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Related papers: Learning Pose Image Manifolds Using Geometry-Prese…

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Pose estimation, i.e. predicting a 3D rigid transformation with respect to a fixed co-ordinate frame in, SE(3), is an omnipresent problem in medical image analysis with applications such as: image rigid registration, anatomical standard…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Benjamin Hou , Nina Miolane , Bishesh Khanal , Matthew C. H. Lee , Amir Alansary , Steven McDonagh , Jo V. Hajnal , Daniel Rueckert , Ben Glocker , Bernhard Kainz

The problem of identifying geometric structure in data is a cornerstone of (unsupervised) learning. As a result, Geometric Representation Learning has been widely applied across scientific and engineering domains. In this work, we…

Machine Learning · Computer Science 2025-06-03 Imran Nasim , Melanie Weber

Visual odometry (VO) and SLAM have been using multi-view geometry via local structure from motion for decades. These methods have a slight disadvantage in challenging scenarios such as low-texture images, dynamic scenarios, etc. Meanwhile,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Akankshya Kar , Sajal Maheshwari , Shamit Lal , Vinay Sameer Raja Kad

This paper is on face/head reenactment where the goal is to transfer the facial pose (3D head orientation and expression) of a target face to a source face. Previous methods focus on learning embedding networks for identity and pose…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Stella Bounareli , Vasileios Argyriou , Georgios Tzimiropoulos

Humans can build a mental map of a geographical area to find their way and recognize places. The basic task we consider is geo-localization - finding the pose (position & orientation) of a camera in a large 3D scene from a single image. We…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Moti Kadosh , Yael Moses , Ariel Shamir

The impressive success of style-based GANs (StyleGANs) in high-fidelity image synthesis has motivated research to understand the semantic properties of their latent spaces. In this paper, we approach this problem through a geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Jaewoong Choi , Geonho Hwang , Hyunsoo Cho , Myungjoo Kang

Recovering structure and motion parameters given a image pair or a sequence of images is a well studied problem in computer vision. This is often achieved by employing Structure from Motion (SfM) or Simultaneous Localization and Mapping…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Thanuja Dharmasiri , Andrew Spek , Tom Drummond

3D human pose estimation from a single image is still a challenging problem despite the large amount of work that has been performed in this field. Generally, most methods directly use neural networks and ignore certain constraints (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Yicheng Deng , Cheng Sun , Yongqi Sun , Jiahui Zhu

Neural samplers such as variational autoencoders (VAEs) or generative adversarial networks (GANs) approximate distributions by transforming samples from a simple random source---the latent space---to samples from a more complex distribution…

Machine Learning · Statistics 2018-02-09 Nutan Chen , Alexej Klushyn , Richard Kurle , Xueyan Jiang , Justin Bayer , Patrick van der Smagt

Non-Euclidean constraints are inherent in many kinds of data in computer vision and machine learning, typically as a result of specific invariance requirements that need to be respected during high-level inference. Often, these geometric…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Suhas Lohit , Pavan Turaga

Manifold learning techniques have become increasingly valuable as data continues to grow in size. By discovering a lower-dimensional representation (embedding) of the structure of a dataset, manifold learning algorithms can substantially…

Neural and Evolutionary Computing · Computer Science 2020-01-31 Andrew Lensen , Mengjie Zhang , Bing Xue

We propose a novel approach to jointly perform 3D shape retrieval and pose estimation from monocular images.In order to make the method robust to real-world image variations, e.g. complex textures and backgrounds, we learn an embedding…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Kyaw Zaw Lin , Weipeng Xu , Qianru Sun , Christian Theobalt , Tat-Seng Chua

We present Pose-NDF, a continuous model for plausible human poses based on neural distance fields (NDFs). Pose or motion priors are important for generating realistic new poses and for reconstructing accurate poses from noisy or partial…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Garvita Tiwari , Dimitrije Antic , Jan Eric Lenssen , Nikolaos Sarafianos , Tony Tung , Gerard Pons-Moll

Current approaches in video forecasting attempt to generate videos directly in pixel space using Generative Adversarial Networks (GANs) or Variational Autoencoders (VAEs). However, since these approaches try to model all the structure and…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Jacob Walker , Kenneth Marino , Abhinav Gupta , Martial Hebert

We present a self-supervised learning approach to learning monocular 3D face reconstruction with a pose guidance network (PGN). First, we unveil the bottleneck of pose estimation in prior parametric 3D face learning methods, and propose to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Pengpeng Liu , Xintong Han , Michael Lyu , Irwin King , Jia Xu

Nonlinear manifold learning from unorganized data points is a very challenging unsupervised learning and data visualization problem with a great variety of applications. In this paper we present a new algorithm for manifold learning and…

Machine Learning · Computer Science 2016-08-31 Zhenyue Zhang , Hongyuan Zha

Generative Adversarial Networks (GANs) have emerged as a significant player in generative modeling by mapping lower-dimensional random noise to higher-dimensional spaces. These networks have been used to generate high-resolution images and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Satya Pratheek Tata , Subhankar Mishra

Data living on manifolds commonly appear in many applications. Often this results from an inherently latent low-dimensional system being observed through higher dimensional measurements. We show that under certain conditions, it is possible…

Machine Learning · Statistics 2018-07-05 Ariel Schwartz , Ronen Talmon

Modern deep learning developments create new opportunities for 3D mapping technology, scene reconstruction pipelines, and virtual reality development. Despite advances in 3D deep learning technology, direct training of deep learning models…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Xueyang Kang

Landmark/pose estimation in single monocular images have received much effort in computer vision due to its important applications. It remains a challenging task when input images severe occlusions caused by, e.g., adverse camera views.…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Yu Chen , Chunhua Shen , Hao Chen , Xiu-Shen Wei , Lingqiao Liu , Jian Yang