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All Journal International Journal of Electrical and Computer Engineering IAES International Journal of Artificial Intelligence (IJ-AI) TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Teknologi Informasi dan Ilmu Komputer Journal of Information Technology and Computer Science Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Indonesian Journal of Electrical Engineering and Computer Science Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Nasional Teknik Elektro dan Teknologi Informasi Edu Komputika Journal
Komang Candra Brata
Universitas Brawijaya
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Social Sciences Other

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Virtual reality eye exercises application based on bates method: a preliminary study Komang Candra Brata; Hanifah Muslimah Az-Zahra; Adam Hendra Brata; Lutfi Fanani
Indonesian Journal of Electrical Engineering and Computer Science Vol 30, No 1: April 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v30.i1.pp606-613

Abstract

In many situations, ophthalmologists prescribe glasses and contact lenses as a treatment method for Myopia. The other way to cure myopia is by performing Lasik surgery or using advanced tools which takes a large amount of financial effort. Dr. William Horatio Bates proposed a promising method to cure myopia with an eye exercise approach, providing opportunities to enhance the availability of low-cost eye treatment that is not easily achievable with surgery and other expensive approaches. However, many myopia patients are still unaware of this method and have no idea how to use it in their daily lives. The rapid growth of virtual reality (VR) technology has shown that this technology offers an affordable and effective solution to provide better health services. This paper expands the result of an initial experiment aimed to validate the utilization of mobile VR technology to enhance the possibility of the Bates method implementation as a low-cost daily eye exercise tool. A direct diary study with 14 participants was carried out to explicitly investigate the feasibility of the proposed app. The result reveals that the proposed app could assist people with myopia when doing eye exercises and the result is quite promising in reducing the refractive levels with 0.13 diopter on average within 5 weeks period.
Implementasi Perlindungan Peretasan Google In App Purchase dengan Metode One Time Server Side Verfication, Verification Bypass Detection, dan Obfuscator pada Aplikasi Informasi Cuaca Android M Faizal Putra Pradana; Agi Putra Kharisma; Komang Candra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 1 No 8 (2017): Agustus 2017
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (954.312 KB)

Abstract

In App Purchase System is one of Google Play's features that allows developers to sell additional contents on applications that available on Google Play. But the In App Purchase System has its shortcomings, it can be hacked by VirtualSwindler system. LuckyPatcher is an example of VirtualSwindler system that able to manipulate signature verification process and save unauthentic purchase data into the local device system. The combination of 3 security methods, Server Side Verification, Verification Bypass Detection, dan Obfuscator, successfuly secure the In App Purchase system of a Weather Information App from the attacks of LuckyPatcher with 100% of accuracies . Verification Bypass Detection will determine wether the verification process is authentic or not. Server Side Verification will check the authenticity of saved purchase data without the worries of being manipulated by the compromised In App Purchase system. Obsfucator can keep the saved data secure from unauthentic modifications.
Pengembangan Aplikasi Pelatihan Otot Mata Penderita Miopia Menggunakan Metode Bates dan Teknologi Virtual Reality Mukhammad Sharif Hidayatulloh; Komang Candra Brata; Hanifah Muslimah Az-Zahra
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 1 No 12 (2017): Desember 2017
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1015.501 KB)

Abstract

The common treatment for the myopia is by using the glasses, the other ways to cure this problem is doing lasiik surgery, but it takes large amount of financial so only people who have good financial can do this solution. The bates method which have found by Dr. William Horatio Bates 100 years ago was easy and can be used by everyone to cure myopia. The bates method has implemented to an application which using virtual reality technology, this implementation have a purpose to train eyebrow muscle eye easily and independently. The using of gyroscope sensor in smartphone and google vr sdk support eyebrow muscle eye training on bates method. The simulation in this training using the green pointer which move based on training technique. The user using this application in period 30 days and 5-10 minutes training duration each day. The measurement of myopia scale done on the first day and 5 times in period 30 days with interval 6 day using in-app features. The result of effectiveness testing for 12 respondent show the avarage decrease of myopia scale is 0.22D. This result come near with the result of Hildeth's research in 1947 that show result 0.25D. This successfull testing show that virtual reality implementation is effective with bates method.
Sistem Temu Kembali Informasi Pasal-Pasal KUHP (Kitab Undang-Undang Hukum Pidana) Berbasis Android Menggunakan Metode Synonym Recognition dan Cosine Similarity Safier Yusuf; Mochammad Ali Fauzi; Komang Candra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 2 (2018): Februari 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1147.851 KB)

