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Top-k error is currently a popular performance measure on large scale image classification benchmarks such as ImageNet and Places. Despite its wide acceptance, our understanding of this metric is limited as most of the previous research is…

计算机视觉与模式识别 · 计算机科学 2016-12-19 Maksim Lapin , Matthias Hein , Bernt Schiele

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

Over the past few years, Convolutional Neural Networks (CNNs) have shown promise on facial expression recognition. However, the performance degrades dramatically under real-world settings due to variations introduced by subtle facial…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Jie Cai , Zibo Meng , Ahmed Shehab Khan , Zhiyuan Li , James O'Reilly , Yan Tong

Convolution Neural Networks (CNN) have recently achieved state-of-the art performance on handwritten Chinese character recognition (HCCR). However, most of CNN models employ the SoftMax activation function and minimize cross entropy loss,…

机器学习 · 计算机科学 2019-09-02 Junyi Zou , Jinliang Zhang , Ludi Wang

Joint Energy-based Model (JEM) of Grathwohl et al. shows that a standard softmax classifier can be reinterpreted as an energy-based model (EBM) for the joint distribution p(x,y); the resulting model can be optimized to improve calibration,…

计算机视觉与模式识别 · 计算机科学 2021-07-05 Xiulong Yang , Hui Ye , Yang Ye , Xiang Li , Shihao Ji

Softmax-based losses have achieved state-of-the-art performances on various tasks such as face recognition and re-identification. However, these methods highly relied on clean datasets with global labels, which limits their usage in many…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Qiang Meng , Xinqian Gu , Xiaqing Xu , Feng Zhou

The paper proposes a 4-step process for highlighting that softlog-softmax cascades can improve both consistency and dependability of the next generation ensemble learning systems. The first process is anatomical in nature: the target…

机器学习 · 计算机科学 2025-06-06 Abdourrahmane Mahamane Atto

In recent years, the performance of face verification systems has significantly improved using deep convolutional neural networks (DCNNs). A typical pipeline for face verification includes training a deep network for subject classification…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Rajeev Ranjan , Carlos D. Castillo , Rama Chellappa

We present a new method for uncertainty estimation and out-of-distribution detection in neural networks with softmax output. We extend softmax layer with an additional constant input. The corresponding additional output is able to represent…

机器学习 · 计算机科学 2019-04-09 Marcin Możejko , Mateusz Susik , Rafał Karczewski

Different from large-scale classification tasks, fine-grained visual classification is a challenging task due to two critical problems: 1) evident intra-class variances and subtle inter-class differences, and 2) overfitting owing to fewer…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Hang Yao , Qiguang Miao , Peipei Zhao , Chaoneng Li , Xin Li , Guanwen Feng , Ruyi Liu

Low resolution fine-grained classification has widespread applicability for applications where data is captured at a distance such as surveillance and mobile photography. While fine-grained classification with high resolution images has…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh

Convolutional Neural Network (CNN) have been widely used in image classification. Over the years, they have also benefited from various enhancements and they are now considered as state of the art techniques for image like data. However,…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Thomas Gonzalez , Antoine Blais , Nicolas Couëllan , Christian Ruiz

Deep neural networks (DNNs) have achieved state-of-the-art results in various pattern recognition tasks. However, they perform poorly on out-of-distribution adversarial examples i.e. inputs that are specifically crafted by an adversary to…

密码学与安全 · 计算机科学 2019-05-09 Chirag Agarwal , Anh Nguyen , Dan Schonfeld

In recent years, the performance of face verification and recognition systems based on deep convolutional neural networks (DCNNs) has significantly improved. A typical pipeline for face verification includes training a deep network for…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Rajeev Ranjan , Ankan Bansal , Hongyu Xu , Swami Sankaranarayanan , Jun-Cheng Chen , Carlos D. Castillo , Rama Chellappa

Recently, clustering with deep network framework has attracted attention of several researchers in the computer vision community. Deep framework gains extensive attention due to its efficiency and scalability towards large-scale and…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Jayasree Saha , Jayanta Mukhopadhyay

The softmax function is a fundamental building block of deep neural networks, commonly used to define output distributions in classification tasks or attention weights in transformer architectures. Despite its widespread use and proven…

Reliable application of machine learning-based decision systems in the wild is one of the major challenges currently investigated by the field. A large portion of established approaches aims to detect erroneous predictions by means of…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Paul F. Jaeger , Carsten T. Lüth , Lukas Klein , Till J. Bungert

Softmax is the most commonly used output function for multiclass problems and is widely used in areas such as vision, natural language processing, and recommendation. A softmax model has linear costs in the number of classes which makes it…

机器学习 · 计算机科学 2018-08-03 Guy Blanc , Steffen Rendle

Deep Metric Learning (DML) loss functions traditionally aim to control the forces of separability and compactness within an embedding space so that the same class data points are pulled together and different class ones are pushed apart.…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Michael G. DeMoor , John J. Prevost

Sample-to-class-based face recognition models can not fully explore the cross-sample relationship among large amounts of facial images, while sample-to-sample-based models require sophisticated pairing processes for training. Furthermore,…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Qiufu Li , Xi Jia , Jiancan Zhou , Linlin Shen , Jinming Duan