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With the attention gained by camera-only 3D object detection in autonomous driving, methods based on Bird-Eye-View (BEV) representation especially derived from the forward view transformation paradigm, i.e., lift-splat-shoot (LSS), have…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Weijie Ma , Jingwei Jiang , Yang Yang , Zehui Chen , Hao Chen

Recently emerged Vision-and-Language Navigation (VLN) tasks have drawn significant attention in both computer vision and natural language processing communities. Existing VLN tasks are built for agents that navigate on the ground, either…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Shubo Liu , Hongsheng Zhang , Yuankai Qi , Peng Wang , Yaning Zhang , Qi Wu

Recent open-vocabulary robot mapping methods enrich dense geometric maps with pre-trained visual-language features. While these maps allow for the prediction of point-wise saliency maps when queried for a certain language concept,…

Robotics · Computer Science 2024-10-01 Abdelrhman Werby , Chenguang Huang , Martin Büchner , Abhinav Valada , Wolfram Burgard

Estimating a semantically segmented bird's-eye-view (BEV) map from a single image has become a popular technique for autonomous control and navigation. However, they show an increase in localization error with distance from the camera.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Avishkar Saha , Oscar Mendez , Chris Russell , Richard Bowden

Vision-and-Language Navigation (VLN) is a core task where embodied agents leverage their spatial mobility to navigate in 3D environments toward designated destinations based on natural language instructions. Recently, video-language large…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Zihan Wang , Seungjun Lee , Gim Hee Lee

Visual bird's eye view (BEV) perception, due to its excellent perceptual capabilities, is progressively replacing costly LiDAR-based perception systems, especially in the realm of urban intelligent driving. However, this type of perception…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Lei He , Qiaoyi Wang , Honglin Sun , Qing Xu , Bolin Gao , Shengbo Eben Li , Jianqiang Wang , Keqiang Li

Mapping and scene representation are fundamental to reliable planning and navigation in mobile robots. While purely geometric maps using voxel grids allow for general navigation, obtaining up-to-date spatial and semantically rich…

Robotics · Computer Science 2025-03-12 Tim Steinke , Martin Büchner , Niclas Vödisch , Abhinav Valada

In vision-and-language navigation (VLN), an embodied agent is required to navigate in realistic 3D environments following natural language instructions. One major bottleneck for existing VLN approaches is the lack of sufficient training…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Shizhe Chen , Pierre-Louis Guhur , Makarand Tapaswi , Cordelia Schmid , Ivan Laptev

Vision-and-language navigation (VLN) is a task in which an agent is embodied in a realistic 3D environment and follows an instruction to reach the goal node. While most of the previous studies have built and investigated a discriminative…

Computation and Language · Computer Science 2020-10-09 Shuhei Kurita , Kyunghyun Cho

Semantic segmentation in bird's eye view (BEV) plays a crucial role in autonomous driving. Previous methods usually follow an end-to-end pipeline, directly predicting the BEV segmentation map from monocular RGB inputs. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Tianhao Zhao , Yongcan Chen , Yu Wu , Tianyang Liu , Bo Du , Peilun Xiao , Shi Qiu , Hongda Yang , Guozhen Li , Yi Yang , Yutian Lin

Aerial Vision-and-Language Navigation (Aerial VLN) enables unmanned aerial vehicles (UAVs) to follow natural language instructions and navigate complex urban environments. While recent advances have achieved progress through large-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yuwei Ning , Ganlong Zhao , Yipeng Qin , Si Liu , Yang Liu , Liang Lin , Guanbin Li

Vision-and-Language Navigation (VLN) is a realistic but challenging task that requires an agent to locate the target region using verbal and visual cues. While significant advancements have been achieved recently, there are still two broad…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Liuyi Wang , Zongtao He , Jiagui Tang , Ronghao Dang , Naijia Wang , Chengju Liu , Qijun Chen

A Scene, represented visually using different formats such as RGB-D, LiDAR scan, keypoints, rectangular, spherical, multi-views, etc., contains information implicitly embedded relevant to applications such as scene indexing, vision-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Preeti Meena , Himanshu Kumar , Sandeep Yadav

Vision-and-language navigation (VLN) aims to enable embodied agents to navigate in realistic environments using natural language instructions. Given the scarcity of domain-specific training data and the high diversity of image and language…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Pierre-Louis Guhur , Makarand Tapaswi , Shizhe Chen , Ivan Laptev , Cordelia Schmid

Vision-and-Language Navigation (VLN) requires an agent to ground language instructions to its own movement within a visual environment. While state-of-the-art methods leverage the reasoning capabilities of Vision-Language Models (VLMs) for…

Vision-and-Language Navigation (VLN) requires an agent to find a path to a remote location on the basis of natural-language instructions and a set of photo-realistic panoramas. Most existing methods take the words in the instructions and…

Computation and Language · Computer Science 2021-08-26 Yuankai Qi , Zizheng Pan , Yicong Hong , Ming-Hsuan Yang , Anton van den Hengel , Qi Wu

Retrieving spatial information and understanding the semantic information of the surroundings are important for Bird's-Eye-View (BEV) semantic segmentation. In the application of autonomous driving, autonomous vehicles need to be aware of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Qiuxiao Chen , Xiaojun Qi

Autonomous driving technology has the potential to transform transportation, but its wide adoption depends on the development of interpretable and transparent decision-making systems. Scene captioning, which generates natural language…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Felix Brandstaetter , Erik Schuetz , Katharina Winter , Fabian Flohr

Vision-and-Language Navigation (VLN) empowers agents to associate time-sequenced visual observations with corresponding instructions to make sequential decisions. However, generalization remains a persistent challenge, particularly when…

Robotics · Computer Science 2025-02-27 Zerui Li , Gengze Zhou , Haodong Hong , Yanyan Shao , Wenqi Lyu , Yanyuan Qiao , Qi Wu

Numerous applications require robots to operate in environments shared with other agents, such as humans or other robots. However, such shared scenes are typically subject to different kinds of long-term semantic scene changes. The ability…

Robotics · Computer Science 2023-07-13 Samuel Looper , Javier Rodriguez-Puigvert , Roland Siegwart , Cesar Cadena , Lukas Schmid