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Deep Neural Network (DNN) has recently achieved outstanding performance in a variety of computer vision tasks, including facial attribute classification. The great success of classifying facial attributes with DNN often relies on a massive…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Ni Zhuang , Yan Yan , Si Chen , Hanzi Wang , Chunhua Shen

We propose a deep convolutional neural network (CNN) for face detection leveraging on facial attributes based supervision. We observe a phenomenon that part detectors emerge within CNN trained to classify attributes from uncropped face…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Shuo Yang , Ping Luo , Chen Change Loy , Xiaoou Tang

The principal component analysis (PCA) is widely used for data decorrelation and dimensionality reduction. However, the use of PCA may be impractical in real-time applications, or in situations were energy and computing constraints are…

Image and Video Processing · Electrical Eng. & Systems 2024-01-31 R. S. Oliveira , R. J. Cintra , F. M. Bayer , T. L. T. da Silveira , A. Madanayake , A. Leite

Following the tremendous success of transformer in natural language processing and image understanding tasks, in this paper, we present a novel point cloud representation learning architecture, named Dual Transformer Network (DTNet), which…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Xian-Feng Han , Yi-Fei Jin , Hui-Xian Cheng , Guo-Qiang Xiao

We propose a new deep network structure for unconstrained face recognition. The proposed network integrates several key components together in order to characterize complex data distributions, such as in unconstrained face images. Inspired…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Qiangchang Wang , Guodong Guo , Mohammad Iqbal Nouyed

Convolutional neural networks (CNNs) are very popular nowadays for image processing. CNNs allow one to learn optimal filters in a (mostly) supervised machine learning context. However this typically requires abundant labelled training data…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Matej Ulicny , Vladimir A. Krylov , Rozenn Dahyot

In this paper we develop a Quality Assessment approach for face recognition based on deep learning. The method consists of a Convolutional Neural Network, FaceQnet, that is used to predict the suitability of a specific input image for face…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Javier Hernandez-Ortega , Javier Galbally , Julian Fierrez , Rudolf Haraksim , Laurent Beslay

Realistic speech-driven 3D facial animation is a challenging problem due to the complex relationship between speech and face. In this paper, we propose a deep architecture, called Geometry-guided Dense Perspective Network (GDPnet), to…

Graphics · Computer Science 2020-08-25 Jingying Liu , Binyuan Hui , Kun Li , Yunke Liu , Yu-Kun Lai , Yuxiang Zhang , Yebin Liu , Jingyu Yang

Face Recognition using Discrete Cosine Transform (DCT) for Local and Global Features involves recognizing the corresponding face image from the database. The face image obtained from the user is cropped such that only the frontal face image…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Aman R. Chadha , Pallavi P. Vaidya , M. Mani Roja

The Principal Component Analysis Network (PCANet), which is one of the recently proposed deep learning architectures, achieves the state-of-the-art classification accuracy in various databases. However, the performance of PCANet may be…

Computer Vision and Pattern Recognition · Computer Science 2015-03-06 Rui Zeng , Jiasong Wu , Zhuhong Shao , Yang Chen , Lotfi Senhadji , Huazhong Shu

We show how a simple convolutional neural network (CNN) can be trained to accurately and robustly regress 6 degrees of freedom (6DoF) 3D head pose, directly from image intensities. We further explain how this FacePoseNet (FPN) can be used…

Computer Vision and Pattern Recognition · Computer Science 2017-09-04 Fengju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

3D face recognition has shown its potential in many application scenarios. Among numerous 3D face recognition methods, deep-learning-based methods have developed vigorously in recent years. In this paper, an end-to-end deep learning network…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Yi Yu , Feipeng Da , Ziyu Zhang

In this paper, we extend our previous work on the Expressive Neural Network (ENN), a multilayer perceptron with adaptive activation functions parametrized using the Discrete Cosine Transform (DCT). Building upon previous work that…

Machine Learning · Computer Science 2025-11-06 Marc Martinez-Gost , Sara Pepe , Ana Pérez-Neira , Miguel Ángel Lagunas

Deep neural networks (DNNs) trained on large-scale datasets have recently achieved impressive improvements in face recognition. But a persistent challenge remains to develop methods capable of handling large pose variations that are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Xi Peng , Xiang Yu , Kihyuk Sohn , Dimitris Metaxas , Manmohan Chandraker

Point-based cell detection (PCD), which pursues high-performance cell sensing under low-cost data annotation, has garnered increased attention in computational pathology community. Unlike mainstream PCD methods that rely on intermediate…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhongyi Shui , Sunyi Zheng , Chenglu Zhu , Shichuan Zhang , Xiaoxuan Yu , Honglin Li , Jingxiong Li , Pingyi Chen , Lin Yang

This paper presents Discriminative Part Network (DP-Net), a deep architecture with strong interpretation capabilities, which exploits a pretrained Convolutional Neural Network (CNN) combined with a part-based recognition module. This system…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Ronan Sicre , Hanwei Zhang , Julien Dejasmin , Chiheb Daaloul , Stéphane Ayache , Thierry Artières

Convolutional neural networks are based on a huge number of trained weights. Consequently, they are often data-greedy, sensitive to overtraining, and learn slowly. We follow the line of research in which filters of convolutional neural…

Neural and Evolutionary Computing · Computer Science 2020-04-08 Karol Chęciński , Paweł Wawrzyński

Relatively small data sets available for expression recognition research make the training of deep networks for expression recognition very challenging. Although fine-tuning can partially alleviate the issue, the performance is still below…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Hui Ding , Shaohua Kevin Zhou , Rama Chellappa

Real-world face detection and alignment demand an advanced discriminative model to address challenges by pose, lighting and expression. Illuminated by the deep learning algorithm, some convolutional neural networks based face detection and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Weilin Cong , Sanyuan Zhao , Hui Tian , Jianbing Shen

Dual energy computed tomography (DECT) has become of particular interest in clinic recent years. The DECT scan comprises two images, corresponding to two photon attenuation coefficients maps of the objects. Meanwhile, the DECT images are…

Medical Physics · Physics 2017-11-21 Sui Li , Yongbo Wang , Yuting Liao , Ji He , Dong Zeng , Zhaoying Bian , Jianhua Ma