Journal of Biomolecular Techniques最新文献_第7页

Generating and Improving a Dataset of Masked Faces Using Data Augmentation 利用数据增强生成和改进蒙面数据集

Journal of Biomolecular Techniques Pub Date : 2023-06-10 DOI: 10.51173/jt.v5i2.1140

Waleed Ayad, Siraj Qays, Ali Al-Naji

{"title":"Generating and Improving a Dataset of Masked Faces Using Data Augmentation","authors":"Waleed Ayad, Siraj Qays, Ali Al-Naji","doi":"10.51173/jt.v5i2.1140","DOIUrl":"https://doi.org/10.51173/jt.v5i2.1140","url":null,"abstract":"Before the spread of the COVID-19 virus in 2020, modern face recognition systems performed excellently, but then the wearing of masks was imposed by countries on their population, which led to a noteworthy decrease in the discriminatory ability of those systems, where they had been trained on large-scale datasets of unmasked faces and not available large-scale masked faces datasets that time. To contribute to addressing the shortage of large-scale data sets that consist of people wearing masks, a developed method has been presented to create simulated masks and overlay them on faces in two main steps. The first step was to detect, align and crop the faces of unmasked faces datasets in a dataset and then apply simulated masks on the faces utilizing the dlib-ml library. This method was used to generate a dataset for masked faces (CASIA-mask). The second step used five techniques of data augmentation with the generated dataset. To evaluate the masked dataset and data augmentation, an accuracy of 96.4% was achieved by training one of the latest and most important facial recognition systems, FaceNet, on the masked dataset. The same system also achieved excellent results of 97.71% when trained on CASIA-mask and data augmentation together.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75039779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Short Review for Design and Implementation of a New Low-Cost Prototype Portable Smart Ventilator 一种新型低成本便携式智能呼吸机的设计与实现综述

Journal of Biomolecular Techniques Pub Date : 2023-06-08 DOI: 10.51173/jt.v5i2.945

Shereen Q. Blais, Jameel K. Abed, Mohannad J. Mnati, Tareq S. El-Hasan

引用次数: 0

Minimizing Energy Consumption Based on Clustering & Data Aggregation Technique in WSN (MECCLADA) 基于聚类和数据聚合技术的WSN (MECCLADA)能耗最小化

Journal of Biomolecular Techniques Pub Date : 2023-06-06 DOI: 10.51173/jt.v5i2.693

Dhulfiqar Talib Abbas, Dalal Abdulmohsin Hammood, Seham ahmed hashem, Saidatul Norlyana Azemi

{"title":"Minimizing Energy Consumption Based on Clustering & Data Aggregation Technique in WSN (MECCLADA)","authors":"Dhulfiqar Talib Abbas, Dalal Abdulmohsin Hammood, Seham ahmed hashem, Saidatul Norlyana Azemi","doi":"10.51173/jt.v5i2.693","DOIUrl":"https://doi.org/10.51173/jt.v5i2.693","url":null,"abstract":"Wireless sensor networks WSNs have expanded in popularity in recent years and are now being utilized for many different operational tasks including tracking, monitoring, transportation, military operations, and healthcare. Therefore, it's essential for WSNs to prolong the sensor node's lifespan. The most crucial component in the sensor nodes is the energy from the battery, determining how long the WSN will last. Energy saving is essential since there is a limited battery powering the sensor nodes. Energy is needed at sensor nodes for a variety of operations, including data receipt and transmission, data processing, sensing, and other operations. However, data processing uses substantially less energy than data transmission, which has the highest energy consumption of all of them. As a result, reducing the spacing between the base station (BS) and the sensor node will result in reducing the distance that the data travels on its way to the BS, which will help conserve energy and increase the lifespan of WSNs. In this research, two methods that operate at the sensor node level are proposed: clustering and data aggregation. K-means clustering and Extrema Point (EP) data aggregation. The proposed approaches operate in three steps periodically: data collection, data aggregation, and data transmission. By aggregating duplicated data before transmitting, it to the base station (BS), these methods aim to shorten the distance between sensor nodes and the base station as well as the amount of transmitted data, while maintaining a reasonable level of accuracy for the data received at the BS or Cluster Head (CH). The efficiency of the proposed strategies is evaluated by extensive simulated experiments. The simulation outcomes demonstrate that the proposed methodology outperforms the current strategies and yields energy savings of over 90% when compared to the PIP-DA and ATP strategies.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83520131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dual-Band MIMO Antenna Design for 5G Smartphones Mobile Communications 面向5G智能手机移动通信的双频MIMO天线设计

Journal of Biomolecular Techniques Pub Date : 2023-06-05 DOI: 10.51173/jt.v5i2.1259

Atta Ullah, Nasser Ojaroudi, M. Abdul-Al, W. Manan, A. Salisu, I. Gharbia, Chan Hwang, R. Abd‐Alhameed

