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Medical image segmentation is usually regarded as one of the most important intermediate steps in clinical situations and medical imaging research. Thus, accurately assessing the segmentation quality of the automatically generated…

图像与视频处理 · 电气工程与系统科学 2022-01-19 Zhenxi Zhang , Chunna Tian , Jie Li , Zhusi Zhong , Zhicheng Jiao , Xinbo Gao

Uncertainty quantification appears today as a crucial point in numerous branches of science and engineering. In the past two decades, a growing interest has been devoted to stochastic finite element method (SFEM) for the propagation of…

数值分析 · 数学 2020-08-11 Zhibao Zheng

For an empirical signed measure $\mu = \frac{1}{N} \left(\sum_{i=1}^P \delta_{x_i} - \sum_{i=1}^M \delta_{y_i}\right)$, particle annihilation (PA) removes $N_A$ particles from both $\{x_i\}_{i=1}^P$ and $\{y_i\}_{i=1}^M$ simultaneously,…

数值分析 · 数学 2020-05-13 Sihong Shao , Yunfeng Xiong

In recent years, layered image compression is demonstrated to be a promising direction, which encodes a compact representation of the input image and apply an up-sampling network to reconstruct the image. To further improve the quality of…

图像与视频处理 · 电气工程与系统科学 2021-02-02 Trinh Man Hoang , Jinjia Zhou , Yibo Fan

Cryptography is always very important in data origin authentications, entity authentication, data integrity and confidentiality. In recent years, a variety of chaotic cryptographic schemes have been proposed. These schemes have typical…

密码学与安全 · 计算机科学 2012-02-08 Sodeif Ahadpour , Yaser Sadra , Zahra ArastehFard

In order to achieve fault tolerance, highly reliable system often require the ability to detect errors as soon as they occur and prevent the speared of erroneous information throughout the system. Thus, the need for codes capable of…

信息论 · 计算机科学 2010-02-08 Muzhir Al-Ani , Qeethara Al-Shayea

In this study, we propose a simple and effective preprocessing method for subword segmentation based on a data compression algorithm. Compression-based subword segmentation has recently attracted significant attention as a preprocessing…

计算与语言 · 计算机科学 2023-03-02 Keita Nonaka , Kazutaka Yamanouchi , Tomohiro I , Tsuyoshi Okita , Kazutaka Shimada , Hiroshi Sakamoto

In this work, we develop a localized numerical scheme with low regularity requirements for solving time-fractional integro-differential equations. First, a fully discrete numerical scheme is constructed. Specifically, for temporal…

数值分析 · 数学 2025-12-02 Lijing Zhao , Rui Zhao , Wenyi Tian , Yufeng Nie

The estimation of coverage probabilities, and in particular of the missing mass, is a classical statistical problem with applications in numerous scientific fields. In this paper, we study this problem in relation to randomized data…

统计方法学 · 统计学 2022-09-07 Stefano Favaro , Matteo Sesia

The most commonly used method to tackle the graph partitioning problem in practice is the multilevel approach. During a coarsening phase, a multilevel graph partitioning algorithm reduces the graph size by iteratively contracting nodes and…

分布式、并行与集群计算 · 计算机科学 2014-03-26 Henning Meyerhenke , Peter Sanders , Christian Schulz

In this paper, we present a joint multi-task learning framework for semantic segmentation and boundary detection. The critical component in the framework is the iterative pyramid context module (PCM), which couples two tasks and stores the…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Mingmin Zhen , Jinglu Wang , Lei Zhou , Shiwei Li , Tianwei Shen , Jiaxiang Shang , Tian Fang , Quan Long

In this paper, we introduce a novel algorithm for segmentation of imperfect boundary probability maps (BPM) in connectomics. Our algorithm can be a considered as an extension of spectral clustering. Instead of clustering the diffusion maps…

计算机视觉与模式识别 · 计算机科学 2016-07-22 Gergely Odor

In this paper, an anti-eavesdropping estimation problem is investigated. A linear encryption scheme is utilized, which first linearly transforms innovation via an encryption matrix and then encrypts some components of the transformed…

系统与控制 · 电气工程与系统科学 2024-06-18 Zhongyao Hu , Bo Chen , Pindi Weng , Jianzheng Wang , Li Yu

This paper illustrates the Principal Direction Divisive Partitioning (PDDP) algorithm and describes its drawbacks and introduces a combinatorial framework of the Principal Direction Divisive Partitioning (PDDP) algorithm, then describes the…

信息检索 · 计算机科学 2010-04-13 P. J. Gayathri , S. C. Punitha , M. Punithavalli

Word segmentation, the problem of finding word boundaries in speech, is of interest for a range of tasks. Previous papers have suggested that for sequence-to-sequence models trained on tasks such as speech translation or speech recognition,…

计算与语言 · 计算机科学 2021-09-22 Ramon Sanabria , Hao Tang , Sharon Goldwater

This paper investigates decoding of binary linear block codes over the binary erasure channel (BEC). Of the current iterative decoding algorithms on this channel, we review the Recovery Algorithm and the Guess Algorithm. We then present a…

信息论 · 计算机科学 2007-07-13 J. Cai , C. Tjhai , M. Tomlinson , M. Ambroze , M. Ahmed

Speech Segmentation is the process change point detection for partitioning an input audio stream into regions each of which corresponds to only one audio source or one speaker. One application of this system is in Speaker Diarization…

人工智能 · 计算机科学 2012-05-09 Behrouz Abdolali , Hossein Sameti

Information Extraction (IE) for semi-structured document images is often approached as a sequence tagging problem by classifying each recognized input token into one of the IOB (Inside, Outside, and Beginning) categories. However, such…

计算与语言 · 计算机科学 2021-07-02 Wonseok Hwang , Jinyeong Yim , Seunghyun Park , Sohee Yang , Minjoon Seo

The ability to detect failures and anomalies are fundamental requirements for building reliable systems for computer vision applications, especially safety-critical applications of semantic segmentation, such as autonomous driving and…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Yingda Xia , Yi Zhang , Fengze Liu , Wei Shen , Alan Yuille

Many important classification problems, such as object classification, speech recognition, and machine translation, have been tackled by the supervised learning paradigm in the past, where training corpora of parallel input-output pairs are…

机器学习 · 计算机科学 2019-06-10 Yu Liu , Li Deng , Jianshu Chen , Chang Wen Chen
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