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Learning to simultaneously handle face alignment of arbitrary views, e.g. frontal and profile views, appears to be more challenging than we thought. The difficulties lay in i) accommodating the complex appearance-shape relations exhibited…

计算机视觉与模式识别 · 计算机科学 2015-11-23 Shizhan Zhu , Cheng Li , Chen Change Loy , Xiaoou Tang

Face alignment consists in aligning a shape model on a face in an image. It is an active domain in computer vision as it is a preprocessing for applications like facial expression recognition, face recognition and tracking, face animation,…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Estephe Arnaud , Arnaud Dapogny , Kevin Bailly

Facial action unit (AU) detection and face alignment are two highly correlated tasks since facial landmarks can provide precise AU locations to facilitate the extraction of meaningful local features for AU detection. Most existing AU…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Zhiwen Shao , Zhilei Liu , Jianfei Cai , Lizhuang Ma

Support matrix machine (SMM) is a successful supervised classification model for matrix-type samples. Unlike support vector machines, it employs low-rank regularization on the regression matrix to effectively capture the intrinsic structure…

最优化与控制 · 数学 2024-12-12 Can Wu , Dong-Hui Li , Defeng Sun

Multi-view deep neural network is perhaps the most successful approach in 3D shape classification. However, the fusion of multi-view features based on max or average pooling lacks a view selection mechanism, limiting its application in,…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Songle Chen , Lintao Zheng , Yan Zhang , Zhixin Sun , Kai Xu

This paper proposes a novel face recognition algorithm based on large-scale supervised hierarchical feature learning. The approach consists of two parts: hierarchical feature learning and large-scale model learning. The hierarchical feature…

计算机视觉与模式识别 · 计算机科学 2014-07-08 Jianguo Li , Yurong Chen

Though quite challenging, leveraging large-scale unlabeled or partially labeled images in a cost-effective way has increasingly attracted interests for its great importance to computer vision. To tackle this problem, many Active Learning…

计算机视觉与模式识别 · 计算机科学 2018-05-25 Keze Wang , Xiaopeng Yan , Dongyu Zhang , Lei Zhang , Liang Lin

Active Appearance Models (AAMs) are one of the most popular and well-established techniques for modeling deformable objects in computer vision. In this paper, we study the problem of fitting AAMs using Compositional Gradient Descent (CGD)…

计算机视觉与模式识别 · 计算机科学 2016-01-05 Joan Alabort-i-Medina , Stefanos Zafeiriou

Facial landmark detection is a crucial prerequisite for many face analysis applications. Deep learning-based methods currently dominate the approach of addressing the facial landmark detection. However, such works generally introduce a…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Yang Zhao , Yifan Liu , Chunhua Shen , Yongsheng Gao , Shengwu Xiong

Image registration is a fundamental medical image analysis task. Ideally, registration should focus on aligning semantically corresponding voxels, i.e., the same anatomical locations. However, existing methods often optimize similarity…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Lin Tian , Zi Li , Fengze Liu , Xiaoyu Bai , Jia Ge , Le Lu , Marc Niethammer , Xianghua Ye , Ke Yan , Daikai Jin

Recent works based on deep learning and facial priors have succeeded in super-resolving severely degraded facial images. However, the prior knowledge is not fully exploited in existing methods, since facial priors such as landmark and…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Cheng Ma , Zhenyu Jiang , Yongming Rao , Jiwen Lu , Jie Zhou

This contribution gives an overview of face recogni-tion algorithms, their implementation and practical uses. First, a training set of different persons' faces has to be collected and used to train a face recognizer. The resulting face…

计算机视觉与模式识别 · 计算机科学 2017-07-05 Johannes Reschke , Armin Sehr

Recently, it was shown that excellent results can be achieved in both face landmark localization and pose-invariant face recognition. These breakthroughs are attributed to the efforts of the community to manually annotate facial images in…

计算机视觉与模式识别 · 计算机科学 2015-02-04 Christos Sagonas , Yannis Panagakis , Stefanos Zafeiriou , Maja Pantic

Facial motion retargeting is an important problem in both computer graphics and vision, which involves capturing the performance of a human face and transferring it to another 3D character. Learning 3D morphable model (3DMM) parameters from…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Bindita Chaudhuri , Noranart Vesdapunt , Baoyuan Wang

Convolutional neural networks (CNNs) are similar to "ordinary" neural networks in the sense that they are made up of hidden layers consisting of neurons with "learnable" parameters. These neurons receive inputs, performs a dot product, and…

计算机视觉与模式识别 · 计算机科学 2019-02-08 Abien Fred Agarap

This paper proposes a novel model fitting algorithm for 3D facial expression reconstruction from a single image. Face expression reconstruction from a single image is a challenging task in computer vision. Most state-of-the-art methods fit…

计算机视觉与模式识别 · 计算机科学 2018-08-20 Fanzi Wu , Songnan Li , Tianhao Zhao , King Ngi Ngan , Lv Sheng

Facial landmark detection, head pose estimation, and facial deformation analysis are typical facial behavior analysis tasks in computer vision. The existing methods usually perform each task independently and sequentially, ignoring their…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Yue Wu , Chao Gou , Qiang Ji

In face recognition, designing margin-based (e.g., angular, additive, additive angular margins) softmax loss functions plays an important role in learning discriminative features. However, these hand-crafted heuristic methods are…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Xiaobo Wang , Shuo Wang , Cheng Chi , Shifeng Zhang , Tao Mei

In this paper we consider the problem of multi-view face detection. While there has been significant research on this problem, current state-of-the-art approaches for this task require annotation of facial landmarks, e.g. TSM [25], or…

计算机视觉与模式识别 · 计算机科学 2015-04-22 Sachin Sudhakar Farfade , Mohammad Saberian , Li-Jia Li

Feature matching is a crucial technique in computer vision. A unified perspective for this task is to treat it as a searching problem, aiming at an efficient search strategy to narrow the search space to point matches between images. One of…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Yesheng Zhang , Xu Zhao