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Recently, deep learning approaches have achieved promising results in various fields of computer vision. In this paper, we tackle the problem of head pose estimation through a Convolutional Neural Network (CNN). Differently from other…

Computer Vision and Pattern Recognition · Computer Science 2017-03-07 Marco Venturelli , Guido Borghi , Roberto Vezzani , Rita Cucchiara

We address the problem of camera pose estimation in visual localization. Current regression-based methods for pose estimation are trained and evaluated scene-wise. They depend on the coordinate frame of the training dataset and show a low…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Boris Chidlovskii , Assem Sadek

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

Over the last two decades, deep learning has transformed the field of computer vision. Deep convolutional networks were successfully applied to learn different vision tasks such as image classification, image segmentation, object detection…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Yoli Shavit , Ron Ferens

We propose a neural head reenactment system, which is driven by a latent pose representation and is capable of predicting the foreground segmentation alongside the RGB image. The latent pose representation is learned as a part of the entire…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Egor Burkov , Igor Pasechnik , Artur Grigorev , Victor Lempitsky

The ability of humans to infer head poses from face shapes, and vice versa, indicates a strong correlation between the two. Accordingly, recent studies on face alignment have employed head pose information to predict facial landmarks in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Jaehyun So , Youngjoon Han

While heatmap-based human pose estimation methods have shown strong performance, they suffer from three main problems: (P1) "Commonly used Mean Squared Error (MSE)" Loss may not always improve joint localization because it penalizes all…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Muhammed Can Keles , Bedrettin Cetinkaya , Sinan Kalkan , Emre Akbas

The performance of human pose estimation depends on the spatial accuracy of keypoint localization. Most existing methods pursue the spatial accuracy through learning the high-resolution (HR) representation from input images. By the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Hanbin Dai , Hailin Shi , Wu Liu , Linfang Wang , Yinglu Liu , Tao Mei

Unconstrained remote gaze tracking using off-the-shelf cameras is a challenging problem. Recently, promising algorithms for appearance-based gaze estimation using convolutional neural networks (CNN) have been proposed. Improving their…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Rajeev Ranjan , Shalini De Mello , Jan Kautz

Researches using margin based comparison loss demonstrate the effectiveness of penalizing the distance between face feature and their corresponding class centers. Despite their popularity and excellent performance, they do not explicitly…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Ying Huang , Shangfeng Qiu , Wenwei Zhang , Xianghui Luo , Jinzhuo Wang

In human-computer interaction, head pose estimation profoundly influences application functionality. Although utilizing facial landmarks is valuable for this purpose, existing landmark-based methods prioritize precision over simplicity and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Menan Velayuthan , Asiri Gawesha , Purushoth Velayuthan , Nuwan Kodagoda , Dharshana Kasthurirathna , Pradeepa Samarasinghe

Despite recent advances on the topic of direct camera pose regression using neural networks, accurately estimating the camera pose of a single RGB image still remains a challenging task. To address this problem, we introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Mai Bui , Christoph Baur , Nassir Navab , Slobodan Ilic , Shadi Albarqouni

Person re identification is a challenging retrieval task that requires matching a person's acquired image across non overlapping camera views. In this paper we propose an effective approach that incorporates both the fine and coarse pose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 M. Saquib Sarfraz , Arne Schumann , Andreas Eberle , Rainer Stiefelhagen

Learning visual features from unlabeled images has proven successful for semantic categorization, often by mapping different $views$ of the same object to the same feature to achieve recognition invariance. However, visual recognition…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Jiayun Wang , Yubei Chen , Stella X. Yu

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

Human pose estimation is an important topic in computer vision with many applications including gesture and activity recognition. However, pose estimation from image is challenging due to appearance variations, occlusions, clutter…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Lipeng Ke , Ming-Ching Chang , Honggang Qi , Siwei Lyu

In this paper, we present a novel generalizable object pose estimation method to determine the object pose using only one RGB image. Unlike traditional approaches that rely on instance-level object pose estimation and necessitate extensive…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Yujing Sun , Caiyi Sun , Yuan Liu , Yuexin Ma , Siu Ming Yiu

An effective technique for obtaining high-quality representations is adding a projection head on top of the encoder during training, then discarding it and using the pre-projection representations. Despite its proven practical…

Machine Learning · Computer Science 2024-03-19 Yihao Xue , Eric Gan , Jiayi Ni , Siddharth Joshi , Baharan Mirzasoleiman

We propose a novel image based localization system using graph neural networks (GNN). The pretrained ResNet50 convolutional neural network (CNN) architecture is used to extract the important features for each image. Following, the extracted…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Ahmed Elmoogy , Xiaodai Dong , Tao Lu , Robert Westendorp , Kishore Reddy

Heatmap-based methods have become the mainstream method for pose estimation due to their superior performance. However, heatmap-based approaches suffer from significant quantization errors with downscale heatmaps, which result in limited…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Haonan Wang , Jie Liu , Jie Tang , Gangshan Wu