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Anak Agung Ngurah Gunawan

Publications (27)

Can the Physical Parameters with the Support Vector Machine (SVM) Method Able to Classify Benign and Malignant Breast Cancer?

Anak Agung Ngurah Gunawan, I. Made Satriya Wibawa, Anak Agung Ngurah Surya Mahendra, Anak Agung Ngurah Franky Kusuma Negara & Anak Agung Ngurah Frady Cakra Negara · Asian Journal of Research in Computer Science · 2022

Objective: Evaluating the diagnostic performance of SVM to classify benign and malignant by performing a meta-analysis. Methods: The data used for this study were secondary data. It consisted of 221 mammogram images (mean age 57.5 years) with 164 malignant and 57 benign, taken fr...

Open access Research Article 10.9734/ajrcos/2022/v14i4288

Design and Manufacture of LPG Gas Leak Detection Based on Arduino Uno Using MQ-2 Sensor

Satriya Wibawa I. Made, Anak Agung Ngurah Gunawan, Putra I. Ketut & Sukarasa I. Ketut · Asian Journal of Research and Reviews in Physics · 2024

Aims: To design and manufacture LPG gas leak detection tool that is more efficient, relatively cheaper and can be carried because it has a smaller shape and size compared to tools on the market Study Design: Design of LPG gas leak detection based on Arduino Uno using MQ-2 sensor....

Open access Research Article 10.9734/ajr2p/2024/v8i1155

Design and Manufacture of Rainfall Measuring Instruments Based on Android Smartphone and ATmega328P Microcontroller Using Hall Effect Sensor

Eko Adhari, Anak Agung Ngurah Gunawan, I. Made Satriya Wibawa & I. Ketut Putra · Journal of Engineering Research and Reports · 2023

Aims: To produce low-cost measuring instruments with high accuracy, which are expected to be used as a reference in developing rainfall observation instruments to reduce observation costs. Study Design: Design of Rainfall measuring instruments based on Android Smartphone and ATme...

Open access Research Article 10.9734/jerr/2023/v25i9991

Obstacle Detection Stick for the Visually Impaired Using HC-SR04 Ultrasonic Sensor and Arduino Nano Microcontroller-based Raindrop Sensor

Mega Tiarma Br Turnip, Anak Agung Ngurah Gunawan, I. Gusti Agung Putra Adnyana, I. Wayan Supardi & Ni Luh Putu Trisnawati · Journal of Engineering Research and Reports · 2023

Aims: With the stick, blind people can not only project their goals well, but also anticipate obstacles from the front, right, left, and unexpected puddles below without physical contact. Study Design: Obstacle Detection Stick for the Visually Impaired Using HC-SR04 Ultrasonic Se...

Open access Research Article 10.9734/jerr/2023/v25i3886

A Hybrid Method of Backpropagation and Particle Swarm Optimization for Enhancing Accuracy Performance

I. Made Widiartha, Anak Agung Ngurah Gunawan, E. R. Ngurah Agus Sanjaya & Kartika Sari · Current Journal of Applied Science and Technology · 2023

Aims: Backpropagation is an algorithm for adjusting the weight of neural networks in the training stage. The performance of backpropagation has proven superior in optimizing the weight of neural networks; however, this method needs improvement in the initiation stage, where the r...

Open access Research Article 10.9734/cjast/2023/v42i64072

Design and Manufacture of Radiosonde Based on Arduino Pro Mini Using BME280 Sensor

Ida Pertiwi Sari, Anak Agung Ngurah Gunawan, I. Made Satriya Wibawa, I. Ketut Putra & Mahmud Yusuf · Journal of Engineering Research and Reports · 2022

Aims: To produce low-cost Radiosonde instruments with high accuracy, which are expected to be used as a reference in developing upper aerial observation instruments so as to reduce observation costs Study Design:  Design of Radiosonde Based on Arduino Pro Mini Using BME280 Sensor...

Open access Research Article 10.9734/jerr/2022/v23i12758

Design of Automatic Door Lock Based on ATMEGA328P Microcontroller with MLX90614ESF DCI and HC-SR04 Sensors

Pillar Satya Mahardika, Anak Agung Ngurah Gunawan & I. Gde Antha Kasmawan · Journal of Engineering Research and Reports · 2022

In conditions like now, it is very important to check a person's health level to be able to enter a room so as not to transmit the disease that exists in that person. Infectious diseases can be avoided by keeping yourself healthy, besides taking care of yourself you can also avoi...

