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Weak supervision combines the advantages of training on real data with the ability to exploit signal properties. However, training a neural network using weak supervision often requires an excessive amount of signal data, which severely…

高能物理 - 唯象学 · 物理学 2024-12-23 Zong-En Chen , Cheng-Wei Chiang , Feng-Yang Hsieh

Adversarial examples are helpful for analyzing and improving the robustness of text classifiers. Generating high-quality adversarial examples is a challenging task as it requires generating fluent adversarial sentences that are semantically…

计算与语言 · 计算机科学 2022-10-21 Lei Xu , Alfredo Cuesta-Infante , Laure Berti-Equille , Kalyan Veeramachaneni

Data augmentation is an inexpensive way to increase training data diversity and is commonly achieved via transformations of existing data. For tasks such as classification, there is a good case for learning representations of the data that…

声音 · 计算机科学 2021-04-20 Turab Iqbal , Karim Helwani , Arvindh Krishnaswamy , Wenwu Wang

This paper proposes an approach to cross-language sentence selection in a low-resource setting. It uses data augmentation and negative sampling techniques on noisy parallel sentence data to directly learn a cross-lingual embedding-based…

计算与语言 · 计算机科学 2021-06-07 Yanda Chen , Chris Kedzie , Suraj Nair , Petra Galuščáková , Rui Zhang , Douglas W. Oard , Kathleen McKeown

Standard accuracy metrics have shown that Math Word Problem (MWP) solvers have achieved high performance on benchmark datasets. However, the extent to which existing MWP solvers truly understand language and its relation with numbers is…

计算与语言 · 计算机科学 2021-09-14 Vivek Kumar , Rishabh Maheshwary , Vikram Pudi

Data augmentation has been widely used to improve generalization in training deep neural networks. Recent works show that using worst-case transformations or adversarial augmentation strategies can significantly improve the accuracy and…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Liang Xiao , Jiaolong Xu , Dawei Zhao , Erke Shang , Qi Zhu , Bin Dai

There is a set of data augmentation techniques that ablate parts of the input at random. These include input dropout, cutout, and random erasing. We term these techniques ablated data augmentation. Though these techniques seems similar in…

机器学习 · 计算机科学 2020-06-09 Frederick Liu , Amir Najmi , Mukund Sundararajan

Adaptive learning rate methods have been successfully applied in many fields, especially in training deep neural networks. Recent results have shown that adaptive methods with exponential increasing weights on squared past gradients (i.e.,…

机器学习 · 计算机科学 2021-01-05 Hui Zhong , Zaiyi Chen , Chuan Qin , Zai Huang , Vincent W. Zheng , Tong Xu , Enhong Chen

Data augmentation is an effective performance enhancement in neural machine translation (NMT) by generating additional bilingual data. In this paper, we propose a novel data augmentation enhancement strategy for neural machine translation.…

计算与语言 · 计算机科学 2020-04-30 Sufeng Duan , Hai Zhao , Dongdong Zhang , Rui Wang

Knowledge distillation (KD) is an efficient framework for compressing large-scale pre-trained language models. Recent years have seen a surge of research aiming to improve KD by leveraging Contrastive Learning, Intermediate Layer…

计算与语言 · 计算机科学 2022-04-19 Md Akmal Haidar , Mehdi Rezagholizadeh , Abbas Ghaddar , Khalil Bibi , Philippe Langlais , Pascal Poupart

Crowdsourcing provides an efficient label collection schema for supervised machine learning. However, to control annotation cost, each instance in the crowdsourced data is typically annotated by a small number of annotators. This creates a…

机器学习 · 计算机科学 2021-07-23 Zhendong Chu , Hongning Wang

Automatic Speech Recognition (ASR) is a key element in new services that helps users to interact with an automated system. Deep learning methods have made it possible to deploy systems with word error rates below 5% for ASR of English.…

声音 · 计算机科学 2022-07-15 Rodolfo Zevallos , Nuria Bel , Guillermo Cámbara , Mireia Farrús , Jordi Luque

Adversarial training suffers from robust overfitting, a phenomenon where the robust test accuracy starts to decrease during training. In this paper, we focus on both heuristics-driven and data-driven augmentations as a means to reduce…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Sylvestre-Alvise Rebuffi , Sven Gowal , Dan A. Calian , Florian Stimberg , Olivia Wiles , Timothy Mann

In computer vision, contrastive learning is the most advanced unsupervised learning framework. Yet most previous methods simply apply fixed composition of data augmentations to improve data efficiency, which ignores the changes in their…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yuhan Zhang , He Zhu , Shan Yu

Data augmentation has become a de facto component for training high-performance deep image classifiers, but its potential is under-explored for object detection. Noting that most state-of-the-art object detectors benefit from fine-tuning a…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Xiangning Chen , Cihang Xie , Mingxing Tan , Li Zhang , Cho-Jui Hsieh , Boqing Gong

This paper introduces three self-contained data augmentation methods for low-resource Automatic Speech Recognition (ASR). Our techniques first generate novel text--using gloss-based replacement, random replacement, or an LLM-based…

计算与语言 · 计算机科学 2026-01-21 Katsumi Ibaraki , David Chiang

Adversarial Robustness Distillation (ARD) is a novel method to boost the robustness of small models. Unlike general adversarial training, its robust knowledge transfer can be less easily restricted by the model capacity. However, the…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Yuzheng Wang , Zhaoyu Chen , Dingkang Yang , Yang Liu , Siao Liu , Wenqiang Zhang , Lizhe Qi

Data augmentation is a dominant method for reducing model overfitting and improving generalization. Most existing data augmentation methods tend to find a compromise in augmenting the data, \textit{i.e.}, increasing the amplitude of…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Zehao Wang , Yiwen Guo , Qizhang Li , Guanglei Yang , Wangmeng Zuo

Nowadays, the main problem of deep learning techniques used in the development of automatic speech recognition (ASR) models is the lack of transcribed data. The goal of this research is to propose a new data augmentation method to improve…

计算与语言 · 计算机科学 2022-04-04 Rodolfo Zevallos

Recently Deep Transformer models have proven to be particularly powerful in language modeling tasks for ASR. Their high complexity, however, makes them very difficult to apply in the first (single) pass of an online system. Recent studies…

音频与语音处理 · 电气工程与系统科学 2020-11-05 Balázs Tarján , György Szaszák , Tibor Fegyó , Péter Mihajlik