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Due to the lack of parallel data in current Grammatical Error Correction (GEC) task, models based on Sequence to Sequence framework cannot be adequately trained to obtain higher performance. We propose two data synthesis methods which can…

Computation and Language · Computer Science 2021-12-28 Liner Yang , Chencheng Wang , Yun Chen , Yongping Du , Erhong Yang

Deep learning-based models have been shown to improve the accuracy of fingerprint recognition. While these algorithms show exceptional performance, they require large-scale fingerprint datasets for training and evaluation. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Rafael Bouzaglo , Yosi Keller

Grammatical error correction, like other machine learning tasks, greatly benefits from large quantities of high quality training data, which is typically expensive to produce. While writing a program to automatically generate realistic…

Computation and Language · Computer Science 2018-10-02 Sudhanshu Kasewa , Pontus Stenetorp , Sebastian Riedel

Model collapse in synthetic data indicates that iterative training on self-generated data leads to a gradual decline in performance. With the proliferation of AI models, synthetic data will fundamentally reshape the web data ecosystem.…

Computation and Language · Computer Science 2025-05-29 Xuekai Zhu , Daixuan Cheng , Hengli Li , Kaiyan Zhang , Ermo Hua , Xingtai Lv , Ning Ding , Zhouhan Lin , Zilong Zheng , Bowen Zhou

The recognition of handwritten mathematical expressions in images and video frames is a difficult and unsolved problem yet. Deep convectional neural networks are basically a promising approach, but typically require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Matthias Springstein , Eric Müller-Budack , Ralph Ewerth

Object recognition and object pose estimation in robotic grasping continue to be significant challenges, since building a labelled dataset can be time consuming and financially costly in terms of data collection and annotation. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Dongmyoung Lee , Wei Chen , Nicolas Rojas

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai

Offline Handwritten Text Recognition (HTR) systems play a crucial role in applications such as historical document digitization, automatic form processing, and biometric authentication. However, their performance is often hindered by the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Yassin Hussein Rassul , Aram M. Ahmed , Polla Fattah , Bryar A. Hassan , Arwaa W. Abdulkareem , Tarik A. Rashid , Joan Lu

Handwriting movements can be leveraged as a unique form of behavioral biometrics, to verify whether a real user is operating a device or application. This task can be framed as a reverse Turing test in which a computer has to detect if an…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Luis A. Leiva , Moises Diaz , Nuwan T. Attygalle , Miguel A. Ferrer , Rejean Plamondon

Performances of Handwritten Text Recognition (HTR) models are largely determined by the availability of labeled and representative training samples. However, in many application scenarios labeled samples are scarce or costly to obtain. In…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Fabian Wolf , Gernot A. Fink

Synthetic data is a standard component in training large language models, yet systematic comparisons across design dimensions, including rephrasing strategy, generator model, and source data, remain absent. We conduct extensive controlled…

As of recent generative adversarial networks have allowed for big leaps in the realism of generated images in diverse domains, not the least of which being handwritten text generation. The generation of realistic-looking hand-written text…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Alexander Mattick , Martin Mayr , Mathias Seuret , Andreas Maier , Vincent Christlein

A growing body of work has focused on text classification methods for detecting the increasing amount of hate speech posted online. This progress has been limited to only a select number of highly-resourced languages causing detection…

Computation and Language · Computer Science 2023-10-05 Aman Khullar , Daniel Nkemelu , Cuong V. Nguyen , Michael L. Best

Training machines to synthesize diverse handwritings is an intriguing task. Recently, RNN-based methods have been proposed to generate stylized online Chinese characters. However, these methods mainly focus on capturing a person's overall…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Gang Dai , Yifan Zhang , Qingfeng Wang , Qing Du , Zhuliang Yu , Zhuoman Liu , Shuangping Huang

Representing a space of handwriting stroke styles includes the challenge of representing both the style of each character and the overall style of the human writer. Existing VRNN approaches to representing handwriting often do not…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Atsunobu Kotani , Stefanie Tellex , James Tompkin

Modern large language models often encode sensitive, harmful, or copyrighted knowledge, raising the need for post-hoc unlearning-the ability to remove specific domains of knowledge from a model without full retraining. A major bottleneck in…

Computation and Language · Computer Science 2025-10-08 Xiaoyuan Zhu , Muru Zhang , Ollie Liu , Robin Jia , Willie Neiswanger

Recognition of Handwritten Mathematical Expressions (HMEs) is a challenging problem because of the ambiguity and complexity of two-dimensional handwriting. Moreover, the lack of large training data is a serious issue, especially for…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Anh Duc Le , Bipin Indurkhya , Masaki Nakagawa

Limited data availability is a challenging problem in the latent fingerprint domain. Synthetically generated fingerprints are vital for training data-hungry neural network-based algorithms. Conventional methods distort clean fingerprints to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Amol S. Joshi , Ali Dabouei , Nasser Nasrabadi , Jeremy Dawson

We present a task-aware approach to synthetic data generation. Our framework employs a trainable synthesizer network that is optimized to produce meaningful training samples by assessing the strengths and weaknesses of a `target' network.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Shashank Tripathi , Siddhartha Chandra , Amit Agrawal , Ambrish Tyagi , James M. Rehg , Visesh Chari

Accurate and comprehensive clinical documentation is crucial for delivering high-quality healthcare, facilitating effective communication among providers, and ensuring compliance with regulatory requirements. However, manual transcription…

Computation and Language · Computer Science 2024-06-12 Anjanava Biswas , Wrick Talukdar