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Cargo Route Optimization Using Shortest Path Algorithms: Runtime and Validity Comparison 基于最短路径算法的货物航线优化:运行时间和有效性比较
Pub Date : 2023-11-01 DOI: 10.3844/jcssp.2023.1369.1379
Dedy Rahman Wijaya, Aqil Athallah, Tiara Nuha Noor’afina, Patrick Adolf Telnoni, Sari Dewi Budiwati
The Indonesian logistics industry is facing significant challenges related to inefficiency and irregularity, particularly in the commodity cargo route system. This issue is further exacerbated by the high logistics costs in the country, which currently stands at 23%, higher than that of other countries. To address this issue, this study proposes an implementation and examination of several algorithms Greedy, Best First Search (BFS), Dijkstra’s, A*, and Floyd-Warshall to optimize the cargo route system and reduce logistics costs. The algorithms were compared using various parameters, including price, distance, rating, and time. The results revealed that the Greedy algorithm is not a reliable option for cargo route optimization. In contrast, the A* algorithm offered the best solution compared to other algorithms, although it was not the fastest in terms of time. This study emphasizes the importance of considering various factors to optimize the cargo route system effectively. The experiments conducted in this study offer promising insights and pave the way for further research to improve the efficiency and reliability of the logistics industry in Indonesia.
印尼物流业正面临着与效率低下和不规范有关的重大挑战,特别是在商品货运路线系统中。该国的高物流成本进一步加剧了这一问题,目前该国的物流成本为23%,高于其他国家。为了解决这一问题,本研究提出了贪心、最佳优先搜索(BFS)、Dijkstra’s、A*和Floyd-Warshall算法的实现和检验,以优化货物路线系统,降低物流成本。使用各种参数对算法进行比较,包括价格、距离、评级和时间。结果表明,贪心算法不是一种可靠的货运航线优化方法。相比之下,与其他算法相比,A*算法提供了最好的解决方案,尽管它在时间上不是最快的。本研究强调了综合考虑各种因素对有效优化货运航线系统的重要性。本研究中进行的实验提供了有希望的见解,并为进一步研究提高印尼物流业的效率和可靠性铺平了道路。
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引用次数: 0
Self-Managed Federation of MQTT Brokers with Dynamic Topology Control 具有动态拓扑控制的MQTT代理的自管理联合
Pub Date : 2023-11-01 DOI: 10.3844/jcssp.2023.1398.1409
Bruno Bevilaqua, Marco Aurélio Spohn
The Message Queuing Telemetry Transport (MQTT) protocol is most used in Internet of Things (IoT) applications. The protocol implements the Publish/Subscribe (P/S) communication model. Publishers are entities providing data to a server (broker), and subscribers are those showing interest in such data. The standard MQTT scenario relies on a single broker, a potential bottleneck, and a single point of failure. The best way to scale MQTT systems is through horizontal approaches like clustering and federation. In particular, this study focuses on improving the capabilities of a self-managed federation of brokers. We present the first solution to address the dynamic management of an overlay network for the federation of autonomous brokers. The system provides the primary mechanisms for building and self-healing the federation network. We develop a new variant for the original federation protocol integrating the dynamic topology management. We present a case study as a proof of concept, showing that all designed features work as expected.
