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Salient object detection in complex scenes and environments is a challenging research topic. Most works focus on RGB-based salient object detection, which limits its performance of real-life applications when confronted with adverse…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Zhengzheng Tu , Yan Ma , Zhun Li , Chenglong Li , Jieming Xu , Yongtao Liu

Fake content has grown at an incredible rate over the past few years. The spread of social media and online platforms makes their dissemination on a large scale increasingly accessible by malicious actors. In parallel, due to the growing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Luca Maiano , Lorenzo Papa , Ketbjano Vocaj , Irene Amerini

We present an attention-based model that reasons on human body shape and motion dynamics to identify individuals in the absence of RGB information, hence in the dark. Our approach leverages unique 4D spatio-temporal signatures to address…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 Albert Haque , Alexandre Alahi , Li Fei-Fei

Human action recognition still exists many challenging problems such as different viewpoints, occlusion, lighting conditions, human body size and the speed of action execution, although it has been widely used in different areas. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Lei Wang

The recent pandemic emergency raised many challenges regarding the countermeasures aimed at containing the virus spread, and constraining the minimum distance between people resulted in one of the most effective strategies. Thus, the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Alessio Mingozzi , Andrea Conti , Filippo Aleotti , Matteo Poggi , Stefano Mattoccia

Existing RGB-D salient object detection methods treat depth information as an independent component to complement its RGB part, and widely follow the bi-stream parallel network architecture. To selectively fuse the CNNs features extracted…

Computer Vision and Pattern Recognition · Computer Science 2020-12-30 Xuehao Wang , Shuai Li , Chenglizhao Chen , Yuming Fang , Aimin Hao , Hong Qin

We present a mapping system capable of constructing detailed instance-level semantic models of room-sized indoor environments by means of an RGB-D camera. In this work, we integrate deep-learning-based instance segmentation and…

Robotics · Computer Science 2019-11-22 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

In this project, we propose a novel approach for estimating depth from RGB images. Traditionally, most work uses a single RGB image to estimate depth, which is inherently difficult and generally results in poor performance, even with…

Computer Vision and Pattern Recognition · Computer Science 2017-05-04 Eric Cristofalo , Zijian Wang

We propose the first approach to the problem of inferring the depth map of a human hand based on a single RGB image. We achieve this with a Convolutional Neural Network (CNN) that employs a stacked hourglass model as its main building…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Vassilis C. Nicodemou , Iason Oikonomidis , Georgios Tzimiropoulos , Antonis Argyros

Visual scene understanding is an important capability that enables robots to purposefully act in their environment. In this paper, we propose a novel approach to object-class segmentation from multiple RGB-D views using deep learning. We…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Lingni Ma , Jörg Stückler , Christian Kerl , Daniel Cremers

Automated monitoring and analysis of passenger movement in safety-critical parts of transport infrastructures represent a relevant visual surveillance task. Recent breakthroughs in visual representation learning and spatial sensing opened…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Marco Wallner , Daniel Steininger , Verena Widhalm , Matthias Schörghuber , Csaba Beleznai

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

Capturing the interactions between humans and their environment in 3D is important for many applications in robotics, graphics, and vision. Recent works to reconstruct the 3D human and object from a single RGB image do not have consistent…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Xianghui Xie , Bharat Lal Bhatnagar , Gerard Pons-Moll

Purpose: The objective of this investigation is to provide a comprehensive analysis of state-of-the-art methods for video-based assessment of surgical skill in the operating room. Methods: Using a data set of 99 videos of capsulorhexis, a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Sanchit Hira , Digvijay Singh , Tae Soo Kim , Shobhit Gupta , Gregory Hager , Shameema Sikder , S. Swaroop Vedula

In recent years, coordinate-based neural implicit representations have shown promising results for the task of Simultaneous Localization and Mapping (SLAM). While achieving impressive performance on small synthetic scenes, these methods…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Kunyi Li , Michael Niemeyer , Nassir Navab , Federico Tombari

Recognition accuracy and response time are both critically essential ahead of building practical electroencephalography (EEG) based brain-computer interface (BCI). Recent approaches, however, have either compromised in the classification…

Signal Processing · Electrical Eng. & Systems 2021-12-03 Yimin Hou , Shuyue Jia , Xiangmin Lun , Shu Zhang , Tao Chen , Fang Wang , Jinglei Lv

Recognizing human actions in untrimmed videos is an important challenging task. An effective 3D motion representation and a powerful learning model are two key factors influencing recognition performance. In this paper we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Action recognition greatly benefits motion understanding in video analysis. Recurrent networks such as long short-term memory (LSTM) networks are a popular choice for motion-aware sequence learning tasks. Recently, a convolutional extension…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Sebastian Agethen , Winston H. Hsu

The computer vision community is currently focusing on solving action recognition problems in real videos, which contain thousands of samples with many challenges. In this process, Deep Convolutional Neural Networks (D-CNNs) have played a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Dynamic environments are challenging for visual SLAM since the moving objects occlude the static environment features and lead to wrong camera motion estimation. In this paper, we present a novel dense RGB-D SLAM solution that…

Robotics · Computer Science 2020-03-12 Tianwei Zhang , Huayan Zhang , Yang Li , Yoshihiko Nakamura , Lei Zhang