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We present Region-aware Open-vocabulary Vision Transformers (RO-ViT) - a contrastive image-text pretraining recipe to bridge the gap between image-level pretraining and open-vocabulary object detection. At the pretraining phase, we propose…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Dahun Kim , Anelia Angelova , Weicheng Kuo

This paper addresses the task of segmenting moving objects in unconstrained videos. We introduce a novel two-stream neural network with an explicit memory module to achieve this. The two streams of the network encode spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2017-07-13 Pavel Tokmakov , Karteek Alahari , Cordelia Schmid

We present a novel self-supervised algorithm named MotionHint for monocular visual odometry (VO) that takes motion constraints into account. A key aspect of our approach is to use an appropriate motion model that can help existing…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Cong Wang , Yu-Ping Wang , Dinesh Manocha

The event camera, renowned for its high dynamic range and exceptional temporal resolution, is recognized as an important sensor for visual odometry. However, the inherent noise in event streams complicates the selection of high-quality map…

机器人学 · 计算机科学 2025-07-01 Zhaoxing Zhang , Xiaoxiang Wang , Chengliang Zhang , Yangyang Guo , Zikang Yuan , Xin Yang

Referring image segmentation segments an image from a language expression. With the aim of producing high-quality masks, existing methods often adopt iterative learning approaches that rely on RNNs or stacked attention layers to refine…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zhao Yang , Jiaqi Wang , Yansong Tang , Kai Chen , Hengshuang Zhao , Philip H. S. Torr

Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

LiDAR odometry is a fundamental task for various areas such as robotics, autonomous driving. This problem is difficult since it requires the systems to be highly robust running in noisy real-world data. Existing methods are mostly local…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Zhichao Li , Naiyan Wang

We consider the task of semi-supervised video object segmentation (VOS). Our approach mitigates shortcomings in previous VOS work by addressing detail preservation and temporal consistency using visual warping. In contrast to prior work…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Julia Gong , F. Christopher Holsinger , Serena Yeung

Visual Place Recognition (VPR) is a scene-oriented image retrieval problem in computer vision in which re-ranking based on local features is commonly employed to improve performance. In robotics, VPR is also referred to as Loop Closure…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Bingxi Liu , Hao Chen , Shiyi Guo , Yihong Wu , Jinqiang Cui , Hong Zhang

Vision Transformer (ViT) architectures are becoming increasingly popular and widely employed to tackle computer vision applications. Their main feature is the capacity to extract global information through the self-attention mechanism,…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Lorenzo Papa , Paolo Russo , Irene Amerini , Luping Zhou

With the success of deep learning based approaches in tackling challenging problems in computer vision, a wide range of deep architectures have recently been proposed for the task of visual odometry (VO) estimation. Most of these proposed…

机器人学 · 计算机科学 2018-04-16 Ganesh Iyer , J. Krishna Murthy , Gunshi Gupta , K. Madhava Krishna , Liam Paull

Video tasks are compute-heavy and thus pose a challenge when deploying in real-time applications, particularly for tasks that require state-of-the-art Vision Transformers (ViTs). Several research efforts have tried to address this challenge…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Sreetama Sarkar , Gourav Datta , Souvik Kundu , Kai Zheng , Chirayata Bhattacharyya , Peter A. Beerel

Visual-inertial odometry (VIO) is a vital technique used in robotics, augmented reality, and autonomous vehicles. It combines visual and inertial measurements to accurately estimate position and orientation. Existing VIO methods assume a…

机器人学 · 计算机科学 2024-04-30 Dan Solodar , Itzik Klein

Reference features from a template or historical frames are crucial for visual object tracking. Prior works utilize all features from a fixed template or memory for visual object tracking. However, due to the dynamic nature of videos, the…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Xinyu Zhou , Pinxue Guo , Lingyi Hong , Jinglun Li , Wei Zhang , Weifeng Ge , Wenqiang Zhang

Motion blur is one of the major challenges remaining for visual odometry methods. In low-light conditions where longer exposure times are necessary, motion blur can appear even for relatively slow camera motions. In this paper we present a…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Peidong Liu , Xingxing Zuo , Viktor Larsson , Marc Pollefeys

Current top-leading solutions for video object segmentation (VOS) typically follow a matching-based regime: for each query frame, the segmentation mask is inferred according to its correspondence to previously processed and the first…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Yurong Zhang , Liulei Li , Wenguan Wang , Rong Xie , Li Song , Wenjun Zhang

\noindent Memory has become the central mechanism enabling robust visual object tracking in modern segmentation-based frameworks. Recent methods built upon Segment Anything Model 2 (SAM2) have demonstrated strong performance by refining how…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Mohamad Alansari , Muzammal Naseer , Hasan Al Marzouqi , Naoufel Werghi , Sajid Javed

We proposed an end-to-end deep learning-based simultaneous localization and mapping (SLAM) system following conventional visual odometry (VO) pipelines. The proposed method completes the SLAM framework by including tracking, mapping, and…

机器人学 · 计算机科学 2019-05-10 Youngji Kim , Ayoung Kim

Video object segmentation is a fundamental research problem in computer vision. Recent techniques have often applied attention mechanism to object representation learning from video sequences. However, due to temporal changes in the video…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Quang-Trung Truong , Duc Thanh Nguyen , Binh-Son Hua , Sai-Kit Yeung

Contemporary Video Object Segmentation (VOS) approaches typically consist stages of feature extraction, matching, memory management, and multiple objects aggregation. Recent advanced models either employ a discrete modeling for these…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Wanyun Li , Pinxue Guo , Xinyu Zhou , Lingyi Hong , Yangji He , Xiangyu Zheng , Wei Zhang , Wenqiang Zhang