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30 Results Found

  • Article
  • Open Access
14 Citations
3,947 Views
15 Pages

KNN-Based Machine Learning Classifier Used on Deep Learned Spatial Motion Features for Human Action Recognition

  • Kalaivani Paramasivam,
  • Mohamed Mansoor Roomi Sindha and
  • Sathya Bama Balakrishnan

25 May 2023

Human action recognition is an essential process in surveillance video analysis, which is used to understand the behavior of people to ensure safety. Most of the existing methods for HAR use computationally heavy networks such as 3D CNN and two-strea...

  • Article
  • Open Access
2,919 Views
19 Pages

Asymmetrical Pseudo-Extinction Phenomenon in the Illusory Line Motion

  • Vidheya G. Del Vicario,
  • Rossana Actis-Grosso,
  • Nadia Bolognini and
  • Roberta Daini

7 August 2020

Illusory Line Motion (i.e., a static line, presented after a lateral cue, is perceived as movement in the opposite direction to the cue) has been used to study a phenomenon of perceptual asymmetry. We have demonstrated the presence of an illusion of...

  • Review
  • Open Access
4,899 Views
18 Pages

Depth Perception Based on the Interaction of Binocular Disparity and Motion Parallax Cues in Three-Dimensional Space

  • Shuai Li,
  • Shufang He,
  • Yuanrui Dong,
  • Caihong Dai,
  • Jinyuan Liu,
  • Yanfei Wang and
  • Hiroaki Shigemasu

17 May 2025

Background and Objectives: Depth perception of the human visual system in three-dimensional (3D) space plays an important role in human–computer interaction and artificial intelligence (AI) areas. It mainly employs binocular disparity and motion para...

  • Article
  • Open Access
1 Citations
1,212 Views
14 Pages

26 May 2024

Animals detect targets using a variety of visual cues, with the visual salience of these cues determining which environmental features receive priority attention and further processing. Surround modulation plays a crucial role in generating visual sa...

  • Article
  • Open Access
3 Citations
2,365 Views
13 Pages

Hand Motions Reveal Attentional Status and Subliminal Semantic Processing: A Mouse-Tracking Technique

  • Kunchen Xiao,
  • Anqi Zhang,
  • Jingke Qu,
  • Feifei Deng,
  • Chenyan Guo and
  • Takashi Yamauchi

31 August 2023

Theories of embodied cognition suggest that hand motions and cognition are closely interconnected. An emerging technique of tracking how participants move a computer mouse (i.e., the mouse-tracking technique) has shown advantages over the traditional...

  • Article
  • Open Access
1 Citations
887 Views
22 Pages

High-Order Temporal Context-Aware Aerial Tracking with Heterogeneous Visual Experts

  • Shichao Zhou,
  • Xiangpan Fan,
  • Zhuowei Wang,
  • Wenzheng Wang and
  • Yunpu Zhang

29 June 2025

Visual tracking from the unmanned aerial vehicle (UAV) perspective has been at the core of many low-altitude remote sensing applications. Most of the aerial trackers follow “tracking-by-detection” paradigms or their temporal-context-embed...

  • Article
  • Open Access
21 Citations
6,337 Views
14 Pages

Gait Study of Parkinson’s Disease Subjects Using Haptic Cues with A Motorized Walker

  • Minhua Zhang,
  • N. Sertac Artan,
  • Huanying Gu,
  • Ziqian Dong,
  • Lyudmila Burina Ganatra,
  • Suzanna Shermon and
  • Ely Rabin

19 October 2018

Gait abnormalities are one of the distinguishing symptoms of patients with Parkinson’s disease (PD) that contribute to fall risk. Our study compares the gait parameters of people with PD when they walk through a predefined course under differen...

  • Article
  • Open Access
992 Views
16 Pages

Motion Perception Simulation for Lunar Rover Driving Using the Spatial Orientation Observer Model

  • Wei Chen,
  • Fang Du,
  • Shao-Li Xie,
  • Ming An,
  • Hua Deng,
  • Wan-Hong Lin and
  • Jian-Gang Chao

Reduced gravity may impair motion perception accuracy, especially in the absence of visual cues, which could degrade astronauts’ driving performance. The lack of prior research makes simulating realistic motion perception for lunar rover drivin...

