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While existing work in robust deep learning has focused on small pixel-level norm-based perturbations, this may not account for perturbations encountered in several real-world settings. In many such cases although test data might not be…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Tejas Gokhale , Rushil Anirudh , Bhavya Kailkhura , Jayaraman J. Thiagarajan , Chitta Baral , Yezhou Yang

Exposing diverse subword segmentations to neural machine translation (NMT) models often improves the robustness of machine translation as NMT models can experience various subword candidates. However, the diversification of subword…

计算与语言 · 计算机科学 2020-10-09 Jungsoo Park , Mujeen Sung , Jinhyuk Lee , Jaewoo Kang

We consider the problem of unsupervised domain adaptation in semantic segmentation. The key in this campaign consists in reducing the domain shift, i.e., enforcing the data distributions of the two domains to be similar. A popular strategy…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Yawei Luo , Liang Zheng , Tao Guan , Junqing Yu , Yi Yang

Prompt tuning, or the conditioning of a frozen pretrained language model (PLM) with soft prompts learned from data, has demonstrated impressive performance on a wide range of NLP tasks. However, prompt tuning requires a large training…

计算与语言 · 计算机科学 2022-10-24 Xu Guo , Boyang Li , Han Yu

Code retrieval is a key task aiming to match natural and programming languages. In this work, we propose adversarial learning for code retrieval, that is regularized by question-description relevance. First, we adapt a simple adversarial…

计算与语言 · 计算机科学 2020-11-11 Jie Zhao , Huan Sun

Deep neural networks (DNNs) are known to be prone to adversarial attacks, for which many remedies are proposed. While adversarial training (AT) is regarded as the most robust defense, it suffers from poor performance both on clean examples…

机器学习 · 计算机科学 2020-11-30 Yilun Jin , Lixin Fan , Kam Woh Ng , Ce Ju , Qiang Yang

In the past few years, it has become increasingly evident that deep neural networks are not resilient enough to withstand adversarial perturbations in input data, leaving them vulnerable to attack. Various authors have proposed strong…

计算与语言 · 计算机科学 2023-04-19 Shreya Goyal , Sumanth Doddapaneni , Mitesh M. Khapra , Balaraman Ravindran

State-of-the-art classifiers have been shown to be largely vulnerable to adversarial perturbations. One of the most effective strategies to improve robustness is adversarial training. In this paper, we investigate the effect of adversarial…

机器学习 · 计算机科学 2018-11-27 Seyed-Mohsen Moosavi-Dezfooli , Alhussein Fawzi , Jonathan Uesato , Pascal Frossard

Neural Transfer Learning (TL) is becoming ubiquitous in Natural Language Processing (NLP), thanks to its high performance on many tasks, especially in low-resourced scenarios. Notably, TL is widely used for neural domain adaptation to…

计算与语言 · 计算机科学 2021-06-10 Sara Meftah , Nasredine Semmar , Youssef Tamaazousti , Hassane Essafi , Fatiha Sadat

We now have a rich and growing set of modeling tools and algorithms for inducing linguistic structure from text that is less than fully annotated. In this paper, we discuss some of the weaknesses of our current methodology. We present a new…

计算与语言 · 计算机科学 2012-07-17 Noah A. Smith

In recent years, deep neural networks (DNNs) have been found very successful for multi-label classification (MLC) of remote sensing (RS) images. Self-supervised pre-training combined with fine-tuning on a randomly selected small training…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Lars Möllenbrok , Begüm Demir

Adversarial training (AT) is one of the most reliable methods for defending against adversarial attacks in machine learning. Variants of this method have been used as regularization mechanisms to achieve SOTA results on NLP benchmarks, and…

计算与语言 · 计算机科学 2021-09-30 Javid Ebrahimi , Hao Yang , Wei Zhang

Adversarial Training (AT) with Projected Gradient Descent (PGD) is an effective approach for improving the robustness of the deep neural networks. However, PGD AT has been shown to suffer from two main limitations: i) high computational…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Ahmadreza Jeddi , Mohammad Javad Shafiee , Alexander Wong

Domain-adaptive pre-training (or DA-training for short), also known as post-training, aims to train a pre-trained general-purpose language model (LM) using an unlabeled corpus of a particular domain to adapt the LM so that end-tasks in the…

计算与语言 · 计算机科学 2023-01-24 Zixuan Ke , Yijia Shao , Haowei Lin , Hu Xu , Lei Shu , Bing Liu

Convolution neural networks have achieved remarkable performance in many tasks of computing vision. However, CNN tends to bias to low frequency components. They prioritize capturing low frequency patterns which lead them fail when suffering…

机器学习 · 计算机科学 2020-07-08 Weiyu Guo , Yidong Ouyang

Domain Randomization (DR) is known to require a significant amount of training data for good performance. We argue that this is due to DR's strategy of random data generation using a uniform distribution over simulation parameters, as a…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Rawal Khirodkar , Kris M. Kitani

Large language models (LLMs) acquire extensive prior knowledge through large-scale pretraining and can be further enhanced via supervised fine-tuning (SFT) or reinforcement learning (RL)-based post-training. A growing body of evidence has…

机器学习 · 计算机科学 2026-01-28 Honglin Zhang , Qianyue Hao , Fengli Xu , Yong Li

Convolutional neural network-based approaches for semantic segmentation rely on supervision with pixel-level ground truth, but may not generalize well to unseen image domains. As the labeling process is tedious and labor intensive,…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Yi-Hsuan Tsai , Wei-Chih Hung , Samuel Schulter , Kihyuk Sohn , Ming-Hsuan Yang , Manmohan Chandraker

Fine-tuning pre-trained neural network models has become a widely adopted approach across various domains. However, it can lead to the distortion of pre-trained feature extractors that already possess strong generalization capabilities.…

机器学习 · 计算机科学 2024-03-27 Seokhyeon Ha , Sunbeom Jung , Jungwoo Lee

The large capacity of neural networks enables them to learn complex functions. To avoid overfitting, networks however require a lot of training data that can be expensive and time-consuming to collect. A common practical approach to…

机器学习 · 计算机科学 2020-03-10 Majed El Helou , Frederike Dümbgen , Sabine Süsstrunk