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The ability to correctly classify and retrieve apparel images has a variety of applications important to e-commerce, online advertising and internet search. In this work, we propose a robust framework for fine-grained apparel…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Aniket Bhatnagar , Sanchit Aggarwal

Marker-free human pose estimation (HPE) has found increasing applications in various fields. Current HPE suffers from occasional errors in keypoint recognition and random fluctuation in keypoint trajectories when analyzing kinematic human…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Chang Peng , Yifei Zhou , Huifeng Xi , Shiqing Huang , Chuangye Chen , Jianming Yang , Bao Yang , Zhenyu Jiang

We present an unsupervised approach for learning to estimate three dimensional (3D) facial structure from a single image while also predicting 3D viewpoint transformations that match a desired pose and facial geometry. We achieve this by…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Joel Ruben Antony Moniz , Christopher Beckham , Simon Rajotte , Sina Honari , Christopher Pal

Direct prediction of 3D body pose and shape remains a challenge even for highly parameterized deep learning models. Mapping from the 2D image space to the prediction space is difficult: perspective ambiguities make the loss function noisy…

Computer Vision and Pattern Recognition · Computer Science 2018-08-20 Mohamed Omran , Christoph Lassner , Gerard Pons-Moll , Peter V. Gehler , Bernt Schiele

Human pose estimation (HPE) usually requires large-scale training data to reach high performance. However, it is rather time-consuming to collect high-quality and fine-grained annotations for human body. To alleviate this issue, we revisit…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Xixia Xu , Yingguo Gao , Ke Yan , Xue Lin , Qi Zou

The automatic intensity estimation of facial action units (AUs) from a single image plays a vital role in facial analysis systems. One big challenge for data-driven AU intensity estimation is the lack of sufficient AU label data. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Xinhui Song , Tianyang Shi , Tianjia Shao , Yi Yuan , Zunlei Feng , Changjie Fan

Deep neural networks with alternating convolutional, max-pooling and decimation layers are widely used in state of the art architectures for computer vision. Max-pooling purposefully discards precise spatial information in order to create…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Sina Honari , Jason Yosinski , Pascal Vincent , Christopher Pal

Fine-grained image recognition is very challenging due to the difficulty of capturing both semantic global features and discriminative local features. Meanwhile, these two features are not easy to be integrated, which are even conflicting…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 Shaokang Yang , Shuai Liu , Cheng Yang , Changhu Wang

Solving the camera-to-robot pose is a fundamental requirement for vision-based robot control, and is a process that takes considerable effort and cares to make accurate. Traditional approaches require modification of the robot via markers,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Jingpei Lu , Florian Richter , Michael C. Yip

Full 3D human pose reconstruction is a critical enabler for extended reality (XR) applications in future sixth generation (6G) networks, supporting immersive interactions in gaming, virtual meetings, and remote collaboration. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Nguyen Quang Hieu , Dinh Thai Hoang , Diep N. Nguyen , Mohammad Abu Alsheikh , Carlos C. N. Kuhn , Yibeltal F. Alem , Ibrahim Radwan

Deep learning has been applied to camera relocalization, in particular, PoseNet and its extended work are the convolutional neural networks which regress the camera pose from a single image. However there are many problems, one of them is…

Robotics · Computer Science 2018-02-27 Qiang Fang , Tianjiang Hu

In this work we propose a novel deep-learning approach for age estimation based on face images. We first introduce a dual image augmentation-aggregation approach based on attention. This allows the network to jointly utilize multiple face…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Shakediel Hiba , Yosi Keller

Heatmap regression has been used for landmark localization for quite a while now. Most of the methods use a very deep stack of bottleneck modules for heatmap classification stage, followed by heatmap regression to extract the keypoints. In…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Amit Kumar , Rama Chellappa

Many head pose estimation (HPE) methods promise the ability to create full-range datasets, theoretically allowing the estimation of the rotation and positioning of the head from various angles. However, these methods are only accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Huei-Chung Hu , Xuyang Wu , Haowei Liu , Ting-Ruen Wei , Hsin-Tai Wu

Human pose estimation (HPE) is one of the most challenging tasks in computer vision as humans are deformable by nature and thus their pose has so much variance. HPE aims to correctly identify the main joint locations of a single person or…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Ahmed Elhagry , Mohamed Saeed , Musie Araia

Localization of salient facial landmark points, such as eye corners or the tip of the nose, is still considered a challenging computer vision problem despite recent efforts. This is especially evident in unconstrained environments, i.e., in…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Nenad Markuš , Miroslav Frljak , Igor S. Pandžić , Jörgen Ahlberg , Robert Forchheimer

We propose a viewpoint invariant model for 3D human pose estimation from a single depth image. To achieve this, our discriminative model embeds local regions into a learned viewpoint invariant feature space. Formulated as a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Albert Haque , Boya Peng , Zelun Luo , Alexandre Alahi , Serena Yeung , Li Fei-Fei

Modern deep learning systems successfully solve many perception tasks such as object pose estimation when the input image is of high quality. However, in challenging imaging conditions such as on low-resolution images or when the image is…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Sergey Prokudin , Peter Gehler , Sebastian Nowozin

We propose a novel landmarks-assisted collaborative end-to-end deep framework for automatic 4D FER. Using 4D face scan data, we calculate its various geometrical images, and afterwards use rank pooling to generate their dynamic images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

This paper addresses the problem of analysing the performance of 3D face alignment (3DFA), or facial landmark localization. This task is usually supervised, based on annotated datasets. Nevertheless, in the particular case of 3DFA, the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Mostafa Sadeghi , Xavier Alameda-Pineda , Radu Horaud