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Deepfake techniques have been widely used for malicious purposes, prompting extensive research interest in developing Deepfake detection methods. Deepfake manipulations typically involve tampering with facial parts, which can result in…

多媒体 · 计算机科学 2023-05-11 Juan Hu , Xin Liao , Difei Gao , Satoshi Tsutsui , Qian Wang , Zheng Qin , Mike Zheng Shou

Deepfake techniques have been widely used for malicious purposes, prompting extensive research interest in developing Deepfake detection methods. Deepfake manipulations typically involve tampering with facial parts, which can result in…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Juan Hu , Xin Liao , Difei Gao , Satoshi Tsutsui , Qian Wang , Zheng Qin , Mike Zheng Shou

We propose a regularization scheme for image reconstruction that leverages the power of deep learning while hinging on classic sparsity-promoting models. Many deep-learning-based models are hard to interpret and cumbersome to analyze…

图像与视频处理 · 电气工程与系统科学 2024-07-10 Mehrsa Pourya , Sebastian Neumayer , Michael Unser

We propose a deep video prediction model conditioned on a single image and an action class. To generate future frames, we first detect keypoints of a moving object and predict future motion as a sequence of keypoints. The input image is…

计算机视觉与模式识别 · 计算机科学 2019-10-07 Yunji Kim , Seonghyeon Nam , In Cho , Seon Joo Kim

In recent advances of deep generative models, face reenactment -manipulating and controlling human face, including their head movement-has drawn much attention for its wide range of applicability. Despite its strong expressiveness, it is…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Takuya Yashima , Takuya Narihira , Tamaki Kojima

Real-world talking faces often accompany with natural head movement. However, most existing talking face video generation methods only consider facial animation with fixed head pose. In this paper, we address this problem by proposing a…

计算机视觉与模式识别 · 计算机科学 2020-03-06 Ran Yi , Zipeng Ye , Juyong Zhang , Hujun Bao , Yong-Jin Liu

Large-scale pre-trained diffusion models have exhibited remarkable capabilities in diverse video generations. Given a set of video clips of the same motion concept, the task of Motion Customization is to adapt existing text-to-video…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Rui Zhao , Yuchao Gu , Jay Zhangjie Wu , David Junhao Zhang , Jiawei Liu , Weijia Wu , Jussi Keppo , Mike Zheng Shou

This paper introduces an unsupervised framework to extract semantically rich features for video representation. Inspired by how the human visual system groups objects based on motion cues, we propose a deep convolutional neural network that…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Xunyu Lin , Victor Campos , Xavier Giro-i-Nieto , Jordi Torres , Cristian Canton Ferrer

Observable motion in videos can give rise to the definition of objects moving with respect to the scene. The task of segmenting such moving objects is referred to as motion segmentation and is usually tackled either by aggregating motion…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Amirhossein Kardoost , Kalun Ho , Peter Ochs , Margret Keuper

In this paper, we present an unsupervised learning approach for analyzing facial behavior based on a deep generative model combined with a convolutional neural network (CNN). We jointly train a variational auto-encoder (VAE) and a…

计算机视觉与模式识别 · 计算机科学 2018-05-14 Suman Saha , Rajitha Navarathna , Leonhard Helminger , Romann Weber

Traditional methods for image-based 3D face reconstruction and facial motion retargeting fit a 3D morphable model (3DMM) to the face, which has limited modeling capacity and fail to generalize well to in-the-wild data. Use of deformation…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Bindita Chaudhuri , Noranart Vesdapunt , Linda Shapiro , Baoyuan Wang

The recent success in human action recognition with deep learning methods mostly adopt the supervised learning paradigm, which requires significant amount of manually labeled data to achieve good performance. However, label collection is an…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

Facial feature tracking is essential in imaging ballistocardiography for accurate heart rate estimation and enables motor degradation quantification in Parkinson's disease through skin feature tracking. While deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Jose Chang , Torbjörn E. M. Nordling

Automating the analysis of surveillance video footage is of great interest when urban environments or industrial sites are monitored by a large number of cameras. As anomalies are often context-specific, it is hard to predefine events of…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Bo Li , Sam Leroux , Pieter Simoens

Nowadays, it is possible to scan faces and automatically register them with high quality. However, the resulting face meshes often need further processing: we need to stabilize them to remove unwanted head movement. Stabilization is…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Jan Bednarik , Erroll Wood , Vasileios Choutas , Timo Bolkart , Daoye Wang , Chenglei Wu , Thabo Beeler

In this paper we propose a technique for obtaining coarse pose estimation of humans in an image that does not require any manual supervision. While a general unsupervised technique would fail to estimate human pose, we suggest that…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Prabuddha Chakraborty , Vinay P. Namboodiri

In this paper, we present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu

Recent developments in computer vision and machine learning have made it possible to create realistic manipulated videos of human faces, raising the issue of ensuring adequate protection against the malevolent effects unlocked by such…

计算机视觉与模式识别 · 计算机科学 2020-02-12 Michail Tarasiou , Stefanos Zafeiriou

We propose a self-supervised framework to learn scene representations from video that are automatically delineated into background, characters, and their animations. Our method capitalizes on moving characters being equivariant with respect…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Cinjon Resnick , Or Litany , Cosmas Heiß , Hugo Larochelle , Joan Bruna , Kyunghyun Cho

The growing use of portrait images in computer vision highlights the need to protect personal identities. At the same time, anonymized images must remain useful for downstream computer vision tasks. In this work, we propose a unified…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Ali Salar , Qing Liu , Guoying Zhao