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Deep Convolutional Neural Networks (DCNNs) commonly use generic `max-pooling' (MP) layers to extract deformation-invariant features, but we argue in favor of a more refined treatment. First, we introduce epitomic convolution as a building…

计算机视觉与模式识别 · 计算机科学 2014-12-02 George Papandreou , Iasonas Kokkinos , Pierre-André Savalle

Facial Expression Recognition (FER) in the wild is extremely challenging due to occlusions, variant head poses, face deformation and motion blur under unconstrained conditions. Although substantial progresses have been made in automatic FER…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Fuyan Ma , Bin Sun , Shutao Li

This work explores facial expression bias as a security vulnerability of face recognition systems. Despite the great performance achieved by state-of-the-art face recognition systems, the algorithms are still sensitive to a large range of…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Alejandro Peña , Ignacio Serna , Aythami Morales , Julian Fierrez , Agata Lapedriza

Feature pooling layers (e.g., max pooling) in convolutional neural networks (CNNs) serve the dual purpose of providing increasingly abstract representations as well as yielding computational savings in subsequent convolutional layers. We…

机器学习 · 计算机科学 2016-11-17 Shuangfei Zhai , Hui Wu , Abhishek Kumar , Yu Cheng , Yongxi Lu , Zhongfei Zhang , Rogerio Feris

Occlusion and pose variations, which can change facial appearance significantly, are two major obstacles for automatic Facial Expression Recognition (FER). Though automatic FER has made substantial progresses in the past few decades,…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Kai Wang , Xiaojiang Peng , Jianfei Yang , Debin Meng , Yu Qiao

Expressing and identifying emotions through facial and physical expressions is a significant part of social interaction. Emotion recognition is an essential task in computer vision due to its various applications and mainly for allowing a…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Willams Costa , David Macêdo , Cleber Zanchettin , Lucas S. Figueiredo , Veronica Teichrieb

A core challenge faced by the majority of individuals with Autism Spectrum Disorder (ASD) is an impaired ability to infer other people's emotions based on their facial expressions. With significant recent advances in machine learning, one…

计算机视觉与模式识别 · 计算机科学 2020-03-05 James Ren Hou Lee , Alexander Wong

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

We present a method for extracting information about facial expressions from digital images. The method codes facial expression images using a multi-orientation, multi-resolution set of Gabor filters that are topographically ordered and…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Michael J. Lyons , Miyuki Kamachi , Jiro Gyoba

In this paper, we propose a novel face alignment method using single deep network (SDN) on existing limited training data. Rather than using a max-pooling layer followed one convolutional layer in typical convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2017-02-10 Zongping Deng , Ke Li , Qijun Zhao , Yi Zhang , Hu Chen

Recent advances in deep learning have shown exciting promise in filling large holes and lead to another orientation for image inpainting. However, existing learning-based methods often create artifacts and fallacious textures because of…

计算机视觉与模式识别 · 计算机科学 2018-12-05 Qingguo Xiao , Guangyao Li , Qiaochuan Chen

Classification of human emotions remains an important and challenging task for many computer vision algorithms, especially in the era of humanoid robots which coexist with humans in their everyday life. Currently proposed methods for…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Ivona Tautkute , Tomasz Trzcinski , Adam Bielski

Face images appeared in multimedia applications, e.g., social networks and digital entertainment, usually exhibit dramatic pose, illumination, and expression variations, resulting in considerable performance degradation for traditional face…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Changxing Ding , Dacheng Tao

Facial feature detection from facial images has attracted great attention in the field of computer vision. It is a nontrivial task since the appearance and shape of the face tend to change under different conditions. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-09-19 Yue Wu , Ziheng Wang , Qiang Ji

Face manipulation has shown remarkable advances with the flourish of Generative Adversarial Networks. However, due to the difficulties of controlling structures and textures, it is challenging to model poses and expressions simultaneously,…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Chaoyou Fu , Yibo Hu , Xiang Wu , Guoli Wang , Qian Zhang , Ran He

We propose a deep metric learning model to create embedded sub-spaces with a well defined structure. A new loss function that imposes Gaussian structures on the output space is introduced to create these sub-spaces thus shaping the…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Pedro D. Marrero Fernandez , Tsang Ing Ren , Tsang Ing Jyh , Fidel A. Guerrero Peña , Alexandre Cunha

We present techniques for improving performance driven facial animation, emotion recognition, and facial key-point or landmark prediction using learned identity invariant representations. Established approaches to these problems can work…

计算机视觉与模式识别 · 计算机科学 2016-05-24 David Rim , Sina Honari , Md Kamrul Hasan , Chris Pal

Facial expression recognition has gained significance as a means of imparting social robots with the capacity to discern the emotional states of users. The use of social robotics includes a variety of settings, including homes, nursing…

计算机视觉与模式识别 · 计算机科学 2026-05-05 F. Xavier Gaya-Morey , Silvia Ramis , Jose M. Buades-Rubio , Cristina Manresa-Yee

Facial landmark localization plays an important role in face recognition and analysis applications. In this paper, we give a brief introduction to a coarse-to-fine pipeline with neural networks and sequential regression. First, a global…

计算机视觉与模式识别 · 计算机科学 2015-11-17 Zhiao Huang , Erjin Zhou , Zhimin Cao

We propose a novel approach for generating region proposals for performing face-detection. Instead of classifying anchor boxes using features from a pixel in the convolutional feature map, we adopt a pooling-based approach for generating…

计算机视觉与模式识别 · 计算机科学 2018-12-14 Mahyar Najibi , Bharat Singh , Larry S. Davis