{"title":"Dual-Band MIMO Antenna Design for 5G Smartphones Mobile Communications","authors":"Atta Ullah, Nasser Ojaroudi, M. Abdul-Al, W. Manan, A. Salisu, I. Gharbia, Chan Hwang, R. Abd‐Alhameed","doi":"10.51173/jt.v5i2.1259","DOIUrl":"https://doi.org/10.51173/jt.v5i2.1259","url":null,"abstract":"In this research, an innovative L-shape slot that is fed by F-shape dual-band six-Elements multiple-input multiple-output (MIMO) antenna for mobile phones that operate in a 5G spectrum is demonstrated. This proposed antenna has six antenna elements that can operate in dual band sub-6 GHz for 5G band spectrums at 3.42–3.77 GHz and at 5.30–5.63 GHz. Every antenna element has an L-shaped slot in the ground fed by the same feedline that support the matching of the F-shaped microstrip lines. Important features of the anticipated layout are examined. It provides excellent efficiency at the operation band, appropriate isolation, adequate radiation coverage, and good S-parameters. Ant 3's provided the maximum return loss at 3.6 GHz which is -35 dB, whereas Ant 5 and Ant 6 provide the highest return losses at 5.4 GHz which is -38dB of the suggested dual-band frequency of 5G smartphones. To validate the exactness of the constructed MIMO antenna performances, the sample prototyping and experimentally measured outcomes were carried out in the Lab. Both simulated and measure result assessments revealed an extremely excellent understanding of both results. satisfactory input impedance and mutual coupling characteristics. Future smartphones can leverage the proposed design for high data-rate cellular connectivity because of these appealing properties.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74004219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An Investigation of Joining Polyamide (PA) to Stainless Steel AISI 316L by Hot Press Process 聚酰胺(PA)与不锈钢AISI 316L热压接合的研究

Journal of Biomolecular Techniques Pub Date : 2023-04-08 DOI: 10.51173/jt.v5i1.1280

Osamah Sabah Barrak, Osamah Fattah Taresh, Mahmood Mohammed Hamzah, Rusul Ahmed Shakir

{"title":"An Investigation of Joining Polyamide (PA) to Stainless Steel AISI 316L by Hot Press Process","authors":"Osamah Sabah Barrak, Osamah Fattah Taresh, Mahmood Mohammed Hamzah, Rusul Ahmed Shakir","doi":"10.51173/jt.v5i1.1280","DOIUrl":"https://doi.org/10.51173/jt.v5i1.1280","url":null,"abstract":"A hot press process was used as a technique to pound a polyamide type of polymer of a thickness (2mm) to stainless steel AISI 316L of the thickness (1mm). A hybrid joint of dissimilar material was accomplished by a hot press bonding process. During the joining process, three different parameters of process were used: processing temperature of 175, 170 and 165°C, processing pressure of 3, 6 and 9 bar and time of 1.5, 3 and 4.5 min. The surface of stainless steel was prepared and treated by a mechanical treatment (surface grinding) to improve the wettability to increase the shear strength. A shear tensile, scanning electron microscope (SEM) and energy dispersive spectrometry (EDS) tests were used to investigate and examine the joint (bounding) specimens. The Minitab program was used to analyze the effect of the parameters of the joining process on the joint properties. The maximum and minimum values of shear force are exhibited at a processing temperature of 165°C, applied pressure of 6 bars and processing time of 1.5 minutes; the minimum shear force was found to be 675 N, while the maximum shear force was 2182 N at a processing temperature of 175°C, applied pressure of 6 bars and processing time of 3 minutes. The tested joints failed by an interfacial shear and necking in the polymer side with a ductile fracture. The joining process occurred through a mechanical interlocking between the molten polymer and the treated surface of the steel specimen. The average thickness of the joining line for the tested specimens was 8µm.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76566553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

نظام الحوافز وانعكاساته (الايجابية والسلبية) على اداء العاملين: بحث في الشركة العامة للنقل البحري – بغداد 奖励制度及其对雇员业绩的积极和消极影响:在巴格达公共航运公司的研究

Journal of Biomolecular Techniques Pub Date : 2023-04-08 DOI: 10.51173/jt.v5i1.773

