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Video privacy leakage is becoming an increasingly severe public problem, especially in cloud-based video surveillance systems. It leads to the new need for secure cloud-based video applications, where the video is encrypted for privacy…

图像与视频处理 · 电气工程与系统科学 2021-08-31 Xianhao Tian , Peijia Zheng , Jiwu Huang

As image tampering becomes ever more sophisticated and commonplace, the need for image forensics algorithms that can accurately and quickly detect forgeries grows. In this paper, we revisit the ideas of image querying and retrieval to…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Joel Brogan , Paolo Bestagini , Aparna Bharati , Allan Pinto , Daniel Moreira , Kevin Bowyer , Patrick Flynn , Anderson Rocha , Walter Scheirer

In recent years, DeepFake is becoming a common threat to our society, due to the remarkable progress of generative adversarial networks (GAN) in image synthesis. Unfortunately, existing studies that propose various approaches, in fighting…

密码学与安全 · 计算机科学 2021-09-28 Run Wang , Felix Juefei-Xu , Meng Luo , Yang Liu , Lina Wang

Image forgery localization (IFL) is a crucial technique for preventing tampered image misuse and protecting social safety. However, due to the rapid development of image tampering technologies, extracting more comprehensive and accurate…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ziqi Sheng , Wei Lu , Xiangyang Luo , Jiantao Zhou , Xiaochun Cao

Visual localization is the task of estimating the camera pose from which a given image was taken and is central to several 3D computer vision applications. With the rapid growth in the popularity of AR/VR/MR devices and cloud-based…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Kunal Chelani , Torsten Sattler , Fredrik Kahl , Zuzana Kukelova

Human pose estimation in low-resolution videos presents a fundamental challenge in computer vision. Conventional methods either assume high-quality inputs or employ computationally expensive cascaded processing, which limits their…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Yucheng Jin , Jinyan Chen , Ziyue He , Baojun Han , Furan An

Deep neural networks have empowered accurate device-free human activity recognition, which has wide applications. Deep models can extract robust features from various sensors and generalize well even in challenging situations such as…

密码学与安全 · 计算机科学 2022-12-05 Jianfei Yang , Han Zou , Lihua Xie

In the contemporary digital era, protection of personal information has become a paramount issue. The exponential growth of the media industry has heightened concerns regarding the anonymization of individuals captured in video footage.…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Byunghyun Ban , Hyoseok Lee

The spread of Deepfake videos has caused a trust crisis and impaired social stability. Although numerous approaches have been proposed to address the challenges of Deepfake detection and localization, there is still a lack of systematic…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Wenbo Xu , Wei Lu , Xiangyang Luo

This paper proposes a person-centric and online approach to the challenging problem of localization and prediction of actions and interactions in videos. Typically, localization or recognition is performed in an offline manner where all the…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Khurram Soomro , Haroon Idrees , Mubarak Shah

A copy-move forgery is created by copying and pasting content within the same image, and potentially post-processing it. In recent years, the detection of copy-move forgeries has become one of the most actively researched topics in blind…

计算机视觉与模式识别 · 计算机科学 2012-11-27 Vincent Christlein , Christian Riess , Johannes Jordan , Corinna Riess , Elli Angelopoulou

Despite encouraging progress in deepfake detection, generalization to unseen forgery types remains a significant challenge due to the limited forgery clues explored during training. In contrast, we notice a common phenomenon in deepfake:…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Jiazhi Guan , Hang Zhou , Mingming Gong , Errui Ding , Jingdong Wang , Youjian Zhao

Online media data, in the forms of images and videos, are becoming mainstream communication channels. However, recent advances in deep learning, particularly deep generative models, open the doors for producing perceptually convincing…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Junke Wang , Zhenxin Li , Chao Zhang , Jingjing Chen , Zuxuan Wu , Larry S. Davis , Yu-Gang Jiang

Anti-forensics seeks to eliminate or conceal traces of tampering artifacts. Typically, anti-forensic methods are designed to deceive binary detectors and persuade them to misjudge the authenticity of an image. However, to the best of our…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Long Zhuo , Shenghai Luo , Shunquan Tan , Han Chen , Bin Li , Jiwu Huang

Detecting digital face manipulation in images and video has attracted extensive attention due to the potential risk to public trust. To counteract the malicious usage of such techniques, deep learning-based deepfake detection methods have…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Yuhang Lu , Touradj Ebrahimi

Detecting forgery videos is highly desirable due to the abuse of deepfake. Existing detection approaches contribute to exploring the specific artifacts in deepfake videos and fit well on certain data. However, the growing technique on these…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Harry Cheng , Yangyang Guo , Tianyi Wang , Qi Li , Xiaojun Chang , Liqiang Nie

Weakly supervised instance segmentation has gained popularity because it reduces high annotation cost of pixel-level masks required for model training. Recent approaches for weakly supervised instance segmentation detect and segment objects…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Jun Ikeda , Junichiro Mori

Pose-based anomaly detection is a video-analysis technique for detecting anomalous events or behaviors by examining human pose extracted from the video frames. Utilizing pose data alleviates privacy and ethical issues. Also,…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Ghazal Alinezhad Noghre , Armin Danesh Pazho , Vinit Katariya , Hamed Tabkhi

Face authentication systems are becoming increasingly prevalent, especially with the rapid development of Deep Learning technologies. However, human facial information is easy to be captured and reproduced, which makes face authentication…

计算机视觉与模式识别 · 计算机科学 2018-08-23 Di Tang , Zhe Zhou , Yinqian Zhang , Kehuan Zhang

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…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Akash Nagaraj , Mukund Sood , Vivek Kapoor , Yash Mathur , Bishesh Sinha