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Unlike single-face forgeries, deepfakes in complex multi-person interaction scenarios (such as group photos and multi-person meetings) more closely reflect real-world threats. Although existing proactive forensics solutions demonstrate good…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Lei Zhang , Zhiqing Guo , Dan Ma , Gaobo Yang

Ensuring fairness in instruments like survey questionnaires or educational tests is crucial. One way to address this is by a Differential Item Functioning (DIF) analysis, which examines if different subgroups respond differently to a…

Methodology · Statistics 2025-01-08 Gabriel Wallin , Yunxiao Chen , Irini Moustaki

With diverse presentation forgery methods emerging continually, detecting the authenticity of images has drawn growing attention. Although existing methods have achieved impressive accuracy in training dataset detection, they still perform…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yingxin Lai , Guoqing Yang Yifan He , Zhiming Luo , Shaozi Li

Advances in Artificial Intelligence and Image Processing are changing the way people interacts with digital images and video. Widespread mobile apps like FACEAPP make use of the most advanced Generative Adversarial Networks (GAN) to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Luca Guarnera , Oliver Giudice , Sebastiano Battiato

Visual counterfeits are increasingly causing an existential conundrum in mainstream media with rapid evolution in neural image synthesis methods. Though detection of such counterfeits has been a taxing problem in the image forensics…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Keshigeyan Chandrasegaran , Ngoc-Trung Tran , Alexander Binder , Ngai-Man Cheung

While image forensics is concerned with whether an image has been tampered with, image anti-forensics attempts to prevent image forensics methods from detecting tampered images. The competition between these two fields started long before…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Eren Tahir , Mert Bal

Manipulated videos, especially those where the identity of an individual has been modified using deep neural networks, are becoming an increasingly relevant threat in the modern day. In this paper, we seek to develop a generalizable,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Steven Schwarcz , Rama Chellappa

While videos can be falsified in many different ways, most existing forensic networks are specialized to detect only a single manipulation type (e.g. deepfake, inpainting). This poses a significant issue as the manipulation used to falsify…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Tai D. Nguyen , Matthew C. Stamm

Recent deep learning based video synthesis approaches, in particular with applications that can forge identities such as "DeepFake", have raised great security concerns. Therefore, corresponding deep forensic methods are proposed to tackle…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Gengxing Wang , Jiahuan Zhou , Ying Wu

Deepfakes are computer manipulated videos where the face of an individual has been replaced with that of another. Software for creating such forgeries is easy to use and ever more popular, causing serious threats to personal reputation and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Samuele Pino , Mark James Carman , Paolo Bestagini

Sun-induced fluorescence (SIF) as a close remote sensing based proxy for photosynthesis is accepted as a useful measure to remotely monitor vegetation health and gross primary productivity. In this work we present the new retrieval method…

Geophysics · Physics 2025-09-16 Veronika Oehl , Alexander Damm

Deep image prior (DIP) proposed in recent research has revealed the inherent trait of convolutional neural networks (CNN) for capturing substantial low-level image statistics priors. This framework efficiently addresses the inverse problems…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Ziyu Shu , Zhixin Pan

Depth-from-focus (DFF) is a technique that infers depth using the focus change of a camera. In this work, we propose a convolutional neural network (CNN) to find the best-focused pixels in a focal stack and infer depth from the focus…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Fengting Yang , Xiaolei Huang , Zihan Zhou

Deepfakes are becoming increasingly credible, posing a significant threat given their potential to facilitate fraud or bypass access control systems. This has motivated the development of deepfake detection methods, in which deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Boquan Li , Jun Sun , Christopher M. Poskitt , Xingmei Wang

Temporal forgery localization aims to temporally identify manipulated segments in videos. Most existing benchmarks focus on appearance-level forgeries, such as face swapping and object removal. However, recent advances in video generation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Peijun Bao , Anwei Luo , Gang Pan , Alex C. Kot , Xudong Jiang

Digital Signal Processing (DSP) and Digital Image Processing (DIP) with Machine Learning (ML) and Deep Learning (DL) are popular research areas in Computer Vision and related fields. We highlight transformative applications in image…

There is growing concern about image privacy due to the popularity of social media and photo devices, along with increasing use of face recognition systems. However, established image de-identification techniques are either too subject to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Tao Li , Chris Clifton

Wavefront sensing and reconstruction are widely used for adaptive optics, aberration correction, and high-resolution optical phase imaging. Traditionally, interference and/or microlens arrays are used to convert the optical phase into…

Depth imaging is vital for many emerging technologies with applications in augmented reality, robotics, gesture detection, and facial recognition. These applications, however, demand compact and low-power systems beyond the capabilities of…

Optics · Physics 2019-10-29 Shane Colburn , Arka Majumdar

With the advancement of AIGC, video frame interpolation (VFI) has become a crucial component in existing video generation frameworks, attracting widespread research interest. For the VFI task, the motion estimation between neighboring…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Zhilin Huang , Yijie Yu , Ling Yang , Chujun Qin , Bing Zheng , Xiawu Zheng , Zikun Zhou , Yaowei Wang , Wenming Yang
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