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Related papers: Pedestrian Recognition with Radar Data-Enhanced De…

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Label assignment has been widely studied in general object detection because of its great impact on detectors' performance. However, none of these works focus on label assignment in dense pedestrian detection. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Zheng Ge , Jianfeng Wang , Xin Huang , Songtao Liu , Osamu Yoshie

Deep Metric Learning (DML), a widely-used technique, involves learning a distance metric between pairs of samples. DML uses deep neural architectures to learn semantic embeddings of the input, where the distance between similar examples is…

Machine Learning · Computer Science 2021-02-16 Thomas Kobber Panum , Zi Wang , Pengyu Kan , Earlence Fernandes , Somesh Jha

Overhead depth map measurements capture sufficient amount of information to enable human experts to track pedestrians accurately. However, fully automating this process using image analysis algorithms can be challenging. Even though…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Alessandro Corbetta , Vlado Menkovski , Federico Toschi

With the help of micro-Doppler signature, ultra-wideband (UWB) through-the-wall radar (TWR) enables the reconstruction of range and velocity information of limb nodes to accurately identify indoor human activities. However, existing methods…

Signal Processing · Electrical Eng. & Systems 2024-08-23 Xiaopeng Yang , Weicheng Gao , Xiaodong Qu , Zeyu Ma , Hao Zhang

With the prevalence of RGB-D cameras, multi-modal video data have become more available for human action recognition. One main challenge for this task lies in how to effectively leverage their complementary information. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sijie Song , Jiaying Liu , Yanghao Li , Zongming Guo

While supervised learning has achieved remarkable success, obtaining large-scale labeled datasets in biomedical imaging is often impractical due to high costs and the time-consuming annotations required from radiologists. Semi-supervised…

Image and Video Processing · Electrical Eng. & Systems 2024-01-19 Yuanbin Chen , Tao Wang , Hui Tang , Longxuan Zhao , Ruige Zong , Shun Chen , Tao Tan , Xinlin Zhang , Tong Tong

The cost of drawing object bounding boxes (i.e. labeling) for millions of images is prohibitively high. For instance, labeling pedestrians in a regular urban image could take 35 seconds on average. Active learning aims to reduce the cost of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hamed H. Aghdam , Abel Gonzalez-Garcia , Joost van de Weijer , Antonio M. López

We present a new deep learning approach for real-time 3D human action recognition from skeletal data and apply it to develop a vision-based intelligent surveillance system. Given a skeleton sequence, we propose to encode skeleton poses and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Huy Hieu Pham , Houssam Salmane , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A Velastin

We propose a network for semantic mapping called the Dense Dilated Convolutions Merging Network (DDCM-Net) to provide a deep learning approach that can recognize multi-scale and complex shaped objects with similar color and textures, such…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Qinghui Liu , Michael Kampffmeyer , Robert Jenssen , Arnt-Børre Salberg

Automotive radar systems have evolved to provide not only range, azimuth and Doppler velocity, but also elevation data. This additional dimension allows for the representation of 4D radar as a 3D point cloud. As a result, existing deep…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Alexander Musiat , Laurenz Reichardt , Michael Schulze , Oliver Wasenmüller

The gesture recognition using motion capture data and depth sensors has recently drawn more attention in vision recognition. Currently most systems only classify dataset with a couple of dozens different actions. Moreover, feature…

Computer Vision and Pattern Recognition · Computer Science 2014-09-02 Kyunghyun Cho , Xi Chen

Reliable anticipation of pedestrian trajectory is imperative for the operation of autonomous vehicles and can significantly enhance the functionality of advanced driver assistance systems. While significant progress has been made in the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Olly Styles , Arun Ross , Victor Sanchez

We propose novel dynamic multiscale graph neural networks (DMGNN) to predict 3D skeleton-based human motions. The core idea of DMGNN is to use a multiscale graph to comprehensively model the internal relations of a human body for motion…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Maosen Li , Siheng Chen , Yangheng Zhao , Ya Zhang , Yanfeng Wang , Qi Tian

Personal devices have adopted diverse authentication methods, including biometric recognition and passcodes. In contrast, headphones have limited input mechanisms, depending solely on the authentication of connected devices. We present…

Human-Computer Interaction · Computer Science 2024-02-14 Asaf Liberman , Oron Levy , Soroush Shahi , Cori Tymoszek Park , Mike Ralph , Richard Kang , Abdelkareem Bedri , Gierad Laput

Person re-identification (re-ID) under various occlusions has been a long-standing challenge as person images with different types of occlusions often suffer from misalignment in image matching and ranking. Most existing methods tackle this…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Mengxi Jia , Xinhua Cheng , Shijian Lu , Jian Zhang

Reliable pedestrian crash avoidance mitigation (PCAM) systems are crucial components of safe autonomous vehicles (AVs). The nature of the vehicle-pedestrian interaction where decisions of one agent directly affect the other agent's optimal…

Robotics · Computer Science 2022-07-26 Raphael Trumpp , Harald Bayerlein , David Gesbert

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

In recent years, the millimeter-wave radar to identify human behavior has been widely used in medical,security, and other fields. When multiple radars are performing detection tasks, the validity of the features contained in each radar is…

Signal Processing · Electrical Eng. & Systems 2022-06-07 Zhaolin Zhang , Mingqi Song , Wugang Meng , Yuhan Liu , Fengcong Li , Xiang Feng , Yinan Zhao

In this paper we study the use of convolutional neural networks (convnets) for the task of pedestrian detection. Despite their recent diverse successes, convnets historically underperform compared to other pedestrian detectors. We…

Computer Vision and Pattern Recognition · Computer Science 2015-01-26 Jan Hosang , Mohamed Omran , Rodrigo Benenson , Bernt Schiele

Recent work has shown impressive results on data-driven defocus deblurring using the two-image views available on modern dual-pixel (DP) sensors. One significant challenge in this line of research is access to DP data. Despite many cameras…

Image and Video Processing · Electrical Eng. & Systems 2021-08-18 Abdullah Abuolaim , Mauricio Delbracio , Damien Kelly , Michael S. Brown , Peyman Milanfar