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相关论文: SimLoss: Class Similarities in Cross Entropy

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We propose a permutation-invariant loss function designed for the neural networks reconstructing a set of elements without considering the order within its vector representation. Unlike popular approaches for encoding and decoding a set,…

机器学习 · 计算机科学 2018-12-06 Masataro Asai

In machine learning, the cost function is crucial because it measures how good or bad a system is. In image classification, well-known networks only consider modifying the network structures and applying cross-entropy loss at the end of the…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Trung Dung Do , Cheng-Bin Jin , Hakil Kim , Van Huan Nguyen

In computer vision, it is often observed that formulating regression problems as a classification task often yields better performance. We investigate this curious phenomenon and provide a derivation to show that classification, with the…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Shihao Zhang , Linlin Yang , Michael Bi Mi , Xiaoxu Zheng , Angela Yao

With the development of convolutional neural networks (CNNs) in recent years, the network structure has become more and more complex and varied, and has achieved very good results in pattern recognition, image classification, object…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Qiuyu Zhu , Pengju Zhang , Xin Ye

Traditional loss functions, including cross-entropy, contrastive, triplet, and su pervised contrastive losses, used for fine-tuning pre-trained language models such as BERT, operate only within local neighborhoods and fail to account for…

计算与语言 · 计算机科学 2026-05-05 Aditya Sharma , Vinti Agarwal , Rajesh Kumar

Object detection is an important task in computer vision which serves a lot of real-world applications such as autonomous driving, surveillance and robotics. Along with the rapid thrive of large-scale data, numerous state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Trong Huy Phan , Kazuma Yamamoto

Deep neural networks (DNNs) have achieved exceptional performances in many tasks, particularly, in supervised classification tasks. However, achievements with supervised classification tasks are based on large datasets with well-separated…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Kazuma Arino , Yohei Kikuta

Deep neural networks have achieved remarkable performance on a range of classification tasks, with softmax cross-entropy (CE) loss emerging as the de-facto objective function. The CE loss encourages features of a class to have a higher…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Kanchana Ranasinghe , Muzammal Naseer , Munawar Hayat , Salman Khan , Fahad Shahbaz Khan

In this paper, we propose a Dual Focal Loss (DFL) function, as a replacement for the standard cross entropy (CE) function to achieve a better treatment of the unbalanced classes in a dataset. Our DFL method is an improvement on the recently…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Md Sazzad Hossain , Andrew P Paplinski , John M Betts

This paper analyzes and compares different deep learning loss functions in the framework of multi-label remote sensing (RS) image scene classification problems. We consider seven loss functions: 1) cross-entropy loss; 2) focal loss; 3)…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Hichame Yessou , Gencer Sumbul , Begüm Demir

In this work, a discriminatively learned CNN embedding is proposed for remote sensing image scene classification. Our proposed siamese network simultaneously computes the classification loss function and the metric learning loss function of…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Wen Wang , Lijun Du , Yinxing Gao , Yanzhou Su , Feng Wang , Jian Cheng

Classification on imbalanced datasets is a challenging task in real-world applications. Training conventional classification algorithms directly by minimizing classification error in this scenario can compromise model performance for…

机器学习 · 计算机科学 2020-03-05 Xiangrui Li , Dongxiao Zhu

Optical Character Recognition (OCR) is fundamental to Vision-Language Models (VLMs) and high-quality data generation for LLM training. Yet, despite progress in average OCR accuracy, state-of-the-art VLMs still struggle with detecting…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Yulong Zhang , Tianyi Liang , Xinyue Huang , Erfei Cui , Guoqing Wang , Xu Guo , Chenhui Li , Gongshen Liu

Most segmentation losses are arguably variants of the Cross-Entropy (CE) or Dice losses. On the surface, these two categories of losses seem unrelated, and there is no clear consensus as to which category is a better choice, with varying…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Bingyuan Liu , Jose Dolz , Adrian Galdran , Riadh Kobbi , Ismail Ben Ayed

Code Language Models (CLMs), particularly those leveraging deep learning, have achieved significant success in code intelligence domain. However, the issue of security, particularly backdoor attacks, is often overlooked in this process. The…

密码学与安全 · 计算机科学 2025-05-20 Guang Yang , Yu Zhou , Xiang Chen , Xiangyu Zhang , Terry Yue Zhuo , David Lo , Taolue Chen

A large amount of research on Convolutional Neural Networks has focused on flat Classification in the multi-class domain. In the real world, many problems are naturally expressed as problems of hierarchical classification, in which the…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Riccardo La Grassa , Ignazio Gallo , Nicola Landro

Contrastive representation learning has proven to be an effective self-supervised learning method. Most successful approaches are based on Noise Contrastive Estimation (NCE) and use different views of an instance as positives that should be…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Julien Denize , Jaonary Rabarisoa , Astrid Orcesi , Romain Hérault , Stéphane Canu

Deep neural networks have improved image classification dramatically over the past decade, but have done so by focusing on performance measures that treat all classes other than the ground truth as equally wrong. This has led to a situation…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Luca Bertinetto , Romain Mueller , Konstantinos Tertikas , Sina Samangooei , Nicholas A. Lord

Self-training methods have proven to be effective in exploiting abundant unlabeled data in semi-supervised learning, particularly when labeled data is scarce. While many of these approaches rely on a cross-entropy loss function (CE), recent…

机器学习 · 计算机科学 2024-09-12 Aurelien Gauffre , Julien Horvat , Massih-Reza Amini

Cross-entropy is a widely used loss function in applications. It coincides with the logistic loss applied to the outputs of a neural network, when the softmax is used. But, what guarantees can we rely on when using cross-entropy as a…

机器学习 · 计算机科学 2023-06-21 Anqi Mao , Mehryar Mohri , Yutao Zhong