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In the present paper we propose two new algorithms of tensor completion for three-order tensors. The proposed methods consist in minimizing the average rank of the underlying tensor using its approximate function namely the tensor nuclear…

数值分析 · 数学 2021-02-23 A. H. Bentbib , A. El Hachimi , K. Jbilou , A. Ratnani

Recent progress in NeRF-based GANs has introduced a number of approaches for high-resolution and high-fidelity generative modeling of human heads with a possibility for novel view rendering. At the same time, one must solve an inverse…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Ananta R. Bhattarai , Matthias Nießner , Artem Sevastopolsky

Higher-order tensors are becoming prevalent in many scientific areas such as computer vision, social network analysis, data mining and neuroscience. Traditional tensor decomposition approaches face three major challenges: model selecting,…

数值分析 · 计算机科学 2014-07-08 Fanhua Shang , Yuanyuan Liu , James Cheng

We propose a novel 3D face recognition algorithm using a deep convolutional neural network (DCNN) and a 3D augmentation technique. The performance of 2D face recognition algorithms has significantly increased by leveraging the…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Donghyun Kim , Matthias Hernandez , Jongmoo Choi , Gerard Medioni

The relationship between muscle activity and resulting facial expressions is crucial for various fields, including psychology, medicine, and entertainment. The synchronous recording of facial mimicry and muscular activity via surface…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Tim Büchner , Christoph Anders , Orlando Guntinas-Lichius , Joachim Denzler

We propose a novel landmarks-assisted collaborative end-to-end deep framework for automatic 4D FER. Using 4D face scan data, we calculate its various geometrical images, and afterwards use rank pooling to generate their dynamic images…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

Keypoint detection is one of the most important pre-processing steps in tasks such as face modeling, recognition and verification. In this paper, we present an iterative method for Keypoint Estimation and Pose prediction of unconstrained…

计算机视觉与模式识别 · 计算机科学 2017-02-17 Amit Kumar , Azadeh Alavi , Rama Chellappa

Traditional tensor decomposition methods, e.g., two dimensional principal component analysis and two dimensional singular value decomposition, that minimize mean square errors, are sensitive to outliers. To overcome this problem, in this…

计算机视觉与模式识别 · 计算机科学 2020-12-30 Miaohua Zhang , Yongsheng Gao , Changming Sun , Michael Blumenstein

In this paper, we propose a Tensor Train Neighborhood Preserving Embedding (TTNPE) to embed multi-dimensional tensor data into low dimensional tensor subspace. Novel approaches to solve the optimization problem in TTNPE are proposed. For…

机器学习 · 计算机科学 2018-05-09 Wenqi Wang , Vaneet Aggarwal , Shuchin Aeron

Tensor decompositions, which represent an $N$-order tensor using approximately $N$ factors of much smaller dimensions, can significantly reduce the number of parameters. This is particularly beneficial for high-order tensors, as the number…

机器学习 · 计算机科学 2025-06-23 Zhen Qin , Michael B. Wakin , Zhihui Zhu

This paper addresses the problem of 3D face recognition using simultaneous sparse approximations on the sphere. The 3D face point clouds are first aligned with a novel and fully automated registration process. They are then represented as…

计算机视觉与模式识别 · 计算机科学 2008-10-30 R. Sala Llonch , E. Kokiopoulou , I. Tosic , P. Frossard

We present Tensor4D, an efficient yet effective approach to dynamic scene modeling. The key of our solution is an efficient 4D tensor decomposition method so that the dynamic scene can be directly represented as a 4D spatio-temporal tensor.…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Ruizhi Shao , Zerong Zheng , Hanzhang Tu , Boning Liu , Hongwen Zhang , Yebin Liu

Face alignment aims to estimate the locations of a set of landmarks for a given image. This problem has received much attention as evidenced by the recent advancement in both the methodology and performance. However, most of the existing…

计算机视觉与模式识别 · 计算机科学 2015-06-12 Amin Jourabloo , Xiaoming Liu

Existing facial expression recognition (FER) methods typically fine-tune a pre-trained visual encoder using discrete labels. However, this form of supervision limits to specify the emotional concept of different facial expressions. In this…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Hangyu Li , Yihan Xu , Jiangchao Yao , Nannan Wang , Xinbo Gao , Bo Han

We address the challenge of parameter-efficient fine-tuning (PEFT) for three-dimensional (3D) U-Net-based denoising diffusion probabilistic models (DDPMs) in magnetic resonance imaging (MRI) image generation. Despite its practical…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Binghua Li , Ziqing Chang , Tong Liang , Chao Li , Toshihisa Tanaka , Shigeki Aoki , Qibin Zhao , Zhe Sun

In image-guided liver surgery, 3D-3D non-rigid registration methods play a crucial role in estimating the mapping between the preoperative model and the intraoperative surface represented as point clouds, addressing the challenge of tissue…

图像与视频处理 · 电气工程与系统科学 2025-03-18 Zixin Yang , Richard Simon , Kelly Merrell , Cristian. A. Linte

In this paper, we propose a solution to the task of generating dynamic 3D facial expressions from a neutral 3D face and an expression label. This involves solving two sub-problems: (i)modeling the temporal dynamics of expressions, and (ii)…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Naima Otberdout , Claudio Ferrari , Mohamed Daoudi , Stefano Berretti , Alberto Del Bimbo

3D face reconstruction (3DFR) algorithms are based on specific assumptions tailored to the limits and characteristics of the different application scenarios. In this study, we investigate how multiple state-of-the-art 3DFR algorithms can be…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Simone Maurizio La Cava , Roberto Casula , Sara Concas , Giulia Orrù , Ruben Tolosana , Martin Drahansky , Julian Fierrez , Gian Luca Marcialis

The recent success of Transformer has provided a new direction to various visual understanding tasks, including video-based facial expression recognition (FER). By modeling visual relations effectively, Transformer has shown its power for…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Yuanyuan Liu , Wenbin Wang , Chuanxu Feng , Haoyu Zhang , Zhe Chen , Yibing Zhan

In this paper a novel efficient method for representation of facial action units by encoding an image sequence as a fourth-order tensor is presented. The multilinear tensor-based extension of the biased discriminant analysis (BDA)…

计算机视觉与模式识别 · 计算机科学 2010-04-06 Mahmoud Khademi , Mehran Safayani , Mohammad T. Manzuri-Shalmani