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Automated deception detection (ADD) from real-life videos is a challenging task. It specifically needs to address two problems: (1) Both face and body contain useful cues regarding whether a subject is deceptive. How to effectively fuse the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Mingyu Ding , An Zhao , Zhiwu Lu , Tao Xiang , Ji-Rong Wen

With the rapid development of AI-generated content (AIGC) technology, the production of realistic fake facial images and videos that deceive human visual perception has become possible. Consequently, various face forgery detection…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Yijun Bei , Hengrui Lou , Jinsong Geng , Erteng Liu , Lechao Cheng , Jie Song , Mingli Song , Zunlei Feng

This paper presents an accurate method for verifying online signatures. The main difficulty of signature verification come from: (1) Lacking enough training samples (2) The methods must be spatial change invariant. To deal with these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Mohammad Hajizadeh Saffar , Mohsen Fayyaz , Mohammad Sabokrou , Mahmood Fathy

Morphing attacks keep threatening biometric systems, especially face recognition systems. Over time they have become simpler to perform and more realistic, as such, the usage of deep learning systems to detect these attacks has grown. At…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Eduarda Caldeira , Pedro C. Neto , Tiago Gonçalves , Naser Damer , Ana F. Sequeira , Jaime S. Cardoso

Extreme amodal detection is the task of inferring the 2D location of objects that are not fully visible in the input image but are visible within an expanded field-of-view. This differs from amodal detection, where the object is partially…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Changlin Song , Yunzhong Hou , Michael Randall Barnes , Rahul Shome , Dylan Campbell

In response to the COVID-19 pandemic, traditional physical classrooms have transitioned to online environments, necessitating effective strategies to ensure sustained student engagement. A significant challenge in online teaching is the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Rekha R Nair , Tina Babu , Pavithra K

Deep active learning aims to reduce the annotation cost for the training of deep models, which is notoriously data-hungry. Until recently, deep active learning methods were ineffectual in the low-budget regime, where only a small number of…

Machine Learning · Computer Science 2023-12-29 Ofer Yehuda , Avihu Dekel , Guy Hacohen , Daphna Weinshall

Streaming video recognition reasons about objects and their actions in every frame of a video. A good streaming recognition model captures both long-term dynamics and short-term changes of video. Unfortunately, in most existing methods, the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yue Zhao , Philipp Krähenbühl

We present IntelliProof, an interactive system for analyzing argumentative essays through LLMs. IntelliProof structures an essay as an argumentation graph, where claims are represented as nodes, supporting evidence is attached as node…

Computation and Language · Computer Science 2025-11-19 Kaveh Eskandari Miandoab , Katharine Kowalyshyn , Kabir Pamnani , Anesu Gavhera , Vasanth Sarathy , Matthias Scheutz

Face recognition is widely used in the scene. However, different visual environments require different methods, and face recognition has a difficulty in complex environments. Therefore, this paper mainly experiments complex faces in the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Qian Li , Nan Guo , Xiaochun Ye , Dongrui Fan , Zhimin Tang

Automatic face recognition is a research area with high popularity. Many different face recognition algorithms have been proposed in the last thirty years of intensive research in the field. With the popularity of deep learning and its…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Tiago de Freitas Pereira , Dominic Schmidli , Yu Linghu , Xinyi Zhang , Sébastien Marcel , Manuel Günther

The spread of the Coronavirus disease-2019 epidemic has caused many courses and exams to be conducted online. The cheating behavior detection model in examination invigilation systems plays a pivotal role in guaranteeing the equality of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Yemeng Liu , Jing Ren , Jianshuo Xu , Xiaomei Bai , Roopdeep Kaur , Feng Xia

Most current multi-object trackers focus on short-term tracking, and are based on deep and complex systems that often cannot operate in real-time, making them impractical for video-surveillance. In this paper we present a long-term,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Germán Barquero , Isabelle Hupont , Carles Fernández

Recent advances in video processing utilizing deep learning primitives achieved breakthroughs in fundamental problems in video analysis such as frame classification and object detection enabling an array of new applications. In this paper…

Databases · Computer Science 2020-02-26 Nick Koudas , Raymond Li , Ioannis Xarchakos

Fake videos represent an important misinformation threat. While existing forensic networks have demonstrated strong performance on image forgeries, recent results reported on the Adobe VideoSham dataset show that these networks fail to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Tai D. Nguyen , Shengbang Fang , Matthew C. Stamm

With the rise of AI-enabled Real-Time Deepfakes (RTDFs), the integrity of online video interactions has become a growing concern. RTDFs have now made it feasible to replace an imposter's face with their victim in live video interactions.…

Cryptography and Security · Computer Science 2024-05-27 Govind Mittal , Chinmay Hegde , Nasir Memon

In the era of rapid digitalization and artificial intelligence advancements, the development of DeepFake technology has posed significant security and privacy concerns. This paper presents an effective measure to assess the visual realism…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Luka Dragar , Peter Peer , Vitomir Štruc , Borut Batagelj

Visual change detection, aiming at segmentation of video frames into foreground and background regions, is one of the elementary tasks in computer vision and video analytics. The applications of change detection include anomaly detection,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Murari Mandal , Santosh Kumar Vipparthi

During the investigation of criminal activity when evidence is available, the issue at hand is determining the credibility of the video and ascertaining that the video is real. Today, one way to authenticate the footage is to identify the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Akash Nagaraj , Mukund Sood , Vivek Kapoor , Yash Mathur , Bishesh Sinha

Recently, online learning is very popular, especially under the global epidemic of COVID-19. Besides knowledge distribution, emotion interaction is also very important. It can be obtained by employing Facial Expression Recognition (FER).…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yi Huo , Lei Zhang