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Is 3-(F)WL Enough to Distinguish All 3D Graphs? 3-(F)WL 是否足以区分所有三维图形?
Pub Date : 2024-01-24 DOI: arxiv-2402.08429
Wanghan Xu
The problem of graph isomorphism is an important but challenging problem inthe field of graph analysis, for example: analyzing the similarity of twochemical molecules, or studying the expressive ability of graph neuralnetworks. WL test is a method to judge whether two graphs are isomorphic, butit cannot distinguish all non-isomorphic graphs. As an improvement of WL, k-WLhas stronger isomorphism discrimination ability, and as k increases, itsdiscrimination ability is strictly increasing. However, whether the isomorphicdiscrimination power of k-WL is strictly increasing for more complex 3D graphs,or whether there exists k that can discriminate all 3D graphs, remainsunexplored. This paper attempts to explore this problem from the perspective ofgraph generation.
图同构问题是图分析领域的一个重要而又具有挑战性的问题,例如:分析双化学分子的相似性或研究图神经网络的表达能力。WL 检验是一种判断两个图是否同构的方法,但它不能区分所有非同构图。作为 WL 的改进,k-WL 具有更强的同构判别能力,并且随着 k 的增大,其判别能力严格递增。然而,对于更复杂的三维图形,k-WL 的同构判别能力是否会严格递增,或者是否存在能判别所有三维图形的 k,仍有待探索。本文试图从图形生成的角度来探讨这个问题。
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引用次数: 0
A novel method to compute the contact surface area between an organ and cancer tissue 计算器官与癌组织接触表面积的新方法
Pub Date : 2024-01-19 DOI: arxiv-2402.16857
Alessandra Bulanti, Alessandro Carfì, Paolo Traverso, Carlo Terrone, Fulvio Mastrogiovanni
With "contact surface area" (CSA) we refers to the area of contact between atumor and an organ. This indicator has been identified as a predictive factorfor surgical peri-operative parameters, particularly in the context of kidneycancer. However, state-of-the-art algorithms for computing the CSA rely onassumptions about the tumor shape and require manual human annotation. In thisstudy, we introduce an innovative method that relies on 3D reconstructions oftumors and organs to provide an accurate and objective estimate of the CSA. Ourapproach consists of a segmentation protocol for reconstructing organs andtumors from Computed Tomography (CT) images and an algorithm leveraging thereconstructed meshes to compute the CSA. With the aim to contributing to theliterature with replicable results, we provide an open-source implementation ofour algorithm, along with an easy-to-use graphical user interface to supportits adoption and widespread use. We evaluated the accuracy of our method usingboth a synthetic dataset and reconstructions of 87 real tumor-organ pairs.
接触表面积"(CSA)是指肿瘤与器官之间的接触面积。该指标已被确定为外科围手术期参数的预测因素,尤其是在肾癌方面。然而,计算 CSA 的最先进算法依赖于对肿瘤形状的假设,并且需要人工标注。在这项研究中,我们引入了一种创新方法,该方法依赖于肿瘤和器官的三维重建来提供准确客观的 CSA 估计值。我们的方法包括从计算机断层扫描(CT)图像中重建器官和肿瘤的分割协议,以及利用所建网格计算 CSA 的算法。为了给文献提供可复制的结果,我们提供了算法的开源实现以及易于使用的图形用户界面,以支持算法的采用和广泛使用。我们使用合成数据集和 87 个真实肿瘤器官对的重建数据评估了我们方法的准确性。
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引用次数: 0
Challenge design roadmap 挑战设计路线图
Pub Date : 2024-01-15 DOI: arxiv-2401.13693
Hugo Jair Escalante BalderasLISN, TAU, Isabelle GuyonLISN, TAU, Addison HowardTAU, Walter ReadeTAU, Sebastien TreguerTAU
Challenges can be seen as a type of game that motivates participants to solveserious tasks. As a result, competition organizers must develop effective gamerules. However, these rules have multiple objectives beyond making the gameenjoyable for participants. These objectives may include solving real-worldproblems, advancing scientific or technical areas, making scientificdiscoveries, and educating the public. In many ways, creating a challenge issimilar to launching a product. It requires the same level of excitement andrigorous testing, and the goal is to attract ''customers'' in the form ofparticipants. The process begins with a solid plan, such as a competitionproposal that will eventually be submitted to an international conference andsubjected to peer review. Although peer review does not guarantee quality, itdoes force organizers to consider the impact of their challenge, identifypotential oversights, and generally improve its quality. This chapter providesguidelines for creating a strong plan for a challenge. The material draws onthe preparation guidelines from organizations such as Kaggle 1 , ChaLearn 2 andTailor 3 , as well as the NeurIPS proposal template, which some of the authorscontributed to.
