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The cosine-based softmax losses and their variants achieve great success in deep learning based face recognition. However, hyperparameter settings in these losses have significant influences on the optimization path as well as the final…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Xiao Zhang , Rui Zhao , Yu Qiao , Xiaogang Wang , Hongsheng Li

Due to the successful development of deep image generation technology, forgery detection plays a more important role in social and economic security. Racial bias has not been explored thoroughly in the deep forgery detection field. In the…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Decheng Liu , Zongqi Wang , Chunlei Peng , Nannan Wang , Ruimin Hu , Xinbo Gao

Loss function is crucial for model training and feature representation learning, conventional models usually regard facial attractiveness recognition task as a regression problem, and adopt MSE loss or Huber variant loss as supervision to…

多媒体 · 计算机科学 2020-10-22 Lu Xu , Jinhai Xiang

Convolutional neural networks require numerous data for training. Considering the difficulties in data collection and labeling in some specific tasks, existing approaches generally use models pre-trained on a large source domain (e.g.…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Zhichen Zhao , Bowen Zhang , Yuning Jiang , Li Xu , Lei Li , Wei-Ying Ma

Deep Neural Networks are known to be brittle to even minor distribution shifts compared to the training distribution. While one line of work has demonstrated that Simplicity Bias (SB) of DNNs - bias towards learning only the simplest…

机器学习 · 计算机科学 2022-10-05 Sravanti Addepalli , Anshul Nasery , R. Venkatesh Babu , Praneeth Netrapalli , Prateek Jain

Memory optimization for deep neural network (DNN) inference gains high relevance with the emergence of TinyML, which refers to the deployment of DNN inference tasks on tiny, low-power microcontrollers. Applications such as audio keyword…

机器学习 · 计算机科学 2023-04-03 Rafael Stahl , Daniel Mueller-Gritschneder , Ulf Schlichtmann

Face Recognition (FR) is used in a variety of application domains, from entertainment and banking to security and surveillance. Such applications rely on the FR model to be robust and perform well in a variety of settings. To achieve this,…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Žiga Babnik , Fadi Boutros , Naser Damer , Deepak Kumar Jain , Peter Peer , Vitomir Štruc

Recognition in low quality face datasets is challenging because facial attributes are obscured and degraded. Advances in margin-based loss functions have resulted in enhanced discriminability of faces in the embedding space. Further,…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Minchul Kim , Anil K. Jain , Xiaoming Liu

Our proposed deeply-supervised nets (DSN) method simultaneously minimizes classification error while making the learning process of hidden layers direct and transparent. We make an attempt to boost the classification performance by studying…

机器学习 · 统计学 2017-04-26 Chen-Yu Lee , Saining Xie , Patrick Gallagher , Zhengyou Zhang , Zhuowen Tu

Deep neural networks are easily attacked by imperceptible perturbation. Presently, adversarial training (AT) is the most effective method to enhance the robustness of the model against adversarial examples. However, because adversarial…

机器学习 · 计算机科学 2022-07-13 Xiangyuan Yang , Jie Lin , Hanlin Zhang , Xinyu Yang , Peng Zhao

Self-supervised monocular depth estimation (MDE) models universally suffer from the notorious edge-fattening issue. Triplet loss, as a widespread metric learning strategy, has largely succeeded in many computer vision applications. In this…

计算机视觉与模式识别 · 计算机科学 2023-01-04 Xingyu Chen , Ruonan Zhang , Ji Jiang , Yan Wang , Ge Li , Thomas H. Li

Effective expression feature representations generated by a triplet-based deep metric learning are highly advantageous for facial expression recognition (FER). The performance of triplet-based deep metric learning is contingent upon…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Wenwu Yang , Jinyi Yu , Tuo Chen , Zhenguang Liu , Xun Wang , Jianbing Shen

Convolutional Neural Network (CNN) is a very powerful approach to extract discriminative local descriptors for effective image search. Recent work adopts fine-tuned strategies to further improve the discriminative power of the descriptors.…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Tuan Hoang , Thanh-Toan Do , Dang-Khoa Le Tan , Ngai-Man Cheung

Existing classification-based face recognition methods have achieved remarkable progress, introducing large margin into hypersphere manifold to learn discriminative facial representations. However, the feature distribution is ignored. Poor…

计算机视觉与模式识别 · 计算机科学 2021-07-08 Chengzhi Jiang , Yanzhou Su , Wen Wang , Haiwei Bai , Haijun Liu , Jian Cheng

Deep neural network (DNN) architecture based models have high expressive power and learning capacity. However, they are essentially a black box method since it is not easy to mathematically formulate the functions that are learned within…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Gaurav Goswami , Nalini Ratha , Akshay Agarwal , Richa Singh , Mayank Vatsa

We introduce a new loss function TripleEntropy, to improve classification performance for fine-tuning general knowledge pre-trained language models based on cross-entropy and SoftTriple loss. This loss function can improve the robust…

计算与语言 · 计算机科学 2022-11-28 Witold Sosnowski , Anna Wroblewska , Piotr Gawrysiak

Facial attributes, emerging soft biometrics, must be automatically and reliably extracted from images in order to be usable in stand-alone systems. While recent methods extract facial attributes using deep neural networks (DNNs) trained on…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Andras Rozsa , Manuel Günther , Ethan M. Rudd , Terrance E. Boult

There has been a rapid advance of custom hardware (HW) for accelerating the inference speed of deep neural networks (DNNs). Previously, the softmax layer was not a main concern of DNN accelerating HW, because its portion is relatively small…

机器学习 · 计算机科学 2021-11-23 Ihor Vasyltsov , Wooseok Chang

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

The cross-entropy softmax loss is the primary loss function used to train deep neural networks. On the other hand, the focal loss function has been demonstrated to provide improved performance when there is an imbalance in the number of…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Leslie N. Smith