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Yeni Kustiyahningsih
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Informatics Department, Engineering Faculty University of Trunojoyo Madura Jl. Raya Telang - Kamal, Bangkalan 69162, Indonesia Tel: 031-3012391, Fax: 031-3012391
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Jurnal Ilmiah Kursor
Published by Universitas Trunojoyo Madura
ISSN : 02160544     EISSN : 23016914     DOI : https://doi.org/10.21107/kursor
Core Subject : Science,
Computer Science & IT Decision Sciences, Operations Research & Management
Jurnal Ilmiah Kursor is published in January 2005 and has been accreditated by the Directorate General of Higher Education in 2010, 2014, 2019, and until now. Jurnal Ilmiah Kursor seeks to publish original scholarly articles related (but are not limited) to: Computer Science. Computational Intelligence. Information Science. Knowledge Management. Software Engineering. Publisher: Informatics Department, Engineering Faculty, University of Trunojoyo Madura
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 6 No 4 (2012)" : 5 Documents clear
POINT CORRESPONDENCE CORRECTION BASED ON SURFACE CURVATURE FEATURES Eko Mulyanto Yuniarno; Mochamad Hariadi; Mauridhi Hery Purnomo
Jurnal Ilmiah Kursor Vol 6 No 4 (2012)
Publisher : Universitas Trunojoyo Madura

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Abstract

3D computer model of a real object has been widely used in various applications such as motion capture, computer vision and computer graphics. To build a 3D computer model, multiview data point cloud of real object from different view point that obtained from a 3D scanner must be registered to placing the multiview data point cloud into a common coordinate system. Correspondence to find pair point matching is an important step in registration. False correspondence will affected to the registration quality.A novel technique of point correspondence correction between two point clouds is presented in this paper. The correspondence technique is started by selecting pair point matching candidate base on two reference point constraint then followed by correspondence correction using surface curvature feature. We tested the technique by applying thecorrespondence correction technique into three registration algorithm registration which is ICP, ICP-AIF and ICP-SCF then compare it with the original registration algorithm The result shows that registration algorithm using correspondence correction 63% faster, 23% more accurate and to find 530% more correct pair matching point than the original registration algorithm.
AUGMENTED REALITY ON ANDROID OPERATING SYSTEM- BASED DEVICE;CASE STUDY: MOSQUE FINDER Ary Mazharuddin S; Diaz Hendrianto
Jurnal Ilmiah Kursor Vol 6 No 4 (2012)
Publisher : Universitas Trunojoyo Madura

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Abstract

Augmented Reality (AR) has become one of research trends in the utilization of virtual object modeling. AR works by modeling objects that exist in the real world into a vitual world by using input devices. The input devices can be a camera, sensor, or even GPS. AR can work in real time fashion to show the movement of a real object by using a form of model shown at monitor screen.This research developed an Augmented Reality for locating a mosque. Augmented Reality (AR) is a technology that combines two-dimensional virtual object into a three-dimensional environment then displays the virtual objects in real-time fashion. To implement the AR concept, this application uses integrated sensors such as accelerometer, compass and Global Positioning System (GPS). The location of mosques are downloaded from a dedicated server and stored in asmartphone. In order to anticipate should there is an update of data at the database; this application is also equipped with synchronization feature using a web service with XML technology. Experiment results show that the mosques location searching can be performed smoothly with the augmented reality technique. The details of the location of the mosque can be accurately displayed at the handled device. Augmented Reality (AR) has become one of research trends in the utilization of virtual object modeling. AR works by modeling objects that exist in the real world into a vitual world by using input devices. The input devices can be a camera, sensor, or even GPS. AR can work in real time fashion to show the movement of a real object by using a form of model shown at monitor screen.This research developed an Augmented Reality for locating a mosque. Augmented Reality (AR) is a technology that combines two-dimensional virtual object into a three-dimensional environment then displays the virtual objects in real-time fashion. To implement the AR concept, this application uses integrated sensors such as accelerometer, compass and Global Positioning System (GPS). The location of mosques are downloaded from a dedicated server and stored in asmartphone. In order to anticipate should there is an update of data at the database; this application is also equipped with synchronization feature using a web service with XML technology. Experiment results show that the mosques location searching can be performed smoothly with the augmented reality technique. The details of the location of the mosque can be accurately displayed at the handled device.
REAL TIME ESTIMATION AND MONITORING OF POWER IN HOMOGENEOUS SERVER CLUSTER USING MULTIPLE LINEAR REGRESSION Supeno Djanali; Hudan Studiawan
Jurnal Ilmiah Kursor Vol 6 No 4 (2012)
Publisher : Universitas Trunojoyo Madura