Adnan Yasser Muhammad, Basima Hazem Muhammad

{"title":"نظام الحوافز وانعكاساته (الايجابية والسلبية) على اداء العاملين: بحث في الشركة العامة للنقل البحري – بغداد","authors":"Adnan Yasser Muhammad, Basima Hazem Muhammad","doi":"10.51173/jt.v5i1.773","DOIUrl":"https://doi.org/10.51173/jt.v5i1.773","url":null,"abstract":".الفرد العامل يتأثر بنظام الحوافز الذي يمثل احد اهم العناصر الأساسية في تحسين اداء عمله، إذ إن نجاح المؤسسات يعتمد على المورد البشري الذي يمثل عاملا حيوياً في بيئة العمل ومتطلباً ضرورياَ لإنجاز الاعمال التي تختلف من فرد لآخر نتيجةً لاختلاف حاجاتهم ودوافعهم وجديتهم في العمل، والهدف الاساس من هذا البحث هو بيان تأثير نظام الحوافز الايجابية او السلبية ودورها المهم والفاعل في نتائج اداء العاملين والفوائد المتحققة جراء تطبيق هذا النظام سواء أكان للعاملين أم الشركة في ذات الوقت، لذا طبق البحث في الشركة العامة للنقل البحري على عينة عشوائية بسيطة بلغت (118) موظفاً، باستخدام المنهج التحليلي وكانت اداة جمع البيانات (الاستبانة) ولتحليلها احصائيا تم استخدم برنامج الحزمة الإحصائية للعلوم الاجتماعية ( Spss – Ver – 19 ) ( معامل الثبات، الوسط الحسابي، الانحراف المعياري، معامل الاختلاف، معامل الارتباط بيرسون، اختبار t، اختبار f، عامل التحديد R²) وبرنامج ( Microsoft Excel)، وقد توصل البحث الى عدد من الاستنتاجات اهمها وجود علاقة تأثير ذات دلالة معنوية بين الحوافز الايجابية المعنوية في اداء العاملين في الشركة أكثر تأثيراً من الحوافز المادية، كذلك تبين لنا لا يوجد علاقة تأثير بين الحوافز السلبية (المادية والمعنوية) في اداء العاملين أي ن الفرد العامل لا يوجد لديه اي تأثير من الحافز السلبي سواء أكان سلوكه ايجابيا باندفاعه لتحسين اداء عمله أم عدوانيا وقيامه بتصرفات سلوكية غير لائقة في انجاز عمله، ومن أهم ما أوصى به البحث ضرورة التغيير والاهتمام والتطوير لنظام الحوافز المطبق في الشركة بشكل يخلق فرص وتحديات جديدة للعاملين تعمل على تنمية الابداع والتميز بعيدا عن النمط المألوف في انجاز الاعمال.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73911358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

العمل التقني وصورته التصميمية في الفضاء الداخلي: (كدراسة حالة لفندق برج العرب نموذجا) 室内空间的技术工作和设计图象(阿拉伯塔塔案例研究，范例)

Journal of Biomolecular Techniques Pub Date : 2023-04-08 DOI: 10.51173/jt.v5i1.586

Mohamed Jarallah Tawfik, Jassim Mohammed Faris

{"title":"العمل التقني وصورته التصميمية في الفضاء الداخلي: (كدراسة حالة لفندق برج العرب نموذجا)","authors":"Mohamed Jarallah Tawfik, Jassim Mohammed Faris","doi":"10.51173/jt.v5i1.586","DOIUrl":"https://doi.org/10.51173/jt.v5i1.586","url":null,"abstract":"شهد العالم تطوراً تقنيا ضخماً ولقد انعكست اثاره على انواع العلوم والمعرفة، مما شكل نهضة في صورته التصميمية برزت معالمها في تصميم الفضاءات الداخلية المعاصرة التي تعّد احدى اهم الوسائل لتحقيق النهضة التصميمية، مما يتطلب من المصمم الداخلي دراسة علمية وعملية لمتطلبات العمل التصميمي والتقني جميعاً، وهذا يعتمد على اختيار المصمم الداخلي للأفكار التصميمية المقترحة من خلال استدعائها من مخيلته التصميمية الى واقع ملموس التي تعتمد بالدرجة الاساس على دراسة الخصائص المطلوب تنفيذها بالنسبة للمحددات الداخلية ضمن ضرورات وظيفيه وجمالية وعليه، فقد تم صياغة مشكلة الدراسة البحثية بالتساؤل الاتي ما هي المقومات الذي يعتمدها العمل التقني؟ وما هي انعكاسه على صورته التصميمية في الفضاء الداخلي المعاصر لفندق برج العرب؟ بينما تسهم اهمية البحث في رفد المكتبات وخاصة في حقل التصميم الداخلي بمعلومات ذات قيمة في مجال العمل التقني بما يتضمنه من الصورة التصميمية يمكن الرجوع اليها من المختصين في مجال التصميم الداخلي والافادة منها نظريا وعمليا في حين يهدف البحث الحالي الى الكشف عن المقومات الذي يعتمد العمل التقني من خلال انعكاسها على صورته التصميمية في الفضاء الداخلي المعاصر (لفندق برج العرب) كما تضمنت الدراسة البحثية محاور الاطار النظري وكذلك اجراءات البحث والمتمثلة بمنهجية البحث المعتمدة المنهج الوصفي التحليلي (دراسة حالة) واخيراً تضمنت الدراسة البحثية استخلاص اهم النتائج والاستنتاجات والتوصيات والمقترحات المستقبلية.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79928083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