消息队列遥测传输(MQTT)协议在物联网(IoT)应用中使用最多。该协议实现了发布/订阅(P/S)通信模型。发布者是向服务器(代理)提供数据的实体,订阅者是对这些数据感兴趣的实体。标准MQTT场景依赖于单个代理、潜在瓶颈和单点故障。扩展MQTT系统的最佳方法是通过集群和联邦等水平方法。本研究特别关注于提高经纪人自我管理联盟的能力。我们提出了第一个解决自治代理联盟覆盖网络动态管理的解决方案。该系统提供了构建和自修复联邦网络的主要机制。我们在原有的联邦协议基础上开发了一种新的变体,集成了动态拓扑管理。我们提出了一个案例研究作为概念证明,表明所有设计的功能都如预期的那样工作。
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引用次数: 0
A Hybrid Metaheuristic Algorithm for Diseases Classification Using UAV Images 基于无人机图像的疾病分类混合元启发式算法
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1231.1241
Yagnasree Sirivella, Anuj Jain
Recent advances in technology are very astounding since they have made it possible to manage and monitor systems remotely. Traditional farming is undergoing a transition towards "smart farming" with the assistance of technological breakthroughs, which include the implementation of intelligent irrigation systems and the remote monitoring of the development of crops. In particular, the Unmanned Aerial Vehicle plays a significant role in sophisticated UAVs' ability to capture photographs of crops and spray for pests. The image that is obtained from UAVs is then subjected to various forms of computer-assisted processing in order to determine whether or not the crop's leaves are naturally healthy, diseased, or rotten. Several groups of researchers investigated a variety of approaches, including clustering, machine learning, and deep learning, with the goal of determining the nature of the leaves and categorizing them according to the characteristics they possessed. These traits are necessary for categorization, but the time required to process them will be increased because of their enormous size. Because of this, the authors of this study present a hybrid feature reduction technique that is a blend of two different metaheuristic algorithms. In this case, an upgraded version of the cuckoo search algorithm was paired with the particle swarm to find the most advantageous characteristics. In this, the optimum features of the texture, such as its GLCM, GLDM, and local binary pattern features, were chosen for selection. Using a neural network that was based on the back propagation technique, the optimal characteristics were used for classification. The method that has been suggested is based on photographs that were taken in natural settings of sets of healthy and diseased leaf specimens. The entire process is carried out with the assistance of the MATLAB R2021a program and the results are analyzed with Accuracy, Sensitivity, and Specificity.
最近的技术进步是非常惊人的,因为它们使远程管理和监控系统成为可能。在技术突破的帮助下,传统农业正在向“智能农业”过渡,其中包括实施智能灌溉系统和远程监测作物的生长。特别是,无人机在复杂的无人机捕捉作物照片和喷洒害虫的能力方面发挥着重要作用。然后,从无人机获得的图像受到各种形式的计算机辅助处理,以确定作物的叶子是否自然健康,患病或腐烂。几组研究人员研究了各种方法,包括聚类、机器学习和深度学习,目的是确定叶子的性质,并根据它们所具有的特征对它们进行分类。这些特征对于分类是必要的,但处理它们所需的时间会因为它们的巨大尺寸而增加。因此,本研究的作者提出了一种混合特征约简技术,该技术混合了两种不同的元启发式算法。在这种情况下,升级版的布谷鸟搜索算法与粒子群配对,以寻找最有利的特征。其中,选取纹理的GLCM、GLDM和局部二值模式特征等最优特征进行选择。利用基于反向传播技术的神经网络,利用最优特征进行分类。所建议的方法是基于在自然环境中拍摄的健康和患病叶片标本的照片。整个过程在MATLAB R2021a程序的辅助下进行,并对结果进行了准确性、灵敏度和特异性分析。
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引用次数: 0
Exploring Data Augmentation for Gender-Based Hate Speech Detection 探索基于性别的仇恨言论检测的数据增强
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1222.1230
Muhammad Amien Ibrahim, Samsul Arifin, Eko Setyo Purwanto
Social media moderation is a crucial component to establish healthy online communities and ensuring online safety from hate speech and offensive language. In many cases, hate speech may be targeted at specific gender which could be expressed in many different languages on social media platforms such as Indonesian Twitter. However, difficulties such as data scarcity and the imbalanced gender-based hate speech dataset in Indonesian tweets have slowed the development and implementation of automatic social media moderation. Obtaining more data to increase the number of samples may be costly in terms of resources required to gather and annotate the data. This study looks at the usage of data augmentation methods to increase the amount of textual dataset while keeping the quality of the augmented data. Three augmentation strategies are explored in this study: Random insertion, back translation, and a sequential combination of back translation and random insertion. Additionally, the study examines the preservation of the increased data labels. The performance result demonstrates that classification models trained with augmented data generated from random insertion strategy outperform the other approaches. In terms of label preservation, the three augmentation approaches have been shown to offer enough label preservation without compromising the meaning of the augmented data. The findings imply that by increasing the amount of the dataset while preserving the original label, data augmentation could be utilized to solve issues such as data scarcity and dataset imbalance.