Open access Research Article 10.9734/jerr/2022/v23i10751

The System of Motor Vehicle Engine Racing Limit Control System Based on Oil Condition Level Based on ATmega328 Microcontroller

Dwi Rahmat Hidayat, Anak Agung Ngurah Gunawan & Putu Suardana · Journal of Engineering Research and Reports · 2022

Research has been carried out for the manufacture of a motor vehicle engine speed limit controller based on the level of oil condition based on the ATMega328 microcontroller. The method used is to read the pressure at different temperatures and certain rotations, if the pressure...

Open access Research Article 10.9734/jerr/2022/v23i9744

Assessment of Cancer Risk in Organs of the Abdominopelvic Region from Computed Tomography (CT) Scan Radiation

Ida Bagus Made Suryatika, I Gusti Agung Ayu Ratnawati, Anak Agung Ngurah Gunawan, Komang Tri Suandayani, I Gusti Putu Gede Oktar Mahardika & Ida Bagus Surya Wibawa · Asian Journal of Medicine and Health · 2025

Aims: The research aims to determine and analyze the effective dose value received by the patient's abdominopelvic from CT-scan radiation, determine the effective dose value of several organs at risk around the abdominopelvic organ, conduct a cancer potential test on the abdomino...

Open access Research Article 10.9734/ajmah/2025/v23i91294

Assessment of Cancer Risk from Fluorscopic Bile Duct Examinations at Sanjiwani Hospital, Gianyar

Gusti Widhi Ratih Saraswati, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, I Nengah Sandi, I Gusti Ayu Ratnawati & Ida Bagus Alit Paramarta · Asian Journal of Medicine and Health · 2025

Aim: Study on the Assessment of Cancer Risk from Fluoroscopic Bile Duct Examinations at Sanjiwani Hospital, Gianyar the aim is to determine the magnitude of the effective dose received by bile duct patients during fluoroscopic, to determine whether there is a difference between m...

Open access Research Article 10.9734/ajmah/2025/v23i71272

Prediction of Radiotherapy Dose Distribution for Glioblastoma Using Convolutional Neural Network Model

Ni Made Dian Rani, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, Gusti Ngurah Sutapa, Hery Suyanto & I Gde Antha Kasmawan · Asian Journal of Medicine and Health · 2025

Aims: This study aims to predict radiotherapy dose distribution for glioblastoma patients using Machine Learning with a Convolutional Neural Network (CNN) model. Study Design:  This research used an experimental design with a quantitative approach to predict radiotherapy dose dis...

Open access Research Article 10.9734/ajmah/2025/v23i41198

Design of Digital Lux Meter Based on Arduino Using EL7900 Photodiode Sensor

Satriya Wibawa, I Made, Putra, I Ketut & Anak Agung Ngurah Gunawan · Asian Journal of Research and Reviews in Physics · 2024

Aims: To design and manufacture a digital lux meter to the illumination intensity (E) detection tool that is more efficient, relatively cheaper, and can be carried because it has a smaller shape and size compared to tools on the market. Study Design: Design of lux meter digital b...

Open access Research Article 10.9734/ajr2p/2024/v8i4173

Securing OTP-based Access in Film-sharing Platforms Using RSA Encryption and QR Codes

I Ketut Gede Suhartana, I Nyoman Budhiarta Suputra & Anak Agung Ngurah Gunawan · Asian Journal of Research in Computer Science · 2024

Login data refers to information used by individuals who have purchased or subscribed to a specific membership. Typically, this data includes an OTP code. In this research, the OTP code is utilized to grant users access to view the list of movies associated with the account that...

Open access Research Article 10.9734/ajrcos/2024/v17i9503

Wedge Filter Variation on Wedge Factor in Patients Cancer Breast in Sub Installation Radiotherapy RSUP Prof. Dr. I.G.N.G Ngoerah

Ni Putu Divananda Purwaningrum, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, Ni Kadek Nova Anggarani, I. Gusti Agung Putra Adnyana & I. Gde Antha Kasmawan · Asian Journal of Medicine and Health · 2023

The aim of the study was to determine the effect of irradiation time, the percentage of the maximum dose, the distribution of doses at the center point, and the wedge factor on wedge filter variations. The research method uses a wedge filter to measure irradiation time, maximum d...

Open access Research Article 10.9734/ajmah/2023/v21i10898

Classification and Segmentation of Brain Tumor Using EfficientNet-B7 and U-Net

Antonius Fajar Adinegoro, Gusti Ngurah Sutapa, Anak Agung Ngurah Gunawan, Ni Kadek Nova Anggarani, Putu Suardana & I. Gde Antha Kasmawan · Asian Journal of Research in Computer Science · 2023

Tumors are caused by uncontrolled growth of abnormal cells. Magnetic Resonance Imaging (MRI) is modality that is widely used to produce highly detailed brain images. In addition, a surgical biopsy of the suspected tissue (tumor) is required to obtain more information about the ty...

