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Capturing display screens with mobile devices has become increasingly common, yet the resulting images often suffer from severe degradations caused by the coexistence of moir\'e patterns and flicker-banding, leading to significant visual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Libo Zhu , Zihan Zhou , Zhiyi Zhou , Yiyang Qu , Weihang Zhang , Keyu Shi , Yifan Fu , Yulun Zhang

In this paper, we proposed an unsupervised learning method for estimating the optical flow between video frames, especially to solve the occlusion problem. Occlusion is caused by the movement of an object or the movement of the camera,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Jianfeng Li , Junqiao Zhao , Tiantian Feng , Chen Ye , Lu Xiong

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

Face recognition is a classical problem in Computer Vision that has experienced significant progress. Yet, in digital videos, face recognition is complicated by occlusion, pose and lighting variations, and persons entering/leaving the…

Image and Video Processing · Electrical Eng. & Systems 2021-10-29 Phuong Tran

Previous face forgery detection methods mainly focus on appearance features, which may be easily attacked by sophisticated manipulation. Considering the majority of current face manipulation methods generate fake faces based on a single…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Jingyi Zhang , Peng Zhang , Jingjing Wang , Di Xie , Shiliang Pu

Preserving accuracy is a challenging issue in super resolution images. In this paper, we propose a new FFT based image registration algorithm and a sparse based super resolution algorithm to improve the accuracy of super resolution image.…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Archana Vijayan , Vincy Salam

With the rapid development of generation model, AI-based face manipulation technology, which called DeepFakes, has become more and more realistic. This means of face forgery can attack any target, which poses a new threat to personal…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yuyang Sun , Zhiyong Zhang , Changzhen Qiu , Liang Wang , Zekai Wang

In this paper, we propose to detect forged videos, of faces, in online videos. To facilitate this detection, we propose to use smaller (fewer parameters to learn) convolutional neural networks (CNN), for a data-driven approach to forged…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Neilesh Sambhu , Shaun Canavan

Facial recognition is fundamental for a wide variety of security systems operating in real-time applications. In video surveillance based face recognition, face images are typically captured over multiple frames in uncontrolled conditions;…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Eker Onur , Bal Murat

We propose a method to address challenges in unconstrained face detection, such as arbitrary pose variations and occlusions. First, a new image feature called Normalized Pixel Difference (NPD) is proposed. NPD feature is computed as the…

Computer Vision and Pattern Recognition · Computer Science 2015-09-08 Shengcai Liao , Anil K. Jain , Stan Z. Li

Visual content has become the primary source of information, as evident in the billions of images and videos, shared and uploaded on the Internet every single day. This has led to an increase in alterations in images and videos to make them…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Prabhat Kumar , Mayank Vatsa , Richa Singh

Deep learning has revolutionized medical image registration by achieving unprecedented speeds, yet its clinical application is hindered by a limited ability to generalize beyond the training domain, a critical weakness given the typically…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Fengting Zhang , Yue He , Qinghao Liu , Yaonan Wang , Xiang Chen , Hang Zhang

Video face swapping is becoming increasingly popular across various applications, yet existing methods primarily focus on static images and struggle with video face swapping because of temporal consistency and complex scenarios. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Hao Shao , Shulun Wang , Yang Zhou , Guanglu Song , Dailan He , Shuo Qin , Zhuofan Zong , Bingqi Ma , Yu Liu , Hongsheng Li

In this paper, we present supervision-by-registration, an unsupervised approach to improve the precision of facial landmark detectors on both images and video. Our key observation is that the detections of the same landmark in adjacent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Xuanyi Dong , Shoou-I Yu , Xinshuo Weng , Shih-En Wei , Yi Yang , Yaser Sheikh

Deepfake poses a serious threat to the reliability of judicial evidence and intellectual property protection. In spite of an urgent need for Deepfake identification, existing pixel-level detection methods are increasingly unable to resist…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Maoyu Mao , Jun Yang

Dual-fisheye lens cameras are becoming popular for 360-degree video capture, especially for User-generated content (UGC), since they are affordable and portable. Images generated by the dual-fisheye cameras have limited overlap and hence…

Multimedia · Computer Science 2017-08-25 Tuan Ho , Ioannis Schizas , K. R. Rao , Madhukar Budagavi

Due to the development of facial manipulation techniques in recent years deepfake detection in video stream became an important problem for face biometrics, brand monitoring or online video conferencing solutions. In case of a biometric…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Kirill Vyshegorodtsev , Dmitry Kudiyarov , Alexander Balashov , Alexander Kuzmin

Existing facial appearance capture methods can reconstruct plausible facial reflectance from smartphone-recorded videos. However, the reconstruction quality is still far behind the ones based on studio recordings. This paper fills the gap…

Graphics · Computer Science 2025-06-05 Yuxuan Han , Junfeng Lyu , Kuan Sheng , Minghao Que , Qixuan Zhang , Lan Xu , Feng Xu

Image foreground extraction is a classical problem in image processing and vision, with a large range of applications. In this dissertation, we focus on the extraction of text and graphics in mixed-content images, and design novel…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Shervin Minaee

Face swapping transfers the identity of a source face to a target face while retaining the attributes like expression, pose, hair, and background of the target face. Advanced face swapping methods have achieved attractive results. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Runqi Wang , Yang Chen , Sijie Xu , Tianyao He , Wei Zhu , Dejia Song , Nemo Chen , Xu Tang , Yao Hu
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