  • Review
  • Open Access
1 Citations
2,666 Views
18 Pages

21 June 2025

Self-motion perception is a complex multisensory process that relies on the integration of various sensory signals, particularly visual and vestibular inputs, to construct stable and unified perceptions. It is essential for spatial navigation and eff...

  • Article
  • Open Access
1 Citations
1,346 Views
24 Pages

26 August 2025

Infrared dim and small target detection aims to accurately localize targets within complex backgrounds or clutter. However, under extremely low signal-to-noise ratio (SNR) conditions, single-frame detection methods often fail to effectively detect su...

  • Article
  • Open Access
14 Citations
2,752 Views
21 Pages

Recognition of lying is a more complex cognitive process than truth-telling because of the presence of involuntary cognitive cues that are useful to lie recognition. Researchers have proposed different approaches in the literature to solve the proble...

  • Article
  • Open Access
1,206 Views
26 Pages

22 September 2025

Motion perception is a fundamental function of the tactile system, essential for object exploration and manipulation. While human studies have largely focused on discrete or pulsed stimuli with staggered onsets, many natural tactile signals are conti...

  • Article
  • Open Access
2,124 Views
22 Pages

19 January 2024

Looming motion interacts with threatening emotional cues in the initial stages of visual processing. However, the underlying neural networks are unclear. The current study investigated if the interactive effect of threat elicited by angry and looming...

  • Article
  • Open Access
10 Citations
2,394 Views
18 Pages

15 August 2023

Global and local biological motion processing are likely influenced by an observer’s perceptual experience. Skilled athletes anticipating an opponent’s movements use globally distributed motion information, while less skilled athletes foc...

  • Article
  • Open Access
4 Citations
4,739 Views
17 Pages

8 October 2019

Moving object segmentation is the most fundamental task for many vision-based applications. In the past decade, it has been performed on the stationary camera, or moving camera, respectively. In this paper, we show that the moving object segmentation...

  • Article
  • Open Access
58 Citations
11,303 Views
14 Pages

13 December 2013

Exposure to microgravity during spaceflight is known to elicit orientation illusions, errors in sensory localization, postural imbalance, changes in vestibulo-spinal and vestibulo-ocular reflexes, and space motion sickness. The objective of this expe...

  • Article
  • Open Access
24 Citations
4,380 Views
13 Pages

Contextual Action Cues from Camera Sensor for Multi-Stream Action Recognition

  • Jongkwang Hong,
  • Bora Cho,
  • Yong Won Hong and
  • Hyeran Byun

20 March 2019

In action recognition research, two primary types of information are appearance and motion information that is learned from RGB images through visual sensors. However, depending on the action characteristics, contextual information, such as the exist...

  • Article
  • Open Access
588 Views
13 Pages

7 October 2025

This study examines the performative, spatial, and affective dimensions of Marian devotion in two early modern women’s prayerbooks from Vorarlberg: the Valduna Prayerbook (Freiburg i. Br., UB Hs. 1500,30) and the Thalbach Prayerbook (Bregenz, V...

  • Article
  • Open Access
13 Citations
7,728 Views
13 Pages

Multimodal Interaction of Contextual and Non-Contextual Sound and Haptics in Virtual Simulations

  • Mohammed Melaisi,
  • David Rojas,
  • Bill Kapralos,
  • Alvaro Uribe-Quevedo and
  • Karen Collins

Touch plays a fundamental role in our daily interactions, allowing us to interact with and perceive objects and their spatial properties. Despite its importance in the real-world, touch is often ignored in virtual environments. However, accurately si...

  • Article
  • Open Access
1,409 Views
16 Pages

We propose MTC-BEV, a novel multi-modal 3D object detection framework for autonomous driving that achieves robust and efficient perception by combining spatial, temporal, and semantic cues. MTC-BEV integrates image and LiDAR features in the Bird&rsqu...

