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Accurate localization is essential for autonomous driving, but GNSS-based methods struggle in challenging environments such as urban canyons. Cross-view pose optimization offers an effective solution by directly estimating vehicle pose…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Wooju Lee , Juhye Park , Dasol Hong , Changki Sung , Youngwoo Seo , Dongwan Kang , Hyun Myung

This paper addresses 2 challenging tasks: improving the quality of low resolution facial images and accurately locating the facial landmarks on such poor resolution images. To this end, we make the following 5 contributions: (a) we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Adrian Bulat , Georgios Tzimiropoulos

Panoptic segmentation of point clouds is a crucial task that enables autonomous vehicles to comprehend their vicinity using their highly accurate and reliable LiDAR sensors. Existing top-down approaches tackle this problem by either…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Kshitij Sirohi , Rohit Mohan , Daniel Büscher , Wolfram Burgard , Abhinav Valada

We present CPO, a fast and robust algorithm that localizes a 2D panorama with respect to a 3D point cloud of a scene possibly containing changes. To robustly handle scene changes, our approach deviates from conventional feature point…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Junho Kim , Hojun Jang , Changwoon Choi , Young Min Kim

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

Deep Learning models based on heatmap regression have revolutionized the task of facial landmark localization with existing models working robustly under large poses, non-uniform illumination and shadows, occlusions and self-occlusions, low…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Adrian Bulat , Enrique Sanchez , Georgios Tzimiropoulos

Multi-face alignment aims to identify geometry structures of multiple faces in an image, and its performance is essential for the many practical tasks, such as face recognition, face tracking, and face animation. In this work, we present a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Yuxiang Wu , Zehua Cheng , Bin Huang , Yiming Chen , Xinghui Zhu , Weiyang Wang

In this study, an efficient reanalysis strategy for dynamic topology optimization is proposed. Compared with other related studies, an online successive dynamic reanalysis method and POD-based approximate dynamic displacement strategy are…

Numerical Analysis · Mathematics 2023-05-16 Shuhao Li , Hu Wang , Jichao Yin , Daozhen Guo , Guangyao Li

Visual Place Recognition (VPR) enables coarse localization by comparing query images to a reference database of geo-tagged images. Recent breakthroughs in deep learning architectures and training regimes have led to methods with improved…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Connor Malone , Somayeh Hussaini , Tobias Fischer , Michael Milford

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

In computer vision, multi-label recognition are important tasks with many real-world applications, but classifying previously unseen labels remains a significant challenge. In this paper, we propose a novel algorithm, Aligned Dual moDality…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Shichao Xu , Yikang Li , Jenhao Hsiao , Chiuman Ho , Zhu Qi

Facial landmark detection is an essential technology for driver status tracking and has been in demand for real-time estimations. As a landmark coordinate prediction, heatmap-based methods are known to achieve a high accuracy, and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Sota Kato , Kazuhiro Hotta , Yuhki Hatakeyama , Yoshinori Konishi

Facial landmark detection, head pose estimation, and facial deformation analysis are typical facial behavior analysis tasks in computer vision. The existing methods usually perform each task independently and sequentially, ignoring their…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Yue Wu , Chao Gou , Qiang Ji

Bottom-up based multi-person pose estimation approaches use heatmaps with auxiliary predictions to estimate joint positions and belonging at one time. Recently, various combinations between auxiliary predictions and heatmaps have been…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Haiyang Liu , Dingli Luo , Songlin Du , Takeshi Ikenaga

We propose DLTPose, a novel method for 6DoF object pose estimation from RGBD images that combines the accuracy of sparse keypoint methods with the robustness of dense pixel-wise predictions. DLTPose predicts per-pixel radial distances to a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Akash Jadhav , Michael Greenspan

Face presentation attacks (FPA), also known as face spoofing, have brought increasing concerns to the public through various malicious applications, such as financial fraud and privacy leakage. Therefore, safeguarding face recognition…

Multimedia · Computer Science 2024-03-22 Chenqi Kong , Kexin Zheng , Yibing Liu , Shiqi Wang , Anderson Rocha , Haoliang Li

Stereo vision between images faces a range of challenges, including occlusions, motion, and camera distortions, across applications in autonomous driving, robotics, and face analysis. Due to parameter sensitivity, further complications…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Antonin Clerc , Michael Quellmalz , Moritz Piening , Philipp Flotho , Gregor Kornhardt , Gabriele Steidl

Accurate localization on autonomous driving cars is essential for autonomy and driving safety, especially for complex urban streets and search-and-rescue subterranean environments where high-accurate GPS is not available. However current…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Peng Yin , Lingyun Xu , Ziyue Feng , Anton Egorov , Bing Li

Visual Place Recognition (VPR) is aimed at predicting the location of a query image by referencing a database of geotagged images. For VPR task, often fewer discriminative local regions in an image produce important effects while mundane…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Changwei Wang , Shunpeng Chen , Yukun Song , Rongtao Xu , Zherui Zhang , Jiguang Zhang , Haoran Yang , Yu Zhang , Kexue Fu , Shide Du , Zhiwei Xu , Longxiang Gao , Li Guo , Shibiao Xu

This paper is concerned with a recently developed paradigm for population-based optimization, termed particle filter optimization (PFO). This paradigm is attractive in terms of coherence in theory and easiness in mathematical analysis and…

Machine Learning · Statistics 2018-11-26 Bin Liu , Yaochu Jin