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Fine-tuning pre-trained cross-lingual language models can transfer task-specific supervision from one language to the others. In this work, we propose to improve cross-lingual fine-tuning with consistency regularization. Specifically, we…

计算与语言 · 计算机科学 2021-06-16 Bo Zheng , Li Dong , Shaohan Huang , Wenhui Wang , Zewen Chi , Saksham Singhal , Wanxiang Che , Ting Liu , Xia Song , Furu Wei

In this paper, we focus on the separability of classes with the cross-entropy loss function for classification problems by theoretically analyzing the intra-class distance and inter-class distance (i.e. the distance between any two points…

机器学习 · 计算机科学 2019-09-17 Rudrajit Das , Subhasis Chaudhuri

This paper investigates the impact of the loss function in value-based methods for reinforcement learning through an analysis of underlying prediction objectives. We theoretically show that mean absolute error is a better prediction…

机器学习 · 计算机科学 2025-11-11 Alex Ayoub , David Szepesvári , Alireza Bakhtiari , Csaba Szepesvári , Dale Schuurmans

We propose a method that substantially improves the efficiency of deep distance metric learning based on the optimization of the triplet loss function. One epoch of such training process based on a naive optimization of the triplet loss…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Thanh-Toan Do , Toan Tran , Ian Reid , Vijay Kumar , Tuan Hoang , Gustavo Carneiro

Deep Learning has become interestingly popular in computer vision, mostly attaining near or above human-level performance in various vision tasks. But recent work has also demonstrated that these deep neural networks are very vulnerable to…

机器学习 · 计算机科学 2020-12-09 Shashi Kant Gupta

We consider training decision trees using noisily labeled data, focusing on loss functions that can lead to robust learning algorithms. Our contributions are threefold. First, we offer novel theoretical insights on the robustness of many…

机器学习 · 计算机科学 2024-01-24 Jonathan Wilton , Nan Ye

Robust loss functions are essential for training accurate deep neural networks (DNNs) in the presence of noisy (incorrect) labels. It has been shown that the commonly used Cross Entropy (CE) loss is not robust to noisy labels. Whilst new…

机器学习 · 计算机科学 2020-06-25 Xingjun Ma , Hanxun Huang , Yisen Wang , Simone Romano , Sarah Erfani , James Bailey

Fine-tuning pre-trained foundational language models (FLM) for specific tasks is often impractical, especially for resource-constrained devices. This necessitates the development of a Lifelong Learning (L3) framework that continuously…

计算与语言 · 计算机科学 2023-11-14 Aidin Shiri , Kaushik Roy , Amit Sheth , Manas Gaur

In this paper, we study bidirectional LSTM network for the task of text classification using both supervised and semi-supervised approaches. Several prior works have suggested that either complex pretraining schemes using unsupervised…

计算与语言 · 计算机科学 2020-09-10 Devendra Singh Sachan , Manzil Zaheer , Ruslan Salakhutdinov

Large-scale pre-trained language models have demonstrated high performance on standard datasets for natural language inference (NLI) tasks. Unfortunately, these evaluations can be misleading, as although the models can perform well on…

计算与语言 · 计算机科学 2025-01-09 Daniel Petrov

Pseudo-labels are widely employed in weakly supervised 3D segmentation tasks where only sparse ground-truth labels are available for learning. Existing methods often rely on empirical label selection strategies, such as confidence…

计算机视觉与模式识别 · 计算机科学 2023-10-23 Liyao Tang , Zhe Chen , Shanshan Zhao , Chaoyue Wang , Dacheng Tao

Fine-grained visual recognition aims to capture discriminative characteristics amongst visually similar categories. The state-of-the-art research work has significantly improved the fine-grained recognition performance by deep metric…

计算机视觉与模式识别 · 计算机科学 2017-03-02 Yan Bai , Feng Gao , Yihang Lou , Shiqi Wang , Tiejun Huang , Ling-Yu Duan

Pre-trained models have achieved state-of-the-art results in various Natural Language Processing (NLP) tasks. Recent works such as T5 and GPT-3 have shown that scaling up pre-trained language models can improve their generalization…

Adaptive loss function formulation is an active area of research and has gained a great deal of popularity in recent years, following the success of deep learning. However, existing frameworks of adaptive loss functions often suffer from…

机器学习 · 计算机科学 2020-01-01 A. Ali Heydari , Craig A. Thompson , Asif Mehmood

Object grasping is a crucial technology enabling robots to perceive and interact with the environment sufficiently. However, in practical applications, researchers are faced with missing or noisy ground truth while training the…

机器人学 · 计算机科学 2024-09-10 Yangfan Deng , Mengyao Zhang , Yong Zhao

The analysis of software requirement specifications (SRS) using Natural Language Processing (NLP) methods has been an important study area in the software engineering field in recent years. Especially thanks to the advances brought by deep…

软件工程 · 计算机科学 2023-01-03 Savas Yildirim , Mucahit Cevik , Devang Parikh , Ayse Basar

Speaker embeddings become growing popular in the text-independent speaker verification task. In this paper, we propose two improvements during the training stage. The improvements are both based on triplet cause the training stage and the…

音频与语音处理 · 电气工程与系统科学 2019-08-08 Zongze Ren , Zhiyong Chen , Shugong Xu

Supervised Fine-Tuning (SFT) is a critical step for enhancing the instruction-following capabilities of Large Language Models (LLMs) and adapting them to specialized domains. However, SFT often leads to a degradation of the model's general…

计算与语言 · 计算机科学 2025-07-01 Fei Ding , Baiqiao Wang

The triplet loss with semi-hard negatives has become the de facto choice for image-caption retrieval (ICR) methods that are optimized from scratch. Recent progress in metric learning has given rise to new loss functions that outperform the…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Maurits Bleeker , Maarten de Rijke

Multi-class classification problems often have many semantically similar classes. For example, 90 of ImageNet's 1000 classes are for different breeds of dog. We should expect that these semantically similar classes will have similar…

机器学习 · 计算机科学 2022-04-19 Yujie Wang , Mike Izbicki