挑战赛可以被视为一种游戏,它能激励参赛者去完成严肃的任务。因此,竞赛组织者必须制定有效的游戏规则。然而,这些规则除了让参赛者享受游戏之外,还有其他多重目标。这些目标可能包括解决现实世界中的问题、推动科学或技术领域的发展、取得科学发现以及教育公众。在许多方面,创建挑战赛类似于推出产品。它需要同样程度的兴奋和严格的测试,目标是以参与者的形式吸引 "客户"。这一过程始于一个可靠的计划,例如一份最终将提交给国际会议并接受同行评审的竞赛建议书。虽然同行评审并不能保证质量,但它确实能迫使组织者考虑其挑战的影响,找出潜在的疏漏,并全面提高其质量。本章为制定强有力的挑战赛计划提供指导。材料借鉴了 Kaggle 1、ChaLearn 2 和 Tailor 3 等组织的准备指南,以及 NeurIPS 建议书模板,其中一些作者参与了该模板的制作。
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引用次数: 0
Petri Nets for Smart Grids: The Story So Far 智能电网的 Petri 网:迄今为止的故事
Pub Date : 2024-01-10 DOI: arxiv-2401.05462
Mouzhi Ge, Bruno Rossi, Stanislav Chren, José Miguel Blanco
Since the energy domain is in a transformative shift towards sustainability,the integration of new technologies and smart systems into traditional powergrids has emerged. As an effective approach, Petri Nets (PN) have been appliedto model and analyze the complex dynamics in Smart Grid (SG) environments.However, we are currently missing an overview of types of PNs applied todifferent areas and problems related to SGs. Therefore, this paper proposesfour fundamental research questions related to the application areas of PNs inSGs, PNs types, aspects modelled by PNs in the identified areas, and thevalidation methods in the evaluation. The answers to the research questions arederived from a comprehensive and interdisciplinary literature analysis. Theresults capture a valuable overview of PNs applications in the global energylandscape and can offer indications for future research directions.
由于能源领域正在向可持续发展转型,因此出现了将新技术和智能系统集成到传统电网中的问题。作为一种有效的方法,Petri 网(PN)已被用于对智能电网(SG)环境中的复杂动态进行建模和分析。然而,目前我们还缺少对应用于不同领域和与 SG 相关问题的 PN 类型的概述。因此,本文提出了四个基本研究问题,分别涉及 PN 在智能电网中的应用领域、PN 类型、PN 在已确定领域中的建模方面以及评估中的验证方法。研究问题的答案来自全面的跨学科文献分析。研究结果对 PNs 在全球能源领域的应用进行了有价值的概述,并为未来的研究方向提供了参考。
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引用次数: 0
Portable medical devices creation technology by using the Bluetooth module 利用蓝牙模块创造便携式医疗设备技术
Pub Date : 2024-01-07 DOI: arxiv-2402.03323
A. O. Dadukin, N. I. Pchelintseva
The article is devoted Bluetooth wireless personal area networksspecification, which provides standard for exchanging data over shortdistances. It is shown how the technology has evolved and its application inthe design of devices. Health Device Profile considered in details, which themain feature is the work of a medical orientation devices.
