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This paper proposes multiscale convolutional neural network (CNN)-based deep metric learning for bioacoustic classification, under low training data conditions. The proposed CNN is characterized by the utilization of four different filter…

音频与语音处理 · 电气工程与系统科学 2019-09-04 Anshul Thakur , Daksh Thapar , Padmanabhan Rajan , Aditya Nigam

The amount of manually labeled data is limited in medical applications, so semi-supervised learning and automatic labeling strategies can be an asset for training deep neural networks. However, the quality of the automatically generated…

机器学习 · 计算机科学 2022-03-04 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

In many large-scale classification problems, classes are organized in a known hierarchy, typically represented as a tree expressing the inclusion of classes in superclasses. We introduce a loss for this type of supervised hierarchical…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Nicolas Urbani , Sylvain Rousseau , Yves Grandvalet , Leonardo Tanzi

Deep neural networks (DNNs) have achieved tremendous success in a variety of applications across many disciplines. Yet, their superior performance comes with the expensive cost of requiring correctly annotated large-scale datasets.…

机器学习 · 计算机科学 2018-12-03 Zhilu Zhang , Mert R. Sabuncu

We present the Tamed Cross Entropy (TCE) loss function, a robust derivative of the standard Cross Entropy (CE) loss used in deep learning for classification tasks. However, unlike other robust losses, the TCE loss is designed to exhibit the…

机器学习 · 计算机科学 2018-10-12 Manuel Martinez , Rainer Stiefelhagen

We explore the potential for using a nonsmooth loss function based on the max-norm in the training of an artificial neural network. We hypothesise that this may lead to superior classification results in some special cases where the…

机器学习 · 计算机科学 2021-07-20 Vinesha Peiris , Nadezda Sukhorukova , Vera Roshchina

Dataset creation is typically one of the first steps when applying Artificial Intelligence methods to a new task; and the real world performance of models hinges on the quality and quantity of data available. Producing an image dataset for…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Will Nash , Tom Drummond , Nick Birbilis

Cross-entropy loss with softmax output is a standard choice to train neural network classifiers. We give a new view of neural network classifiers with softmax and cross-entropy as mutual information evaluators. We show that when the dataset…

机器学习 · 计算机科学 2021-08-17 Zhenyue Qin , Dongwoo Kim , Tom Gedeon

Previous work shows that adversarially robust generalization requires larger sample complexity, and the same dataset, e.g., CIFAR-10, which enables good standard accuracy may not suffice to train robust models. Since collecting new training…

机器学习 · 计算机科学 2020-02-21 Tianyu Pang , Kun Xu , Yinpeng Dong , Chao Du , Ning Chen , Jun Zhu

Nearly all practical neural models for classification are trained using cross-entropy loss. Yet this ubiquitous choice is supported by little theoretical or empirical evidence. Recent work (Hui & Belkin, 2020) suggests that training using…

机器学习 · 计算机科学 2023-02-09 Like Hui , Mikhail Belkin , Stephen Wright

Cross-entropy loss together with softmax is arguably one of the most common used supervision components in convolutional neural networks (CNNs). Despite its simplicity, popularity and excellent performance, the component does not explicitly…

机器学习 · 统计学 2017-11-21 Weiyang Liu , Yandong Wen , Zhiding Yu , Meng Yang

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

The cross entropy loss is widely used due to its effectiveness and solid theoretical grounding. However, as training progresses, the loss tends to focus on hard to classify samples, which may prevent the network from obtaining gains in…

机器学习 · 计算机科学 2021-09-14 Barak Battash , Lior Wolf , Tamir Hazan

Person recognition aims at recognizing the same identity across time and space with complicated scenes and similar appearance. In this paper, we propose a novel method to address this task by training a network to obtain robust and…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Yu Liu , Hongyang Li , Xiaogang Wang

Recently, deep learning models have achieved great success in computer vision applications, relying on large-scale class-balanced datasets. However, imbalanced class distributions still limit the wide applicability of these models due to…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Yechan Kim , Younkwan Lee , Moongu Jeon

In general, sufficient data is essential for the better performance and generalization of deep-learning models. However, lots of limitations(cost, resources, etc.) of data collection leads to lack of enough data in most of the areas. In…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Byeongjo Kim , Chanran Kim , Jaehoon Lee , Jein Song , Gyoungsoo Park

ConvNets achieve good results when training from clean data, but learning from noisy labels significantly degrades performances and remains challenging. Unlike previous works constrained by many conditions, making them infeasible to real…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Jiangfan Han , Ping Luo , Xiaogang Wang

Deep neural network-based classifiers trained with the categorical cross-entropy (CCE) loss are sensitive to label noise in the training data. One common type of method that can mitigate the impact of label noise can be viewed as supervised…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Aritra Ghosh , Andrew Lan

Cross-entropy loss is the standard metric used to train classification models in deep learning and gradient boosting. It is well-known that this loss function fails to account for similarities between the different values of the target. We…

机器学习 · 统计学 2022-06-16 Brian Lucena

Modern neural networks have the capacity to overfit noisy labels frequently found in real-world datasets. Although great progress has been made, existing techniques are limited in providing theoretical guarantees for the performance of the…

机器学习 · 计算机科学 2020-11-17 Baharan Mirzasoleiman , Kaidi Cao , Jure Leskovec