Shuguang Cui , Zhen Li

Occupancy prediction plays a pivotal role in autonomous driving. Previous methods typically construct dense 3D volumes, neglecting the inherent sparsity of the scene and suffering from high computational costs. To bridge the gap, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Haisong Liu , Yang Chen , Haiguang Wang , Zetong Yang , Tianyu Li , Jia Zeng , Li Chen , Hongyang Li , Limin Wang

The celebrated sparse representation model has led to remarkable results in various signal processing tasks in the last decade. However, despite its initial purpose of serving as a global prior for entire signals, it has been commonly used…

Information Theory · Computer Science 2017-10-11 Vardan Papyan , Jeremias Sulam , Michael Elad

We introduce a motion forecasting (behavior prediction) method that meets the latency requirements for autonomous driving in dense urban environments without sacrificing accuracy. A whole-scene sparse input representation allows StopNet to…

Robotics · Computer Science 2022-06-03 Jinkyu Kim , Reza Mahjourian , Scott Ettinger , Mayank Bansal , Brandyn White , Ben Sapp , Dragomir Anguelov

To operate effectively in the real world, agents should be able to act from high-dimensional raw sensory input such as images and achieve diverse goals across long time-horizons. Current deep reinforcement and imitation learning methods can…

Machine Learning · Computer Science 2020-11-16 Scott Emmons , Ajay Jain , Michael Laskin , Thanard Kurutach , Pieter Abbeel , Deepak Pathak

End-to-end autonomous driving systems increasingly rely on vision-centric world models to understand and predict their environment. However, a common ineffectiveness in these models is the full reconstruction of future scenes, which expends…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Jianbiao Mei , Yu Yang , Xuemeng Yang , Licheng Wen , Jiajun Lv , Botian Shi , Yong Liu

World models serve as essential building blocks toward Artificial General Intelligence (AGI), enabling intelligent agents to predict future states and plan actions by simulating complex physical interactions. However, existing interactive…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Junyi Chen , Haoyi Zhu , Xianglong He , Yifan Wang , Jianjun Zhou , Wenzheng Chang , Yang Zhou , Zizun Li , Zhoujie Fu , Jiangmiao Pang , Tong He

World models aim to endow AI systems with the ability to represent, generate, and interact with dynamic environments in a coherent and temporally consistent manner. While recent video generation models have demonstrated impressive visual…

Latent steering exploits internal representations of Large Language Models (LLMs) to guide generation, yet interventions on dense states can entangle distinct semantic features. In this paper, we investigate attention query activations as a…

Machine Learning · Computer Science 2026-05-25 Sumanta Bhattacharyya , Pedram Rooshenas

We propose DOME, a diffusion-based world model that predicts future occupancy frames based on past occupancy observations. The ability of this world model to capture the evolution of the environment is crucial for planning in autonomous…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Songen Gu , Wei Yin , Bu Jin , Xiaoyang Guo , Junming Wang , Haodong Li , Qian Zhang , Xiaoxiao Long

3D semantic occupancy prediction has emerged as a critical perception task for autonomous driving due to its ability to offer voxel-level semantic and geometric understanding of the environment. However, such a refined representation for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Hanlin Wu , Pengfei Lin , Ehsan Javanmardi , Naren Bao , Bo Qian , Hao Si , Manabu Tsukada

Accurately predicting 3D occupancy grids from visual inputs is critical for autonomous driving, but current discriminative methods struggle with noisy data, incomplete observations, and the complex structures inherent in 3D scenes. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Yunshen Wang , Yicheng Liu , Tianyuan Yuan , Yingshi Liang , Xiuyu Yang , Honggang Zhang , Hang Zhao

Many animals possess a remarkable capacity to rapidly construct flexible cognitive maps of their environments. These maps are crucial for ethologically relevant behaviors such as navigation, exploration, and planning. Existing computational…

Artificial Intelligence · Computer Science 2026-02-04 Zizhan He , Maxime Daigle , Pouya Bashivan

Learning world models from their sensory inputs enables agents to plan for actions by imagining their future outcomes. World models have previously been shown to improve sample-efficiency in simulated environments with few objects, but have…

Machine Learning · Computer Science 2022-10-24 Arnav Kumar Jain , Shivakanth Sujit , Shruti Joshi , Vincent Michalski , Danijar Hafner , Samira Ebrahimi-Kahou

In multi-view 3D human pose estimation, models typically rely on images captured simultaneously from different camera views to predict a pose at a specific moment. While providing accurate spatial information, this traditional approach…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Ling Li , Changjie Chen , Yuyan Wang , Jiaqing Lyu , Kenglun Chang , Yiyun Chen , Zhidong Deng

Understanding how the 3D scene evolves is vital for making decisions in autonomous driving. Most existing methods achieve this by predicting the movements of object boxes, which cannot capture more fine-grained scene information. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Wenzhao Zheng , Weiliang Chen , Yuanhui Huang , Borui Zhang , Yueqi Duan , Jiwen Lu

Building world models with spatial consistency and real-time interactivity remains a fundamental challenge in computer vision. Current video generation paradigms often struggle with a lack of spatial persistence and insufficient visual…