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Searching for all occurrences of a pattern in a text is a fundamental problem in computer science with applications in many other fields, like natural language processing, information retrieval and computational biology. Sampled string…

数据结构与算法 · 计算机科学 2019-08-19 Simone Faro , Arianna Pavone , Francesco Pio Marino

Decomposing a complex time series into trend, seasonality, and remainder components is an important primitive that facilitates time series anomaly detection, change point detection, and forecasting. Although numerous batch algorithms are…

机器学习 · 计算机科学 2022-08-08 Abhinav Mishra , Ram Sriharsha , Sichen Zhong

Encoder-decoder models have made great progress on handwritten mathematical expression recognition recently. However, it is still a challenge for existing methods to assign attention to image features accurately. Moreover, those…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Wenqi Zhao , Liangcai Gao , Zuoyu Yan , Shuai Peng , Lin Du , Ziyin Zhang

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

The flourishing blossom of deep learning has witnessed the rapid development of Chinese character recognition. However, it remains a great challenge that the characters for testing may have different distributions from those of the training…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Haiyang Yu , Jingye Chen , Bin Li , Xiangyang Xue

Assistive drawing aims to facilitate the creative process by providing intelligent guidance to artists. Existing solutions often fail to effectively model intricate stroke details or adequately address the temporal aspects of drawing. We…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Haoyun Qin , Jian Lin , Hanyuan Liu , Xueting Liu , Chengze Li

Click-through rate (CTR) prediction is a crucial task in online advertising to recommend products that users are likely to be interested in. To identify the best-performing models, rigorous model evaluation is necessary. Offline…

信息检索 · 计算机科学 2024-06-27 Ramazan Tarik Turksoy , Beyza Turkmen

Refactoring is an important activity that is frequently performed in software development, and among them, Extract Method is known to be one of the most frequently performed refactorings. The existing techniques for recommending Extract…

软件工程 · 计算机科学 2021-08-31 Jinto Yamanaka , Yasuhiro Hayase , Toshiyuki Amagasa

Accurate text segmentation results are crucial for text-related generative tasks, such as text image generation, text editing, text removal, and text style transfer. Recently, some scene text segmentation methods have made significant…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Xudong Xie , Yuzhe Li , Yang Liu , Zhifei Zhang , Zhaowen Wang , Wei Xiong , Xiang Bai

Various grammar compression algorithms have been proposed in the last decade. A grammar compression is a restricted CFG deriving the string deterministically. An efficient grammar compression develops a smaller CFG by finding duplicated…

数据结构与算法 · 计算机科学 2016-09-01 Shouhei Fukunaga , Yoshimasa Takabatake , I Tomohiro , Hiroshi Sakamoto

A frequently studied performance measure in online optimization is competitive analysis. It corresponds to the worst-case ratio, over all possible inputs of an algorithm, between the performance of the algorithm and the optimal offline…

最优化与控制 · 数学 2024-05-30 Antoine Lhomme , Nicolas Catusse , Nadia Brauner

Term extraction is one of the layers in the ontology development process which has the task to extract all the terms contained in the input document automatically. The purpose of this process is to generate list of terms that are relevant…

信息检索 · 计算机科学 2010-03-25 Mohammad Syafrullah , Naomie Salim

Region extraction is a very common task in both Computer Science and Engineering with several applications in object recognition and motion analysis, among others. Most of the literature focuses on regions delimited by straight lines, often…

数值分析 · 数学 2021-12-07 Pablo Antolin , Annalisa Buffa , Emiliano Cirillo

The main aim of this study is the assessment and discussion of a model for hand-written Arabic through segmentation. The framework is proposed based on three steps: pre-processing, segmentation, and evaluation. In the pre-processing step,…

计算机视觉与模式识别 · 计算机科学 2021-01-11 Nisreen AbdAllah , Serestina Viriri

Greedy algorithms for feature selection are widely used for recovering sparse high-dimensional vectors in linear models. In classical procedures, the main emphasis was put on the sample complexity, with little or no consideration of the…

机器学习 · 统计学 2021-02-11 El Mehdi Saad , Gilles Blanchard , Sylvain Arlot

The problem of offline to online script conversion is a challenging and an ill-posed problem. The interest in offline to online conversion exists because there are a plethora of robust algorithms in online script literature which can not be…

计算机视觉与模式识别 · 计算机科学 2015-04-08 Sunil Kopparapu , Devanuj , Akhilesh Srivastava , P. V. S. Rao

Constructing stroke correspondences between keyframes is one of the most important processes in the production pipeline of hand-drawn inbetweening frames. This process requires time-consuming manual work imposing a tremendous burden on the…

图形学 · 计算机科学 2021-09-02 Ryoma Miyauchi , Tsukasa Fukusato , Haoran Xie , Kazunori Miyata

Optical character recognition (OCR) is a vital process that involves the extraction of handwritten or printed text from scanned or printed images, converting it into a format that can be understood and processed by machines. This enables…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Mahmoud SalahEldin Kasem , Mohamed Mahmoud , Hyun-Soo Kang

The proliferation of data and text documents such as articles, web pages, books, social network posts, etc. on the Internet has created a fundamental challenge in various fields of text processing under the title of "automatic text…

人工智能 · 计算机科学 2023-03-15 Kazem Taghandiki , Mohammad Hassan Ahmadi , Elnaz Rezaei Ehsan

This paper presents a complete Optical Character Recognition (OCR) system for camera captured image/graphics embedded textual documents for handheld devices. At first, text regions are extracted and skew corrected. Then, these regions are…

计算机视觉与模式识别 · 计算机科学 2011-09-16 Ayatullah Faruk Mollah , Nabamita Majumder , Subhadip Basu , Mita Nasipuri