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In this study, we explored the potential of utilizing Facial Expression Activations (FEAs) captured via the Meta Quest Pro Virtual Reality (VR) headset for Facial Expression Recognition (FER) in VR settings. Leveraging the EmojiHeroVR…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Thorben Ortmann , Qi Wang , Larissa Putzar

Micro-expressions (MEs) are brief, involuntary facial movements that reveal genuine emotions, typically lasting less than half a second. Recognizing these subtle expressions is critical for applications in psychology, security, and…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Vu Tram Anh Khuong , Luu Tu Nguyen , Thanh Ha Le , Thi Duyen Ngo

In the last decade, exponential data growth supplied machine learning-based algorithms' capacity and enabled their usage in daily-life activities. Additionally, such an improvement is partially explained due to the advent of deep learning…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Mateus Roder , Jurandy Almeida , Gustavo H. de Rosa , Leandro A. Passos , André L. D. Rossi , João P. Papa

Egocentric gesture recognition is a pivotal technology for enhancing natural human-computer interaction, yet traditional RGB-based solutions suffer from motion blur and illumination variations in dynamic scenarios. While event cameras show…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Luming Wang , Hao Shi , Xiaoting Yin , Kailun Yang , Kaiwei Wang , Jian Bai

Knowledge transfer across sensing technology is a novel concept that has been recently explored in many application domains, including gesture-based human computer interaction. The main aim is to gather semantic or data driven information…

计算机视觉与模式识别 · 计算机科学 2023-06-28 Payal Kamboj , Ayan Banerjee , Sandeep K. S. Gupta

We present an audio-driven real-time system for animating photorealistic 3D facial avatars with minimal latency, designed for social interactions in virtual reality for anyone. Central to our approach is an encoder model that transforms…

图形学 · 计算机科学 2025-11-04 Jiye Lee , Chenghui Li , Linh Tran , Shih-En Wei , Jason Saragih , Alexander Richard , Hanbyul Joo , Shaojie Bai

Event-based cameras are dynamic vision sensors that provide asynchronous measurements of changes in per-pixel brightness at a microsecond level. This makes them significantly faster than conventional frame-based cameras, and an appealing…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Sai Vemprala , Sami Mian , Ashish Kapoor

Event-stream representation is the first step for many computer vision tasks using event cameras. It converts the asynchronous event-streams into a formatted structure so that conventional machine learning models can be applied easily.…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Qiang Qu , Xiaoming Chen , Yuk Ying Chung , Yiran Shen

Deep convolutional neural networks have been shown to successfully recognize facial emotions for the past years in the realm of computer vision. However, the existing detection approaches are not always reliable or explainable, we here…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Jiawen Wang , Leah Kawka

Facial expressions are an integral part of human cognition and communication, and can be applied in various real life applications. A vital precursor to accurate expression recognition is feature extraction. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2020-05-27 Rahul Islam , Karan Ahuja , Sandip Karmakar , Ferdous Barbhuiya

Forecasting a typical object's future motion is a critical task for interpreting and interacting with dynamic environments in computer vision. Event-based sensors, which could capture changes in the scene with exceptional temporal…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Song Wu , Zhiyu Zhu , Junhui Hou , Guangming Shi , Jinjian Wu

Speech Emotion Recognition is a crucial area of research in human-computer interaction. While significant work has been done in this field, many state-of-the-art networks struggle to accurately recognize emotions in speech when the data is…

音频与语音处理 · 电气工程与系统科学 2025-01-23 Rashedul Hasan , Meher Nigar , Nursadul Mamun , Sayan Paul

3D visual perception tasks, including 3D detection and map segmentation based on multi-camera images, are essential for autonomous driving systems. In this work, we present a new framework termed BEVFormer, which learns unified BEV…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Zhiqi Li , Wenhai Wang , Hongyang Li , Enze Xie , Chonghao Sima , Tong Lu , Qiao Yu , Jifeng Dai

Convolutional neural networks have made significant progresses in edge detection by progressively exploring the context and semantic features. However, local details are gradually suppressed with the enlarging of receptive fields. Recently,…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Mengyang Pu , Yaping Huang , Yuming Liu , Qingji Guan , Haibin Ling

The broad scope of obstacle avoidance has led to many kinds of computer vision-based approaches. Despite its popularity, it is not a solved problem. Traditional computer vision techniques using cameras and depth sensors often focus on…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Celyn Walters , Simon Hadfield

We propose a deep metric learning model to create embedded sub-spaces with a well defined structure. A new loss function that imposes Gaussian structures on the output space is introduced to create these sub-spaces thus shaping the…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Pedro D. Marrero Fernandez , Tsang Ing Ren , Tsang Ing Jyh , Fidel A. Guerrero Peña , Alexandre Cunha

Deriving an effective facial expression recognition component is important for a successful human-computer interaction system. Nonetheless, recognizing facial expression remains a challenging task. This paper describes a novel approach…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Mundher Al-Shabi , Wooi Ping Cheah , Tee Connie

Facial expressions are one of the most powerful ways for depicting specific patterns in human behavior and describing human emotional state. Despite the impressive advances of affective computing over the last decade, automatic video-based…

计算机视觉与模式识别 · 计算机科学 2021-01-18 Thomas Teixeira , Eric Granger , Alessandro Lameiras Koerich

Recently, the recognition task of spontaneous facial micro-expressions has attracted much attention with its various real-world applications. Plenty of handcrafted or learned features have been employed for a variety of classifiers and…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Zhaoqiang Xia , Xiaopeng Hong , Xingyu Gao , Xiaoyi Feng , Guoying Zhao

Event cameras offer significant advantages over conventional frame-based counterparts, including high temporal resolution, low latency, and energy efficiency. These characteristics make them suitable for high-speed and high-dynamic range…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Ramna Maqsood , Paulo Nunes , Luís Ducla Soares , Caroline Conti