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Lane detection is a crucial perception task for all levels of automated vehicles (AVs) and Advanced Driver Assistance Systems, particularly in mixed-traffic environments where AVs must interact with human-driven vehicles (HDVs) and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Sandeep Patil , Yongqi Dong , Haneen Farah , Hans Hellendoorn

This paper presents a new self-supervised system for learning to detect novel and previously unseen categories of objects in images. The proposed system receives as input several unlabeled videos of scenes containing various objects. The…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Juntao Tan , Changkyu Song , Abdeslam Boularias

Video-based person re-identification (ReID) is challenging due to the presence of various interferences in video frames. Recent approaches handle this problem using temporal aggregation strategies. In this work, we propose a novel Context…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Kan Wang , Changxing Ding , Jianxin Pang , Xiangmin Xu

3D Gaussian Splatting is renowned for its high-fidelity reconstructions and real-time novel view synthesis, yet its lack of semantic understanding limits object-level perception. In this work, we propose ObjectGS, an object-aware framework…

Graphics · Computer Science 2025-07-22 Ruijie Zhu , Mulin Yu , Linning Xu , Lihan Jiang , Yixuan Li , Tianzhu Zhang , Jiangmiao Pang , Bo Dai

Models such as VGGT and $\pi^3$ have shown strong multi-view 3D performance, but their heavy reliance on global self-attention results in high computational cost. Existing sparse-attention variants offer partial speedups, yet lack a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Xianbing Sun , Zhikai Zhu , Zhengyu Lou , Bo Yang , Jinyang Tang , Liqing Zhang , He Wang , Jianfu Zhang

Video object detection is more challenging compared to image object detection. Previous works proved that applying object detector frame by frame is not only slow but also inaccurate. Visual clues get weakened by defocus and motion blur,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Congrui Hetang , Hongwei Qin , Shaohui Liu , Junjie Yan

3D instance segmentation methods typically rely on high-quality point clouds or posed RGB-D scans, requiring complex multi-stage processing pipelines, and are highly sensitive to reconstruction noise. While recent feed-forward transformers…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Jinyuan Qu , Hongyang Li , Lei Zhang

Trajectory prediction is fundamental to various intelligent technologies, such as autonomous driving and robotics. The motion prediction of pedestrians and vehicles helps emergency braking, reduces collisions, and improves traffic safety.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Yao Liu , Binghao Li , Xianzhi Wang , Claude Sammut , Lina Yao

4D driving simulation is essential for developing realistic autonomous driving simulators. Despite advancements in existing methods for generating driving scenes, significant challenges remain in view transformation and spatial-temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Lening Wang , Wenzhao Zheng , Dalong Du , Yunpeng Zhang , Yilong Ren , Han Jiang , Zhiyong Cui , Haiyang Yu , Jie Zhou , Jiwen Lu , Shanghang Zhang

In Video Object Detection (VID), a common practice is to leverage the rich temporal contexts from the video to enhance the object representations in each frame. Existing methods treat the temporal contexts obtained from different objects…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Chaorui Deng , Da Chen , Qi Wu

Semantic segmentation and stereo matching are two essential components of 3D environmental perception systems for autonomous driving. Nevertheless, conventional approaches often address these two problems independently, employing separate…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Zhiyuan Wu , Yi Feng , Chuang-Wei Liu , Fisher Yu , Qijun Chen , Rui Fan

Video object segmentation aims at accurately segmenting the target object regions across consecutive frames. It is technically challenging for coping with complicated factors (e.g., shape deformations, occlusion and out of the lens). Recent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Peng Sun , Peiwen Lin , Guangliang Cheng , Jianping Shi , Jiawan Zhang , Xi Li

Scene Graph Generation, which generally follows a regular encoder-decoder pipeline, aims to first encode the visual contents within the given image and then parse them into a compact summary graph. Existing SGG approaches generally not only…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Xingning Dong , Tian Gan , Xuemeng Song , Jianlong Wu , Yuan Cheng , Liqiang Nie

We propose a novel guided interactive segmentation (GIS) algorithm for video objects to improve the segmentation accuracy and reduce the interaction time. First, we design the reliability-based attention module to analyze the reliability of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Yuk Heo , Yeong Jun Koh , Chang-Su Kim

Feed-forward 3D foundation models face a key challenge: the quadratic computational cost introduced by global attention, which severely limits scalability as input length increases. Concurrent acceleration methods, such as token merging,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Xinze Li , Pengxu Chen , Yiyuan Wang , Weifeng Su , Wentao Cheng

Detecting road obstacles is essential for autonomous vehicles to navigate dynamic and complex traffic environments safely. Current road obstacle detection methods typically assign a score to each pixel and apply a threshold to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Youssef Shoeb , Nazir Nayal , Azarm Nowzad , Fatma Güney , Hanno Gottschalk

In this paper, we address the task of semantic-guided scene generation. One open challenge in scene generation is the difficulty of the generation of small objects and detailed local texture, which has been widely observed in global…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Hao Tang , Dan Xu , Yan Yan , Philip H. S. Torr , Nicu Sebe

Video understanding tasks have traditionally been modeled by two separate architectures, specially tailored for two distinct tasks. Sequence-based video tasks, such as action recognition, use a video backbone to directly extract…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Yucheng Zhao , Chong Luo , Chuanxin Tang , Dongdong Chen , Noel Codella , Zheng-Jun Zha

Input aggregation is a simple technique used by state-of-the-art LiDAR 3D object detectors to improve detection. However, increasing aggregation is known to have diminishing returns and even performance degradation, due to objects…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Chengjie Huang , Vahdat Abdelzad , Sean Sedwards , Krzysztof Czarnecki

Collaborative object localization aims to collaboratively estimate locations of objects observed from multiple views or perspectives, which is a critical ability for multi-agent systems such as connected vehicles. To enable collaborative…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Peng Gao , Rui Guo , Hongsheng Lu , Hao Zhang