Abstract

Kitab Undang-undang Hukum Pidana (KUHP) is a matter that must be studied and even memorized for people engaged in their field, such as police, law enforcement officials, judges, lawyers or persons associated with the trial. KUHP is a book in which it consists of dozens of chapters and hundreds of chapters with a total of 569 articles, so that with a thick book it will become very inefficient and practical if it must be brought and also if you want to find related chapters that must open the page one by one manual. Based on these conditions in this study developed applications using synonym recognition and cosine similarity methods. Synonym recognition is a technique used to recognize words with different writing but has the same meaning. The cosine similarity method is used to calculate the similarity or closeness of the chapter documents with the query. The performance of the system is indicated by the results of the tests on each threshold variation of 5, 10 and 15, with optimal performance is at threshold 15 which has f.measure value of 0.404.
Pembangunan Aplikasi Cross-Platform Pelacak Kendaraan dengan Metode Portable Class Library (Studi Kasus Perusahaan Laundry Taptopick) Albilaga Linggra Pradana; Komang Candra Brata; Lutfi Fanani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 3 (2018): Maret 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (559.913 KB)

Abstract

One of the factors which can keep a company to running theirs smoothly is the ability to maintain customer loyalty. On a new company, maintaining loyalty is not easy to do because there are several factors that must be addressed. There is a tranportation company that succeeds in maintaining loyalty which is always use business support technology that is intended to focus on the responsibilities of each fleet of drivers. This technology is beneficial for the cost efficiency that customers can feel. Therefore, the case study in this study is on a company that still has employee performance problems that is Taptopick company that serves laundry on-demand in Jakarta. The problem is the difficulty of monitoring the work performed by employees which can causing some problems such as spend too much times of order pickup process which can result in customer disappointment. Based on this problem, this study will design and build a vehicle tracking application which can installed in various operation systems owned by couriers by utilizing cross-platform technology with portable class library method. The results of this research are the list of functional and non-functional requirements of the application, designs models and explanation of how this is implemented. Then for usability testing of the implementation in building the Vehicle Tracking Application was obtained satisfactory results with an average above the standard that is 83,33.
Pembangunan Aplikasi Augmented Reality untuk Pengenalan Benda di Museum Berbasis Android (Studi Kasus : Museum Blambangan Banyuwangi) Yudha Akbar Pramana; Komang Candra Brata; Adam Hendra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 5 (2018): Mei 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1359.742 KB)

Abstract

Museum of Blambangan is one tourist attraction to add insight and knowledge in which there are objects of cultural heritage inside it. However as time goes by, there will be an ever-decreasing change of interest for students. This is influenced by the advance technology so they think that coming to the museum is boring. So in this thesis project, take the initiative to create an augmented reality application to introduce museum objects so it looks interesting. Because augmented reality is a technology that combines the real world and the virtual world, moreover augmented reality is one of the developing technology and is in great demand today. The development of this application uses a method adapted from the Agile SDLC model, which has 7 phases consisting of literature study, needs analysis, implementation, system testing, system deployment, and conclusions. The functionality testing is performed in accordance with the test cases on each functional requirement. The results of functionality testing show that the functional requirements have been met by the system. The result of usability testing by giving questionnaires of System Usability Scale (SUS) to the respondents of museum visitors and museum staf, obtaining visitor satisfaction result gets 86%. From these values can be concluded that this application can help the introduction of museum objects. Compatibility testing indicates that the work validity of these features can be well executed.
Analisis User Experience Aplikasi Mobile Facebook (Studi Kasus pada Mahasiswa Universitas Brawijaya) Rio Donaroe Munthe; Komang Candra Brata; Lutfi Fanani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 7 (2018): Juli 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

In 2003, Steve Jobs criticized common understanding of user experience design (UXD). Instead of the thought that a design is something we can see and fell, he proposed that design is not just what it looks and feels like, it's how it works. Frank Guo simplified the concept by dividing into four elements: value, adoptability, desirability, & usability (VADU). The UX concept is adopted by various social media platforms, including Facebook. The Facebook mobile app has repeatedly changed to improve the user experience. This study identified the UX concept on Facebook. It can be an example for developers who want to develop similar applications. Questions for respondents are arranged based on 4 fundamental variables UX (VADU) in Likert Scale. The research method used is the validity & reliability test. The questionnaire results are elaborated by descriptive analysis based on UX variables. In the end, to know the most important element of UX is used "YES & NO" method. Based on the results, the features are important to increase the value. In adoptability, the ease to access is a concern. An attractive visual design is the main indicator in the desirability. And, the easy-to-learn is the key thing for the usability.
Pengembangan Aplikasi Pembelajaran Bahasa Isyarat Berbasis Android Tablet Maharoni Hendra Pradikja; Herman Tolle; Komang Candra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 8 (2018): Agustus 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1234.333 KB)