Open access Research Article 10.9734/ajrcos/2023/v15i3320

Design and Experimental Evaluation of an Ultrasonic Generator for the Inactivation of Gram-positive and Gram-negative Bacteria

I Ketut Putra, I Made Satriya Wibawa, I Ketut Sukarasa, Freygieon Ogiek Rizal Sukma & Anak Agung Ngurah Gunawan · Asian Journal of Research and Reviews in Physics · 2026

This research presents the design and experimental application of an ultrasonic generator based on an IC 555 timer as a source of ultrasonic waves for bacterial inactivation. The developed system operated in the frequency range of 40–65 kHz and was experimentally evaluated using...

Open access Research Article 10.9734/ajr2p/2026/v10i1213

Monitoring Beta and Gamma Radiation Exposure Rates at Nuclear Medicine Installation of Bali Mandara Regional Hospital

Radhya Elyana Alghaitsa, Ida Bagus Made Suryatika, Bunawas, Gusti Ngurah Sutapa, Anak Agung Ngurah Gunawan & Putu Suardana · Asian Journal of Medicine and Health · 2025

Aims: To knowing the values of gamma radiation exposure rate, to knowing the values of beta radiation exposure rate, and to comparing the monitoring results of gamma radiation exposure rate and beta radiation exposure rate with BAPETEN regulation number 17 of 2012 article 33. Pla...

Open access Research Article 10.9734/ajmah/2025/v23i71273

The Effect of Tube Voltage Variations on CT Scan Image Quality at Prof. I G. N. G. Ngoerah General Hospital, Denpasar, Indonesia

Moehammad Iqbal Al Faqih, Ida Bagus Made Suryatika, I Wayan Balik Sudarsana, Ni Kadek Nova Anggarani, Anak Agung Ngurah Gunawan & I Putu Tedy Indrayana · Asian Journal of Research and Reviews in Physics · 2024

Aims: • Knowing the SNR and CNR values obtained from the image results that have been varied in the tube voltage. • Knowing the effect of variations in the tube voltage value on the quality of the CT scan image that will be produced. Place and Duration of Study: Radiology install...

Open access Research Article 10.9734/ajr2p/2024/v8i4174

Analysis of Radiation Dose Distribution and Organs at Risk in Breast Cancer Using Intensity Modulated Radiation Therapy Technique on A Linear Accelerator at RSUP Prof. Dr. I.G.N.G. Ngoerah

Luqyana Latifa, Ni Nyoman Ratini, I. Wayan Balik Sudarsana, Ida Bagus Made Suryatika, I. Gusti Ayu Ratnawati, Anak Agung Ngurah Gunawan & Rozi Irhas · Asian Journal of Medicine and Health · 2023

The aim of the study was to analyze the radiation dose distribution in breast cancer cases using IMRT techniques on a LINAC equipment, specifically examining the Conformity Index (CI), Homogeneity Index (HI), and radiation dose distribution to the OAR, including lungs and heart o...

Open access Research Article 10.9734/ajmah/2023/v21i8840

Comparison of Effective Radiation Dose in CT Scan Abdomen Examination of Male and Female Patients with IndoseCT Application

Noferlianus Hulu, Ni Nyoman Ratini, I Gusti Agung Widagda, Gusti Ngurah Sutapa, I Gde Antha Kasmawan, I Made Yuliara & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: This study aims to compare the effective dose of radiation in abdominal CT scan examination of male and female patients using IndoseCT version 20.b application. The focus of the study is on abdominal CT scans of adult male and female patients. Study Design: This study used a...

Open access Research Article 10.9734/ajmah/2025/v23i41200

Effect of Variation Number of Excitation (NEX) Parameter on the Quality Image of Magnetic Resonance Imaging Genu on T2 Weighted Image Sequence at Bali Mandara Regional General Hospital, Indonesia

Ni Putu Sri Wulan Ningsih, Ni Nyoman Ratini, I Gusti Agung Widagda, Ni Kadek Nova Anggarani, Ni Luh Putu Trisnawati, Komang Ngurah Suarbawa & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: Study on the effect of NEX parameter variations on image quality in T2WI sequences on genu MRI images aims to determine the effect of Number of Excitation (NEX) variations on image quality which is influenced by scanning time and Signal to Noise Ratio (SNR) and determine the...