社交媒体节制是建立健康的网络社区和确保网络安全免受仇恨言论和攻击性语言侵害的关键组成部分。在许多情况下,仇恨言论可能针对特定性别,可以在社交媒体平台上以多种不同的语言表达,如印度尼西亚的Twitter。然而,数据短缺和印尼推文中基于性别的仇恨言论数据不平衡等困难阻碍了自动社交媒体审核的发展和实施。就收集和注释数据所需的资源而言,获取更多数据以增加样本数量可能代价高昂。本研究着眼于使用数据增强方法来增加文本数据集的数量,同时保持增强数据的质量。本研究探讨了三种增强策略:随机插入、反翻译、反翻译和随机插入的顺序组合。此外,该研究还检查了增加的数据标签的保存。性能结果表明,使用随机插入策略生成的增强数据训练的分类模型优于其他方法。在标签保存方面,这三种增强方法已被证明可以提供足够的标签保存,而不会损害增强数据的含义。研究结果表明,通过在保留原始标签的情况下增加数据集的数量,可以利用数据增强来解决数据稀缺和数据不平衡等问题。
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引用次数: 0
Escalating SVM-Efficiency by Sequential QP LP and Slack Variable Analysis 序贯QP LP与Slack变量分析提升svm效率
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1253.1262
Amit Kumar Kundu, Rezaul Karim, Ali Ahmed Ave
Support Vector Machine (SVM) is a highly attractive algorithm among many machine learning models due to its generalization power and classification performance based on sound mathematical formulation being convex that offers global minimum. However, despite being sparse, its high classification cost from kernel execution with Support Vectors (SVs) reduces the user's interest when there are hard computational constraints in the application, especially, for large and difficult data. So far in our knowledge, out of many existing works to overcome this problem, some are really interesting and heavy but get less attractive due to improper training difficulties for example, excessive cost-memory requirement, initialization, and parameter selection trouble because of the non-convexity of the problems while the other few that avoid these problems, cannot generate sparsity and complexity simultaneously of the final discriminator upto satisfactory level for very large and tricky data. In this direction, we propose a novel algorithm Efficiency Escalated SVM (EESVM) that solves two convex problems using Quadratic Programming (QP) and Linear Programming (LP) in sequence. This is followed by computational analysis on the remaining smallest set of slack variables that ultimately build two very essential properties of the machine: (i) Highly efficient by being heavily sparse and optimally complex and (ii) Able to handle very large and noise-effected complicated data. Benchmarking shows that this EESVM demands kernel computation as little as 6.8% of the standard QPSVM while posing almost the same classification accuracy on test data and requiring 42.7, 27.7 and 46.6% that of other three implemented state-of-the-art heavy-sparse machines while offering similar classification accuracy. It claims the lowest Machine Accuracy Cost (MAC) value among all of these machines though showing very similar generalization performance that is evaluated numerically using the term Generalization Failure Rate (GFR). Being quite pragmatic for modern technological advancement, it is indispensable for optimum manipulation of the troublesome massive, and difficult data.
支持向量机(SVM)是众多机器学习模型中极具吸引力的一种算法,因为它的泛化能力和基于可靠的数学公式是凸的且提供全局最小值的分类性能。然而,尽管是稀疏的,但当应用程序中存在硬计算约束时,特别是对于大型和困难的数据时,使用支持向量(SVs)执行内核的高分类成本降低了用户的兴趣。到目前为止,在我们所知的许多克服这个问题的现有工作中,有些非常有趣和繁重,但由于不适当的训练困难而变得不那么吸引人,例如,过高的成本-内存需求,初始化和参数选择麻烦,因为问题的非凸性,而其他少数避免了这些问题。对于非常庞大和复杂的数据,不能同时生成令人满意的最终鉴别器的稀疏性和复杂性。在这个方向上,我们提出了一种新的算法效率升级支持向量机(EESVM),该算法使用二次规划(QP)和线性规划(LP)依次解决两个凸问题。接下来是对剩余最小松弛变量集的计算分析,最终构建机器的两个非常重要的属性:(i)通过高度稀疏和最佳复杂而高效;(ii)能够处理非常大且受噪声影响的复杂数据。基准测试表明,该EESVM所需的内核计算量仅为标准QPSVM的6.8%,而对测试数据的分类精度几乎相同,在提供相似分类精度的情况下,该EESVM的分类精度分别为其他三种实现的最先进的重稀疏机器的42.7、27.7和46.6%。它声称在所有这些机器中最低的机器精度成本(MAC)值,尽管显示非常相似的泛化性能,使用术语泛化故障率(GFR)进行数值评估。对于现代技术进步来说,它是非常实用的,对于麻烦的海量、困难的数据进行优化处理是必不可少的。
