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Analysis of Application Scenarios of Cloud Computing and Internet of Things Technology in Smart Cities 云计算和物联网技术在智慧城市中的应用场景分析
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.17
Weijie Cai
Based on information technology, Internet of Things technology, big data technology, and cloud computing technology, smart city achieves the integration of urban information, thus developing an all-round perception of the city. Moreover, according to the development status of the city, it develops dynamic and refined management, which is of great help to improve the convenience of life of urban residents. This paper analyzes the key technology of smart city construction. It takes intelligent lighting as a case study to analyze cloud computing and Internet of Things technology application scenarios in smart cities.
智慧城市以信息技术、物联网技术、大数据技术、云计算技术为基础,实现城市信息的整合,从而对城市形成全方位的感知。此外,根据城市的发展状况,开展动态化、精细化管理,对提高城市居民的生活便利性有很大帮助。本文分析了智慧城市建设的关键技术。以智能照明为例,分析云计算和物联网技术在智慧城市中的应用场景。
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引用次数: 0
Public Place Crowd Transaction Monitoring System 公共场所人群交易监控系统
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.21
Zhize Wang
Currently, the phenomenon of abnormal movement in public spaces by groups is becoming increasingly prominent, leading to issues concerning public flow and safety. The escalating problems of high crowd density, the presence of controlled dangerous items, and unexpected group activities highlight the necessity for timely detection in public settings. Timely identification of such scenarios will facilitate prompt responses and assistance from relevant government departments. Exploring how artificial intelligence technology can aid urban management personnel in effectively detecting abnormal group behaviors is crucial. Having the ability to swiftly and efficiently evacuate crowds in emergency situations holds significant practical importance. This paper employs deep learning methodologies to assist urban management personnel in efficiently monitoring crowd density and detecting abnormal behaviors. The aim is to maintain crowd density within reasonable limits and enable rapid and effective crowd evacuation in emergency situations. Detection of abnormal group behaviors typically involves methods based on global features, extracting feature patterns like optical flow from entire video segments and constructing corresponding histograms. Given that automatic classification of crowd patterns involves sudden and abnormal changes, a novel method is proposed to extract motion "textures" from dynamic STV (Space-Time Volume) blocks formed from real-time video streams.
当前,公共场所的群体异常移动现象日益突出,引发了有关公共流动和安全的问题。高密度人群、管制危险物品、突发群体活动等问题的不断升级,凸显了在公共场所及时发现的必要性。及时发现此类情况将有助于相关政府部门迅速做出反应和提供帮助。探索人工智能技术如何帮助城市管理人员有效检测异常群体行为至关重要。具备在紧急情况下迅速有效疏散人群的能力具有重要的现实意义。本文采用深度学习方法,帮助城市管理人员有效监控人群密度并检测异常行为。目的是将人群密度保持在合理范围内,并在紧急情况下实现快速有效的人群疏散。异常群体行为的检测通常采用基于全局特征的方法,从整个视频片段中提取光流等特征模式,并构建相应的直方图。鉴于人群模式的自动分类涉及突然和异常的变化,我们提出了一种新方法,从实时视频流形成的动态 STV(时空卷)块中提取运动 "纹理"。
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引用次数: 0
DFENet: Double Feature Enhanced Class Agnostic Counting Methods DFENet:双特征增强型类无关计数法
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.14
Jiakang Liu, Hua Huo
Object counting is a basic computer vision task, which can estimate the number of each object in an image, thus providing valuable information. In dense scenes, there are huge differences in target individual scale, and the different target individual scale leads to low accuracy of target count. In addition, most of the existing target count datasets in the field require a lot of manual creation and annotation, which increases the cost and difficulty of the dataset, lack of ease of use and portability. To solve these problems, this paper proposes a class agnostic counting method Double Feature Enhancement Net based on improved Bilinear Matching Network+ (BMNet+). By introducing the feature enhancement module based on the principle of conditional random field and the adaptively spatial feature fusion module, combined with the feature similarity measurement strategy of bilinear matching network, the method can effectively extract the target features of different scales, enhance the adaptability to the targets with large scale changes, and improve the counting performance of the network. Experiments were carried out on FSC-147 data set, and the experimental results show that the proposed model has been further improved in counting accuracy. The MAE and MSE of the verification set are 15.03 and 54.53 respectively. In the test set, MAE reaches 13.65, MSE reaches 89.54, and the counting performance is at the advanced level in the field.