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Abstract

Estimasi daya merupakan salah satu bagian yang sangat penting dari optimasi daya di lingkungan klaster homogen. Sebelum daya dioptimalkan, terlebih dulu harus dihitung daya yang dikonsumsi oleh server. Beberapa studi telah dilakukan untuk memperkirakan daya yang dikonsumsi oleh seluruh anggota pada klaster. Namun, banyak dari studi tersebut yang masih menggunakan metode rumit dan perangkat keras yang mahal sehingga sulit untuk diterapkan di lingkungan klaster yang nyata. Dalam makalah ini, diusulkan metode estimasi daya yang lebih murah, sederhana, dan real time di klaster web server. Perhitungan yang lebih akurat dilakukan dengan menggunakan regresi linier berganda. Parameter yang digunakan adalah penggunaan prosesor, memori, dan antarmuka jaringan. Pemantauan secara terpadu dan real time dapat dicapai dengan menggunakan program daemon sederhana dan teknik pemrograman socket. Percobaan yang dilakukan pada klaster terdiri dari empat web server dan dua load balancer menunjukkan bahwa metode estimasi daya yang diusulkan mencapai akurasi 91,87% dan pemantauan daya berjalan dengan baik secara real time. Kata kunci: EstimasiDaya, KlasterHomogen, Regresi Linier Berganda, Web Server. Abstract Power estimation is very important subtask of power optimization in homogeneous cluster environment. Before optimizing power, we must first calculate power consumed by a server. Several studies have been conducted to estimate power consumed by all members in the cluster. However, they still use a complicated method and expensive hardware such that difficult to implement in real cluster environment. In this paper, we propose cheaper, simpler, and real time power estimation methods on cluster of web server. More accurate calculation is conducted by using multiple linear regression. Parameters considered are utilization of processor, memory, and network interface. Real time and integrated monitoring can be achieved by employing simple daemon and socket programming technique. Experiments are performed in the cluster consisting of four web servers and two load balancers demonstrates that the proposed power estimation method achieves an accuracy of 91.87% and power monitoring run well in real time fashion.
SOLAR STORM TYPE CLASSIFICATION USING PROBABILISTIC NEURAL NETWORK COMPARED WITH THE SELF-ORGANIZING MAP Gregorius S. Budhi; Rudy Adipranata; Bambang Setiahadi; Adrian H. N
Jurnal Ilmiah Kursor Vol 6 No 4 (2012)
Publisher : Universitas Trunojoyo Madura

