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We consider the locality of encoding and decoding operations in distributed storage systems (DSS), and propose a new class of codes, called locally encodable and decodable codes (LEDC), that provides a higher degree of operational locality…

信息论 · 计算机科学 2015-04-21 Son Hoang Dau , Han Mao Kiah , Wentu Song , Chau Yuen

Optical character recognition (OCR) has advanced rapidly with deep learning and multimodal models, yet most methods focus on well-resourced scripts such as Latin and Chinese. Ethnic minority languages remain underexplored due to complex…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Bonan Liu , Zeyu Zhang , Bingbing Meng , Han Wang , Hanshuo Zhang , Chengping Wang , Daji Ergu , Ying Cai

Autonomous driving functions (ADFs) in public traffic have to comply with complex system requirements that are based on knowledge of experts from different disciplines, e.g., lawyers, safety experts, psychologists. In this paper, we present…

计算机科学中的逻辑 · 计算机科学 2022-09-29 Dominik Grundt , Anna Köhne , Ishan Saxena , Ralf Stemmer , Bernd Westphal , Eike Möhlmann

Optical Character Recognition (OCR) technology finds applications in digitizing books and unstructured documents, along with applications in other domains such as mobility statistics, law enforcement, traffic, security systems, etc. The…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Aishik Rakshit , Samyak Mehta , Anirban Dasgupta

The cover metric is suitable for describing the resilience against correlated errors in arrays, in particular crisscross errors, which makes it interesting for applications such as distributed data storage (DDS). In this work, we consider…

信息论 · 计算机科学 2018-09-05 Hedongliang Liu , Lukas Holzbaur , Antonia Wachter-Zeh

The $i$th coordinate of an $(n,k)$ code is said to have locality $r$ and availability $t$ if there exist $t$ disjoint groups, each containing at most $r$ other coordinates that can together recover the value of the $i$th coordinate. This…

信息论 · 计算机科学 2015-01-20 Anyu Wang , Zhifang Zhang

Research is an incremental, iterative process, with new results relying and building upon previous ones. Scientists need to find, retrieve, understand, and verify results in order to confidently extend them, even when the results are their…

统计计算 · 统计学 2023-06-30 Gabriel Becker , Sara E. Moore , Michael Lawrence

Finite-state models are ubiquitous in the study of concurrent systems, especially controllers and servers that operate in a repetitive cycle. In this paper, we show how to extract finite state models from a run of a multi-threaded Java…

软件工程 · 计算机科学 2024-07-26 KP Jevitha , Bharat Jayaraman , M Sethumadhavan

Weakly supervised semantic segmentation is typically inspired by class activation maps, which serve as pseudo masks with class-discriminative regions highlighted. Although tremendous efforts have been made to recall precise and complete…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Zesen Cheng , Pengchong Qiao , Kehan Li , Siheng Li , Pengxu Wei , Xiangyang Ji , Li Yuan , Chang Liu , Jie Chen

This paper studies the problem of code symbol availability: a code symbol is said to have $(r, t)$-availability if it can be reconstructed from $t$ disjoint groups of other symbols, each of size at most $r$. For example, $3$-replication…

This paper studies bounds and constructions of locally repairable codes (LRCs) with multiple localities so-called multiple-locality LRCs (ML-LRCs). In the simplest case of two localities some code symbols of an ML-LRC have a certain…

信息论 · 计算机科学 2016-01-13 Alexander Zeh , Eitan Yaakobi

Numerous software systems are highly configurable through run-time options, such as command-line parameters. Users can tune some of the options to meet various functional and non-functional requirements such as footprint, security, or…

软件工程 · 计算机科学 2022-10-26 Xhevahire Tërnava , Mathieu Acher , Benoit Combemale

Iterating with new and improved OCR solutions enforces decision making when it comes to targeting the right candidates for reprocessing. This especially applies when the underlying data collection is of considerable size and rather diverse…

计算与语言 · 计算机科学 2023-06-22 Pit Schneider , Yves Maurer

A desirable open world recognition (OWR) system requires performing three tasks: (1) Open set recognition (OSR), i.e., classifying the known (classes seen during training) and rejecting the unknown (unseen$/$novel classes) online; (2)…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Fulin Gao , Weimin Zhong , Zhixing Cao , Xin Peng , Zhi Li

Annotations allow users to associate additional information with existing resources. Using proprietary and closed systems on the Web, users are already able to annotate multimedia resources such as images, audio and video. So far, however,…

数字图书馆 · 计算机科学 2011-06-28 Bernhard Haslhofer , Rainer Simon , Robert Sanderson , Herbert van de Sompel

Detecting objects based on language information is a popular task that includes Open-Vocabulary object Detection (OVD) and Referring Expression Comprehension (REC). In this paper, we advance them to a more practical setting called Described…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Chi Xie , Zhao Zhang , Yixuan Wu , Feng Zhu , Rui Zhao , Shuang Liang

Traditional OCR systems (OCR-1.0) are increasingly unable to meet people's usage due to the growing demand for intelligent processing of man-made optical characters. In this paper, we collectively refer to all artificial optical signals…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Haoran Wei , Chenglong Liu , Jinyue Chen , Jia Wang , Lingyu Kong , Yanming Xu , Zheng Ge , Liang Zhao , Jianjian Sun , Yuang Peng , Chunrui Han , Xiangyu Zhang

A status updating system is considered in which a variable length code is used to transmit messages to a receiver over a noisy channel. The goal is to optimize the codewords lengths such that successfully-decoded messages are timely. That…

信息论 · 计算机科学 2021-02-16 Ahmed Arafa , Richard D. Wesel

Optical Character Recognition (OCR) has been a topic of interest for many years. It is defined as the process of digitizing a document image into its constituent characters. Despite decades of intense research, developing OCR with…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Noman Islam , Zeeshan Islam , Nazia Noor

Locally repairable codes (LRCs) are ingeniously designed distributed storage codes with a (usually small) fixed set of helper nodes participating in repair. Since most existing LRCs assume exact repair and allow full exchange of the stored…

信息论 · 计算机科学 2016-05-06 Imad Ahmad , Chih-Chun Wang