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Face detection and identification is the most difficult and often used task in Artificial Intelligence systems. The goal of this study is to present and compare the results of several face detection and recognition algorithms used in the…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Musarrat Saberin Nipun , Rejwan Bin Sulaiman , Amer Kareem

Existing convolutional neural network (CNN) based face recognition algorithms typically learn a discriminative feature mapping, using a loss function that enforces separation of features from different classes and/or aggregation of features…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Luo Jiang , Juyong Zhang , Bailin Deng

Skin color detection is an essential required step in various applications related to computer vision. These applications will include face detection, finding pornographic images in movies and photos, finding ethnicity, age, diagnosis, and…

计算机视觉与模式识别 · 计算机科学 2021-06-24 Kobra Nazari , Samaneh Mazaheri , Bahram Sadeghi Bigham

The paper will present a novel approach for solving face recognition problem. Our method combines 2D Principal Component Analysis (2DPCA), one of the prominent methods for extracting feature vectors, and Support Vector Machine (SVM), the…

计算机视觉与模式识别 · 计算机科学 2011-10-26 Thai Hoang Le , Len Bui

Face detection has achieved great success using the region-based methods. In this report, we propose a region-based face detector applying deep networks in a fully convolutional fashion, named Face R-FCN. Based on Region-based Fully…

计算机视觉与模式识别 · 计算机科学 2017-09-19 Yitong Wang , Xing Ji , Zheng Zhou , Hao Wang , Zhifeng Li

The goal of this investigation is to quantify to what extent computer vision methods can correctly classify facial expressions on a sign language dataset. We extend our experiments by recognizing expressions using only the upper or lower…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Fabrizio Nunnari , Alakshendra Jyotsnaditya Ramkrishna Singh , Patrick Gebhard

Face recognition (FR) has made extraordinary progress owing to the advancement of deep convolutional neural networks. However, demographic bias among different racial cohorts still challenges the practical face recognition system. The race…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Yong Li , Yufei Sun , Zhen Cui , Shiguang Shan , Jian Yang

We explore varying face recognition accuracy across demographic groups as a phenomenon partly caused by differences in face illumination. We observe that for a common operational scenario with controlled image acquisition, there is a large…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Haiyu Wu , Vítor Albiero , K. S. Krishnapriya , Michael C. King , Kevin W. Bowyer

Existing face forgery detection methods usually treat face forgery detection as a binary classification problem and adopt deep convolution neural networks to learn discriminative features. The ideal discriminative features should be only…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Wanyi Zhuang , Qi Chu , Haojie Yuan , Changtao Miao , Bin Liu , Nenghai Yu

This paper presents a new face identification system based on Graph Matching Technique on SIFT features extracted from face images. Although SIFT features have been successfully used for general object detection and recognition, only…

计算机视觉与模式识别 · 计算机科学 2010-02-03 Dakshina Ranjan Kisku , Ajita Rattani , Enrico Grosso , Massimo Tistarelli

This study aims to investigate implementing EM and FCM algorithms for skin color extraction. The capabilities of three well-known color spaces, namely, RGB, HSV, and YCbCr for skin-tone extraction are assessed by using statistical modeling…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Elham Ravanbakhsh , Mosab Rezaei , Ehsan Namjoo , Padideh Choobdar

In this article we propose a method for the recognition of faces with different facial expressions. For recognition we extract feature vectors by using log-Gabor filters of multiple orientations and scales. Using sliding window algorithm…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Vytautas Perlibakas

Face anti-spoofing (FAS) plays a vital role in securing the face recognition systems from presentation attacks. Most existing FAS methods capture various cues (e.g., texture, depth and reflection) to distinguish the live faces from the…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao

Face Recognition has been studied for many decades. As opposed to traditional hand-crafted features such as LBP and HOG, much more sophisticated features can be learned automatically by deep learning methods in a data-driven way. In this…

计算机视觉与模式识别 · 计算机科学 2015-07-24 Jingtuo Liu , Yafeng Deng , Tao Bai , Zhengping Wei , Chang Huang

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

计算机视觉与模式识别 · 计算机科学 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

Face presentation attack detection (PAD) has become a thorny problem for biometric systems and numerous countermeasures have been proposed to address it. However, majority of them directly extract feature descriptors and distinguish fake…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Lei Li , Zhaoqiang Xia , Xiaoyue Jiang , Fabio Roli , Xiaoyi Feng

There is an abundant literature on face detection due to its important role in many vision applications. Since Viola and Jones proposed the first real-time AdaBoost based face detector, Haar-like features have been adopted as the method of…

计算机视觉与模式识别 · 计算机科学 2010-09-30 Sakrapee Paisitkriangkrai , Chunhua Shen , Jian Zhang

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…

人工智能 · 计算机科学 2011-08-09 Sahar Yousefi , Morteza Zahedi

Facial Expressions Recognition(FER) on low-resolution images is necessary for applications like group expression recognition in crowd scenarios(station, classroom etc.). Classifying a small size facial image into the right expression…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Wei Jing , Feng Tian , Jizhong Zhang , Kuo-Ming Chao , Zhenxin Hong , Xu Liu

Face recognition system is one of the esteemed research areas in pattern recognition and computer vision as long as its major challenges. A few challenges in recognizing faces are blur, illumination, and varied expressions. Blur is natural…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Anubha Pearline. S , Hemalatha. M