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Abstract

Salah satu tugas LAPAN adalah melakukan pengamatan dan peramalan gangguan badai matahari. Gangguan ini dapat mempengaruhi medan elektromagnet bumi sehingga mengacaukan peralatan elektronik dan navigasi yang ada di bumi. Hal ini akan dapat membahayakan kehidupan manusia bila tidak diantisipasi dengan benar. LAPAN menginginkan adanya aplikasi komputer yang secara otomatis dapat mengklasifikasi tipe badai matahari, yang menjadi bagian dari sistem early warning yang akan dibuat. Oleh sebab itu kami dari Universitas Kristen Petra program studi Teknik Informatika dan Lembaga Penerbangan dan Antariksa Nasional melakukan penelitian bersama tentang klasifikasi badai matahari. Klasifikasi dilakukan terhadap citra digital badai matahari / kelompok bintik matahari ini berbasis pada sistem klasifikasi ”Modified - Zurich Sunspot Classification” yang banyak digunakan. Metode klasifikasi yang kami gunakan disini adalah Jaringan Saraf Tiruan Probabilistik. Hasil dari pengujian cukup menjanjikan karena memiliki akurasi sebesar 94% untuk data testing. Akurasi ini lebih baik dari akurasi aplikasi serupa yang dibangun dengan kombinasi metode Self-Organizing Map dan K-Nearest Neighbor. Kata kunci: Klasifikasi Tipe Badai Matahari, Sistem Klasifikasi Modified - Zurich Sunspot Classification, Jaringan Syaraf Tiruan Probabilistik. Abstract One of the task of the LAPAN is making obsevation and forecasting of solar storms disturbance. This disturbances can affect the earth's electromagnetic field that disrupt the electronic and navigational equipment on earth. It would be dangerous to human life if not properly anticipated. LAPAN wanted a computer application that can automatically classify the type of solar storms, which became part of early warning systems to be created. Therefore we from Petra Christian University Informatics Engineering Department and the Indonesian National Aeronautics and Space Agency conduct joint research on the classification of solar storms. The classification of the digital images of solar storm / sunspot groups is based on “Modified - Zurich Sunspot Classification System” which is widely used. Classification method that we use here is the Probabilistic Neural Networks. The result of testing is promising because it has an accuracy of 94% for testing data. The accuracy is better than the accuracy of similar applications we've built with a combination of methods Self-Organizing Map and KNearest Neighbor.
A HEURISTIC TEST TO UNDERSTAND USER MENTAL MODEL OF A FLIGHT SCHEDULE SEARCH FORM Paulus Insap Santosa; Rianto Rianto
Jurnal Ilmiah Kursor Vol 6 No 4 (2012)
Publisher : Universitas Trunojoyo Madura

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Abstract

Situs web yang bagus adalah situs yang sederhana dan berguna bagi penggunanya. Antarmuka merupakan salah satu aspek penting yang menentukan keberhasilan suatu situs web. Makalah ini ini melaporkan hasil sebuah studi untuk mengevaluasi ransangan situs tiket online. Secara khusus, studi ini berfokus pada kombinasi warna dan kebiasaan pengguna. Test kebergunaan dilakukan dengan membandingkan situs web Garasitiket (Form1) aktif dengan rancangan alternatifnya (Form2). Form 1 dan Form2 dirancang secara berbeda dalam hal cara memilih jadwal penerbangan. Metode riset yang digunakan dalam studi ini adalah uji heuristik. Responden, berjumlah 99 orang, berasal dari anggota Garasitiket. Uji sampel-berpasangan (paired-sample test) digunakan untuk menentukan apakah Form1 berbeda dengan Form2. Hasil penelitian menunjukkan bahwa kebiasaan responden mempengaruhi pilihan antarmuka yang digunakan. Ada kecenderungan dari anggota Garasitiket untuk tidak tertarik pada kombinasi warna. Mereka lebih fokus pada hasil pencarian dan kesederhanaan rancangan situs. Analisis statistis menunjukkan bahwa ada perbedaan signifikan antara Form1 dan Form2. Lebih lanjut, responden lebih memilih Form1 dibandingkan dengan Form2. Kata kunci: Model Mental, Kebergunaan, Jadwal Penerbangan, Uji Heuristik. Abstract A great web site should be simple and usable to its users. Interface design is one important aspect that determine the success of certain website. This paper reports the result of a study to evaluate the design of an online ticket website. In particular, the study focuses on color combination, and uses’s habit. Usability test was done by comparing the published Garasitiket Website (Form1) and its alternative (Form2). Form 1 and Form2 were designed differently in term of the way respondents determined their flight schedule. Research method used for this study was heuristic test. Respondents, 99 people, were from members of Garasitiket. Paired-sample test was used to determine whether Form1 differs from Form2. The results indicated that members’ habit influences user interface selection. There was a tendency of Garasitiket members to not interested in color combinations. Rather, they were more focus on the search results and Web design simplicity. Statistical analyses indicated that there was significant difference between Form1 and Form2. Furthermore, Form1 was more preferable.

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