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Image registration is a process of aligning two or more images of same objects using geometric transformation. Most of the existing approaches work on the assumption of location invariance. These approaches require object-centric images to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Deepak Mishra , Rajeev Ranjan , Santanu Chaudhury , Mukul Sarkar , Arvinder Singh Soin

In this paper, we present a deep regression approach for face alignment. The deep architecture consists of a global layer and multi-stage local layers. We apply the back-propagation algorithm with the dropout strategy to jointly optimize…

Computer Vision and Pattern Recognition · Computer Science 2014-09-19 Baoguang Shi , Xiang Bai , Wenyu Liu , Jingdong Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2015-06-12 Amin Jourabloo , Xiaoming Liu

The creation of high-fidelity, digital versions of human heads is an important stepping stone in the process of further integrating virtual components into our everyday lives. Constructing such avatars is a challenging research problem, due…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Simon Giebenhain , Tobias Kirschstein , Martin Rünz , Lourdes Agapito , Matthias Nießner

The topic of stitching images with globally natural structures holds paramount significance, with two main goals: pixel-level alignment and distortion prevention. The existing approaches exhibit the ability to align well, yet fall short in…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Wenxiao Cai , Wankou Yang

Dense surface registration of three-dimensional (3D) human facial images holds great potential for studies of human trait diversity, disease genetics, and forensics. Non-rigid registration is particularly useful for establishing dense…

Computer Vision and Pattern Recognition · Computer Science 2012-12-21 Jianya Guo , Xi Mei , Kun Tang

We propose a method that morphs high-orger meshes such that their boundaries and interfaces coincide/align with implicitly defined geometries. Our focus is particularly on the case when the target surface is prescribed as the zero…

Computational Geometry · Computer Science 2023-02-17 Jorge-Luis Barrera , Tzanio Kolev , Ketan Mittal , Vladimir Tomov

Human mesh recovery (HMR) is crucial in many computer vision applications; from health to arts and entertainment. HMR from monocular images has predominantly been addressed by deterministic methods that output a single prediction for a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Muhammad Usama Saleem , Ekkasit Pinyoanuntapong , Pu Wang , Hongfei Xue , Srijan Das , Chen Chen

Generating speech-driven 3D talking heads presents numerous challenges; among those is dealing with varying mesh topologies where no point-wise correspondence exists across the meshes the model can animate. While previous literature works…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Federico Nocentini , Thomas Besnier , Claudio Ferrari , Sylvain Arguillere , Mohamed Daoudi , Stefano Berretti

3D meshes are fundamental data representations for capturing complex geometric shapes in computer vision and graphics applications. While Convolutional Neural Networks (CNNs) have excelled in structured data like images, extending them to…

Graphics · Computer Science 2025-07-09 Saqib Nazir , Olivier Lézoray , Sébastien Bougleux

Registering point clouds of dressed humans to parametric human models is a challenging task in computer vision. Traditional approaches often rely on heavily engineered pipelines that require accurate manual initialization of human poses and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Shaofei Wang , Andreas Geiger , Siyu Tang

One of the fundamental problems in computer vision is the two-frame relative pose optimization problem. Primarily, two different kinds of error values are used: photometric error and re-projection error. The selection of error value is…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Andreas L. Teigen , Annette Stahl , Rudolf Mester

Accurately recovering human pose and appearance from video is an essential component of scene reconstruction, with applications to motion capture, motion prediction, virtual reality, and digital twinning. Despite significant interest in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yeheng Zong , Pou-Chun Kung , Yike Pan , Seth Isaacson , Yizhou Chen , Ram Vasudevan , Katherine A. Skinner

We present Gaussian Pixel Codec Avatars (GPiCA), photorealistic head avatars that can be generated from multi-view images and efficiently rendered on mobile devices. GPiCA utilizes a unique hybrid representation that combines a triangle…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Divam Gupta , Anuj Pahuja , Nemanja Bartolovic , Tomas Simon , Forrest Iandola , Giljoo Nam

Representation Alignment (REPA) has emerged as a simple way to accelerate Diffusion Transformers training in latent space. At the same time, pixel-space diffusion transformers such as Just image Transformers (JiT) have attracted growing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jaeyo Shin , Jiwook Kim , Hyunjung Shim

Human-Object Interaction (HOI) recognition in videos is important for analyzing human activity. Most existing work focusing on visual features usually suffer from occlusion in the real-world scenarios. Such a problem will be further…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Tanqiu Qiao , Qianhui Men , Frederick W. B. Li , Yoshiki Kubotani , Shigeo Morishima , Hubert P. H. Shum

This paper introduces a new shape-matching methodology, combinative matching, to combine interlocking parts for geometric shape assembly. Previous methods for geometric assembly typically rely on aligning parts by finding identical surfaces…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Nahyuk Lee , Juhong Min , Junhong Lee , Chunghyun Park , Minsu Cho

In this paper, we argue that the problem of registering two sets of functional data, where the underlying mean function has sharp features, is not properly addressed by methods designed to align a bunch of growth curves data. We provide a…

Methodology · Statistics 2017-12-19 Dibyendu Bhaumik , Radhendushka Srivastava , Debasis Sengupta

What's the most accurate 3D model of your face you can obtain while sitting at your desk? We attempt to answer this question in our work. High fidelity face reconstructions have so far been limited to either studio settings or through…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Shubham Agrawal , Anuj Pahuja , Simon Lucey

Text-guided human pose editing has gained significant traction in AIGC applications. However,it remains plagued by structural anomalies and generative artifacts. Existing evaluation metrics often isolate authenticity detection from quality…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ningyu Sun , Zhaolin Cai , Zitong Xu , Peihang Chen , Huiyu Duan , Yichao Yan , Xiongkuo Min , Xiaokang Yang