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In this paper, we propose to improve the traditional use of RNNs by employing a many to many model for video classification. We analyze the importance of modeling spatial layout and temporal encoding for daily living action recognition.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Srijan Das , Michal Koperski , Francois Bremond , Gianpiero Francesca

Video object segmentation, i.e., the separation of a target object from background in video, has made significant progress on real and challenging videos in recent years. To leverage this progress in 3D applications, this paper addresses…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Brent A. Griffin , Jason J. Corso

Active depth cameras suffer from several limitations, which cause incomplete and noisy depth maps, and may consequently affect the performance of RGB-D Odometry. To address this issue, this paper presents a visual odometry method based on…

Robotics · Computer Science 2017-08-10 Pedro F. Proença , Yang Gao

Human actions recognition is a fundamental task in artificial vision, that has earned a great importance in recent years due to its multiple applications in different areas. %, such as the study of human behavior, security or video…

We present an algorithm to estimate depth in dynamic video scenes. We propose to learn and infer depth in videos from appearance, motion, occlusion boundaries, and geometric context of the scene. Using our method, depth can be estimated…

Computer Vision and Pattern Recognition · Computer Science 2015-10-27 S. Hussain Raza , Omar Javed , Aveek Das , Harpreet Sawhney , Hui Cheng , Irfan Essa

Visual odometry is the process of estimating the position and orientation of a camera by analyzing the images associated to it. This paper develops a quick and accurate approach to visual odometry of a moving RGB-D camera navigating on a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Afonso Fontes , Jose Everardo Bessa Maia

Human action recognition remains an important yet challenging task. This work proposes a novel action recognition system. It uses a novel Multiple View Region Adaptive Multi-resolution in time Depth Motion Map (MV-RAMDMM) formulation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Mahmoud Al-Faris , John P. Chiverton , Yanyan Yang , David L. Ndzi

Recent advances in scene understanding benefit a lot from depth maps because of the 3D geometry information, especially in complex conditions (e.g., low light and overexposed). Existing approaches encode depth maps along with RGB images and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Bo-Wen Yin , Jiao-Long Cao , Ming-Ming Cheng , Qibin Hou

This paper addresses the problem of learning to estimate the depth of detected objects given some measurement of camera motion (e.g., from robot kinematics or vehicle odometry). We achieve this by 1) designing a recurrent neural network…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Brent A. Griffin , Jason J. Corso

We present a comparative evaluation of various techniques for action recognition while keeping as many variables as possible controlled. We employ two categories of Riemannian manifolds: symmetric positive definite matrices and linear…

Computer Vision and Pattern Recognition · Computer Science 2016-10-05 Johanna Carvajal , Arnold Wiliem , Chris McCool , Brian Lovell , Conrad Sanderson

Action recognition has attracted increasing attention from RGB input in computer vision partially due to potential applications on somatic simulation and statistics of sport such as virtual tennis game and tennis techniques and tactics…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Jiaxin Cai , Xin Tang

In video-based action recognition, viewpoint variations often pose major challenges because the same actions can appear different from different views. We use the complementary RGB and Depth information from the RGB-D cameras to address…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Jian Liu , Naveed Akhtar , Ajmal Mian

Automatic detection of individual intake gestures during eating occasions has the potential to improve dietary monitoring and support dietary recommendations. Existing studies typically make use of on-body solutions such as inertial and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Philipp V. Rouast , Marc T. P. Adam

In this paper, a novel encoding scheme combining Fisher vector and bag-of-words encodings has been proposed for recognizing action in videos. The proposed Hyper-Fisher vector encoding is sum of local Fisher vectors which are computed based…

Computer Vision and Pattern Recognition · Computer Science 2015-09-29 Sanath Narayan , Kalpathi R. Ramakrishnan

Accurate depth estimation remains an open problem for robotic manipulation; even state of the art techniques including structured light and LiDAR sensors fail on reflective or transparent surfaces. We address this problem by training a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Ben Goodrich , Alex Kuefler , William D. Richards

In past few years we have observed an increase in the usage of RGBD sensors in mobile devices. These sensors provide a good estimate of the depth map for the camera frame, which can be used in numerous augmented reality applications. This…

Robotics · Computer Science 2021-10-22 Abhishek Tyagi , Yangwen Liang , Shuangquan Wang , Dongwoon Bai

Augmenting RGB data with measured depth has been shown to improve the performance of a range of tasks in computer vision including object detection and semantic segmentation. Although depth sensors such as the Microsoft Kinect have…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Yuanzhouhan Cao , Chunhua Shen , Heng Tao Shen

As research on action recognition matures, the focus is shifting away from categorizing basic task-oriented actions using hand-segmented video datasets to understanding complex goal-oriented daily human activities in real-world settings.…

Computer Vision and Pattern Recognition · Computer Science 2016-03-18 Hilde Kuehne , Juergen Gall , Thomas Serre

Detection of moving objects is an essential capability in dealing with dynamic environments. Most moving object detection algorithms have been designed for color images without depth. For robotic navigation where real-time RGB-D data is…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Haram Kim , Pyojin Kim , H. Jin Kim

Monitoring the movement and actions of humans in video in real-time is an important task. We present a deep learning based algorithm for human action recognition for both RGB and thermal cameras. It is able to detect and track humans and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Hannes Fassold , Karlheinz Gutjahr , Anna Weber , Roland Perko