Abstract

Sign language is used in the daily lives of people with hearing and speech impaired. One of the difficulties is how the deaf can inform the sign language used and can be understood by people who can hear so deaf people can communicate, interact, socialize, make friends, and dialogue occurs in everyday social. Applications "PemBais" designed to help reduce the difficulties faced by the deaf and mute. Applications "PemBais" This provides a method of learning Indonesian Sign Language for the deaf and speech impaired quickly and practical for using the means of Android-based applications on smartphone devices. Applications Functional testing has been done with each of the test cases have been tested and properly, with the result declared all valid. Usability testing is obtained from a very satisfactory result for analysis of the application "PemBais" to achieve an average score of 87,18%.
Sistem Pakar Diagnosis Penyakit Hati Menggunakan Metode Fuzzy Tsukamoto Berbasis Android Achmad Igaz Falatehan; Nurul Hidayat; Komang Candra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 8 (2018): Agustus 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1175.462 KB)

Abstract

The liver is a vital organ in humans. Because the vital liver function, the liver health needs to be maintained. However, in Indonesia alone, especially Hepatitis liver disease based on survey from the health ministry actually has doubled from 2007 to 2013. In 2013, it is estimated that there are 1.2% of Indonesians who suffer from Hepatitis. Based on WHO survey It is estimated 95% of people with early symptoms of Hepatitis do not know that they are at risk of Hepatitis. The mentioned problems can be solved by recognizing the common symptoms of liver disease. The problem of recognizing the symptoms of liver disease can be solved by using an expert system. Expert systems apply knowledge of symptoms liver disease into the system. The Fuzzy Tsukamoto method is one of the methods that can be used to process the input value of symptoms into a disease diagnosis. In this research will use Fuzzy Tsukamoto method to diagnose liver disease based on input value of the symptoms that produce output of detected yes or not a liver disease. Based on the results of tests that have been done in this study resulted in accuracy testing of 64 test data 96,87%.
Analisis Pengalaman Pengguna Permainan Multiplayer Online Battle Arena (Moba) Dengan Menggunakan Game Experience Questionnaire (GEQ) Pada Game Dota 2 Rachmad Soleh; Retno Indah Rokhmawati; Komang Candra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1175.99 KB)

