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This work focuses on complete 3D facial geometry prediction, including 3D facial alignment via 3D face modeling and face orientation estimation using the proposed multi-task, multi-modal, and multi-representation landmark refinement network…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Cho-Ying Wu , Qiangeng Xu , Ulrich Neumann

Face alignment is a classic problem in the computer vision field. Previous works mostly focus on sparse alignment with a limited number of facial landmark points, i.e., facial landmark detection. In this paper, for the first time, we aim at…

计算机视觉与模式识别 · 计算机科学 2017-09-06 Yaojie Liu , Amin Jourabloo , William Ren , Xiaoming Liu

Thermal face image analysis is favorable for certain circumstances. For example, illumination-sensitive applications, like nighttime surveillance; and privacy-preserving demanded access control. However, the inadequate study on thermal face…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Jin Keong , Xingbo Dong , Zhe Jin , Khawla Mallat , Jean-Luc Dugelay

Many genus-0 surface mapping tasks such as landmark alignment, feature matching, and image-driven registration, can be reduced (via an initial spherical conformal map) to optimizing a spherical self-homeomorphism with controlled distortion.…

图形学 · 计算机科学 2026-02-05 Zhehao Xu , Lok Ming Lui

Registration is an essential tool in image analysis. Deep learning based alternatives have recently become popular, achieving competitive performance at a faster speed. However, many contemporary techniques are limited to volumetric…

图像与视频处理 · 电气工程与系统科学 2021-09-29 Balder Croquet , Daan Christiaens , Seth M. Weinberg , Michael Bronstein , Dirk Vandermeulen , Peter Claes

Previous works have shown that face recognition with high accurate 3D data is more reliable and insensitive to pose and illumination variations. Recently, low-cost and portable 3D acquisition techniques like ToF(Time of Flight) and DoE…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Yang Tan , Hongxin Lin , Zelin Xiao , Shengyong Ding , Hongyang Chao

Surface registration is one of the most fundamental problems in geometry processing. Many approaches have been developed to tackle this problem in cases where the surfaces are nearly isometric. However, it is much more challenging to…

数值分析 · 数学 2018-09-21 Stefan C. Schonsheck , Michael M. Bronstein , Rongjie Lai

We propose the Topology-Preserving Segmentation Network, a deformation-based model that can extract objects in an image while maintaining their topological properties. This network generates segmentation masks that have the same topology as…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Han Zhang , Lok Ming Lui

In this paper, we examine 3 important issues in the practical use of state-of-the-art facial landmark detectors and show how a combination of specific architectural modifications can directly improve their accuracy and temporal stability.…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Prashanth Chandran , Gaspard Zoss , Paulo Gotardo , Derek Bradley

Scene graphs have been recently introduced into 3D spatial understanding as a comprehensive representation of the scene. The alignment between 3D scene graphs is the first step of many downstream tasks such as scene graph aided point cloud…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Yaxu Xie , Alain Pagani , Didier Stricker

3D face recognition has shown its potential in many application scenarios. Among numerous 3D face recognition methods, deep-learning-based methods have developed vigorously in recent years. In this paper, an end-to-end deep learning network…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Yi Yu , Feipeng Da , Ziyu Zhang

In this study, we show that landmark detection or face alignment task is not a single and independent problem. Instead, its robustness can be greatly improved with auxiliary information. Specifically, we jointly optimize landmark detection…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

How to extract significant point cloud features and estimate the pose between them remains a challenging question, due to the inherent lack of structure and ambiguous order permutation of point clouds. Despite significant improvements in…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Zhu Xu , Zhengyao Bai , Huijie Liu , Qianjie Lu , Shenglan Fan

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

Diffeomorphic deformable image registration is crucial in many medical image studies, as it offers unique, special properties including topology preservation and invertibility of the transformation. Recent deep learning-based deformable…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Tony C. W. Mok , Albert C. S. Chung

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…

计算机视觉与模式识别 · 计算机科学 2015-01-21 Yuting Zhang , Kui Jia , Yueming Wang , Gang Pan , Tsung-Han Chan , Yi Ma

Recognizing the expressions of partially occluded faces is a challenging computer vision problem. Previous expression recognition methods, either overlooked this issue or resolved it using extreme assumptions. Motivated by the fact that the…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Hui Ding , Peng Zhou , Rama Chellappa

Face alignment aims to estimate the locations of a set of landmarks for a given image. This problem has received much attention as evidenced by the recent advancement in both the methodology and performance. However, most of the existing…

计算机视觉与模式识别 · 计算机科学 2015-06-12 Amin Jourabloo , Xiaoming Liu

Although developed functional magnetic resonance imaging (fMRI) registration algorithms based on deep learning have achieved a certain degree of alignment of functional area, they underutilized fine structural information. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2024-09-27 Baolong Li , Yuhu Shi , Lei Wang , Weiming Zeng , Changming Zhu

Landmark detection algorithms trained on high resolution images perform poorly on datasets containing low resolution images. This deters the performance of algorithms relying on quality landmarks, for example, face recognition. To the best…

计算机视觉与模式识别 · 计算机科学 2019-08-01 Amit Kumar , Rama Chellappa