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Face parsing is an important computer vision task that requires accurate pixel segmentation of facial parts (such as eyes, nose, mouth, etc.), providing a basis for further face analysis, modification, and other applications. Interlinked…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Zi Yin , Valentin Yiu , Xiaolin Hu , Liang Tang

Existing person re-identification (re-id) methods either assume the availability of well-aligned person bounding box images as model input or rely on constrained attention selection mechanisms to calibrate misaligned images. They are…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Wei Li , Xiatian Zhu , Shaogang Gong

High-precision facial landmark detection (FLD) relies on high-resolution deep feature representations. However, low-resolution face images or the compression (via pooling or strided convolution) of originally high-resolution images hinder…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jun Wan , Yuanzhi Yao , Zhihui Lai , Jie Zhou , Xianxu Hou , Wenwen Min

Obtaining a high-quality frontal face image from a low-resolution (LR) non-frontal face image is primarily important for many facial analysis applications. However, mainstreams either focus on super-resolving near-frontal LR faces or…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Yang Zhang , Ivor W. Tsang , Jun Li , Ping Liu , Xiaobo Lu , Xin Yu

We address the problem of restoring a high-resolution face image from a blurry low-resolution input. This problem is difficult as super-resolution and deblurring need to be tackled simultaneously. Moreover, existing algorithms cannot handle…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Yibing Song , Jiawei Zhang , Lijun Gong , Shengfeng He , Linchao Bao , Jinshan Pan , Qingxiong Yang , Ming-Hsuan Yang

Recognizing facial expressions from static images or video sequences is a widely studied but still challenging problem. The recent progresses obtained by deep neural architectures, or by ensembles of heterogeneous models, have shown that…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Lisa Graziani , Stefano Melacci , Marco Gori

Despite generative adversarial networks (GANs) can hallucinate photo-realistic high-resolution (HR) faces from low-resolution (LR) faces, they cannot guarantee preserving the identities of hallucinated HR faces, making the HR faces poorly…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Chih-Chung Hsu , Chia-Wen Lin , Weng-Tai Su , Gene Cheung

Most of the face hallucination methods are designed for complete inputs. They will not work well if the inputs are very tiny or contaminated by large occlusion. Inspired by this fact, we propose an obscured face hallucination…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Lianping Yang , Bin Shao , Ting Sun , Song Ding , Xiangde Zhang

In this paper, we propose a computational efficient end-to-end training deep neural network (CEDNN) model and spatial attention maps based on difference images. Firstly, the difference image is generated by image processing. Then five…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

Human face images usually appear with wide range of visual scales. The existing face representations pursue the bandwidth of handling scale variation via multi-scale scheme that assembles a finite series of predefined scales. Such…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Hailin Shi , Hang Du , Yibo Hu , Jun Wang , Dan Zeng , Ting Yao

Deep learning architecture with convolutional neural network (CNN) achieves outstanding success in the field of computer vision. Where U-Net, an encoder-decoder architecture structured by CNN, makes a great breakthrough in biomedical image…

Image and Video Processing · Electrical Eng. & Systems 2023-02-13 Qing Xu , Zhicheng Ma , Na HE , Wenting Duan

Convolutional Neural Network (CNN) is intensively implemented to solve super resolution (SR) tasks because of its superior performance. However, the problem of super resolution is still challenging due to the lack of prior knowledge and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Yuxin Zhang , Zuquan Zheng , Roland Hu

Face parsing is a basic task in face image analysis. It amounts to labeling each pixel with appropriate facial parts such as eyes and nose. In the paper, we present a interlinked convolutional neural network (iCNN) for solving this problem…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Yisu Zhou , Xiaolin Hu , Bo Zhang

Action recognition with 3D skeleton sequences is becoming popular due to its speed and robustness. The recently proposed Convolutional Neural Networks (CNN) based methods have shown good performance in learning spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Zhengyuan Yang , Yuncheng Li , Jianchao Yang , Jiebo Luo

We propose a two-stage method for face hallucination. First, we generate facial components of the input image using CNNs. These components represent the basic facial structures. Second, we synthesize fine-grained facial structures from high…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Yibing Song , Jiawei Zhang , Shengfeng He , Linchao Bao , Qingxiong Yang

We introduce an approach to integrate segmentation information within a convolutional neural network (CNN). This counter-acts the tendency of CNNs to smooth information across regions and increases their spatial precision. To obtain…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

We present a novel facial expression recognition network, called Distract your Attention Network (DAN). Our method is based on two key observations. Firstly, multiple classes share inherently similar underlying facial appearance, and their…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Zhengyao Wen , Wenzhong Lin , Tao Wang , Ge Xu

Triggered by the success of transformers in various visual tasks, the spatial self-attention mechanism has recently attracted more and more attention in the computer vision community. However, we empirically found that a typical vision…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Jiayin Sun , Hong Wang , Qiulei Dong

In this paper, we present an approach based on convolutional neural networks (CNNs) for facial expression recognition in a difficult setting with severe occlusions. More specifically, our task is to recognize the facial expression of a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Mariana-Iuliana Georgescu , Radu Tudor Ionescu

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…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao