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This paper introduces a novel real-time algorithm for facial landmark tracking. Compared to detection, tracking has both additional challenges and opportunities. Arguably the most important aspect in this domain is updating a tracker's…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Enrique Sánchez-Lozano , Brais Martinez , Georgios Tzimiropoulos , Michel Valstar

Tracking Facial Points in unconstrained videos is challenging due to the non-rigid deformation that changes over time. In this paper, we propose to exploit incremental learning for person-specific alignment in wild conditions. Our approach…

Computer Vision and Pattern Recognition · Computer Science 2016-09-12 Xi Peng , Qiong Hu , Junzhou Huang , Dimitris N. Metaxas

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

Despite much interest in face alignment in recent years, the large majority of work has focused on near-frontal faces. Algorithms typically break down on profile faces, or are too slow for real-time applications. In this work we propose an…

Computer Vision and Pattern Recognition · Computer Science 2016-11-11 Brandon M. Smith , Charles R. Dyer

Cascaded Regression (CR) based methods have been proposed to solve facial landmarks detection problem, which learn a series of descent directions by multiple cascaded regressors separately trained in coarse and fine stages. They outperform…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Tao Hu , Honggang Qi , Jizheng Xu , Qingming Huang

This paper presents a iterative optimization method, explicit shape regression, for face pose detection and localization. The regression function is learnt to find out the entire facial shape and minimize the alignment errors. A cascaded…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Wenye He

Despite recent progress, computational visual aesthetic is still challenging. Image cropping, which refers to the removal of unwanted scene areas, is an important step to improve the aesthetic quality of an image. However, it is challenging…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Guanjun Guo , Hanzi Wang , Chunhua Shen , Yan Yan , Hong-Yuan Mark Liao

Face detection and alignment in unconstrained environment are challenging due to various poses, illuminations and occlusions. Recent studies show that deep learning approaches can achieve impressive performance on these two tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Kaipeng Zhang , Zhanpeng Zhang , Zhifeng Li , Yu Qiao

Real-world face detection and alignment demand an advanced discriminative model to address challenges by pose, lighting and expression. Illuminated by the deep learning algorithm, some convolutional neural networks based face detection and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Weilin Cong , Sanyuan Zhao , Hui Tian , Jianbing Shen

To address the sequential changes of images including poses, in this paper we propose a recurrent regression neural network(RRNN) framework to unify two classic tasks of cross-pose face recognition on still images and video-based face…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Yang Li , Wenming Zheng , Zhen Cui

Although deep neural networks have achieved reasonable accuracy in solving face alignment, it is still a challenging task, specifically when we deal with facial images, under occlusion, or extreme head poses. Heatmap-based Regression (HBR)…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Ali Pourramezan Fard , Mohammad H. Mahoor

Face alignment, which is the task of finding the locations of a set of facial landmark points in an image of a face, is useful in widespread application areas. Face alignment is particularly challenging when there are large variations in…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Oncel Tuzel , Tim K. Marks , Salil Tambe

We propose a novel recurrent encoder-decoder network model for real-time video-based face alignment. Our proposed model predicts 2D facial point maps regularized by a regression loss, while uniquely exploiting recurrent learning at both…

Computer Vision and Pattern Recognition · Computer Science 2016-08-24 Xi Peng , Rogerio S. Feris , Xiaoyu Wang , Dimitris N. Metaxas

A major open problem on the road to artificial intelligence is the development of incrementally learning systems that learn about more and more concepts over time from a stream of data. In this work, we introduce a new training strategy,…

Computer Vision and Pattern Recognition · Computer Science 2017-04-17 Sylvestre-Alvise Rebuffi , Alexander Kolesnikov , Georg Sperl , Christoph H. Lampert

Robust facial landmark localization remains a challenging task when faces are partially occluded. Recently, the cascaded pose regression has attracted increasing attentions, due to it's superior performance in facial landmark localization…

Computer Vision and Pattern Recognition · Computer Science 2018-05-16 Yiyun Pan , Junwei Zhou , Yongsheng Gao , Shengwu Xiong

In this paper we propose a supervised initialization scheme for cascaded face alignment based on explicit head pose estimation. We first investigate the failure cases of most state of the art face alignment approaches and observe that these…

Computer Vision and Pattern Recognition · Computer Science 2015-07-21 Heng Yang , Wenxuan Mou , Yichi Zhang , Ioannis Patras , Hatice Gunes , Peter Robinson

Cascade regression framework has been shown to be effective for facial landmark detection. It starts from an initial face shape and gradually predicts the face shape update from the local appearance features to generate the facial landmark…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Yue Wu , Qiang Ji

Cascaded regression is prevailing in face alignment thanks to its accuracy and robustness, but typically demands manually annotated examples having low discrepancy between shape-indexed features and shape updates. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Xin Fan , Risheng Liu , Kang Huyan , Yuyao Feng , Zhongxuan Luo

Online Continual Learning (OCL) for image classification represents a challenging subset of Continual Learning, focusing on classifying images from a stream without assuming data independence and identical distribution (i.i.d). The primary…

Machine Learning · Computer Science 2026-03-24 Joe Khawand , David Colliaux

Face alignment is an active topic in computer vision, consisting in aligning a shape model on the face. To this end, most modern approaches refine the shape in a cascaded manner, starting from an initial guess. Those shape updates can…

Computer Vision and Pattern Recognition · Computer Science 2017-03-07 Arnaud Dapogny , Kévin Bailly , Séverine Dubuisson
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