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引用次数: 0
A Drug-Target Interaction Prediction Based on Supervised Probabilistic Classification 基于监督概率分类的药物-靶标相互作用预测
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1203.1211
Manmohan Singh, Susheel Kumar Tiwari, G. Swapna, Kirti Verma, Vikas Prasad, Vinod Patidar, Dharmendra Sharma, Hemant Mewada
Bayesian ranking-based drug-target relationship prediction has achieved good results, but it ignores the relationship between drugs of the same target. A new method is proposed for drug-target relationship prediction based on groups by Appling Bayesian. According to the reality that drugs interacting with a specific target have similarities, a grouping strategy was introduced to make these similar drugs interact. A theoretical model based on the grouping strategy is derived in this study. The method is compared with five typical methods on five publicly available datasets and produces superior results to the compared methods. The impact of grouping interaction on the Bayesian ranking approach is examined in this study to create a grouped medication set; comparable pharmaceuticals that interact with the same target are first grouped based on this reality. Then, based on the grouped drug set, new hypotheses were put forth and the conceptual approach of grouped Bayesian ranking was constructed. Finally, to predict novel medications and targets, the article also includes neighbor information. The associated studies demonstrate that the strategy presented in this study outperforms the conventional performance techniques. Plans for further performance improvement through the creation of new comparable grouping objectives are included in future work.
基于贝叶斯排序的药物-靶点关系预测取得了较好的效果,但忽略了同一靶点药物之间的关系。应用贝叶斯理论,提出了一种基于分组的药物-靶标关系预测方法。根据药物与特定靶点相互作用具有相似性的现实,引入分组策略使这些相似药物相互作用。本文建立了一个基于分组策略的理论模型。该方法在5个公开数据集上与5种典型方法进行了比较,结果优于比较方法。本研究检验了分组交互作用对贝叶斯排序方法的影响,以创建分组药物集;与相同靶标相互作用的可比药物首先根据这一现实进行分组。然后,在分组药物集的基础上,提出新的假设,构建分组贝叶斯排序的概念方法。最后,为了预测新的药物和靶点,文章还包括邻居信息。相关研究表明,本研究提出的策略优于传统的绩效技术。在今后的工作中还包括通过制定新的可比较的分组目标来进一步改善业绩的计划。
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引用次数: 0
Proposing a Hybrid Topological Organization for Non-Misbehaving Nodes with Optimal Path Selection Using Game-Theoretic Approach 利用博弈论方法提出一种具有最优路径选择的非异常节点混合拓扑组织
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1180.1189
Kanmani S, M. Murali
In dynamic communication networks, improvement of energy efficiency is one of the major challenges for reliable communication. By considering this challenge, we focus to develop the topology of the network. In this study, we design a hybrid star-mesh topology for minimizing the latency as well as energy consumption of the network. In the hybrid network topology, the Ad-Hoc On-Demand Multipath Distance Vector (AOMDV) routing protocol is used to establish multiple paths between source and destination. Among the multiple paths, the optimal path is chosen using Chimp Optimization Algorithm (ChOA) when the routing path loses its energy level. The optimal path selection leads to enhancing the energy efficiency of the network. Simulation results discuss the superior performance of the proposed scheme in terms of delivery ratio, energy consumption, delay, and throughput by 7% on aggregate.
