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Detecting actions in videos, particularly within cluttered scenes, poses significant challenges due to the limitations of 2D frame analysis from a camera perspective. Unlike human vision, which benefits from 3D understanding, recognizing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Sadegh Rahmaniboldaji , Filip Rybansky , Quoc Vuong , Frank Guerin , Andrew Gilbert

Depth sensing is crucial for 3D reconstruction and scene understanding. Active depth sensors provide dense metric measurements, but often suffer from limitations such as restricted operating ranges, low spatial resolution, sensor…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Chao Liu , Jinwei Gu , Kihwan Kim , Srinivasa Narasimhan , Jan Kautz

Increasing attention to the research on activity monitoring in smart homes has motivated the employment of ambient intelligence to reduce the deployment cost and solve the privacy issue. Several approaches have been proposed for…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Son N. Tran , Qing Zhang , Mohan Karunanithi

Most of the existing recommender systems assume that user's visiting history can be constantly recorded. However, in recent online services, the user identification may be usually unknown and only limited online user behaviors can be used.…

Information Retrieval · Computer Science 2017-12-29 Chen Wu , Ming Yan , Luo Si

This research aims to improve dietetic-nutritional treatment using state-of-the-art RGB-D sensors and virtual reality (VR) technology. Recent studies show that adherence to treatment can be improved using multimedia technologies. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Andrés Fuster-Guilló , Jorge Azorín-López , Marcelo Saval-Calvo , Juan Miguel Castillo-Zaragoza , Nahuel Garcia-DUrso , Robert B Fisher

A computer vision system using low-resolution image sensors can provide intelligent services (e.g., activity recognition) but preserve unnecessary visual privacy information from the hardware level. However, preserving visual privacy and…

Human-Computer Interaction · Computer Science 2023-03-21 Yuntao Wang , Zirui Cheng , Xin Yi , Yan Kong , Xueyang Wang , Xuhai Xu , Yukang Yan , Chun Yu , Shwetak Patel , Yuanchun Shi

E-commerce web applications are almost ubiquitous in our day to day life, however as useful as they are, most of them have little to no adaptation to user needs, which in turn can cause both lower conversion rates as well as unsatisfied…

Information Retrieval · Computer Science 2019-05-30 Mihai Cristian Pîrvu , Alexandra Anghel

Real-time simultaneous tracking of hands manipulating and interacting with external objects has many potential applications in augmented reality, tangible computing, and wearable computing. However, due to difficult occlusions, fast…

Computer Vision and Pattern Recognition · Computer Science 2016-10-18 Srinath Sridhar , Franziska Mueller , Michael Zollhöfer , Dan Casas , Antti Oulasvirta , Christian Theobalt

This paper proposes a visual-servoing method dedicated to grasping of daily-life objects. In order to obtain an affordable solution, we use a low-accurate robotic arm. Our method corrects errors by using an RGB-D sensor. It is based on SURF…

Robotics · Computer Science 2016-12-13 Ludovic Hofer , Michio Tanaka , Hakaru Tamukoh , Amir Ali Forough Nassiraei , Takashi Morie

In this paper, we present RKD-SLAM, a robust keyframe-based dense SLAM approach for an RGB-D camera that can robustly handle fast motion and dense loop closure, and run without time limitation in a moderate size scene. It not only can be…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Haomin Liu , Chen Li , Guojun Chen , Guofeng Zhang , Michael Kaess , Hujun Bao

Shopping is a routine activity for sighted individuals, yet for people who are blind or have low vision (pBLV), locating and retrieving products in physical environments remains a challenge. This paper presents a multimodal wearable…

Human-Computer Interaction · Computer Science 2026-01-21 Ligao Ruan , Giles Hamilton-Fletcher , Mahya Beheshti , Todd E Hudson , Maurizio Porfiri , John-Ross Rizzo

In the Smart Grid environment, the advent of intelligent measuring devices facilitates monitoring appliance electricity consumption. This data can be used in applying Demand Response (DR) in residential houses through data analytics, and…

Signal Processing · Electrical Eng. & Systems 2020-08-10 Abdelkareem Jaradat , Hanan Lutfiyya , Anwar Haque

Group activity detection in multi-person scenes is challenging due to complex human interactions, occlusions, and variations in appearance over time. This work presents a computer vision based framework for group activity recognition and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Narthana Sivalingam , Santhirarajah Sivasthigan , Thamayanthi Mahendranathan , G. M. R. I. Godaliyadda , M. P. B. Ekanayake , H. M. V. R. Herath

Hand motion capture is a popular research field, recently gaining more attention due to the ubiquity of RGB-D sensors. However, even most recent approaches focus on the case of a single isolated hand. In this work, we focus on hands that…

Computer Vision and Pattern Recognition · Computer Science 2016-03-29 Dimitrios Tzionas , Luca Ballan , Abhilash Srikantha , Pablo Aponte , Marc Pollefeys , Juergen Gall

This paper introduces a novel weighted unsupervised learning for object detection using an RGB-D camera. This technique is feasible for detecting the moving objects in the noisy environments that are captured by an RGB-D camera. The main…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Kamran Kowsari , Manal H. Alassaf

In robot vision, thermal cameras hold great potential for recognizing humans even in complete darkness. However, their application to multi-person tracking (MPT) has been limited due to data scarcity and the inherent difficulty of…

Human activity recognition has grown in popularity with its increase of applications within daily lifestyles and medical environments. The goal of having efficient and reliable human activity recognition brings benefits such as accessible…

Machine Learning · Computer Science 2022-01-24 Rushit Dave , Naeem Seliya , Mounika Vanamala , Wei Tee

The goal of visual analytics is to create a symbiosis between human and computer by leveraging their unique strengths. While this model has demonstrated immense success, we are yet to realize the full potential of such a human-computer…

Human-Computer Interaction · Computer Science 2018-09-27 Ran Wan , Roman Garnett , Alvitta Ottley

Driver inattention assessment has become a very active field in intelligent transportation systems. Based on active sensor Kinect and computer vision tools, we have built an efficient module for detecting driver distraction and recognizing…

Computer Vision and Pattern Recognition · Computer Science 2015-02-03 Céline Craye , Fakhri Karray

"Looking for things" is a mundane but critical task we repeatedly carry on in our daily life. We introduce a method to develop a human character capable of searching for a randomly located target object in a detailed 3D scene using its…

Robotics · Computer Science 2021-09-16 Maks Sorokin , Wenhao Yu , Sehoon Ha , C. Karen Liu