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Optical implementations of neural networks (ONNs) herald the next-generation high-speed and energy-efficient deep learning computing by harnessing the technical advantages of large bandwidth and high parallelism of optics. However, due to…

新兴技术 · 计算机科学 2021-12-16 Shaofu Xu , Jing Wang , Haowen Shu , Zhike Zhang , Sicheng Yi , Bowen Bai , Xingjun Wang , Jianguo Liu , Weiwen Zou

The project comes with the technique of OCR (Optical Character Recognition) which includes various research sides of computer science. The project is to take a picture of a character and process it up to recognize the image of that…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Arkaprabha Basu , M. Sathya

Deep learning algorithms have made many breakthroughs and have various applications in real life. Computational resources become a bottleneck as the data and complexity of the deep learning pipeline increases. In this paper, we propose…

机器学习 · 计算机科学 2021-05-05 Salman Ahmed , Hammad Naveed

Deep neural networks (DNNs) significantly improved the accuracy of optical character recognition (OCR) and inspired many important applications. Unfortunately, OCRs also inherit the vulnerabilities of DNNs under adversarial examples.…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Lu Chen , Jiao Sun , Wei Xu

The ever-increasing data demand craves advancements in high-speed and energy-efficient computing hardware. Analog optical neural network (ONN) processors have emerged as a promising solution, offering benefits in bandwidth and energy…

光学 · 物理学 2026-04-07 Chao Luan , Ronald Davis , Zaijun Chen , Dirk Englund , Ryan Hamerly

Over the past few decades, large archives of paper-based historical documents, such as books and newspapers, have been digitized using the Optical Character Recognition (OCR) technology. Unfortunately, this broadly used technology is…

计算与语言 · 计算机科学 2023-08-01 Omri Suissa , Maayan Zhitomirsky-Geffet , Avshalom Elmalech

Constructing a highly accurate handwritten OCR system requires large amounts of representative training data, which is both time-consuming and expensive to collect. To mitigate the issue, we propose a denoising diffusion probabilistic model…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Haisong Ding , Bozhi Luan , Dongnan Gui , Kai Chen , Qiang Huo

Billions of public domain documents remain trapped in hard copy or lack an accurate digitization. Modern natural language processing methods cannot be used to index, retrieve, and summarize their texts; conduct computational textual…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Tom Bryan , Jacob Carlson , Abhishek Arora , Melissa Dell

Industrial Retrieval-Augmented Generation (RAG) systems depend on optical character recognition (OCR) to transform visual documents into text. Existing OCR benchmarks rely on character-level metrics, which inadequately measure downstream…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Lin Sun , Wang Dexian , Jingang Huang , Linglin Zhang , Change Jia , Zhengwei Cheng , Xiangzheng Zhang

Optical camera communications (OCC) has emerged as a key enabling technology for the seamless operation of future autonomous vehicles. In this paper, we introduce a spectral efficiency optimization approach in vehicular OCC. Specifically,…

机器学习 · 计算机科学 2022-05-06 Amirul Islam , Leila Musavian , Nikolaos Thomos

Convolutional Recurrent Neural Networks (CRNNs) excel at scene text recognition. Unfortunately, they are likely to suffer from vanishing/exploding gradient problems when processing long text images, which are commonly found in scanned…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Duc Nguyen , Nhan Tran , Hung Le

Training automatic speech recognition (ASR) systems requires large amounts of well-curated paired data. However, human annotators usually perform "non-verbatim" transcription, which can result in poorly trained models. In this paper, we…

音频与语音处理 · 电气工程与系统科学 2023-09-28 Dongji Gao , Hainan Xu , Desh Raj , Leibny Paola Garcia Perera , Daniel Povey , Sanjeev Khudanpur

Machine learning models for sensor-based human activity recognition (HAR) are expected to adapt post-deployment to recognize new activities and different ways of performing existing ones. To address this need, Online Continual Learning…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Yao Zhang , Souza Leite Clayton , Yu Xiao

Casing collar locator (CCL) measurements are widely used as reliable depth markers for positioning downhole instruments in cased-hole operations, enabling accurate depth control for operations such as perforation. However, autonomous collar…

系统与控制 · 电气工程与系统科学 2026-03-04 Si-Yu Xiao , Xin-Di Zhao , Xiang-Zhan Wang , Tian-Hao Mao , Ying-Kai Liao , Xing-Yu Liao , Yu-Qiao Chen , Jun-Jie Wang , Shuang Liu , Tu-Pei Chen , Yang Liu

Optimal hyperparameter selection is critical for maximizing the performance of neural networks in computer vision, particularly as architectures become more complex. This work explores the use of large language models (LLMs) for…

机器学习 · 计算机科学 2025-09-30 Roman Kochnev , Arash Torabi Goodarzi , Zofia Antonina Bentyn , Dmitry Ignatov , Radu Timofte

Deep learning is able to functionally simulate the human brain and thus, it has attracted considerable interest. Optics-assisted deep learning is a promising approach to improve the forward-propagation speed and reduce the power…

信号处理 · 电气工程与系统科学 2020-09-08 Zhixing Lin , Shuqian Sun , Jose Azana , Wei Li , Ninghua Zhu , Ming Li

Recognizing and processing Classical Chinese (Han-Nom) texts play a vital role in digitizing Vietnamese historical documents and enabling cross-lingual semantic research. However, existing OCR systems struggle with degraded scans,…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Minh Hoang Nguyen , Su Nguyen Thiet

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by integrating external knowledge, leading to improved accuracy and relevance. However, scaling RAG pipelines remains computationally expensive as retrieval sizes…

信息检索 · 计算机科学 2026-03-05 Maxime Louis , Thibault Formal , Hervé Dejean , Stéphane Clinchant

Improvements in training data scale and quality have led to significant advances, yet its influence in speech recognition remains underexplored. In this paper, we present a large-scale dataset, OLMoASR-Pool, and series of models, OLMoASR,…

声音 · 计算机科学 2025-08-29 Huong Ngo , Matt Deitke , Martijn Bartelds , Sarah Pratt , Josh Gardner , Matt Jordan , Ludwig Schmidt

There are many difficulties facing a handwritten Arabic recognition system such as unlimited variation in human handwriting, similarities of distinct character shapes, interconnections of neighbouring characters and their position in the…

计算机视觉与模式识别 · 计算机科学 2014-02-27 Ahmed Sahlol , Cheng Suen