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A relaxed two dimensional principal component analysis (R2DPCA) approach is proposed for face recognition. Different to the 2DPCA, 2DPCA-$L_1$ and G2DPCA, the R2DPCA utilizes the label information (if known) of training samples to calculate…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Xiao Chen , Zhi-Gang Jia , Yunfeng Cai , Mei-Xiang Zhao

We propose a real time deep learning framework for video-based facial expression capture. Our process uses a high-end facial capture pipeline based on FACEGOOD to capture facial expression. We train a convolutional neural network to produce…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Hongwei Xu , Leijia Dai , Jianxing Fu , Xiangyuan Wang , Quanwei Wang

We describe a deep learning based method for estimating 3D facial expression coefficients. Unlike previous work, our process does not relay on facial landmark detection methods as a proxy step. Recent methods have shown that a CNN can be…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Feng-Ju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

Tiny face detection aims to find faces with high degrees of variability in scale, resolution and occlusion in cluttered scenes. Due to the very little information available on tiny faces, it is not sufficient to detect them merely based on…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Yue Xi , Jiangbin Zheng , Xiangjian He , Wenjing Jia , Hanhui Li

Micro-Expression Recognition has become challenging, as it is extremely difficult to extract the subtle facial changes of micro-expressions. Recently, several approaches proposed several expression-shared features algorithms for…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Ling Zhou , Qirong Mao , Xiaohua Huang , Feifei Zhang , Zhihong Zhang

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…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Yue Wu , Chao Gou , Qiang Ji

Speech-driven facial animation aims to synthesize lip-synchronized 3D talking faces following the given speech signal. Prior methods to this task mostly focus on pursuing realism with deterministic systems, yet characterizing the…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Chunzhi Gu , Shigeru Kuriyama , Katsuya Hotta

Human face analysis is an important task in computer vision. According to cognitive-psychological studies, facial dynamics could provide crucial cues for face analysis. The motion of a facial local region in facial expression is related to…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Seong Tae Kim , Yong Man Ro

Facial expression recognition is a key task in human-computer interaction and affective computing. However, acquiring a large amount of labeled facial expression data is often costly. Therefore, it is particularly important to design a…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Zhongpeng Cai , Jun Yu , Wei Xu , Tianyu Liu , Jianqing Sun , Jiaen Liang

Neural network based algorithms has shown success in many applications. In image processing, Convolutional Neural Networks (CNN) can be trained to categorize facial expressions of images of human faces. In this work, we create a system that…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Qinchen Wang , Sixuan Wu , Tingfeng Xia

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and identical procedure. In…

计算机视觉与模式识别 · 计算机科学 2014-03-24 V. Karthikeyan , K. Vijayalakshmi , P. Jeyakumar

Every speech signal carries implicit information about the emotions, which can be extracted by speech processing methods. In this paper, we propose an algorithm for extracting features that are independent from the spoken language and the…

音频与语音处理 · 电气工程与系统科学 2018-11-26 Fatemeh Noroozi , Marina Marjanovic , Angelina Njegus , Sergio Escalera , Gholamreza Anbarjafari

The human face constantly conveys information, both consciously and subconsciously. However, as basic as it is for humans to visually interpret this information, it is quite a big challenge for machines. Conventional semantic facial feature…

机器学习 · 计算机科学 2016-10-21 Amogh Gudi

We provide a novel search technique, which uses a hierarchical model and a mutual information gain heuristic to efficiently prune the search space when localizing faces in images. We show exponential gains in computation over traditional…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Raphael Sznitman , Bruno Jedynak

Human eyes concentrate different facial regions during distinct cognitive activities. We study utilising facial visual saliency maps to classify different facial expressions into different emotions. Our results show that our novel method of…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Zhenyue Qin , Jie Wu

Efficient face detection is critical to provide natural human-robot interactions. However, computer vision tends to involve a large computational load due to the amount of data (i.e. pixels) that needs to be processed in a short amount of…

音频与语音处理 · 电气工程与系统科学 2024-03-19 William Aris , François Grondin

We present a Fourier-based machine learning technique that characterizes and detects facial emotions. The main challenging task in the development of machine learning (ML) models for classifying facial emotions is the detection of accurate…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Aishwarya Gouru , Shan Suthaharan

Gesture recognition is mainly apprehensive on analyzing the functionality of human wits. The main goal of gesture recognition is to create a system which can recognize specific human gestures and use them to convey information or for device…

We introduce the concept of unconstrained real-time 3D facial performance capture through explicit semantic segmentation in the RGB input. To ensure robustness, cutting edge supervised learning approaches rely on large training datasets of…

计算机视觉与模式识别 · 计算机科学 2016-04-12 Shunsuke Saito , Tianye Li , Hao Li

The growth in electronic transactions and human machine interactions rely on the information such as gender, age, expression and ethnicity provided by the face image. In order to obtain these information, feature extraction plays a major…

计算机视觉与模式识别 · 计算机科学 2016-04-07 N. S. Lakshmiprabha
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