تنوع تقنيات الشكل التصميمي ودلالته التراثية المعبرة في البيئة الداخلية: (الدواوين الأميرية والملكية بدول الخليج العربي انموذجا) 内部环境中表现出的形形色色的设计形态技术及其遗产意义(典型的埃米尔韦氏菌和阿拉伯湾国家的所有权)

Journal of Biomolecular Techniques Pub Date : 2023-04-08 DOI: 10.51173/jt.v5i1.1111

Mahmad Hasan H. Nama Alhilo, Mudher Ridha Hussein Zabiba, Surti kanti Marah Ali

{"title":"تنوع تقنيات الشكل التصميمي ودلالته التراثية المعبرة في البيئة الداخلية: (الدواوين الأميرية والملكية بدول الخليج العربي انموذجا)","authors":"Mahmad Hasan H. Nama Alhilo, Mudher Ridha Hussein Zabiba, Surti kanti Marah Ali","doi":"10.51173/jt.v5i1.1111","DOIUrl":"https://doi.org/10.51173/jt.v5i1.1111","url":null,"abstract":"بعد اطلاع الباحثان على العديد من تصاميم الدواوين العربية في دول الخليج اتضح وجود دور واضح يساهم في تفعيل تنوع تقنيات الشكل التصميمي ودلالته التراثية المعبرة في البيئة الداخلية وفي ضوء ذلك تم تحديد مشكلة البحث بالتساؤل الآتي: ما هي المتطلبات التي يستند اليها تنوع تقنيات الشكل التصميمي؟ وما هي دلالته التراثية المعبرة في البيئة الداخلية لدواوين دول الخليج العربي؟ وتبرز أهمية هذه الدراسة بإنها تبحث في مجال تنوع تقنيات الشكل التصميمي ودلالته التراثية المعبرة عن البيئة الداخلية ضمن دواوين دول الخليج العربي. بينما يتجسد هدف الدراسة البحثية في التعرف على المتطلبات التي يستند اليها تنوع تقنيات الشكل التصميمي ودلالته التراثية المعبرة في البيئة الداخلية لدواوين دول الخليج العربي. كما تضمنت حدوده المكانية والزمانية الفضاءات الداخلية والمتمثلة بدواوين دول الخليج العربي للمدة من 2014م- 2020م، من ثم تناول الباحثان الإطار النظري للبحث، ومن بعد ذلك إجراءات البحث المعتمدة على المنهج الوصفي، واخيراً تضمن الفصل الرابع استخلاص نتائج واستنتاجات الدراسة البحثية.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73546521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Children Tracking System Based on ZigBee Wireless Network and Neural Network 基于ZigBee无线网络和神经网络的儿童跟踪系统

Journal of Biomolecular Techniques Pub Date : 2023-04-07 DOI: 10.51173/jt.v5i1.838

{"title":"Children Tracking System Based on ZigBee Wireless Network and Neural Network","authors":"","doi":"10.51173/jt.v5i1.838","DOIUrl":"https://doi.org/10.51173/jt.v5i1.838","url":null,"abstract":"The safety of children is one of the fundamental concerns of parents. Recently, child kidnapping has increased by a large percentage, some children have been found, and some children have not found yet. This paper proposes an indoor localization system based on ZigBee wireless sensor network (WSN) and Backpropagation Artificial Neural Network (BP-ANN) to locate the child in an indoor environment. Several ANN topologies were investigated to select the best one with minimum tracking or localization error. The Received Signal Strength Indicator (RSSI) was collected from four ZigBee XBee S2C anchor nodes by the mobile node carried by the child in an indoor area of 32m × 32m. The RSSI was collected from 127 test points inside the tested area. The measured RSSI was used to train, test, and validate the performance of BP-ANN to determine the two dimensions (2D) of the target child’s location. Different topologies of ANN have been examined for training, testing, and validation which are 5-5, 10-10, 15-15, and 20-20 neurons in the hidden layer. The findings indicate that the 20-20 ANN topology can achieve higher accuracy than other topologies. Additionally, 20-20 topology localization errors were 1.0, 1.157, and 1.356 m for training, testing, and validating ANN performance.","PeriodicalId":39617,"journal":{"name":"Journal of Biomolecular Techniques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84406644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

تأثير البعد التنظيمي في الإبداع السلوكي والإبداع الاستراتيجي: دراسة تحليلية في مديرية شؤون البطاقة الوطنية 组织层面对行为创新和战略创新的影响:国家卡局分析研究

Journal of Biomolecular Techniques Pub Date : 2023-04-07 DOI: 10.51173/jt.v5i1.981

Dhuha Mohammed Mohammed Rashed, Azzam Abdulwahab Abdulkareem

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