物体计数是计算机视觉的一项基本任务,它可以估计图像中每个物体的数量,从而提供有价值的信息。在密集场景中,目标的个体尺度存在巨大差异,不同的目标个体尺度导致目标计数的准确率较低。此外,现有的野外目标计数数据集大多需要大量的人工创建和标注,增加了数据集的成本和难度,缺乏易用性和可移植性。为了解决这些问题,本文提出了一种基于改进的双线性匹配网络+(BMNet+)的类无关计数方法--双特征增强网(Double Feature Enhancement Net)。该方法通过引入基于条件随机场原理的特征增强模块和自适应空间特征融合模块,结合双线性匹配网络的特征相似度测量策略,有效地提取了不同尺度的目标特征,增强了对尺度变化较大的目标的适应性,提高了网络的计数性能。在 FSC-147 数据集上进行了实验,实验结果表明所提出的模型在计数精度上有了进一步的提高。验证集的 MAE 和 MSE 分别为 15.03 和 54.53。在测试集中,MAE 达到 13.65,MSE 达到 89.54,计数性能达到了该领域的先进水平。
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引用次数: 0
"Algorithm Analysis and Design" Python Teaching Example of Greedy and Dynamic Programming 算法分析与设计 "Python "贪婪编程 "和 "动态编程 "教学示例
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i2.11
Ying Zhang, Lele Xi, Yixia Wu, Canping Li, Zebin Ma
The greedy algorithm and dynamic programming algorithm have always been difficult for students to understand in the course of algorithm analysis and design. This article uses Python as a descriptive language and selects classic examples of greedy and dynamic programming algorithms to analyze these two algorithms in detail, providing effective references for learning the Python language.
在算法分析与设计课程中,贪心算法和动态编程算法一直是学生理解的难点。本文以Python为描述语言,选取贪心算法和动态编程算法的经典实例,对这两种算法进行详细分析,为学习Python语言提供有效参考。
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引用次数: 0
Improvement of Deep Learning Model for Gastrointestinal Tract Segmentation Surgery 改进用于胃肠道分割手术的深度学习模型
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.19
Hong Zhou, Yan Lou, Jize Xiong, Yixu Wang, Yuxiang Liu
In 2019, approximately 5 million individuals were diagnosed with gastrointestinal tract cancer globally, with about half eligible for radiation therapy. This treatment, crucial for many patients, faces challenges due to the manual segmentation process required in newer technologies like MR-Linacs. This project, supported by the UW-Madison Carbone Cancer Center, aims to automate the segmentation of stomach and intestines in MRI scans using deep learning. The Unet2.5D model, specifically Unet2.5D(Se-ResNet50), has shown promising results, achieving a Dice Coefficient of 0.848. Successful implementation of this model could significantly expedite treatments, enabling higher radiation doses to tumors while minimizing exposure to healthy tissues, ultimately improving patient care and long-term cancer control.
2019 年,全球约有 500 万人被诊断出患有胃肠道癌症,其中约有一半符合放疗条件。由于 MR-Linacs 等新技术需要手动分割过程,这种对许多患者至关重要的治疗面临挑战。该项目由华盛顿大学麦迪逊分校卡本癌症中心(UW-Madison Carbone Cancer Center)支持,旨在利用深度学习自动分割核磁共振扫描中的胃和肠。Unet2.5D 模型,特别是 Unet2.5D(Se-ResNet50),已经取得了可喜的成果,骰子系数达到了 0.848。该模型的成功实施可以大大加快治疗速度,在对肿瘤进行更高的辐射剂量的同时,最大限度地减少对健康组织的照射,最终改善患者护理和长期癌症控制。
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引用次数: 0
Exploration of Teaching Reform of Information Technology Fundamentals Course in Vocational Colleges based on Blended Teaching 基于混合式教学的职业院校信息技术基础课程教学改革探索
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i2.15
Yanbin Chen
"Fundamentals of Information Technology" is a fundamental course in vocational colleges, mainly aimed at cultivating students' information technology application skills, sustainable development professional literacy and abilities. Traditional classroom teaching is no longer able to meet the personalized learning needs of students, and its effectiveness in improving their practical skills is not significant. This article analyzes the current situation of traditional teaching in this course and proposes a curriculum teaching reform strategy based on blended learning mode. In response to the strong hands-on ability of vocational college students, a combination of online preview by students before class and offline Q&A by classroom teachers is mainly adopted to guide students in independent exploratory learning, and process evaluation and assessment are adopted to form a student-centered classroom teaching method, allowing students to participate in the entire process of classroom teaching. While enhancing students' learning enthusiasm and initiative, it effectively enhances their computer practical skills.
