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Typical video classification methods often divide a video into short clips, do inference on each clip independently, then aggregate the clip-level predictions to generate the video-level results. However, processing visually similar clips…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Linchao Zhu , Laura Sevilla-Lara , Du Tran , Matt Feiszli , Yi Yang , Heng Wang

Scene flow depicts the dynamics of a 3D scene, which is critical for various applications such as autonomous driving, robot navigation, AR/VR, etc. Conventionally, scene flow is estimated from dense/regular RGB video frames. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Haiyan Wang , Jiahao Pang , Muhammad A. Lodhi , Yingli Tian , Dong Tian

With the emergence of GAN, face forgery technologies have been heavily abused. Achieving accurate face forgery detection is imminent. Inspired by remote photoplethysmography (rPPG) that PPG signal corresponds to the periodic change of skin…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Jiahao Liang , Weihong Deng

In response to the ongoing COVID-19 pandemic, we present a robust deep learning pipeline that is capable of identifying correct and incorrect mask-wearing from real-time video streams. To accomplish this goal, we devised two separate…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Yuchen Ding , Zichen Li , David Yastremsky

Deep learning approaches have achieved highly accurate face recognition by training the models with very large face image datasets. Unlike the availability of large 2D face image datasets, there is a lack of large 3D face datasets available…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Meng-Tzu Chiu , Hsun-Ying Cheng , Chien-Yi Wang , Shang-Hong Lai

This paper presents a novel masked attention-based 3D Gaussian Splatting (3DGS) approach to enhance robotic perception and object detection in industrial and smart factory environments. U2-Net is employed for background removal to isolate…

Graphics · Computer Science 2025-03-26 Jee Won Lee , Hansol Lim , SooYeun Yang , Jongseong Brad Choi

Online zero-shot 3D instance segmentation of a progressively reconstructed scene is both a critical and challenging task for embodied applications. With the success of visual foundation models (VFMs) in the image domain, leveraging 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yijie Tang , Jiazhao Zhang , Yuqing Lan , Yulan Guo , Dezun Dong , Chenyang Zhu , Kai Xu

A master face is a face image that passes face-based identity authentication for a high percentage of the population. These faces can be used to impersonate, with a high probability of success, any user, without having access to any user…

Cryptography and Security · Computer Science 2022-11-29 Tomer Friedlander , Ron Shmelkin , Lior Wolf

Early detection of anxiety is crucial for reducing the suffering of individuals with mental disorders and improving treatment outcomes. Utilizing an mHealth platform for anxiety screening can be particularly practical in improving screening…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Haimiao Mo , Yuchen Li , Shanlin Yang , Wei Zhang , Shuai Ding

Deepfake videos are causing growing concerns among communities due to their ever-increasing realism. Naturally, automated detection of forged Deepfake videos is attracting a proportional amount of interest of researchers. Current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Yunzhuo Chen , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian

Remote sensing images often suffer from substantial data loss due to factors such as thick cloud cover and sensor limitations. Existing methods for imputing missing values in remote sensing images fail to fully exploit spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Zaiyan Zhang , Jining Yan , Yuanqi Liang , Jiaxin Feng , Haixu He , Li Cao

Camouflaged object detection (COD) presents a persistent challenge in accurately identifying objects that seamlessly blend into their surroundings. However, most existing COD models overlook the fact that visual systems operate within a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-12 Xinran Liua , Lin Qia , Yuxuan Songa , Qi Wen

Face presentation attacks (PA), also known as spoofing attacks, pose a substantial threat to biometric systems that rely on facial recognition systems, such as access control systems, mobile payments, and identity verification systems. To…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Usman Muhammad , Md Ziaul Hoque , Mourad Oussalah , Jorma Laaksonen

Detecting manipulated media has now become a pressing issue with the recent rise of deepfakes. Most existing approaches fail to generalize across diverse datasets and generation techniques. We thus propose a novel ensemble framework,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Vrushank Ahire , Aniruddh Muley , Shivam Zample , Siddharth Verma , Pranav Menon , Surbhi Madan , Abhinav Dhall

There has been growing interest in facial video-based remote photoplethysmography (rPPG) measurement recently, with a focus on assessing various vital signs such as heart rate and heart rate variability. Despite previous efforts on static…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Pengfei Zhao , Qigong Sun , Xiaolin Tian , Yige Yang , Shuo Tao , Jie Cheng , Jiantong Chen

While 3D Multi-modal Large Language Models (MLLMs) demonstrate remarkable scene understanding capabilities, their practical deployment faces critical challenges due to computational inefficiency. The key bottleneck stems from processing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Wencan Huang , Daizong Liu , Wei Hu

Nowadays, the adoption of face recognition for biometric authentication systems is usual, mainly because this is one of the most accessible biometric modalities. Techniques that rely on trespassing these kind of systems by using a forged…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Rodrigo Bresan , Allan Pinto , Anderson Rocha , Carlos Beluzo , Tiago Carvalho

Temporal sentence grounding aims to localize a target segment in an untrimmed video semantically according to a given sentence query. Most previous works focus on learning frame-level features of each whole frame in the entire video, and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Daizong Liu , Xiang Fang , Wei Hu , Pan Zhou

Face anti-spoofing (FAS) is crucial for securing face recognition systems. However, existing FAS methods with handcrafted binary or pixel-wise labels have limitations due to diverse presentation attacks (PAs). In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Weihua Liu , Chaochao Lin , Yu Yan

Deep-fake videos, generated through AI face-swapping techniques, have gained significant attention due to their potential for impactful impersonation attacks. While most research focuses on real vs. fake detection, attributing a deep-fake…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Wasim Ahmad , Yan-Tsung Peng , Yuan-Hao Chang , Gaddisa Olani Ganfure , Sarwar Khan