  • Article
  • Open Access
2 Citations
5,465 Views
11 Pages

As animals execute essential behaviors like foraging, they must orient with respect to the space around them, requiring some neural/behavioral mechanism for spatial navigation. One such navigation mechanism is path integration, whereby animals recall...

  • Article
  • Open Access
9 Citations
4,222 Views
16 Pages

Identification of Factors Affecting Predation Risk for Juvenile Turtles Using 3D Printed Models

  • Sasha J. Tetzlaff,
  • Alondra Estrada,
  • Brett A. DeGregorio and
  • Jinelle H. Sperry

11 February 2020

Although it is widely accepted that juvenile turtles experience high levels of predation, such events are rarely observed, providing limited evidence regarding predator identities and how juvenile habitat selection and availability of sensory cues to...

  • Article
  • Open Access
837 Views
18 Pages

27 May 2025

This study proposes an asynchronous brain–computer interface (BCI) framework based on steady-state motion visual evoked potentials (SSMVEPs), designed to enhance the accuracy and robustness of control state recognition. The method integrates fi...

  • Article
  • Open Access
15 Citations
4,086 Views
20 Pages

Learning Spatio-Temporal Attention Based Siamese Network for Tracking UAVs in the Wild

  • Junjie Chen,
  • Bo Huang,
  • Jianan Li,
  • Ying Wang,
  • Moxuan Ren and
  • Tingfa Xu

8 April 2022

The popularity of unmanned aerial vehicles (UAVs) has made anti-UAV technology increasingly urgent. Object tracking, especially in thermal infrared videos, offers a promising solution to counter UAV intrusion. However, troublesome issues such as fast...

  • Article
  • Open Access
3 Citations
3,306 Views
28 Pages

Measuring 3D Video Quality of Experience (QoE) Using A Hybrid Metric Based on Spatial Resolution and Depth Cues

  • Sahin Coskun,
  • Gokce Nur Yilmaz,
  • Federica Battisti,
  • Musaed Alhussein and
  • Saiful Islam

18 December 2023

A three-dimensional (3D) video is a special video representation with an artificial stereoscopic vision effect that increases the depth perception of the viewers. The quality of a 3D video is generally measured based on the similarity to stereoscopic...

  • Perspective
  • Open Access
3,759 Views
17 Pages

A Perspective on Quality Evaluation for AI-Generated Videos

  • Zhichao Zhang,
  • Wei Sun and
  • Guangtao Zhai

28 July 2025

Recent breakthroughs in AI-generated content (AIGC) have transformed video creation, empowering systems to translate text, images, or audio into visually compelling stories. Yet reliable evaluation of these machine-crafted videos remains elusive beca...

  • Article
  • Open Access
748 Views
22 Pages

Optimizing Helmet Use Detection in Construction Sites via Fuzzy Logic-Based State Tracking

  • Xiaoxiong Zhou,
  • Xuejun Jia,
  • Jian Bai,
  • Xiang Lv,
  • Xiaodong Lv and
  • Guangming Zhang

21 October 2025

Automated safety monitoring on construction sites requires precise helmet-status detection and robust multi-object tracking in long, occlusion-rich video sequences. This study proposes a two-stage framework: (i) a YOLOv5 model enhanced with self-adap...

  • Article
  • Open Access
124 Citations
9,223 Views
19 Pages

30 November 2020

Artificial intelligence, deep learning, and machine learning are dominant sources to use in order to make a system smarter. Nowadays, the smart speech emotion recognition (SER) system is a basic necessity and an emerging research area of digital audi...

  • Article
  • Open Access
541 Views
33 Pages

11 November 2025

Accurate identification of rear light signals in preceding vehicles is pivotal for Advanced Driver Assistance Systems (ADAS), enabling early detection of driver intentions and thereby improving road safety. In this work, we present a novel approach t...

  • Article
  • Open Access
348 Views
5 Pages

Recent technical developments and increased affordability of high-speed eye tracking devices have brought microsaccades to the forefront of research in many areas of sensory, perceptual, and cognitive processes. The present thematic issue on “Microsa...