"信息技术基础 "是高职院校的一门专业基础课,主要培养学生的信息技术应用能力、可持续发展职业素养和能力。传统的课堂教学已不能满足学生个性化的学习需求,在提高学生实践能力方面效果不显著。本文分析了该课程传统教学的现状,提出了基于混合式学习模式的课程教学改革策略。针对高职院校学生动手能力较强的特点,主要采用学生课前在线预习和任课教师线下答疑相结合的方式,引导学生自主探索性学习,并采用过程性评价考核,形成以学生为中心的课堂教学方式,让学生参与课堂教学的全过程。在提高学生学习积极性和主动性的同时,有效提升了学生的计算机实践能力。
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引用次数: 0
Optimization of Food Distribution System Based on Dynamic Planning Model 基于动态规划模型的食品配送系统优化
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i2.14
Xunyang Li, Jin Chen
Based on the data of per capita annual income, food production per hectare, and per capita consumption of consumers in different countries, this paper first establishes a dynamic planning model, starting from three indicators, namely, regional transportation time, purchasing capacity and actual demand, and using MATLAB, establishes a visual image to derive the changes of satisfaction, profitability, environment, and efficiency in the next ten years. In order to determine the priority of the four indicators, a hierarchical analysis model is established on the basis of the dynamic planning model to derive the calculated weights of each indicator. In order to verify the adaptability of the model, the model is applied to the developed country Britain and the developing country China, respectively, and the dynamic planning model is confirmed again according to the information returned by the visualization image, which illustrates the scalability of the model to the food distribution system in different countries and regions.
本文以各国人均年收入、每公顷粮食产量、消费者人均消费量等数据为基础,首先建立动态规划模型,从区域运输时间、购买能力、实际需求三个指标出发,利用 MATLAB 建立可视化图像,得出未来十年满意度、收益率、环境、效率的变化情况。为了确定四项指标的优先级,在动态规划模型的基础上建立了层次分析模型,得出各指标的计算权重。为了验证模型的适应性,将模型分别应用于发达国家英国和发展中国家中国,并根据可视化图像返回的信息再次确认了动态规划模型,说明了模型对不同国家和地区食品配送系统的可扩展性。
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引用次数: 0
A Joint Fake News Detection Model based on Multi-Features 基于多特征的假新闻联合检测模型
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.15
Shuxia Ren, Ning He, Xuanzheng Zhang
Text analysis-based models have achieved outstanding results in fake news detection tasks in recent years, which is closely linked to the quantity and quality enhancement of feature information extracted from the text. Drawing upon the existing semantic detection frameworks, studies in this field concentrate on extracting various textual information through a solitary auxiliary feature, text stance feature or sentiment feature. However, it is challenging to depict the general attributes of the text using a single auxiliary feature, which frequently results in missing essential details and leaves problems with stance distortion and emotional resonance. To tackle the problem, this study proposes a joint model for identifying fake news, incorporating numerous textual characteristics. By extracting and blending various aspects of text features, i.e., semantic, stance and sentiment features, a more detailed and effective joint analysis of textual information is attained, resulting in improved performance in fake news detection. On the RumourEval-17 datasets, our model attains the Macro F1 Score of 0.891, surpassing current models for detecting rumors. Additionally, our model obtains a Macro F1 Score of 0.904 on the latest COVID-19 dataset, demonstrating strong competitiveness and promising prospects for fake news detection.