在动态通信网络中,提高能源效率是实现可靠通信的主要挑战之一。考虑到这一挑战,我们专注于开发网络的拓扑结构。在本研究中,我们设计了一种混合星形网格拓扑结构,以最大限度地减少网络的延迟和能耗。在混合网络拓扑中,使用Ad-Hoc按需多路径距离矢量(AOMDV)路由协议在源和目的之间建立多条路径。在多条路径中,使用黑猩猩优化算法(Chimp Optimization Algorithm, ChOA)在路由路径丢失能级时选择最优路径。最优路径选择可以提高网络的能效。仿真结果表明,该方案在传输率、能耗、延迟和吞吐量等方面的总体性能优于传统方案。
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引用次数: 0
Segment-Aware Dynamic Partitioning PCM-DRAM: A Solution to IoT Devices Development Constraints 段感知动态分区PCM-DRAM:物联网设备开发约束的解决方案
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1212.1221
Qijin Zhu, Shuyi Liu, Zahid Akhtar, Kamran Siddique
The Internet of Things(IoT) furnishes a visual blueprint for the future internet. It serves upsensors, actuators, and distal devices on the edge of the network, creating agiant interconnected network. The IoT era refers to the future where all theconceivable data streams are integrated into the IoT, granting human-barrierfree access to physical entities on the internet. Along with the rapid progressof IoT, pressing issues have emerged. Energy dissipation, limited processingefficiency, and confined memory have become severe constraints for the IoT era.Phase Change Memory with Dynamic Random-Access Memory (PCM-DRAM) is ahybrid memory system that has been proven to reduce energy dissipation. It isknown to have a great capacity, higher endurance, and low latency. In thisstudy, we first analyze the significant constraints faced in the IoTdevelopment. We then analyze how these constraints can be solved by PCM-DRAMmemory. To this end, we propose a PCM-DRAM hybrid memory system called“Segment-Aware and Dynamic Partitioning PCM-DRAM” (SADP PCM-DRAM). Our proposalis grounded in a meticulous evaluation of the specific requirements posed byIoT applications. Furthermore, we also proposed two essential equations forquantifying energy consumption and the overall performance in terms ofaverage memory hit time.
物联网(IoT)为未来的互联网提供了可视化的蓝图。它为网络边缘的传感器、执行器和远端设备提供服务,创建了巨大的互联网络。物联网时代是指未来所有可想象的数据流都被集成到物联网中,使人类能够无障碍地访问互联网上的物理实体。随着物联网的快速发展,一些紧迫的问题也出现了。能量消耗、有限的处理效率和有限的内存已经成为物联网时代的严重制约因素。相变存储器与动态随机存取存储器(PCM-DRAM)是一种混合存储系统,已被证明可以降低能量消耗。众所周知,它具有巨大的容量,更高的耐力和低延迟。在本研究中,我们首先分析了物联网发展面临的重大制约因素。然后,我们分析了pcm - dram存储器如何解决这些限制。为此,我们提出了一种PCM-DRAM混合存储系统,称为“段感知和动态分区PCM-DRAM”(SADP PCM-DRAM)。我们的提案基于对物联网应用所提出的具体要求的细致评估。此外,我们还提出了两个基本方程来量化能量消耗和平均内存命中时间方面的整体性能。
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引用次数: 0
Mapping a Strategic Human Resource Information System for Society 5.0 构建面向社会5.0的战略性人力资源信息系统
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1283.1291
Glisina Dwinoor Rembulan, Evaristus Didik Madyatmadja, Johanes Fernandes Andry, Lydia Liliana, Agustina Andriani
Technology implementation in the Society 5.0 era has significant consequences for every industry, especially in the freight service sector. Era Society 5.0 emerged in anticipation of disruption due to the industrial revolution 4.0, which would degrade Human Resources (HR). The amount of information that must be managed related to HR raises problems, namely untidy data management, difficulty accessing employee data and difficulty finding pay slips, causing HR to be unable to contribute appropriately to the industry. In addition to experiencing problems with data completeness, the freight service industry is also experiencing problems with employees attending to be fully recorded due to manual data collection to the confusion of performance appraisal, which causes errors in giving bonuses. Based on the background of these problems, a new management solution is needed, namely the Human Resource Information System (HRIS). However, before implementing HRIS, the freight service industry needs to develop an HR management planning strategy using the help of the Plan, Do, Control, Act (PDCA) method. The research phase begins with a literature study and data collection. Mapping business processes and problems experienced is the basis for mapping the HR management strategy for making HRIS. Then, the HRIS realization process is measured by defining the cycles that go through based on the previous strategy design. The results of this study are in the form of proposed strategies for how HRIS impacts industry, especially in the Society 5.0 era, using analysis Performance, Information, Economic, Control, Efficiency, Service (PIECES). This study aims to develop the primary human resource management strategy used in the HRIS of the freight forwarding service industry. Thus, this strategy hopes to be used to face the defiance of the Society 5.0 era.