Abstract

Multiplayer online battle arena (MOBA) is a genre of strategy video game, each player controls one "hero" on one team. MOBA provides a strong competitive atmosphere thereby providing a different experience to each of its users. DotA 2 is one of the most famous MOBA games. The user experience is very important for the success of a game. Playtesting method used to analyze the user experience of DotA 2 by using Game Experience Questionnaire (GEQ) as instrument to 25 respondents who have never played the game. The result of GEQ Core Module shows competance and negative effect significantly lower than median which proves that new users have no good ability and not feel the negative effects while playing DotA 2. In the GEQ Social Presence Module shows the highest average score obtained negative feelings that proves new users felt strongly negative feelings when playing with other players. While in the GEQ Post Game Module showed new users felt positive experience and not felt the negative experience, they felt tired and found it a bit hard to return to the real world after playing DotA 2.
Co-Authors Abdul Ghoniy Nur Chasana Abdurrahman Diewa Prakarsa Abyan Setia Asa Putra Achmad Arif Kusamiaji Achmad Arwan Achmad Igaz Falatehan Adam Hendra Brata Ade Armawi Paypas Adena Nioga Admaja Dwi Herlambang Agi Putra Kharisma Agus Purnomo Ruminto Ahmad Afif Supianto Ahmad Afif Supianto Ahmad Afif Supianto Ahmad Wahid Rifa'i Ahmad Wildan Rizaldy Ahmadan Mukhtarif Akbar, Muhammad Aminul Akhmad Rizqi Azhari Albilaga Linggra Pradana Alfin Hidayat Darmawan Alfonsus Avianto Chandrawan Alif Andarta Al Falah Amir Saqib Azhardika Amira Fauzia Rahmah Andri Suranta Ginting Angel Anggina Nasution Annisa Novy Kholiyanti Arka Fadila Yasa Arya Yudha Mahendra Aryo Pinandito Azka Muhammad Hanisa Bayu Reza Gunawan Buce Trias Hanggara Candra , Ersya Nadia Charles Sanggalangi Chavindro Bunga Mardiasto Danang Trisdiana Putra Denny Sagita Rusdianto Deron Liang Dewi, Ratih Kartika Dicky Wahyudi Dinda Hudaifa Djoko Pramono Dwi Yovan Harjananto Eka Iqbal Virgiawan Ekklesioga Kaban Eko Prasetyo Lukman Nur Hakim Erastus Mauliate Erika Ramadhanty Eriq Muh. Adams Jonemaro Fadhil Rizqullah Saniputra Fadhyl Farhan Alghifari Fadhyl Farhan Alghifari Fais Al Huda Faishal Pradipta Astungkoro Faizatul Amalia Fajar Pradana Fara Nur Azizah Fatimah Azzahra Fatkhur Rosyad Fatur Rahnat Ariyan Fatwa Ramdani, Fatwa Felinda Gracia Lubis Ferlie Deanada Effendi Fiaji, Noveria Anggraeni Fiqih Yanfirdaus Afandi Fitrantika Diashafira Fitriyah, Hurriyatul Gema Isya Luthfi Prathama Ghifari Galih Ramadhan Ghozi Akbar Wicaksono Ginanjar Wisnu Ifan Agusti Giri Nugroho Hafidz Aulia Setijadi Hafiz Maulana Hanifah Muslimah Az-Zahra Hanifah Muslimah Az-Zahra, Hanifah Muslimah Harun Christian Bentro Hendrikus Dimas Samara Herman Tolle Hernawan, Zildan Isrezkinurahman Heru Putra Hilman Hamdani Hilyah Nadhirah Ifan A., Ginanjar Wisnu Ignatius Daniel Y.T.A. Ginting Ilham Rachmad Zunaidi Ilmam Achmadiarsyi Imam Safi'i Ingke Ryastratika Milenia Efendi Iqbal Setya Nurfimansyah Ishak Robin Simorangkir Ismail Rabbanii Ismiarta Aknuranda Januari Arka Jemal Rashidi Jeriko Hosea Julanto Jimmy Sohaga Dachi Joang Pratama Achmad Jodie Rizky Hidayat Joel Johanes Cirio Joshua Dika Khoirul Abdul Jamil Kusworo, Muhammad Aziz Linda Shintya Sari Lutfi Fanani Lutfi Fanani Lutfi Fanani M Faizal Putra Pradana M. Ali Fauzi M. Isrofil Dwi Khusnanta M. Syafiul Umam Mahardeka Tri Ananta Mahardeka Tri Ananta, Mahardeka Tri Maharoni Hendra Pradikja Mahendra, Arya Yudha Meita Putri Aidha Mochamad Ilham Irwinansyah Mohamad Handy Nugraha Mohamad Handy Nugraha Mohammad Haikal Hasnain Mohammad Syaifudin Abdullah Muhamad Nabil Rabani Muhammad Abdul 'Alim Muhammad Abyan Safitra Muhammad Afif Fauzi Muhammad Aminul Akbar Muhammad Avied Bachmid Muhammad Enowato Muhammad Hasan Johan Alfarizi Muhammad Ilham Wibowo Muhammad Jauhari Jawara Perkasa Muhammad Lamkhil Bashor Muhammad Lavy Aunil Malik El Harisy Muhammad Naufal Dzikrullah Muhammad Rafsan Adhizar Muhammad Rizqi Rakha Aulia Muhammad Rizqinovniari Muhammad Salman Ramadhan Muhammad Satya Nugraha Muhammad Zaharuddin Mukhammad Sharif Hidayatulloh Mukhammad Sharif Hidayatulloh Nabila Nabila Nabila Nabila Nabila, Nabila Nike Wirahayu Cahyaningsih Niken Hendrakusma Wardani Novrian, Irhamsyah Reva Nugraha, Irvan Rizki Nurizal Dwi Priandani Nurul Hidayat Nyoman Putra Utama Pangayoman, Wishnuadji Surya Prabowo, Muhammad Bintang Prima Zulvarina, Prima Priska Suseta Prita Nur Rizky Faridiani Putra, Ananda Ilyasa Rachmad Soleh Rafiqah Majidah Rahman Rulli Arjiansa Ramadhan, Rigel Vibi Ramadhani Imam Khoiri Randy Indraswara Raras Kirana Amaranggana Rasyid Asis Perdana Ratih Kartika Dewi Retno Indah Rokhmawati Revianda Amrullah Akbar Riekko Rahmat Rahardian Rio Donaroe Munthe Riswan Septriayadi Sianturi Riza Setiawan Robertus Dwi Ari Utomo Robihamanto Robihamanto Rr. Tasia Haniifah Rihadatul Aisy Ryan Sutawijaya Sabil Prihastomo Seputro Sabilatunnajah Sabilatunnajah Safier Yusuf Santi Yunika Sufiana Satrio Hadi Wijoyo Sigit Widodo Silalahi, Reinhard Jonathan Stefanus Anugrah Pribadi Sufiana, Santi Yunika Surbakti, Osvaldo Rios Junior Swastika Akbar Umardani Syahshiyah Rohidah Tegar Yoga Prabawakusuma Tri Afirianto Tri Afirianto, Tri Utomo, Ibnu Najah Barlian Hadi Wahyu Septiadi Wanda Septia Dewi Lestari Welly Dian Astika Wornandes Michel Sinaga Yudha Akbar Pramana Zhafrant, Rifqi Hilmy