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We present an algorithm for extracting key-point descriptors using deep convolutional neural networks (CNN). Unlike many existing deep CNNs, our model computes local features around a given point in an image. We also present a face…

Computer Vision and Pattern Recognition · Computer Science 2016-02-01 Amit Kumar , Rajeev Ranjan , Vishal Patel , Rama Chellappa

Facial landmarks are highly correlated with each other since a certain landmark can be estimated by its neighboring landmarks. Most of the existing deep learning methods only use one fully-connected layer called shape prediction layer to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Zhiwen Shao , Hengliang Zhu , Xin Tan , Yangyang Hao , Lizhuang Ma

Understanding 3D object shapes necessitates shape representation by object parts abstracted from results of instance and semantic segmentation. Promising shape representations enable computers to interpret a shape with meaningful parts and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Jiaxin Li , Hongxing Wang , Jiawei Tan , Zhilong Ou , Junsong Yuan

The interpretation of seismic data is vital for characterizing sediments' shape in areas of geological study. In seismic interpretation, deep learning becomes useful for reducing the dependence on handcrafted facies segmentation geometry…

Image and Video Processing · Electrical Eng. & Systems 2022-04-20 Gefersom Lima , Gabriel Ramos , Sandro Rigo , Felipe Zeiser , Ariane da Silveira

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

Plenty of effective methods have been proposed for face recognition during the past decade. Although these methods differ essentially in many aspects, a common practice of them is to specifically align the facial area based on the prior…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Yuanyi Zhong , Jiansheng Chen , Bo Huang

Developing a reliable and practical face recognition system is a long-standing goal in computer vision research. Existing literature suggests that pixel-wise face alignment is the key to achieve high-accuracy face recognition. By assuming a…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Yuting Zhang , Kui Jia , Yueming Wang , Gang Pan , Tsung-Han Chan , Yi Ma

In this work we present a face alignment pipeline based on two novel methods: weighted splitting for K-cluster Regression Forests and 3D Affine Pose Regression for face shape initialization. Our face alignment method is based on the Local…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Marek Kowalski , Jacek Naruniec

Recent works on 6D object pose estimation focus on learning keypoint correspondences between images and object models, and then determine the object pose through RANSAC-based algorithms or by directly regressing the pose with end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Jaime Corsetti , Davide Boscaini , Fabio Poiesi

We propose a data-driven method for recovering miss-ing parts of 3D shapes. Our method is based on a new deep learning architecture consisting of two sub-networks: a global structure inference network and a local geometry refinement…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Xiaoguang Han , Zhen Li , Haibin Huang , Evangelos Kalogerakis , Yizhou Yu

Facial landmark localization plays a critical role in face recognition and analysis. In this paper, we propose a novel cascaded backbone-branches fully convolutional neural network~(BB-FCN) for rapidly and accurately localizing facial…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Lingbo Liu , Guanbin Li , Yuan Xie , Yizhou Yu , Qing Wang , Liang Lin

In this paper, we propose a method, called GridFace, to reduce facial geometric variations and improve the recognition performance. Our method rectifies the face by local homography transformations, which are estimated by a face…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Erjin Zhou , Zhimin Cao , Jian Sun

The process of aligning a pair of shapes is a fundamental operation in computer graphics. Traditional approaches rely heavily on matching corresponding points or features to guide the alignment, a paradigm that falters when significant…

Graphics · Computer Science 2018-11-01 Rana Hanocka , Noa Fish , Zhenhua Wang , Raja Giryes , Shachar Fleishman , Daniel Cohen-Or

In this work we use deep learning to establish dense correspondences between a 3D object model and an image "in the wild". We introduce "DenseReg", a fully-convolutional neural network (F-CNN) that densely regresses at every foreground…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Riza Alp Guler , Yuxiang Zhou , George Trigeorgis , Epameinondas Antonakos , Patrick Snape , Stefanos Zafeiriou , Iasonas Kokkinos

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…

Computer Vision and Pattern Recognition · Computer Science 2014-07-08 Jianguo Li , Yurong Chen

There is an urgent need to apply face alignment in a memory-efficient and real-time manner due to the recent explosion of face recognition applications. However, impact factors such as large pose variation and computational inefficiency,…

Computer Vision and Pattern Recognition · Computer Science 2019-11-04 Bin Sun , Ming Shao , Siyu Xia , Yun Fu

With the development of the super-resolution convolutional neural network (SRCNN), deep learning technique has been widely applied in the field of image super-resolution. Previous works mainly focus on optimizing the structure of SRCNN,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Jianwei Zhang , zhenxing Wang , yuhui Zheng , Guoqing Zhang

Top-performing landmark estimation algorithms are based on exploiting the excellent ability of large convolutional neural networks (CNNs) to represent local appearance. However, it is well known that they can only learn weak spatial…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Andrés Prados-Torreblanca , José M. Buenaposada , Luis Baumela

Consistency Guided Scene Flow Estimation (CGSF) is a self-supervised framework for the joint reconstruction of 3D scene structure and motion from stereo video. The model takes two temporal stereo pairs as input, and predicts disparity and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Yuhua Chen , Luc Van Gool , Cordelia Schmid , Cristian Sminchisescu

Graph alignment, the problem of identifying corresponding nodes across multiple graphs, is fundamental to numerous applications. Most existing unsupervised methods embed node features into latent representations to enable cross-graph…

Machine Learning · Computer Science 2025-09-30 Maysam Behmanesh , Erkan Turan , Maks Ovsjanikov