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We propose a novel fine-grained cross-view localization method that estimates the 3 Degrees of Freedom pose of a ground-level image in an aerial image of the surroundings by matching fine-grained features between the two images. The pose is…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zimin Xia , Alexandre Alahi

The past few years have witnessed great progress in the domain of face recognition thanks to advances in deep learning. However, cross pose face recognition remains a significant challenge. It is difficult for many deep learning algorithms…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Junyang Huang , Changxing Ding

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…

Computer Vision and Pattern Recognition · Computer Science 2015-11-23 Shizhan Zhu , Cheng Li , Chen Change Loy , Xiaoou Tang

Biometric facial recognition models often demonstrate significant decreases in accuracy when processing real-world images, often characterized by poor quality, non-frontal subject poses, and subject occlusions. We investigate whether…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Justin Norman , Hany Farid

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

Head pose estimation plays a vital role in various applications, e.g., driverassistance systems, human-computer interaction, virtual reality technology, and so on. We propose a novel geometry based algorithm for accurately estimating the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Hui Yuan , Mengyu Li , Junhui Hou , Jimin Xiao

Kernel image regression methods have shown to provide excellent efficiency in many image processing task, such as image and light-field compression, Gaussian Splatting, denoising and super-resolution. The estimation of parameters for these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Yi-Hsin Li , Sebastian Knorr , Mårten Sjöström , Thomas Sikora

An ability to generalize unconstrained conditions such as severe occlusions and large pose variations remains a challenging goal to achieve in face alignment. In this paper, a multistage model based on deep neural networks is proposed which…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Huabin Wang , Rui Cheng , Jian Zhou , Liang Tao , Hon Keung Kwan

The problem of face alignment has been intensively studied in the past years. A large number of novel methods have been proposed and reported very good performance on benchmark dataset such as 300W. However, the differences in the…

Computer Vision and Pattern Recognition · Computer Science 2015-11-17 Heng Yang , Xuhui Jia , Chen Change Loy , Peter Robinson

In this work, we propose a novel node splitting method for regression trees and incorporate it into the regression forest framework. Unlike traditional binary splitting, where the splitting rule is selected from a predefined set of binary…

Computer Vision and Pattern Recognition · Computer Science 2014-07-16 Kota Hara , Rama Chellappa

This paper describes our submission to the 1st 3D Face Alignment in the Wild (3DFAW) Challenge. Our method builds upon the idea of convolutional part heatmap regression [1], extending it for 3D face alignment. Our method decomposes the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Adrian Bulat , Georgios Tzimiropoulos

Accurate face parsing under extreme viewing angles remains a significant challenge due to limited labeled data in such poses. Manual annotation is costly and often impractical at scale. We propose a novel label refinement pipeline that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Ankit Gahlawat , Anirban Mukherjee , Dinesh Babu Jayagopi

Face frontalization consists of synthesizing a frontally-viewed face from an arbitrarily-viewed one. The main contribution of this paper is a robust face alignment method that enables pixel-to-pixel warping. The method simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Zhiqi Kang , Mostafa Sadeghi , Radu Horaud

Domain Generalizable Face Anti-Spoofing (DGFAS) methods effectively capture domain-invariant features by aligning the directions (weights) of local decision boundaries across domains. However, the bias terms associated with these boundaries…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Seungjin Jung , Kanghee Lee , Yonghyun Jeong , Haeun Noh , Jungmin Lee , Jongwon Choi

Age estimation from facial images is typically cast as a nonlinear regression problem. The main challenge of this problem is the facial feature space w.r.t. ages is heterogeneous, due to the large variation in facial appearance across…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Wei Shen , Yilu Guo , Yan Wang , Kai Zhao , Bo Wang , Alan Yuille

Keypoint detection is one of the most important pre-processing steps in tasks such as face modeling, recognition and verification. In this paper, we present an iterative method for Keypoint Estimation and Pose prediction of unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2017-02-17 Amit Kumar , Azadeh Alavi , Rama Chellappa

Model-based human pose estimation is currently approached through two different paradigms. Optimization-based methods fit a parametric body model to 2D observations in an iterative manner, leading to accurate image-model alignments, but are…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Nikos Kolotouros , Georgios Pavlakos , Michael J. Black , Kostas Daniilidis

In this paper we present a novel joint approach for optimising surface curvature and pose alignment. We present two implementations of this joint optimisation strategy, including a fast implementation that uses two frames and an offline…

Computer Vision and Pattern Recognition · Computer Science 2017-07-17 Andrew Spek , Tom Drummond

Although multi-view unsupervised feature selection (MUFS) has demonstrated success in dimensionality reduction for unlabeled multi-view data, most existing methods reduce feature redundancy by focusing on linear correlations among features…

Machine Learning · Computer Science 2026-01-30 Yalan Tan , Yanyong Huang , Zongxin Shen , Dongjie Wang , Fengmao Lv , Tianrui Li

Precise initialization plays a critical role in the performance of localization algorithms, especially in the context of robotics, autonomous driving, and computer vision. Poor localization accuracy is often a consequence of inaccurate…

Robotics · Computer Science 2025-05-15 Srinivas Ravuri , Yuan Xu , Martin Ludwig Zehetner , Ketan Motlag , Sahin Albayrak