近年来,基于文本分析的模型在假新闻检测任务中取得了突出成果,这与从文本中提取特征信息的数量和质量提升密切相关。借鉴现有的语义检测框架,该领域的研究主要集中在通过单独的辅助特征、文本立场特征或情感特征来提取各种文本信息。然而,使用单一的辅助特征描述文本的一般属性具有挑战性,经常会导致遗漏重要细节,并留下立场失真和情感共鸣等问题。为解决这一问题,本研究提出了一种结合多种文本特征的假新闻识别联合模型。通过提取和融合各方面的文本特征,即语义特征、立场特征和情感特征,可以对文本信息进行更详细、更有效的联合分析,从而提高假新闻检测的性能。在 RumourEval-17 数据集上,我们的模型获得了 0.891 的宏观 F1 分数,超越了当前的谣言检测模型。此外,在最新的 COVID-19 数据集上,我们的模型获得了 0.904 的宏观 F1 分数,显示出在假新闻检测方面的强大竞争力和广阔前景。
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引用次数: 0
Deep Learning Model Aids Breast Cancer Detection 深度学习模型辅助乳腺癌检测
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.18
Quan Zhang, Guoqing Cai, Meiqing Cai, Jili Qian, Tianbo Song
Breast cancer, a lumpy nodule or granular calcified tissue caused by cancerous changes in chest tissue, has become one of the most prevalent cancers. Due to the location and structure of the tumor, it can be detected directly by ultrasound or X-ray and is less likely to spread to other parts of the body than tumors in other parts of the body. Considering the huge number of sick people, the resources required for a full census would be enormous, but thanks to the rapid development of medical image processing technology in recent years, assisted diagnosis through deep learning models has gradually become more widely accepted. For detection models, higher accuracy means lower misdiagnosis rates and timely treatment for patients. Therefore, in this paper, we first specify the diagnose as a binary classification problem and then introduce a new pooling scheme and training method to achieve better results compared to the traditional network backbone in the past.
乳腺癌是胸部组织癌变引起的肿块结节或颗粒状钙化组织,已成为发病率最高的癌症之一。由于肿瘤的位置和结构,它可以直接通过超声波或 X 光检查出来,而且与身体其他部位的肿瘤相比,不易扩散到身体其他部位。考虑到患病人数众多,全面普查所需的资源将十分庞大,但得益于近年来医学图像处理技术的飞速发展,通过深度学习模型进行辅助诊断已逐渐被更多人所接受。对于检测模型而言,更高的准确率意味着更低的误诊率和对患者的及时治疗。因此,本文首先将诊断明确为二元分类问题,然后引入新的池化方案和训练方法,与过去传统的网络骨干相比,取得了更好的效果。
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引用次数: 0
Tower Defense Game Design based on Unity3D 基于 Unity3D 的塔防游戏设计
Pub Date : 2023-12-01 DOI: 10.54097/fcis.v6i1.16
Shuohan Chen
In today's society, with the rapid development of computer technology, personal computers have been integrated into our lives, and computer games have become a way of entertainment for people. Among them, tower defense games, as a branch of strategy games, have also been loved by the majority of players. On the computer game download platform, such as Steam's download list, you can also see all kinds of excellent tower defense games listed, such as “Bloom TD” and “Plants vs. Zombies”. However, in recent years, most tower defense games lack innovation, and the level game play is monotonous. Players are beginning to get tired of the gameplay of classic tower defense games, and their popularity has begun to decline. In order to solve this problem, this article is based on the Unity3D game engine, combined with the characteristics of UGC and RTS games, and made some innovations to the classic tower defense games. According to the actual needs, a tower defense game called “The Rise of The Tribes” was developed. The main work of this paper is to analyze and design The game, realize The switching between The three scenes in The game and each interface, and solve how to build buildings, how to defend defensive buildings, and how to deploy and move soldiers and attack, how to generate, collect and consume resources, completed The debugging and testing of The game, summarized the development process and made an outlook on how to improve the game.
当今社会,随着计算机技术的飞速发展,个人电脑已经融入了我们的生活,电脑游戏也成为了人们的一种娱乐方式。其中,塔防游戏作为策略游戏的一个分支,也受到了广大玩家的喜爱。在电脑游戏下载平台,如 Steam 的下载列表中,也可以看到各种优秀的塔防游戏赫然在列,如《布隆 TD》、《植物大战僵尸》等。然而,近年来,大多数塔防游戏缺乏创新,关卡玩法单调。玩家开始厌倦经典塔防游戏的玩法,其受欢迎程度也开始下降。为了解决这一问题,本文基于 Unity3D 游戏引擎,结合 UGC 和 RTS 游戏的特点,对经典塔防游戏进行了一些创新。根据实际需要,开发了一款名为 "部落崛起 "的塔防游戏。本文的主要工作是对游戏进行分析和设计,实现游戏中三个场景和各个界面之间的切换,解决如何建造建筑、如何防御建筑、如何部署和移动士兵以及如何攻击、如何生成、收集和消耗资源等问题,完成游戏的调试和测试,总结开发过程并对如何改进游戏进行展望。
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引用次数: 0
期刊
Frontiers in Computing and Intelligent Systems
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