社会5.0时代的技术实施对每个行业都有重大影响,尤其是在货运服务领域。“时代社会5.0”是在预计到“工业革命4.0”将导致人力资源退化的情况下出现的。与人力资源相关的必须管理的信息量带来了问题,即数据管理不整洁,难以访问员工数据,难以找到工资单,导致人力资源无法为行业做出适当的贡献。货运服务行业除了存在数据完整性的问题外,还存在由于人工采集数据导致业绩考核混乱导致员工参加完整记录的问题,从而导致发放奖金的错误。基于这些问题的背景,需要一种新的管理解决方案,即人力资源信息系统(HRIS)。然而,在实施人力资源管理信息系统之前,货运服务行业需要利用计划、执行、控制、行动(PDCA)方法制定人力资源管理计划战略。研究阶段从文献研究和数据收集开始。映射业务流程和遇到的问题是映射人力资源管理策略以制定人力资源信息系统的基础。然后,通过定义基于先前策略设计的周期来衡量HRIS实现过程。本研究的结果是通过分析绩效、信息、经济、控制、效率、服务(PIECES),提出了HRIS对工业的影响策略,特别是在社会5.0时代。本研究旨在发展货运代理服务业人力资源管理系统的主要人力资源管理策略。因此,希望利用这一战略来面对社会5.0时代的挑战。
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引用次数: 0
Smart Harvesting Decision System for Date Fruit Based on Fruit Detection and Maturity Analysis Using YOLO and K-Means Segmentation 基于YOLO和K-Means分割的枣果实检测与成熟度分析的智能采收决策系统
Pub Date : 2023-10-01 DOI: 10.3844/jcssp.2023.1242.1252
Mohamed Ouhda, Zarouit Yousra, Brahim Aksasse
The date palm (Phoenixdactylifera) is a large palm with exotic fruits measuring up to 30 metersin height. The date palm produces fruits rich in nutrients provides a multitudeof secondary products, and generates income necessary for the survival of alarge population. Losses attributed to manual harvesting encompass bothquantitative and qualitative aspects, with the latter measured throughattributes such as appearance, taste, texture, and nutritional or economicvalue. These losses, in terms of both quantity and quality, are influenced bypractices across all phases of the harvesting process. On the other hand, therisks of work accidents are high because of the length of the date palms. Toreduce the losses and reduce risks, it is essential to propose a decisionsystem for robotic harvesting to help farmers overcome the constraints duringthe harvest. The assessment of quality and maturity levels in variousagricultural products is heavily reliant on the crucial attribute of color. Inthis study, an intelligent harvesting decision system is proposed to estimatethe level of maturity based on deep learning, K-means clustering, and coloranalysis. The decision system's performance is assessed using the dataset ofdate fruit in the orchard and various metrics. Based on the experimentalresults, the proposed approach has been deemed effective and the systemdemonstrates a high level of accuracy. The system can detect, locate, andanalyze the maturity stage to make a harvest decision.
枣椰树(Phoenixdactylifera)是一种大型棕榈树,其奇异的果实高达30米。枣椰树生产的果实营养丰富,提供了大量的二次产品,并为大量人口的生存创造了必要的收入。人工采伐造成的损失包括数量和质量两个方面,后者通过外观、味道、质地、营养或经济价值等属性来衡量。这些损失在数量和质量上都受到收获过程所有阶段的做法的影响。另一方面,由于椰枣树的长度,工作事故的风险很高。为了减少损失和降低风险,有必要提出一个机器人收获的决策系统,以帮助农民克服收获过程中的限制。各种农产品的质量和成熟度评估严重依赖于颜色这一关键属性。本研究提出了一种基于深度学习、k均值聚类和颜色分析的智能收获决策系统来估计成熟度水平。决策系统的性能是通过使用果园中的日期水果数据集和各种指标来评估的。实验结果表明,该方法是有效的,系统具有较高的精度。该系统可以检测、定位和分析成熟期,从而做出收获决策。
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引用次数: 1
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