文章专门介绍了蓝牙无线个人区域网络规范,该规范为短距离数据交换提供了标准。文章介绍了该技术的发展及其在设备设计中的应用。文章详细介绍了医疗设备配置文件,其主要特点是医疗定向设备的工作。
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引用次数: 0
Using Terrestrial Laser Scanning, Unmanned Aerial Vehicles and Mixed Reality Methodologies for Digital Survey, 3D Modelling and Historical Recreation of Religious Heritage Monuments 利用地面激光扫描、无人驾驶飞行器和混合现实方法对宗教遗产古迹进行数字勘测、三维建模和历史再现
Pub Date : 2023-12-31 DOI: arxiv-2401.01380
Aristeidis Zachos, Christos-Nikolaos Anagnostopoulos
Preserving and safeguarding the Cultural Heritage (CH) of our world fromunforeseen hazards should be viewed as a collective responsibility forhumanity. Consequently, there is a growing imperative for targeted measuresaimed at conserving, rejuvenating, and safeguarding historical assets thatcarry cultural significance. In recent times, Terrestrial Laser Scanning (TLS),Unmanned Aerial Vehicle (UAV) Photogrammetry, and applications in Mixed Reality(MR) have assumed a pivotal role in the mapping, recording, preservation, andpromotion of Cultural Heritage. This ar-ticle endeavors to present acomprehensive approach spanning from 3D surveying to the 3D representation andpromotion of Religious Cultural Heritage, offering an overview of the appliedmethodologies. Through the integration of TLS and UAV photogrammetrytechniques, a comprehensive digital record of Panagia Ekatontapyliani, theadjoining Church of Agios Nikolaos, and the Baptistery, along with their wallpaintings (hagiographies) and natural surroundings, has been obtained. Thisrecord serves as the foundation for historical documentation and recreationusing the HBIM concept, paving the way for the development of diverse MixedReality applications. These applications aim to enhance the visibility,accessibility, and visitability of the Monument.
保护世界文化遗产(CH)免遭不可预见的危害应被视为人类的共同责任。因此,越来越有必要采取有针对性的措施,以保存、恢复和保护具有文化意义的历史资产。近来,地面激光扫描(TLS)、无人飞行器(UAV)摄影测量以及混合现实(MR)技术的应用在文化遗产的测绘、记录、保护和宣传方面发挥了关键作用。本文试图介绍一种从三维测量到宗教文化遗产的三维展示和宣传的综合方法,并对应用方法进行概述。通过整合 TLS 和无人机摄影测量技术,我们获得了 Panagia Ekatontapyliani、Agios Nikolaos 教堂和洗礼堂的全面数字记录,以及它们的壁画(传记)和自然环境。该记录是利用 HBIM 概念进行历史记录和再现的基础,为开发各种混合现实应用铺平了道路。这些应用旨在提高纪念碑的可视性、可访问性和可参观性。
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引用次数: 0
On the relevance of the Godot Engine in the indie game development industry 戈多引擎与独立游戏开发行业的相关性
Pub Date : 2023-12-27 DOI: arxiv-2401.01909
Julian Holfeld
This paper examines the relevance of the Godot Engine in the indie gameindustry. The Godot Engine is a relatively new game engine from 2014 andcompetes with leading market players. To get to the bottom of its relevance,two major online sales platforms and the game engines that are commonly used,Steam and itch.io, are examined. Mainly, these findings are compared withreference data from 2018. It turns out that the Godot engine has gained massiverelevance in 2020 and now seems to be one of the leading players in the indiegame industry. The exact causes are difficult to determine. However, this paperprovides many clues for further research in this area.
本文探讨了戈多引擎与独立游戏产业的相关性。戈多引擎是2014年推出的一款相对较新的游戏引擎,并与市场上的领先厂商展开竞争。为了弄清其相关性,本文研究了两个主要的在线销售平台和常用的游戏引擎(Steam 和 itch.io)。主要是将这些发现与2018年的参考数据进行比较。结果发现,Godot 引擎在 2020 年获得了巨大的相关性,现在似乎已成为独立游戏行业的领头羊之一。确切的原因难以确定。不过,本文为这一领域的进一步研究提供了许多线索。
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引用次数: 0
Analog Circuit Sizing Using Machine Learning Based Transistor Circuit Model 利用基于机器学习的晶体管电路模型确定模拟电路规模
Pub Date : 2023-11-27 DOI: arxiv-2401.16425
Alireza Bagheri Rajeoni
In this work, a new method for designing an analog circuit for deepsub-micron CMOS fabrication processes is proposed. The proposed methodleverages the regression algorithms with the transistor circuit model to size atransistor in 0.18 um technology fast and without using simulation software.Threshold voltage, output resistance, and the product of mobility and oxidecapacitance are key parameters in the transistor circuit model to size atransistor. For nano-scale transistors, however, these parameters are nonlinearwith respect to electrical and physical characteristics of transistors andcircuit simulator is needed to find the value of these parameters and thereforethe design time increases. Regression analysis is utilized to predict values ofthese parameters. We demonstrate the performance of the proposed method bydesigning a Current Feedback Instrumentational Amplifier (CFIA). We show thatthe presented method accomplishes higher than 90% accuracy in predicting thedesired value of W. It reduces the design time over 97% compared toconventional methods. The designed circuit using the proposed method consumes5.76 uW power and has a Common Mode Rejection Ratio (CMRR) of 35.83 dB and itresults in achieving 8.17 V/V gain.
