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In this technical report, we present our solution, named UniOCC, for the Vision-Centric 3D occupancy prediction track in the nuScenes Open Dataset Challenge at CVPR 2023. Existing methods for occupancy prediction primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Mingjie Pan , Li Liu , Jiaming Liu , Peixiang Huang , Longlong Wang , Shanghang Zhang , Shaoqing Xu , Zhiyi Lai , Kuiyuan Yang

Existed pre-training methods either focus on single-modal tasks or multi-modal tasks, and cannot effectively adapt to each other. They can only utilize single-modal data (i.e. text or image) or limited multi-modal data (i.e. image-text…

Computation and Language · Computer Science 2022-03-15 Wei Li , Can Gao , Guocheng Niu , Xinyan Xiao , Hao Liu , Jiachen Liu , Hua Wu , Haifeng Wang

Channel charting (CC) is a self-supervised positioning technique whose main limitation is that the estimated positions lie in an arbitrary coordinate system that is not aligned with true spatial coordinates. In this work, we propose a novel…

Signal Processing · Electrical Eng. & Systems 2025-11-13 José Miguel Mateos-Ramos , Frederik Zumegen , Henk Wymeersch , Christian Häger , Christoph Studer

Inertial localization is particularly valuable in GPS-denied environments such as indoors. However, localization using only Inertial Measurement Units (IMUs) suffers from drift caused by motion-process noise and sensor biases. This paper…

Robotics · Computer Science 2026-01-13 Mohammed S. Alharbi , Shinkyu Park

Recent advances in learned video compression (LVC) have led to significant performance gains, with codecs such as DCVC-RT surpassing the H.266/VVC low-delay mode in compression efficiency. However, existing LVCs still exhibit key…

Image and Video Processing · Electrical Eng. & Systems 2026-03-09 Yichi Zhang , Ruoyu Yang , Fengqing Zhu

Methods for object detection and segmentation rely on large scale instance-level annotations for training, which are difficult and time-consuming to collect. Efforts to alleviate this look at varying degrees and quality of supervision.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Siddhesh Khandelwal , Raghav Goyal , Leonid Sigal

We formulate a unifying framework for unsupervised continual learning (UCL), which disentangles learning objectives that are specific to the present and the past data, encompassing stability, plasticity, and cross-task consolidation. The…

Machine Learning · Computer Science 2024-08-13 Yipeng Zhang , Laurent Charlin , Richard Zemel , Mengye Ren

Self-supervised learning (SSL) holds promise in leveraging large amounts of unlabeled data. However, the success of popular SSL methods has limited on single-centric-object images like those in ImageNet and ignores the correlation among the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Zhaowen Li , Yousong Zhu , Fan Yang , Wei Li , Chaoyang Zhao , Yingying Chen , Zhiyang Chen , Jiahao Xie , Liwei Wu , Rui Zhao , Ming Tang , Jinqiao Wang

Human mobility prediction is vital for urban planning, transportation optimization, and personalized services. However, the inherent randomness, non-uniform time intervals, and complex patterns of human mobility, compounded by the…

Machine Learning · Computer Science 2025-11-11 Chonghua Han , Yuan Yuan , Yukun Liu , Jingtao Ding , Jie Feng , Yong Li

We consider the problem of estimating an RF-device's location based on observations, such as received signal strength, from a set of transmitters with known locations. We survey the literature on this problem, showing that previous authors…

Networking and Internet Architecture · Computer Science 2017-03-09 Nachikethas A. Jagadeesan , Bhaskar Krishnamachari

Recent proposals in multicast overlay construction have demonstrated the importance of exploiting underlying network topology. However, these topology-aware proposals often rely on incremental and periodic refinements to improve the system…

Networking and Internet Architecture · Computer Science 2016-08-16 Mohamed Ali Dali Kaafar , Thierry Turletti , Walid Dabbous

Conventional visual object trackers localize targets using handcrafted spatial priors, often in the form of heatmaps. Such priors provide only surrogate supervision and are poorly aligned with tracking optimization and evaluation metrics,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Xin Chen , Chuanyu Sun , Jiao Xu , Houwen Peng , Dong Wang , Huchuan Lu , Kede Ma

We introduce UniLoss, a unified framework to generate surrogate losses for training deep networks with gradient descent, reducing the amount of manual design of task-specific surrogate losses. Our key observation is that in many cases,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Lanlan Liu , Mingzhe Wang , Jia Deng

Object detection has long been a topic of high interest in computer vision literature. Motivated by the fact that annotating data for the multi-object tracking (MOT) problem is immensely expensive, recent studies have turned their attention…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Son Tran , Cong Tran , Anh Tran , Cuong Pham

In recent years, a variety of contrastive learning based unsupervised visual representation learning methods have been designed and achieved great success in many visual tasks. Generally, these methods can be roughly classified into four…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Wenbin Li , Meihao Kong , Xuesong Yang , Lei Wang , Jing Huo , Yang Gao , Jiebo Luo

Single object tracking aims to localize target object with specific reference modalities (bounding box, natural language or both) in a sequence of specific video modalities (RGB, RGB+Depth, RGB+Thermal or RGB+Event.). Different reference…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yinchao Ma , Yuyang Tang , Wenfei Yang , Tianzhu Zhang , Xu Zhou , Feng Wu

Visual recognition is recently learned via either supervised learning on human-annotated image-label data or language-image contrastive learning with webly-crawled image-text pairs. While supervised learning may result in a more…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Jianwei Yang , Chunyuan Li , Pengchuan Zhang , Bin Xiao , Ce Liu , Lu Yuan , Jianfeng Gao

Real-time state tracking of Deformable Linear Objects (DLOs) is critical for enabling robotic manipulation of DLOs in industrial assembly, medical procedures, and daily-life applications. However, the high-dimensional configuration space,…

Robotics · Computer Science 2025-12-11 Fan Wu , Chenguang Yang , Haibin Yang , Shuo Wang , Yanrui Xu , Xing Zhou , Meng Gao , Yaoqi Xian , Zhihong Zhu , Shifeng Huang

Place recognition is a critical component of autonomous vehicles and robotics, enabling global localization in GPS-denied environments. Recent advances have spurred significant interest in multimodal place recognition (MPR), which leverages…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Zhangshuo Qi , Jingyi Xu , Luqi Cheng , Shichen Wen , Yiming Ma , Guangming Xiong

In this paper, we propose a novel multi-view clustering model, named Dual-space Co-training Large-scale Multi-view Clustering (DSCMC). The main objective of our approach is to enhance the clustering performance by leveraging co-training in…

Machine Learning · Computer Science 2024-01-30 Zisen Kong , Zhiqiang Fu , Dongxia Chang , Yiming Wang , Yao Zhao