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Imitation learning has achieved great success in many sequential decision-making tasks, in which a neural agent is learned by imitating collected human demonstrations. However, existing algorithms typically require a large number of…

机器学习 · 计算机科学 2023-06-14 Tianxiang Zhao , Wenchao Yu , Suhang Wang , Lu Wang , Xiang Zhang , Yuncong Chen , Yanchi Liu , Wei Cheng , Haifeng Chen

Prompt quality plays a critical role in the performance of large language models (LLMs), motivating a growing body of work on prompt optimization. Most existing methods optimize prompts over a fixed dataset, assuming static input…

计算与语言 · 计算机科学 2026-01-28 Yaoning Yu , Ye Yu , Peiyan Zhang , Kai Wei , Haojing Luo , Haohan Wang

Deep Learning has seen an unprecedented increase in vision applications since the publication of large-scale object recognition datasets and introduction of scalable compute hardware. State-of-the-art methods for most vision tasks for…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Nikita Jaipuria , Xianling Zhang , Rohan Bhasin , Mayar Arafa , Punarjay Chakravarty , Shubham Shrivastava , Sagar Manglani , Vidya N. Murali

In this paper, we present DevFormer, a novel transformer-based architecture for addressing the complex and computationally demanding problem of hardware design optimization. Despite the demonstrated efficacy of transformers in domains…

机器学习 · 计算机科学 2023-06-08 Haeyeon Kim , Minsu Kim , Federico Berto , Joungho Kim , Jinkyoo Park

Synthetic data generation has become an increasingly popular way of training models without the need for large, manually labeled datasets. For tasks like text embedding, synthetic data offers diverse and scalable training examples,…

计算与语言 · 计算机科学 2024-11-05 Haonan Chen , Liang Wang , Nan Yang , Yutao Zhu , Ziliang Zhao , Furu Wei , Zhicheng Dou

The Synthetic Control method has pioneered a class of powerful data-driven techniques to estimate the counterfactual reality of a unit from donor units. At its core, the technique involves a linear model fitted on the pre-intervention…

人工智能 · 计算机科学 2022-11-28 Bhishma Dedhia , Roshini Balasubramanian , Niraj K. Jha

Synthetic data serves as an alternative in training machine learning models, particularly when real-world data is limited or inaccessible. However, ensuring that synthetic data mirrors the complex nuances of real-world data is a challenging…

机器学习 · 计算机科学 2023-10-27 Lasse Hansen , Nabeel Seedat , Mihaela van der Schaar , Andrija Petrovic

The emergence of synthetic data for privacy protection, training data generation, or simply convenient access to quasi-realistic data in any shape or volume complicates the concept of ground truth. Synthetic data mimic real-world…

计算机与社会 · 计算机科学 2025-09-18 Dietmar Offenhuber

As synthetic imagery is used more frequently in training deep models, it is important to understand how different synthesis techniques impact the performance of such models. In this work, we perform a thorough evaluation of the…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Kristofer Schlachter , Connor DeFanti , Sebastian Herscher , Ken Perlin , Jonathan Tompson

Data augmentation is an important facilitator of deep learning applications in the time series domain. A gap is identified in the literature, demonstrating sparse exploration of the transformer, the dominant sequence model, for data…

Reinforcement learning (RL) is a powerful way to adapt foundation models to specialized tasks, but its reliance on large-scale human-labeled data limits broad adoption. We introduce Synthetic Data RL, a simple and general framework that…

计算与语言 · 计算机科学 2025-05-26 Yiduo Guo , Zhen Guo , Chuanwei Huang , Zi-Ang Wang , Zekai Zhang , Haofei Yu , Huishuai Zhang , Yikang Shen

A major limitation to advances in fingerprint spoof detection is the lack of publicly available, large-scale fingerprint spoof datasets, a problem which has been compounded by increased concerns surrounding privacy and security of biometric…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Steven A. Grosz , Anil K. Jain

Large language models (LLMs) have achieved strong performance across a wide range of tasks, but they are also prone to sycophancy, the tendency to agree with user statements regardless of validity. Previous research has outlined both the…

计算与语言 · 计算机科学 2026-03-31 Bayan Abdullah Aldahlawi , A. B. M. Ashikur Rahman , Irfan Ahmad

Recent advances in generative modelling have led many to see synthetic data as the go-to solution for a range of problems around data access, scarcity, and under-representation. In this paper, we study three prominent use cases: (1) Sharing…

机器学习 · 计算机科学 2026-02-04 Bogdan Kulynych , Theresa Stadler , Jean Louis Raisaro , Carmela Troncoso

In this paper, the authors report a way to use concepts from statistical learning to gain an advantage in terms of error exponents while communicating over a discrete memoryless channel. The study utilizes the simulation capability of the…

信息论 · 计算机科学 2022-08-09 Aman Chawla , Salvatore Domenic Morgera

Transformer architecture has been very successful long runner in the field of Deep Learning (DL) and Large Language Models (LLM) because of its powerful attention-based learning and parallel-natured architecture. As the models grow gigantic…

机器学习 · 计算机科学 2026-01-21 Phani Kumar , Nyshadham , Jyothendra Varma , Polisetty V R K , Aditya Rathore

Large language models (LLMs) have shown remarkable effectiveness across various domains, with data augmentation methods utilizing GPT for synthetic data generation becoming prevalent. However, the quality and utility of augmented data…

计算与语言 · 计算机科学 2025-01-27 Zeao Tu , Xiangdi Meng , Yu He , Zihan Yao , Tianyu Qi , Jun Liu , Ming Li

Transformers have demonstrated effectiveness in in-context solving data-fitting problems from various (latent) models, as reported by Garg et al. However, the absence of an inherent iterative structure in the transformer architecture…

机器学习 · 计算机科学 2024-03-19 Liu Yang , Kangwook Lee , Robert Nowak , Dimitris Papailiopoulos

High-fidelity speech can be synthesized by end-to-end text-to-speech models in recent years. However, accessing and controlling speech attributes such as speaker identity, prosody, and emotion in a text-to-speech system remains a challenge.…

音频与语音处理 · 电气工程与系统科学 2020-08-05 Zexin Cai , Chuxiong Zhang , Ming Li

The increasing applications of autonomous driving systems necessitates large-scale, high-quality datasets to ensure robust performance across diverse scenarios. Synthetic data has emerged as a viable solution to augment real-world datasets…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Enes Özeren , Arka Bhowmick