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Reinforcement Learning (RL) has been shown to significantly boost reasoning capabilities of large language models (LLMs) in math, coding, and multi-hop reasoning tasks. However, RL fine-tuning requires abundant high-quality verifiable data,…

The effectiveness of Contrastive Language-Image Pre-training (CLIP) models critically depends on the semantic diversity and quality of their training data. However, while existing synthetic data generation methods primarily focus on…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Yuanxiang Huangfu , Chaochao Wang , Weilei Wang

Training and fine-tuning deep learning models, especially large language models (LLMs), on limited and imbalanced datasets poses substantial challenges. These issues often result in poor generalization, where models overfit to dominant…

计算与语言 · 计算机科学 2025-01-14 Ashok Choudhary , Cornelius Thiels , Hojjat Salehinejad

The advancement of large language models (LLMs) is critically dependent on the availability of high-quality datasets for Supervised Fine-Tuning (SFT), alignment tasks like Direct Preference Optimization (DPO), etc. In this work, we present…

While large language models (LLMs) are pretrained on massive amounts of data, their knowledge coverage remains incomplete in specialized, data-scarce domains, motivating extensive efforts to study synthetic data generation for knowledge…

机器学习 · 计算机科学 2026-03-24 Kexian Tang , Jiani Wang , Shaowen Wang , Kaifeng Lyu

This paper presents a novel approach to generate synthetic dataset for handwritten word recognition systems. It is difficult to recognize handwritten scripts for which sufficient training data is not readily available or it may be expensive…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Partha Pratim Roy , Akash Mohta , Bidyut B. Chaudhuri

Mixup is a well-known data-dependent augmentation technique for DNNs, consisting of two sub-tasks: mixup generation and classification. However, the recent dominant online training method confines mixup to supervised learning (SL), and the…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Siyuan Li , Zicheng Liu , Zedong Wang , Di Wu , Zihan Liu , Stan Z. Li

Supervised training of an automated medical image analysis system often requires a large amount of expert annotations that are hard to collect. Moreover, the proportions of data available across different classes may be highly imbalanced…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Yuan Xue , Jiarong Ye , Rodney Long , Sameer Antani , Zhiyun Xue , Xiaolei Huang

Sign language recognition (SLR) is vital for bridging communication gaps between deaf and hearing communities. Vision-based approaches suffer from occlusion, computational costs, and physical constraints. This work presents a comparison of…

信号处理 · 电气工程与系统科学 2026-04-09 Meshv Patel , Bikash Baro , Sayan Bayan , Mohendra Roy

Synthetic data offers a promising path to train models while preserving data privacy. Differentially private (DP) finetuning of large language models (LLMs) as data generator is effective, but is impractical when computation resources are…

计算与语言 · 计算机科学 2025-07-18 Bowen Tan , Zheng Xu , Eric Xing , Zhiting Hu , Shanshan Wu

Most deep-learning-based continuous sign language recognition (CSLR) models share a similar backbone consisting of a visual module, a sequential module, and an alignment module. However, due to limited training samples, a connectionist…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Ronglai Zuo , Brian Mak

Deep learning-based prediction models for High-Level Synthesis (HLS) of hardware designs often struggle to generalize. In this paper, we study how to close the generalizability gap of these models through pretraining on synthetic data and…

机器学习 · 计算机科学 2025-07-22 Zijian Ding , Tung Nguyen , Weikai Li , Aditya Grover , Yizhou Sun , Jason Cong

The automatic recognition of pathological speech, particularly from children with any articulatory impairment, is a challenging task due to various reasons. The lack of available domain specific data is one such obstacle that hinders its…

音频与语音处理 · 电气工程与系统科学 2021-10-05 Protima Nomo Sudro , Rohan Kumar Das , Rohit Sinha , S. R. Mahadeva Prasanna

Handwritten Text Recognition has achieved an impressive performance in public benchmarks. However, due to the high inter- and intra-class variability between handwriting styles, such recognizers need to be trained using huge volumes of…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Lei Kang , Pau Riba , Marçal Rusiñol , Alicia Fornés , Mauricio Villegas

While Multimodal Large Language Models have achieved human-like performance on many visual and textual reasoning tasks, their proficiency in fine-grained spatial understanding, such as route tracing on maps remains limited. Unlike humans,…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Artemis Panagopoulou , Aveek Purohit , Achin Kulshrestha , Soroosh Yazdani , Mohit Goyal

In recent years, self-supervised learning has been studied to deal with the limitation of available labeled-dataset. Among the major components of self-supervised learning, the data augmentation pipeline is one key factor in enhancing the…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Van-Nhiem Tran , Chi-En Huang , Shen-Hsuan Liu , Kai-Lin Yang , Timothy Ko , Yung-Hui Li

Through alignment with human preferences, Large Language Models (LLMs) have advanced significantly in generating honest, harmless, and helpful responses. However, collecting high-quality preference data is a resource-intensive and…

计算与语言 · 计算机科学 2024-10-10 Qingxiu Dong , Li Dong , Xingxing Zhang , Zhifang Sui , Furu Wei

In recent years, deep learning techniques have been used to develop sign language recognition systems, potentially serving as a communication tool for millions of hearing-impaired individuals worldwide. However, there are inherent…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Alvaro Leandro Cavalcante Carneiro , Denis Henrique Pinheiro Salvadeo , Lucas de Brito Silva

Synthetically-generated data plays an increasingly larger role in training large language models. However, while synthetic data has been found to be useful, studies have also shown that without proper curation it can cause LLM performance…

机器学习 · 计算机科学 2025-12-02 Kareem Amin , Sara Babakniya , Alex Bie , Weiwei Kong , Umar Syed , Sergei Vassilvitskii

The complexity of Sign Language (SL) data processing brings many challenges. The current approach to recognition of SL signs aims to translate RGB sign language videos through pose information into Word-based ID Glosses, which serve to…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Sen Fang , Yalin Feng , Chunyu Sui , Hongbin Zhong , Yanxin Zhang , Hongwei Yi , Hezhen Hu , Dimitris N. Metaxas