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Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

We present SKD, a novel keypoint detector that uses saliency to determine the best candidates from a point cloud for tasks such as registration and reconstruction. The approach can be applied to any differentiable deep learning descriptor…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Georgi Tinchev , Adrian Penate-Sanchez , Maurice Fallon

Point cloud based place recognition is still an open issue due to the difficulty in extracting local features from the raw 3D point cloud and generating the global descriptor, and it's even harder in the large-scale dynamic environments. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Zhe Liu , Shunbo Zhou , Chuanzhe Suo , Yingtian Liu , Peng Yin , Hesheng Wang , Yun-Hui Liu

Feature extraction and matching are the basic parts of many robotic vision tasks, such as 2D or 3D object detection, recognition, and registration. As is known, 2D feature extraction and matching have already achieved great success.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yunge Cui , Yinlong Zhang , Jiahua Dong , Haibo Sun , Xieyuanli Chen , Feng Zhu

Active illumination is a prominent complement to enhance 2D face recognition and make it more robust, e.g., to spoofing attacks and low-light conditions. In the present work we show that it is possible to adopt active illumination to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 J. Matias Di Martino , Fernando Suzacq , Mauricio Delbracio , Qiang Qiu , Guillermo Sapiro

Fast and robust three-dimensional reconstruction of facial geometric structure from a single image is a challenging task with numerous applications. Here, we introduce a learning-based approach for reconstructing a three-dimensional face…

Computer Vision and Pattern Recognition · Computer Science 2016-09-27 Elad Richardson , Matan Sela , Ron Kimmel

In this work, we present a novel global descriptor termed stable triangle descriptor (STD) for 3D place recognition. For a triangle, its shape is uniquely determined by the length of the sides or included angles. Moreover, the shape of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Chongjian Yuan , Jiarong Lin , Zuhao Zou , Xiaoping Hong , Fu Zhang

A novel, adaptive ground-aware, and cost-effective 3D Object Detection pipeline is proposed. The ground surface representation introduced in this paper, in comparison to its uni-planar counterparts (methods that model the surface of a whole…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Arun CS Kumar , Disha Ahuja , Ashwath Aithal

Multiview 3D face modeling has attracted increasing attention recently and has become one of the potential avenues in future video systems. We aim to make more reliable and robust automatic feature extraction and natural 3D feature…

Computer Vision and Pattern Recognition · Computer Science 2009-12-04 Alireza Ghahari , Reza Aghaeizadeh Zoroofi

This paper proposes a robust approach for face detection and gender classification in color images. Previous researches about gender recognition suppose an expensive computational and time-consuming pre-processing step in order to alignment…

Artificial Intelligence · Computer Science 2011-08-09 Sahar Yousefi , Morteza Zahedi

Due to the difficulty in generating the effective descriptors which are robust to occlusion and viewpoint changes, place recognition for 3D point cloud remains an open issue. Unlike most of the existing methods that focus on extracting…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Xuemeng Yang , Guangyao Zhai , Xiangrui Zhao , Xianfang Zeng , Mengmeng Wang , Yong Liu , Wanlong Li , Feng Wen

This publication presents methods for face detection, analysis and recognition: fast normalized cross-correlation (fast correlation coefficient) between multiple templates based face pre-detection method, method for detection of exact face…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Vytautas Perlibakas

Face recognition is a widely accepted biometric verification tool, as the face contains a lot of information about the identity of a person. In this study, a 2-step neural-based pipeline is presented for matching 3D facial shape to multiple…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Soha Sadat Mahdi , Nele Nauwelaers , Philip Joris , Giorgos Bouritsas , Shunwang Gong , Sergiy Bokhnyak , Susan Walsh , Mark D. Shriver , Michael Bronstein , Peter Claes , .

RGB-D salient object detection (SOD) recently has attracted increasing research interest and many deep learning methods based on encoder-decoder architectures have emerged. However, most existing RGB-D SOD models conduct feature fusion…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Qian Chen , Ze Liu , Yi Zhang , Keren Fu , Qijun Zhao , Hongwei Du

3D model retrieval techniques can be classified as histogram-based, view-based and graph-based approaches. We propose a hybrid shape descriptor which combines the global and local radial distance features by utilizing the histogram-based…

Graphics · Computer Science 2013-06-11 Bo Li , Henry Johan

Place recognition plays an essential role in the field of autonomous driving and robot navigation. Point cloud based methods mainly focus on extracting global descriptors from local features of point clouds. Despite having achieved…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Tian-Xing Xu , Yuan-Chen Guo , Zhiqiang Li , Ge Yu , Yu-Kun Lai , Song-Hai Zhang

Accurate analysis and classification of facial attributes are essential in various applications, from human-computer interaction to security systems. In this work, a novel approach to enhance facial classification and recognition tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Houting Li , Mengxuan Dong , Lok Ming Lui

Several computer algorithms for recognition of visible human emotions are compared at the web camera scenario using CNN/MMOD face detector. The recognition refers to four face expressions: smile, surprise, anger, and neutral. At the feature…

Computer Vision and Pattern Recognition · Computer Science 2019-02-01 Rafal Pilarczyk , Xin Chang , Wladyslaw Skarbek

Salient object detection (SOD), which aims to find the most important region of interest and segment the relevant object/item in that area, is an important yet challenging vision task. This problem is inspired by the fact that human seems…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Pingping Zhang , Huchuan Lu , Chunhua Shen

In the absence of global positioning information, place recognition is a key capability for enabling localization, mapping and navigation in any environment. Most place recognition methods rely on images, point clouds, or a combination of…

Robotics · Computer Science 2018-04-26 Andrei Cramariuc , Renaud Dubé , Hannes Sommer , Roland Siegwart , Igor Gilitschenski