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Face analysis techniques have become a crucial component of human-machine interaction in the fields of assistive and humanoid robotics. However, the variations in head-pose that arise naturally in these environments are still a great…

Computer Vision and Pattern Recognition · Computer Science 2016-06-03 Michael Grupp , Philipp Kopp , Patrik Huber , Matthias Rätsch

Generic face detection algorithms do not perform well in the mobile domain due to significant presence of occluded and partially visible faces. One promising technique to handle the challenge of partial faces is to design face detectors…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Upal Mahbub , Sayantan Sarkar , Rama Chellappa

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…

Even though 3D face reconstruction has achieved impressive progress, most orthogonal projection-based face reconstruction methods can not achieve accurate and consistent reconstruction results when the face is very close to the camera due…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Jia Guo , Jinke Yu , Alexandros Lattas , Jiankang Deng

Recently, Generative Adversarial Networks (GANs) and image manipulating methods are becoming more powerful and can produce highly realistic face images beyond human recognition which have raised significant concerns regarding the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Kritaphat Songsri-in , Stefanos Zafeiriou

Although current face alignment algorithms have obtained pretty good performances at predicting the location of facial landmarks, huge challenges remain for faces with severe occlusion and large pose variations, etc. On the contrary,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Jinheng Xie , Jun Wan , Linlin Shen , Zhihui Lai

In this study, we propose a fast and accurate method to automatically localize anatomical landmarks in medical images. We employ a global-to-local localization approach using fully convolutional neural networks (FCNNs). First, a global FCNN…

We present Gaussian Splatting Alignment (GSA), a novel method for aligning two independent 3D Gaussian Splatting (3DGS) models via a similarity transformation (rotation, translation, and scale), even when they are of different objects in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Roy Amoyal , Oren Freifeld , Chaim Baskin

In real-world scenarios, many factors may harm face recognition performance, e.g., large pose, bad illumination,low resolution, blur and noise. To address these challenges, previous efforts usually first restore the low-quality faces to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Xiaoguang Tu , Jian Zhao , Qiankun Liu , Wenjie Ai , Guodong Guo , Zhifeng Li , Wei Liu , Jiashi Feng

Landmark localization is a challenging problem in computer vision with a multitude of applications. Recent deep learning based methods have shown improved results by regressing likelihood maps instead of regressing the coordinates directly.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Brian Teixeira , Birgi Tamersoy , Vivek Singh , Ankur Kapoor

The large pose discrepancy between two face images is one of the fundamental challenges in automatic face recognition. Conventional approaches to pose-invariant face recognition either perform face frontalization on, or learn a…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Luan Tran , Xi Yin , Xiaoming Liu

Landmark localization is an important first step towards geometric based vision research including subject identification. Considering this, we propose to use 3D facial landmarks for the task of subject identification, over a range of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Sk Rahatul Jannat , Diego Fabiano , Shaun Canavan , Tempestt Neal

The detection of fiducial points on faces has significantly been favored by the rapid progress in the field of machine learning, in particular in the convolution networks. However, the accuracy of most of the detectors strongly depends on…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Bruna Vieira Frade , Erickson R. Nascimento

In this paper, we propose a novel space-time geometric representation of human landmark configurations and derive tools for comparison and classification. We model the temporal evolution of landmarks as parametrized trajectories on the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Anis Kacem , Mohamed Daoudi , Boulbaba Ben Amor , Stefano Berretti , Juan Carlos Alvarez-Paiva

In this work, we propose a method for object recognition and pose estimation from depth images using convolutional neural networks. Previous methods addressing this problem rely on manifold learning to learn low dimensional viewpoint…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Mai Bui , Sergey Zakharov , Shadi Albarqouni , Slobodan Ilic , Nassir Navab

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…

Computer Vision and Pattern Recognition · Computer Science 2017-02-10 Zongping Deng , Ke Li , Qijun Zhao , Yi Zhang , Hu Chen

Traditional face alignment based on machine learning usually tracks the localizations of facial landmarks employing a static model trained offline where all of the training data is available in advance. When new training samples arrive, the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Lin Feng , Caifeng Liu , Shenglan Liu , Huibing Wang

Recently, deep learning-based facial landmark detection for in-the-wild faces has achieved significant improvement. However, there are still challenges in face landmark detection in other domains (e.g. cartoon, caricature, etc). This is due…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Yuanming Li , Gwantae Kim , Jeong-gi Kwak , Bon-hwa Ku , Hanseok Ko

Facial expression recognition (FER) is a crucial task in computer vision with wide range of applications including human computer interaction, surveillance, and assistive technologies. However, challenges such as occlusion, expression…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Debasis Maji , Debaditya Barman

Linear regression is a fundamental building block in many face detection and tracking algorithms, typically used to predict shape displacements from image features through a linear mapping. This paper presents a Functional Regression…

Computer Vision and Pattern Recognition · Computer Science 2017-09-21 Enrique Sánchez-Lozano , Georgios Tzimiropoulos , Brais Martinez , Fernando De la Torre , Michel Valstar