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Localization of salient facial landmark points, such as eye corners or the tip of the nose, is still considered a challenging computer vision problem despite recent efforts. This is especially evident in unconstrained environments, i.e., in…

计算机视觉与模式识别 · 计算机科学 2015-01-21 Nenad Markuš , Miroslav Frljak , Igor S. Pandžić , Jörgen Ahlberg , Robert Forchheimer

We propose an experimental method for measuring bias in face recognition systems. Existing methods to measure bias depend on benchmark datasets that are collected in the wild and annotated for protected (e.g., race, gender) and…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Hao Liang , Pietro Perona , Guha Balakrishnan

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

Existing deep learning based facial landmark detection methods have achieved excellent performance. These methods, however, do not explicitly embed the structural dependencies among landmark points. They hence cannot preserve the geometric…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Lisha Chen , Hui Su , Qiang Ji

Facial alignment involves finding a set of landmark points on an image with a known semantic meaning. However, this semantic meaning of landmark points is often lost in 2D approaches where landmarks are either moved to visible boundaries or…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Chandrasekhar Bhagavatula , Chenchen Zhu , Khoa Luu , Marios Savvides

Landmarks often play a key role in face analysis, but many aspects of identity or expression cannot be represented by sparse landmarks alone. Thus, in order to reconstruct faces more accurately, landmarks are often combined with additional…

In this paper, we propose a novel face alignment method using single deep network (SDN) on existing limited training data. Rather than using a max-pooling layer followed one convolutional layer in typical convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2017-02-10 Zongping Deng , Ke Li , Qijun Zhao , Yi Zhang , Hu Chen

Facial landmark localization is a very crucial step in numerous face related applications, such as face recognition, facial pose estimation, face image synthesis, etc. However, previous competitions on facial landmark localization (i.e.,…

One of the data structures generated by medical imaging technology is high resolution point clouds representing anatomical surfaces. Raw images are in the form of triangulated surfaces and the first step is to create a standardised…

统计方法学 · 统计学 2017-01-26 Liberty Vittert , Adrian Bowman , Stanislav Katina

Three-dimensional shape reconstruction of 2D landmark points on a single image is a hallmark of human vision, but is a task that has been proven difficult for computer vision algorithms. We define a feed-forward deep neural network…

计算机视觉与模式识别 · 计算机科学 2016-09-29 Ruiqi Zhao , Yan Wang , Aleix Martinez

In recent years, significant progress has been made in the research of facial landmark detection. However, few prior works have thoroughly discussed about models for practical applications. Instead, they often focus on improving a couple of…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Haibo Jin , Jinpeng Li , Shengcai Liao , Ling Shao

Current supervised methods for facial landmark detection require a large amount of training data and may suffer from overfitting to specific datasets due to the massive number of parameters. We introduce a semi-supervised method in which…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Bjoern Browatzki , Christian Wallraven

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

The accurate localization of facial landmarks is at the core of face analysis tasks, such as face recognition and facial expression analysis, to name a few. In this work, we propose a novel localization approach based on a deep learning…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Shahar Mahpod , Rig Das , Emanuele Maiorana , Yosi Keller , Patrizio Campisi

There are demographic biases present in current facial recognition (FR) models. To measure these biases across different ethnic and gender subgroups, we introduce our Balanced Faces in the Wild (BFW) dataset. This dataset allows for the…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Joseph P Robinson , Can Qin , Yann Henon , Samson Timoner , Yun Fu

Face recognition systems have to deal with large variabilities (such as different poses, illuminations, and expressions) that might lead to incorrect matching decisions. These variabilities can be measured in terms of face image quality…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Philipp Terhörst , Malte Ihlefeld , Marco Huber , Naser Damer , Florian Kirchbuchner , Kiran Raja , Arjan Kuijper

Recently, deep learning based facial landmark detection has achieved great success. Despite this, we notice that the semantic ambiguity greatly degrades the detection performance. Specifically, the semantic ambiguity means that some…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Zhiwei Liu , Xiangyu Zhu , Guosheng Hu , Haiyun Guo , Ming Tang , Zhen Lei , Neil M. Robertson , Jinqiao Wang

Face alignment and 3D face reconstruction are traditionally accomplished as separated tasks. By exploring the strong correlation between 2D landmarks and 3D shapes, in contrast, we propose a joint face alignment and 3D face reconstruction…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Feng Liu , Qijun Zhao , Xiaoming Liu , Dan Zeng

Image pixel aliasing caused by insufficient sampling is a long-standing problem in the field of computer graphics. It has always been the goal of researchers to seek anti-aliasing algorithms with high speed and good effect. Due to the…

图形学 · 计算机科学 2022-03-09 Yuchen Zhong , Yuchi Huo , Rui Wang

This paper presents the first significant work on directly predicting 3D face landmarks on neural radiance fields (NeRFs). Our 3D coarse-to-fine Face Landmarks NeRF (FLNeRF) model efficiently samples from a given face NeRF with individual…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Hao Zhang , Tianyuan Dai , Yu-Wing Tai , Chi-Keung Tang