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Accurate facial landmark detection is critical for facial analysis tasks, yet prevailing heatmap and coordinate regression methods grapple with prohibitive computational costs and quantization errors. Through comprehensive theoretical…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Xu Bao , Zhi-Qi Cheng , Jun-Yan He , Chenyang Li , Wangmeng Xiang , Jingdong Sun , Hanbing Liu , Wei Liu , Bin Luo , Yifeng Geng , Xuansong Xie

Extreme head postures pose a common challenge across a spectrum of facial analysis tasks, including face detection, facial landmark detection (FLD), and head pose estimation (HPE). These tasks are interdependent, where accurate FLD relies…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Qingtian Wu , Liming Zhang

With the emergence of service robots and surveillance cameras, dynamic face recognition (DFR) in wild has received much attention in recent years. Face detection and head pose estimation are two important steps for DFR. Very often, the pose…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yepeng Liu , Zaiwang Gu , Shenghua Gao , Dong Wang , Yusheng Zeng , Jun Cheng

Being accurate, efficient, and compact is essential to a facial landmark detector for practical use. To simultaneously consider the three concerns, this paper investigates a neat model with promising detection accuracy under wild…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Xiaojie Guo , Siyuan Li , Jinke Yu , Jiawan Zhang , Jiayi Ma , Lin Ma , Wei Liu , Haibin Ling

A standard pipeline of current face recognition frameworks consists of four individual steps: locating a face with a rough bounding box and several fiducial landmarks, aligning the face image using a pre-defined template, extracting…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Xiaqing Xu , Qiang Meng , Yunxiao Qin , Jianzhu Guo , Chenxu Zhao , Feng Zhou , Zhen Lei

Mapping is essential in robotics and autonomous systems because it provides the spatial foundation for path planning. Efficient mapping enables planning algorithms to generate reliable paths while ensuring safety and adapting in real time…

Robotics · Computer Science 2026-05-22 Yihui Mao , Tian Tan , Xuehui Shen , Warren E. Dixon , Rushikesh Kamalapurkar

Facial landmark localization aims to detect the predefined points of human faces, and the topic has been rapidly improved with the recent development of neural network based methods. However, it remains a challenging task when dealing with…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Zixuan Xu , Banghuai Li , Miao Geng , Ye Yuan

Landmark localization is a challenging problem in computer vision with a multitude of applications. Recent deep learning based methods have shown improved results by regressing likelihood maps instead of regressing the coordinates directly.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Brian Teixeira , Birgi Tamersoy , Vivek Singh , Ankur Kapoor

Place Recognition enables the estimation of a globally consistent map and trajectory by providing non-local constraints in Simultaneous Localisation and Mapping (SLAM). This paper presents Locus, a novel place recognition method using 3D…

In this paper, we address the problem of landmark-based visual place recognition. In the state-of-the-art method, accurate object proposal algorithms are first leveraged for generating a set of local regions containing particular landmarks…

Robotics · Computer Science 2018-08-24 Bo Yang , Jun Li , Xiaosu Xu , Hong Zhang

Pareto Local Search (PLS) is a basic building block in many metaheuristics for Multiobjective Combinatorial Optimization Problem (MCOP). In this paper, an enhanced PLS variant called Parallel Pareto Local Search based on Decomposition…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-11-12 Jialong Shi , Qingfu Zhang , Jianyong Sun

We introduce YOLO-pose, a novel heatmap-free approach for joint detection, and 2D multi-person pose estimation in an image based on the popular YOLO object detection framework. Existing heatmap based two-stage approaches are sub-optimal as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Debapriya Maji , Soyeb Nagori , Manu Mathew , Deepak Poddar

Visual SLAM approaches typically depend on loop closure detection to correct the inconsistencies that may arise during the map and camera trajectory calculations, typically making use of point features for detecting and closing the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Joan P. Company-Corcoles , Emilio Garcia-Fidalgo , Alberto Ortiz

Long-term autonomy for mobile robots requires both robust self-localization and reliable map maintenance. Conventional landmark-based methods face a fundamental trade-off between landmarks with high detectability but low distinctiveness…

Robotics · Computer Science 2025-10-21 Wuhao Xie , Kanji Tanaka

Objective: Radiation therapy treatment planning is a time-consuming, iterative process with potentially high inter-planner variability. Fully automated treatment planning processes could reduce a planner's active treatment planning time and…

Medical Physics · Physics 2021-02-09 Charles Huang , Yong Yang , Neil Panjwani , Stephen Boyd , Lei Xing

An accurate and robust large-scale localization system is an integral component for active areas of research such as autonomous vehicles and augmented reality. To this end, many learning algorithms have been proposed that predict 6DOF…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Ali Raza , Lazar Lolic , Shahmir Akhter , Alfonso Dela Cruz , Michael Liut

Facial landmark localization is a fundamental module for pose-invariant face recognition. The most common approach for facial landmark detection is cascaded regression, which is composed of two steps: feature extraction and facial shape…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yuhang Wu , Shishir K. Shah , Ioannis A. Kakadiaris

Capturing the global topology of an image is essential for proposing an accurate segmentation of its domain. However, most of existing segmentation methods do not preserve the initial topology of the given input, which is detrimental for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Minh On Vu Ngoc , Yizi Chen , Nicolas Boutry , Jonathan Fabrizio , Clement Mallet

We propose a novel approach for fast and accurate stereo visual Simultaneous Localization and Mapping (SLAM) independent of feature detection and matching. We extend monocular Direct Sparse Odometry (DSO) to a stereo system by optimizing…

Robotics · Computer Science 2021-12-06 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

Face anti-spoofing is the key to preventing security breaches in biometric recognition applications. Existing software-based and hardware-based face liveness detection methods are effective in constrained environments or designated datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Yu Tian , Kunbo Zhang , Leyuan Wang , Zhenan Sun
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