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The goal of this paper is to optimize the training process of diffusion-based text-to-speech models. While recent studies have achieved remarkable advancements, their training demands substantial time and computational costs, largely due to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-02 Jeongsoo Choi , Zhikang Niu , Ji-Hoon Kim , Chunhui Wang , Joon Son Chung , Xie Chen

This paper studies the fast adaptive beamforming for the multiuser multiple-input single-output downlink. Existing deep learning-based approaches assume that training and testing channels follow the same distribution which causes task…

Information Theory · Computer Science 2021-09-21 Juping Zhang , Yi Yuan , Gan Zheng , Ioannis Krikidis , Kai-Kit Wong

Interactive and embodied tasks pose at least two fundamental challenges to existing Vision & Language (VL) models, including 1) grounding language in trajectories of actions and observations, and 2) referential disambiguation. To tackle…

Deep neural networks are susceptible to adversarial attacks and common corruptions, which undermine their robustness. In order to enhance model resilience against such challenges, Adversarial Training (AT) has emerged as a prominent…

Machine Learning · Computer Science 2025-06-17 Tejaswini Medi , Steffen Jung , Margret Keuper

We introduce a novel tracklet-based dataset for benchmarking test-time adaptation (TTA) methods. The aim of this dataset is to mimic the intricate challenges encountered in real-world environments such as images captured by hand-held…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Shyma Alhuwaider , Motasem Alfarra , Juan C. Perez , Merey Ramazanova , Bernard Ghanem

A key component of modern conversational systems is the Dialogue State Tracker (or DST), which models a user's goals and needs. Toward building more robust and reliable DSTs, we introduce a prompt-based learning approach to automatically…

Computation and Language · Computer Science 2023-06-08 Xiangjue Dong , Yun He , Ziwei Zhu , James Caverlee

Adversarial training (AT) is a prominent technique employed by deep learning models to defend against adversarial attacks, and to some extent, enhance model robustness. However, there are three main drawbacks of the existing AT-based…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 X. Peng , D. Zhou , G. Sun , J. Shi , L. Wu

In this work, we present a hybrid learning method for training task-oriented dialogue systems through online user interactions. Popular methods for learning task-oriented dialogues include applying reinforcement learning with user feedback…

Computation and Language · Computer Science 2018-04-19 Bing Liu , Gokhan Tur , Dilek Hakkani-Tur , Pararth Shah , Larry Heck

Recently, a multitude of methods for image-to-image translation have demonstrated impressive results on problems such as multi-domain or multi-attribute transfer. The vast majority of such works leverages the strengths of adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 James Oldfield , Yannis Panagakis , Mihalis A. Nicolaou

Learning from demonstrations has made great progress over the past few years. However, it is generally data hungry and task specific. In other words, it requires a large amount of data to train a decent model on a particular task, and the…

Machine Learning · Computer Science 2021-03-29 Pin Wang , Hanhan Li , Ching-Yao Chan

In this work, we propose an adversarial learning method for reward estimation in reinforcement learning (RL) based task-oriented dialog models. Most of the current RL based task-oriented dialog systems require the access to a reward signal…

Computation and Language · Computer Science 2018-05-31 Bing Liu , Ian Lane

In Federated Learning (FL), models are as fragile as centrally trained models against adversarial examples. However, the adversarial robustness of federated learning remains largely unexplored. This paper casts light on the challenge of…

Machine Learning · Computer Science 2023-02-21 Jie Zhang , Bo Li , Chen Chen , Lingjuan Lyu , Shuang Wu , Shouhong Ding , Chao Wu

Adversarial attacks are valuable for providing insights into the blind-spots of deep learning models and help improve their robustness. Existing work on adversarial attacks have mainly focused on static scenes; however, it remains unclear…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Aishan Liu , Tairan Huang , Xianglong Liu , Yitao Xu , Yuqing Ma , Xinyun Chen , Stephen J. Maybank , Dacheng Tao

Recent developments in biosignal processing have enabled users to exploit their physiological status for manipulating devices in a reliable and safe manner. One major challenge of physiological sensing lies in the variability of biosignals…

Machine Learning · Computer Science 2020-10-28 Mo Han , Ozan Ozdenizci , Ye Wang , Toshiaki Koike-Akino , Deniz Erdogmus

Embodied instruction following is a challenging problem requiring an agent to infer a sequence of primitive actions to achieve a goal environment state from complex language and visual inputs. Action Learning From Realistic Environments and…

Artificial Intelligence · Computer Science 2021-01-12 Shane Storks , Qiaozi Gao , Govind Thattai , Gokhan Tur

This paper tackles the problem of how to pre-train a model and make it generally reusable backbones for downstream task learning. In pre-training, we propose a method that builds an agent-environment interaction model by learning domain…

Machine Learning · Computer Science 2022-11-16 Jun Jin , Hongming Zhang , Jun Luo

Reward function specification, which requires considerable human effort and iteration, remains a major impediment for learning behaviors through deep reinforcement learning. In contrast, providing visual demonstrations of desired behaviors…

Machine Learning · Computer Science 2022-06-29 Rafael Rafailov , Tianhe Yu , Aravind Rajeswaran , Chelsea Finn

Transcribed datasets typically contain speaker identity for each instance in the data. We investigate two ways to incorporate this information during training: Multi-Task Learning and Adversarial Learning. In multi-task learning, the goal…

Machine Learning · Computer Science 2019-02-15 Yossi Adi , Neil Zeghidour , Ronan Collobert , Nicolas Usunier , Vitaliy Liptchinsky , Gabriel Synnaeve

Recent developments in wearable sensors demonstrate promising results for monitoring physiological status in effective and comfortable ways. One major challenge of physiological status assessment is the problem of transfer learning caused…

Signal Processing · Electrical Eng. & Systems 2020-04-20 Mo Han , Ozan Ozdenizci , Ye Wang , Toshiaki Koike-Akino , Deniz Erdogmus

The visual dialog task attempts to train an agent to answer multi-turn questions given an image, which requires the deep understanding of interactions between the image and dialog history. Existing researches tend to employ the…

Computation and Language · Computer Science 2022-02-23 Tong Ye , Shijing Si , Jianzong Wang , Rui Wang , Ning Cheng , Jing Xiao