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Visual Place Recognition (VPR) approaches have typically attempted to match places by identifying visual cues, image regions or landmarks that have high ``utility'' in identifying a specific place. But this concept of utility is not…

Robotics · Computer Science 2021-07-07 Nikhil Varma Keetha , Michael Milford , Sourav Garg

LiDAR-based place recognition (LPR) plays a pivotal role in autonomous driving, which assists Simultaneous Localization and Mapping (SLAM) systems in reducing accumulated errors and achieving reliable localization. However, existing reviews…

Robotics · Computer Science 2024-12-09 Yongjun Zhang , Pengcheng Shi , Jiayuan Li

In this paper, we propose a method that extends the query-based object detection model, DETR, to spatio-temporal action detection, which requires maintaining temporal consistency in videos. Our proposed method applies DETR to each frame and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Shimon Hori , Kazuki Omi , Toru Tamaki

Unsupervised domain adaptation is critical in various computer vision tasks, such as object detection, instance segmentation, and semantic segmentation, which aims to alleviate performance degradation caused by domain-shift. Most of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Congcong Li , Dawei Du , Libo Zhang , Longyin Wen , Tiejian Luo , Yanjun Wu , Pengfei Zhu

Pre-trained on tremendous image-text pairs, vision-language models like CLIP have demonstrated promising zero-shot generalization across numerous image-based tasks. However, extending these capabilities to video tasks remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zichen Liu , Kunlun Xu , Bing Su , Xu Zou , Yuxin Peng , Jiahuan Zhou

Naturalistic driving action recognition is essential for vehicle cabin monitoring systems. However, the complexity of real-world backgrounds presents significant challenges for this task, and previous approaches have struggled with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Qing Chang , Wei Dai , Zhihao Shuai , Limin Yu , Yutao Yue

Video semantic segmentation has achieved great progress under the supervision of large amounts of labelled training data. However, domain adaptive video segmentation, which can mitigate data labelling constraints by adapting from a labelled…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Yun Xing , Dayan Guan , Jiaxing Huang , Shijian Lu

Spatio-temporal video grounding aims to retrieve the spatio-temporal tube of a queried object according to the given sentence. Currently, most existing grounding methods are restricted to well-aligned segment-sentence pairs. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Zhu Zhang , Zhou Zhao , Zhijie Lin , Baoxing Huai , Nicholas Jing Yuan

High resolution satellite image sequences are multidimensional signals composed of spatio-temporal patterns associated to numerous and various phenomena. Bayesian methods have been previously proposed in (Heas and Datcu, 2005) to code the…

Computer Vision and Pattern Recognition · Computer Science 2007-09-20 Patrick Héas , Mihai Datcu

This paper studies the problem of learning semantic segmentation from image-level supervision only. Current popular solutions leverage object localization maps from classifiers as supervision signals, and struggle to make the localization…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Guolei Sun , Wenguan Wang , Jifeng Dai , Luc Van Gool

In visual place recognition (VPR), map segmentation (MS) is a preprocessing technique used to partition a given view-sequence map into place classes (i.e., map segments) so that each class has good place-specific training images for a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Tanaka Kanji

Spatio-Temporal predictive Learning is a self-supervised learning paradigm that enables models to identify spatial and temporal patterns by predicting future frames based on past frames. Traditional methods, which use recurrent neural…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Andrea Alfarano , Alberto Alfarano , Linda Friso , Andrea Bacciu , Irene Amerini , Fabrizio Silvestri

Pedestrian Attribute Recognition (PAR) has aroused extensive attention due to its important role in video surveillance scenarios. In most cases, the existence of a particular attribute is strongly related to a partial region. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2020-11-16 Jiajun Zhang , Pengyuan Ren , Jianmin Li

Knowledge Management is crucial for capturing and transferring expertise within universities, especially in high staff turnover contexts where expertise loss disrupts teaching. Documenting teachers' workflows is time-intensive and diverts…

Human-Computer Interaction · Computer Science 2025-08-07 Gloria Fernández-Nieto , Vanessa Echeverria , Yuheng Li , Yi-Shan Tsai , Lele Sha , Guanliang Chen , Dragan Gasevic , Zachari Swiecki

Deformable image registration establishes non-linear spatial correspondences between fixed and moving images. Deep learning-based deformable registration methods have been widely studied in recent years due to their speed advantage over…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yihao Liu , Junyu Chen , Lianrui Zuo , Aaron Carass , Jerry L. Prince

This paper proposes a method for performing continual learning of predictive models that facilitate the inference of future frames in video sequences. For a first given experience, an initial Variational Autoencoder, together with a set of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Damian Campo , Giulia Slavic , Mohamad Baydoun , Lucio Marcenaro , Carlo Regazzoni

Visual localization is the task of estimating camera pose in a known scene, which is an essential problem in robotics and computer vision. However, long-term visual localization is still a challenge due to the environmental appearance…

Robotics · Computer Science 2022-12-02 Yuxuan Chen , Timothy D. Barfoot

Pedestrian classifiers decide which image windows contain a pedestrian. In practice, such classifiers provide a relatively high response at neighbor windows overlapping a pedestrian, while the responses around potential false positives are…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Alejandro González , Sebastian Ramos , David Vázquez , Antonio M. López , Jaume Amores

Temporal modeling and spatio-temporal collaboration are pivotal techniques for video-based human pose estimation. Most state-of-the-art methods adopt optical flow or temporal difference, learning local visual content correspondence across…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Runyang Feng , Haoming Chen

Tracking and segmenting multiple similar objects with distinct or complex parts in long-term videos is particularly challenging due to the ambiguity in identifying target components and the confusion caused by occlusion, background clutter,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xin Li , Deshui Miao , Zhenyu He , Yaowei Wang , Huchuan Lu , Ming-Hsuan Yang
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