Open access Research Article 10.9734/ajmah/2025/v23i41199

Analysis of TE Variations on SNR and CNR Values in Lumbar MRI T2WI Sequences at Bali Mandara Regional General Hospital

Ida Ayu Gede Vidya Pratiwi, Gusti Ngurah Sutapa, Ida Bagus Alit Paramarta, Ida Bagus Made Suryatika, Nyoman Wendri, I Putu Tedy Indrayana & Anak Agung Ngurah Gunawan · Asian Journal of Medicine and Health · 2025

Aim: This study aims to evaluate the effect of echo time (TE) variation on MRI image quality, which is measured using Signal to Noise Ratio (SNR) and Contrast to Noise Ratio (CNR). The focus of the study was on lumbar MRI examinations at RSUD Bali Mandara using a Philips 1.5 Tesl...

Open access Research Article 10.9734/ajmah/2025/v23i21170

Compliance Test of Percentage Depth Dose (PDD) Using LINAC Machine Brand Electa Precise against American Association of Physicists in Medicine (AAPM) PDD with Electron Beam Energy Variation at Radiotherapy Installation RSUP Prof. Ngoerah in Denpasar

Naumi Paramita Putri Monicasari, Ni Nyoman Ratini, I. Wayan Balik Sudarsana, Ida Bagus Made Suryatika, Ir. Putu Suardana, I. Gusti Agung Widagda, Anak Agung Ngurah Gunawan & Rozi Irhas · Asian Journal of Medicine and Health · 2023

The purpose of the study was to determine the value of PDD against energy variations in the electron beam using the Elekta Precise Brand LINAC aircraft, and to determine the suitability of the PDD value against energy variations in the electron beam with the standards set by AAPM...

Open access Research Article 10.9734/ajmah/2023/v21i10897

Comparative Analysis of Sentinel-3 and Terra MODIS Satellite Images for Air Temperature Observation in Denpasar Area

Josephira Anna Varestefanica, I. Made Yuliara, I. Wayan Andi Yuda, Komang Ngurah Suarbawa, Made Sumadiyasa, I. Nengah Sandi & Anak Agung Ngurah Gunawan · Asian Journal of Research and Reviews in Physics · 2023

This study evaluates the air temperature products of Sentinel-3 and Terra MODIS satellite images, with the aim of determining the comparison results of Sentinel-3 and Terra MODIS satellite images for air temperature observations, and also to determine the minimum and maximum temp...

Open access Research Article 10.9734/ajr2p/2023/v7i3141

Evaluation of Groundwater Availability for Rice during Period 2018-2022 in Tuban Regency, East Java

Riska Ardiyanti Putri, Winardi Tcahyo Baskoro, Zumrotul Unsuriyah, I. Ketut Sukarasa, I. Nyoman Rupiasih, Wayan Gede Suharta, Anak Agung Ngurah Gunawan & Wenas Ganda Putra · Asian Journal of Geographical Research · 2023

Research has been conducted on the deficit, surplus, percentage of groundwater availability, and classification of Oldeman climate type in Tuban Regency, East Java in 2018-2022 to increase rice crop productivity in Tuban Regency, East Java. This process begins with the collection...

Open access Research Article 10.9734/ajgr/2023/v6i2181

Analysis of Radiation Dose Distribution in Nasopharyngeal and Organ Cancer Cases at Risk with Linear Accelerator Radiotherapy 6 MV Photon Energy Using the IMRT Technique at Prof. Hospital. Dr. I. G. N. G. Ngoerah

Safitri Rahmaniyah, Ni Nyoman Ratini, I. Wayan Balik Sudarsana, Ida Bagus Made Suryatika, Komang Ngurah Suarbawa, I. Nengah Artawan, Anak Agung Ngurah Gunawan & Rozi Irhas · Asian Journal of Medicine and Health · 2023

This study aims to determine the distribution of radiation doses on PTV and OAR radioteraphy planning in RSUP. Prof. Dr. I.G.N.G Ngoerah, Bali, Indonesia does no exceed a predetermined limit. The research metode used is the value of Homogenity Index (H), Conformity Index (CI), an...

Open access Research Article 10.9734/ajmah/2023/v21i8838

Study of Maximum Average Wave Height Distribution in the Southern Waters of Java Island during the Period 2010-2021

Ninda Barokah, Komang Ngurah Suarbawa, Nurfaijin, I. Made Yuliara, I. Gde Antha Kasmawan, I. Nengah Sandi & Anak Agung Ngurah Gunawan · Journal of Pharmaceutical Research International · 2023

Aims: To determine the distribution of maximum average wave height in the southern waters of Java Island and to identify the time and season when the maximum average wave height occurs. Study Design: Analyzing the map of the distribution of maximum average wave height in the sout...

Open access Research Article