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We address the task of 6D pose estimation of known rigid objects from single input images in scenarios where the objects are partly occluded. Recent RGB-D-based methods are robust to moderate degrees of occlusion. For RGB inputs, no…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Omid Hosseini Jafari , Siva Karthik Mustikovela , Karl Pertsch , Eric Brachmann , Carsten Rother

Occlusion is one of the challenging issues when estimating 3D hand pose. This problem becomes more prominent when hand interacts with an object or two hands are involved. In the past works, much attention has not been given to these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Mallika Garg , Debashis Ghosh , Pyari Mohan Pradhan

Deep networks for visual recognition are known to leverage "easy to recognise" portions of objects such as faces and distinctive texture patterns. The lack of a holistic understanding of objects may increase fragility and overfitting. In…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Ruth Fong , Andrea Vedaldi

The typical bottom-up human pose estimation framework includes two stages, keypoint detection and grouping. Most existing works focus on developing grouping algorithms, e.g., associative embedding, and pixel-wise keypoint regression that we…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Ke Sun , Zigang Geng , Depu Meng , Bin Xiao , Dong Liu , Zhaoxiang Zhang , Jingdong Wang

This work investigates the impact of the loss function on the performance of Neural Networks, in the context of a monocular, RGB-only, image localization task. A common technique used when regressing a camera's pose from an image is to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Isaac Ronald Ward , M. A. Asim K. Jalwana , Mohammed Bennamoun

We present a new learning-based method for multi-frame depth estimation from a color video, which is a fundamental problem in scene understanding, robot navigation or handheld 3D reconstruction. While recent learning-based methods estimate…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Xiaoxiao Long , Lingjie Liu , Christian Theobalt , Wenping Wang

We present a novel deep learning approach to synthesize complete face images in the presence of large ocular region occlusions. This is motivated by recent surge of VR/AR displays that hinder face-to-face communications. Different from the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Yajie Zhao , Weikai Chen , Jun Xing , Xiaoming Li , Zach Bessinger , Fuchang Liu , Wangmeng Zuo , Ruigang Yang

A key challenge in the task of human pose and shape estimation is occlusion, including self-occlusions, object-human occlusions, and inter-person occlusions. The lack of diverse and accurate pose and shape training data becomes a major…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Kaibing Yang , Renshu Gu , Maoyu Wang , Masahiro Toyoura , Gang Xu

Visual localization aims to determine the camera pose of a query image relative to a database of posed images. In recent years, deep neural networks that directly regress camera poses have gained popularity due to their fast inference…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Siyan Dong , Shuzhe Wang , Shaohui Liu , Lulu Cai , Qingnan Fan , Juho Kannala , Yanchao Yang

Category-level 6D pose estimation, aiming to predict the location and orientation of unseen object instances, is fundamental to many scenarios such as robotic manipulation and augmented reality, yet still remains unsolved. Precisely…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Jiaze Wang , Kai Chen , Qi Dou

Human face pose estimation aims at estimating the gazing direction or head postures with 2D images. It gives some very important information such as communicative gestures, saliency detection and so on, which attracts plenty of attention…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Chaoqun Hong , Jun Yu

In this paper we present a generalized Deep Learning-based approach for solving ill-posed large-scale inverse problems occuring in medical image reconstruction. Recently, Deep Learning methods using iterative neural networks and cascaded…

Image and Video Processing · Electrical Eng. & Systems 2020-08-26 Andreas Kofler , Markus Haltmeier , Tobias Schaeffter , Marc Kachelrieß , Marc Dewey , Christian Wald , Christoph Kolbitsch

Occlusion in face recognition is a common yet challenging problem. While sparse representation based classification (SRC) has been shown promising performance in laboratory conditions (i.e. noiseless or random pixel corrupted), it performs…

Computer Vision and Pattern Recognition · Computer Science 2015-07-28 Yandong Wen , Weiyang Liu , Meng Yang , Yuli Fu , Youjun Xiang , Rui Hu

We propose a straightforward method that simultaneously reconstructs the 3D facial structure and provides dense alignment. To achieve this, we design a 2D representation called UV position map which records the 3D shape of a complete face…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Yao Feng , Fan Wu , Xiaohu Shao , Yanfeng Wang , Xi Zhou

In obstetric ultrasound (US) scanning, the learner's ability to mentally build a three-dimensional (3D) map of the fetus from a two-dimensional (2D) US image represents a significant challenge in skill acquisition. We aim to build a US…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Chiara Di Vece , Maela Le Lous , Brian Dromey , Francisco Vasconcelos , Anna L David , Donald Peebles , Danail Stoyanov

3D face reconstruction is a fundamental Computer Vision problem of extraordinary difficulty. Current systems often assume the availability of multiple facial images (sometimes from the same subject) as input, and must address a number of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Aaron S. Jackson , Adrian Bulat , Vasileios Argyriou , Georgios Tzimiropoulos

Even though 3D face reconstruction has achieved impressive progress, most orthogonal projection-based face reconstruction methods can not achieve accurate and consistent reconstruction results when the face is very close to the camera due…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Jia Guo , Jinke Yu , Alexandros Lattas , Jiankang Deng

Human Pose estimation is a challenging problem, especially in the case of 3D pose estimation from 2D images due to many different factors like occlusion, depth ambiguities, intertwining of people, and in general crowds. 2D multi-person…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Rohit Jena

Face alignment algorithms locate a set of landmark points in images of faces taken in unrestricted situations. State-of-the-art approaches typically fail or lose accuracy in the presence of occlusions, strong deformations, large pose…

Computer Vision and Pattern Recognition · Computer Science 2019-12-16 Roberto Valle , José M. Buenaposada , Antonio Valdés , Luis Baumela

Relighting of human images has various applications in image synthesis. For relighting, we must infer albedo, shape, and illumination from a human portrait. Previous techniques rely on human faces for this inference, based on spherical…

Graphics · Computer Science 2019-08-12 Yoshihiro Kanamori , Yuki Endo