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In this paper we propose a real-time, calibration-agnostic and effective localization system for self-driving cars. Our method learns to embed the online LiDAR sweeps and intensity map into a joint deep embedding space. Localization is then…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Ioan Andrei Bârsan , Shenlong Wang , Andrei Pokrovsky , Raquel Urtasun

Deep supervised models have an unprecedented capacity to absorb large quantities of training data. Hence, training on multiple datasets becomes a method of choice towards strong generalization in usual scenes and graceful performance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Petra Bevandić , Marin Oršić , Ivan Grubišić , Josip Šarić , Siniša Šegvić

In this paper, we address the problem of spatio-temporal person retrieval from multiple videos using a natural language query, in which we output a tube (i.e., a sequence of bounding boxes) which encloses the person described by the query.…

Computer Vision and Pattern Recognition · Computer Science 2017-08-24 Masataka Yamaguchi , Kuniaki Saito , Yoshitaka Ushiku , Tatsuya Harada

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

Noise pollution significantly affects our daily life and urban development. Urban Sound Tagging (UST) has attracted much attention recently, which aims to analyze and monitor urban noise pollution. One weakness of the previous UST studies…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-22 Jisheng Bai , Jianfeng Chen , Mou Wang

Automatic people counting from images has recently drawn attention for urban monitoring in modern Smart Cities due to the ubiquity of surveillance camera networks. Current computer vision techniques rely on deep learning-based algorithms…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Marco Avvenuti , Marco Bongiovanni , Luca Ciampi , Fabrizio Falchi , Claudio Gennaro , Nicola Messina

We address the problem of unsupervised semantic segmentation of outdoor LiDAR point clouds in diverse traffic scenarios. The key idea is to leverage the spatiotemporal nature of a dynamic point cloud sequence and introduce drastically…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Xiao Li , Pan He , Aotian Wu , Sanjay Ranka , Anand Rangarajan

Humans are able to localize objects in the environment using both visual and auditory cues, integrating information from multiple modalities into a common reference frame. We introduce a system that can leverage unlabeled audio-visual data…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Chuang Gan , Hang Zhao , Peihao Chen , David Cox , Antonio Torralba

Understanding human motion is crucial for accurate pedestrian trajectory prediction. Conventional methods typically rely on supervised learning, where ground-truth labels are directly optimized against predicted trajectories. This amplifies…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yizhou Huang , Yihua Cheng , Kezhi Wang

During the process of driving, humans usually rely on multiple senses to gather information and make decisions. Analogously, in order to achieve embodied intelligence in autonomous driving, it is essential to integrate multidimensional…

In the field of autonomous driving, end-to-end deep learning models show great potential by learning driving decisions directly from sensor data. However, training these models requires large amounts of labeled data, which is time-consuming…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Wenhao Jiang , Duo Li , Menghan Hu , Chao Ma , Ke Wang , Zhipeng Zhang

Spatio-temporal action detection (STAD) aims to classify the actions present in a video and localize them in space and time. It has become a particularly active area of research in computer vision because of its explosively emerging…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Peng Wang , Fanwei Zeng , Yuntao Qian

When sensors collect spatio-temporal data in a large geographical area, the existence of missing data cannot be escaped. Missing data negatively impacts the performance of data analysis and machine learning algorithms. In this paper, we…

Machine Learning · Computer Science 2019-04-30 Reza Asadi , Amelia Regan

This research explores the integration of language embeddings for active learning in autonomous driving datasets, with a focus on novelty detection. Novelty arises from unexpected scenarios that autonomous vehicles struggle to navigate,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Ross Greer , Mohan Trivedi

A truly capable AI system must do more than detect objects or recognize activities in isolation. It must form unified, grounded representations of who is acting, what they are doing, and when and where these actions unfold. These…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Tanveer Hannan , Shuaicong Wu , Mark Weber , Suprosanna Shit , Jindong Gu , Rajat Koner , Aljoša Ošep , Laura Leal-Taixé , Thomas Seidl

Scene understanding is paramount in robotics, self-navigation, augmented reality, and many other fields. To fully accomplish this task, an autonomous agent has to infer the 3D structure of the sensed scene (to know where it looks at) and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-26 Pier Luigi Dovesi , Matteo Poggi , Lorenzo Andraghetti , Miquel Martí , Hedvig Kjellström , Alessandro Pieropan , Stefano Mattoccia

In this paper, we address the problem of inferring the layout of complex road scenes from video sequences. To this end, we formulate it as a top-view road attributes prediction problem and our goal is to predict these attributes for each…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Buyu Liu , Bingbing Zhuang , Samuel Schulter , Pan Ji , Manmohan Chandraker

Accurate metric depth is critical for autonomous driving perception and simulation, yet current approaches struggle to achieve high metric accuracy, multi-view and temporal consistency, and cross-domain generalization. To address these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Qihao Sun , Jiarun Liu , Ziqian Ni , Jianyun Xu , Tao Xie , Lijun Zhao , Ruifeng Li , Sheng Yang

Texts from scene images typically consist of several characters and exhibit a characteristic sequence structure. Existing methods capture the structure with the sequence-to-sequence models by an encoder to have the visual representations…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Xiangcheng Du , Tianlong Ma , Yingbin Zheng , Hao Ye , Xingjiao Wu , Liang He

Traffic management in a city has become a major problem due to the increasing number of vehicles on roads. Intelligent Transportation System (ITS) can help the city traffic managers to tackle the problem by providing accurate traffic…

Machine Learning · Computer Science 2021-11-04 Shatrughan Modi , Jhilik Bhattacharya , Prasenjit Basak
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