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The de facto algorithm for facial landmark estimation involves running a face detector with a subsequent deformable model fitting on the bounding box. This encompasses two basic problems: i) the detection and deformable fitting steps are…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Jiankang Deng , George Trigeorgis , Yuxiang Zhou , Stefanos Zafeiriou

Convolutional Neural Networks (CNNs) do not have a predictable recognition behavior with respect to the input resolution change. This prevents the feasibility of deployment on different input image resolutions for a specific model. To…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Duo Li , Anbang Yao , Qifeng Chen

Neural networks currently dominate the machine learning community and they do so for good reasons. Their accuracy on complex tasks such as image classification is unrivaled at the moment and with recent improvements they are reasonably easy…

机器学习 · 计算机科学 2019-01-21 Sascha Saralajew , Lars Holdijk , Maike Rees , Thomas Villmann

The kernel function is introduced to solve the nonlinear pattern recognition problem. The advantage of a kernel method often depends critically on a proper choice of the kernel function. A promising approach is to learn the kernel from data…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Ning Yuan , Xiao-Jun Wu , He-Feng Yin

The fully convolutional network (FCN) has achieved tremendous success in dense visual recognition tasks, such as scene segmentation. The last layer of FCN is typically a global classifier (1x1 convolution) to recognize each pixel to a…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Changqian Yu , Yuanjie Shao , Changxin Gao , Nong Sang

Face verification is a problem approached in the literature mainly using nonlinear class-specific subspace learning techniques. While it has been shown that kernel-based Class-Specific Discriminant Analysis is able to provide excellent…

计算机视觉与模式识别 · 计算机科学 2018-07-06 Guanqun Cao , Alexandros Iosifidis , Moncef Gabbouj

Facial landmark detection is an important yet challenging task for real-world computer vision applications. This paper proposes an effective and robust approach for facial landmark detection by combining data- and model-driven methods.…

计算机视觉与模式识别 · 计算机科学 2018-02-13 Hongwen Zhang , Qi Li , Zhenan Sun , Yunfan Liu

The main finding of this work is that the standard image classification pipeline, which consists of dictionary learning, feature encoding, spatial pyramid pooling and linear classification, outperforms all state-of-the-art face recognition…

计算机视觉与模式识别 · 计算机科学 2013-10-01 Fumin Shen , Chunhua Shen

Face recognition systems are usually faced with unseen domains in real-world applications and show unsatisfactory performance due to their poor generalization. For example, a well-trained model on webface data cannot deal with the ID vs.…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Jianzhu Guo , Xiangyu Zhu , Chenxu Zhao , Dong Cao , Zhen Lei , Stan Z. Li

Scaling machine learning methods to very large datasets has attracted considerable attention in recent years, thanks to easy access to ubiquitous sensing and data from the web. We study face recognition and show that three distinct…

计算机视觉与模式识别 · 计算机科学 2015-04-21 Yaniv Taigman , Ming Yang , Marc'Aurelio Ranzato , Lior Wolf

Cross-validation is one of the most popular model selection methods in statistics and machine learning. Despite its wide applicability, traditional cross validation methods tend to select overfitting models, due to the ignorance of the…

统计方法学 · 统计学 2017-12-25 Jing Lei

Much research has been conducted on both face identification and face verification, with greater focus on the latter. Research on face identification has mostly focused on using closed-set protocols, which assume that all probe images used…

计算机视觉与模式识别 · 计算机科学 2017-05-22 Manuel Günther , Steve Cruz , Ethan M. Rudd , Terrance E. Boult

The prototypical network is a prototype classifier based on meta-learning and is widely used for few-shot learning because it classifies unseen examples by constructing class-specific prototypes without adjusting hyper-parameters during…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Mingcheng Hou , Issei Sato

Many face recognition systems boost the performance using deep learning models, but only a few researches go into the mechanisms for dealing with online registration. Although we can obtain discriminative facial features through the…

计算机视觉与模式识别 · 计算机科学 2018-10-29 Hsin-Rung Chou , Jia-Hong Lee , Yi-Ming Chan , Chu-Song Chen

Face image quality is an important factor in facial recognition systems as its verification and recognition accuracy is highly dependent on the quality of image presented. Rejecting low quality images can significantly increase the accuracy…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Vishal Agarwal

Face Recognition is one of the process of identifying people using their face, it has various applications like authentication systems, surveillance systems and law enforcement. Convolutional Neural Networks are proved to be best for facial…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Rohith Pudari , Sunil Bhutada , Sai Pavan Mudavath

The datasets of face recognition contain an enormous number of identities and instances. However, conventional methods have difficulty in reflecting the entire distribution of the datasets because a mini-batch of small size contains only a…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Yonghyun Kim , Wonpyo Park , Jongju Shin

In the post-pandemic era, wearing face masks has posed great challenge to the ordinary face recognition. In the previous study, researchers has applied pretrained VGG16, and ResNet50 to extract features on the elaborate curated existing…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Rui Cai , Xuying Ning , Peter N. Belhumeur

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 matching process. In…

计算机视觉与模式识别 · 计算机科学 2014-02-03 V. Karthikeyan , Manjupriya , C. K. Chithra , M. Divya

Classification systems typically act in isolation, meaning they are required to implicitly memorize the characteristics of all candidate classes in order to classify. The cost of this is increased memory usage and poor sample efficiency. We…

机器学习 · 计算机科学 2018-09-14 Harris Chan , Atef Chaudhury , Kevin Shen