本研究提出了一种针对深亚微米 CMOS 制造工艺设计模拟电路的新方法。阈值电压、输出电阻以及迁移率和氧化电容的乘积是晶体管电路模型中决定晶体管尺寸的关键参数。然而,对于纳米级晶体管来说,这些参数与晶体管的电气和物理特性是非线性的,因此需要电路模拟器来找出这些参数的值,从而增加了设计时间。我们利用回归分析来预测这些参数的值。我们通过设计电流反馈仪表放大器 (CFIA) 演示了所提方法的性能。与传统方法相比,该方法缩短了 97% 以上的设计时间。使用该方法设计的电路功耗为 5.76 uW,共模抑制比 (CMRR) 为 35.83 dB,增益为 8.17 V/V。
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引用次数: 0
Rock Climbing Route Generation and Grading as Computational Creativity 作为计算创造力的攀岩路线生成和分级
Pub Date : 2023-11-03 DOI: arxiv-2311.02211
Jesse Roberts
In this paper, we bridge work in rock climbing route generation and gradinginto the computational creativity community. We provide the necessarybackground to situate that literature and demonstrate the domain's intellectualmerit in the computational creativity community. We provide a guiding set ofdesiderata for future work in this area. We propose an approach tocomputational route grading. Finally, we identify important gaps in theliterature and consider how they may be filled. This paper thus also serves asa pilot study, planting a flag for our ongoing research in this domain.
在本文中,我们将攀岩路线生成和分级的工作连接到计算创造力社区。我们提供了必要的背景来定位这些文献,并在计算创造力社区中展示了该领域的智力价值。我们为这一领域的未来工作提供了一套指导思想。我们提出了一种计算路线分级的方法。最后,我们找出文献中的重要空白,并考虑如何填补这些空白。因此,本文也可以作为一个试点研究,为我们在这一领域的持续研究插上了一枚旗帜。
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引用次数: 0
Notion of Explainable Artificial Intelligence -- An Empirical Investigation from A Users Perspective 可解释人工智能的概念——基于用户视角的实证研究
Pub Date : 2023-11-01 DOI: arxiv-2311.02102
AKM Bahalul Haque, A. K. M. Najmul Islam, Patrick Mikalef
The growing attention to artificial intelligence-based applications has ledto research interest in explainability issues. This emerging research attentionon explainable AI (XAI) advocates the need to investigate end user-centricexplainable AI. Thus, this study aims to investigate usercentric explainable AIand considered recommendation systems as the study context. We conducted focusgroup interviews to collect qualitative data on the recommendation system. Weasked participants about the end users' comprehension of a recommended item,its probable explanation, and their opinion of making a recommendationexplainable. Our findings reveal that end users want a non-technical andtailor-made explanation with on-demand supplementary information. Moreover, wealso observed users requiring an explanation about personal data usage,detailed user feedback, and authentic and reliable explanations. Finally, wepropose a synthesized framework that aims at involving the end user in thedevelopment process for requirements collection and validation.
对基于人工智能的应用的日益关注导致了对可解释性问题的研究兴趣。这种新兴的研究关注可解释人工智能(XAI)提倡研究以最终用户为中心的可解释人工智能的必要性。因此,本研究旨在研究以用户为中心的可解释ai,并将推荐系统作为研究背景。我们进行了焦点小组访谈,以收集推荐系统的定性数据。我们向参与者询问了终端用户对推荐项目的理解程度、可能的解释以及他们对可解释性推荐的看法。我们的研究结果表明,最终用户需要一个非技术的、量身定制的、随需应变的补充信息解释。此外,我们还观察到用户要求解释个人数据的使用情况,详细的用户反馈,真实可靠的解释。最后,我们提出了一个综合框架,旨在将最终用户纳入需求收集和验证的开发过程中。
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引用次数: 0
期刊
arXiv - CS - Other Computer Science
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