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Face frontalization refers to the process of synthesizing the frontal view of a face from a given profile. Due to self-occlusion and appearance distortion in the wild, it is extremely challenging to recover faithful results and preserve…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Jie Cao , Yibo Hu , Hongwen Zhang , Ran He , Zhenan Sun

Recognizing the same faces with and without masks is important for ensuring consistent identification in security, access control, and public safety. This capability is crucial in scenarios like law enforcement, healthcare, and…

In this paper, we propose a new max-margin based discriminative feature learning method. Specifically, we aim at learning a low-dimensional feature representation, so as to maximize the global margin of the data and make the samples from…

机器学习 · 计算机科学 2017-04-04 Changsheng Li , Qingshan Liu , Weishan Dong , Xin Zhang , Lin Yang

Similarity-based image hashing represents crucial technique for visual data storage reduction and expedited image search. Conventional hashing schemes typically feed hand-crafted features into hash functions, which separates the procedures…

计算机视觉与模式识别 · 计算机科学 2016-08-15 Yadong Mu , Zhu Liu

The long-tailed distribution is a common phenomenon in the real world. Extracted large scale image datasets inevitably demonstrate the long-tailed property and models trained with imbalanced data can obtain high performance for the…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Konstantinos Panagiotis Alexandridis , Shan Luo , Anh Nguyen , Jiankang Deng , Stefanos Zafeiriou

Face recognition has evolved significantly with the advancement of deep learning techniques, enabling its widespread adoption in various applications requiring secure authentication. However, this progress has also increased its exposure to…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Iurii Medvedev , Nuno Goncalves

Over the past few decades, numerous attempts have been made to address the problem of recovering a high-resolution (HR) facial image from its corresponding low-resolution (LR) counterpart, a task commonly referred to as face hallucination.…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Ali Abbasi , Mohammad Rahmati

Softmax loss is arguably one of the most popular losses to train CNN models for image classification. However, recent works have exposed its limitation on feature discriminability. This paper casts a new viewpoint on the weakness of softmax…

计算机视觉与模式识别 · 计算机科学 2018-05-11 Xiaobo Wang , Shifeng Zhang , Zhen Lei , Si Liu , Xiaojie Guo , Stan Z. Li

Learning-based image compression methods have emerged as state-of-the-art, showcasing higher performance compared to conventional compression solutions. These data-driven approaches aim to learn the parameters of a neural network model…

多媒体 · 计算机科学 2024-03-20 Shima Mohammadi , Yaojun Wu , João Ascenso

Ensuring that AI-based facial recognition systems produce fair predictions and work equally well across all demographic groups is crucial. Earlier systems often exhibited demographic bias, particularly in gender and racial classification,…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Shweta Patel , Dakshina Ranjan Kisku

The key challenge of face recognition is to develop effective feature representations for reducing intra-personal variations while enlarging inter-personal differences. In this paper, we show that it can be well solved with deep learning…

计算机视觉与模式识别 · 计算机科学 2014-06-19 Yi Sun , Xiaogang Wang , Xiaoou Tang

Efficient data compression is crucial for the storage and transmission of visual data. However, in facial expression recognition (FER) tasks, lossy compression often leads to feature degradation and reduced accuracy. To address these…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Xiumei Li , Marc Windsheimer , Misha Sadeghi , Björn Eskofier , André Kaup

With the rapid development of generative models and multimodal content editing technologies, the key challenge faced by synthetic image detection (SID) lies in cross-distribution generalization to unknown generation sources. In recent…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Jiazhen Yang , Junjun Zheng , Kejia Chen , Xiangheng Kong , Jie Lei , Zunlei Feng , Bingde Hu , Yang Gao

A new loss function is proposed for neural networks on classification tasks which extends the hinge loss by assigning gradients to its critical points. We will show that for a linear classifier on linearly separable data with fixed step…

机器学习 · 计算机科学 2020-06-26 Justin Lizama

Deep embeddings answer one simple question: How similar are two images? Learning these embeddings is the bedrock of verification, zero-shot learning, and visual search. The most prominent approaches optimize a deep convolutional network…

计算机视觉与模式识别 · 计算机科学 2018-01-17 Chao-Yuan Wu , R. Manmatha , Alexander J. Smola , Philipp Krähenbühl

Existing convolutional neural network (CNN) based face recognition algorithms typically learn a discriminative feature mapping, using a loss function that enforces separation of features from different classes and/or aggregation of features…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Luo Jiang , Juyong Zhang , Bailin Deng

Nowadays, deep-learning image coding solutions have shown similar or better compression efficiency than conventional solutions based on hand-crafted transforms and spatial prediction techniques. These deep-learning codecs require a large…

多媒体 · 计算机科学 2023-11-13 Shima Mohammadi , Joao Ascenso

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…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao

Recent advances in domain adaptation, especially those applied to heterogeneous facial recognition, typically rely upon restrictive Euclidean loss functions (e.g., $L_2$ norm) which perform best when images from two different domains (e.g.,…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Cedric Nimpa Fondje , Shuowen Hu , Nathaniel J. Short , Benjamin S. Riggan

In this paper, we propose a lightweight and accurate face detection algorithm LAFD (Light and accurate face detection) based on Retinaface. Backbone network in the algorithm is a modified MobileNetV3 network which adjusts the size of the…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Baozhu Liu , Hewei Yu