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INDONESIA
Jurnal Sistem Komputer
Published by Universitas Diponegoro
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
Arjuna Subject : -
Articles 102 Documents
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Gujarati Handwritten Numeral Optical Character through Neural Network and Skeletonization kamal, moro; FAKIR, Mohammed; EL KESSAB, Badr Dine; BOUIKHALENE, Belaid; DAOUI, Cherki
Jurnal Sistem Komputer Vol 3, No 1 (2013)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v3i1.48

Abstract

This paper deals with an optical character recognition (OCR) system for handwritten Gujarati numbers. One may find so much of work for Indian languages like Hindi, Kannada, Tamil, Bangala, Malayalam, Gurumukhi etc, but Gujarati is a language for which hardly any work is traceable especially for handwritten characters. The features of Gujarati digits are abstracted by four different profiles of digits. Skeletonization and binarization are also done for preprocessing of handwritten numerals before their classification. This work has achieved approximately 80,5% of success rate for Gujarati handwritten digit identification.
Implementasi Multithreading Untuk Meningkatkan Kinerja Information Retrieval Dengan Metode GVSM Pardede, Jasman
Jurnal Sistem Komputer Vol 4, No 1 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i1.59

Abstract

GVSM is one of the models of IR systems. GVSM divided into two processes i.e. preprocessing process namely reading the text (*.pdf, *.doc,*.docx), tokenization, filtration, stemming, and parse the query and the process of calculating the relevance of the document that has been done preprocessing with user query to get the value of similarity. In general, to determine of the effectiveness of IR application is determined by two factors, namely recall and precision [7,8,10]. According to Järvelin and Ingwersen, the effectiveness of IR application is not only determined by the recall and precision, but rather the ability of IR applications in helping users to complete the search more effective and efficient. The effectiveness of an IR application is determined by recall, precision, time requirements, and reporting documents are presented to the user [7]. To improve the performance of IR applications in time requirements is implemented multithreading in the preprocessing process, i.e. stage 1 to stage 4 GVSM method. The result showed that the method GVSM able to rediscover relevant documents with 100% the precision value, to get the recall value which is equal to the same documents collection either with or without multithreading, but can save processing time by over 50 %.
Sistem Pendukung Keputusan Pengelompokan Siswa Berdasarkan Gaya Belajar Felder-Silverman Cahyani, Andharini Dwi
Jurnal Sistem Komputer Vol 4, No 1 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i1.61

Abstract

Penerapan teknologi informasi dalam bidang edukasi dewasa ini meningkat pesat. Penerapan TI tersebut tidak hanya dalam penggunaan media pembelajaran berbasis multimedia saja, tetapi juga dalam pelaksanaan pembelajaran berupa e-learning, Dalam perkembangannya, agar proses pembelajaran berjalan dengan efektif, maka diperlukan belajar secara berkelompok. Ide tersebut bukanlah suatu hal baru karena bekerja dalam kelompok memberikan lingkungan untuk belajar secara kolaboratif serta berbagi ide dan pengetahuan. Agar tiap anggota kelompok merasa nyaman, maka siswa dikelompokkan berdasarkan gaya belajar yang dimilikinya. Dari hasil kuesioner gaya belajar siswa, kemudian dilakukan teknik clustering fuzzy c-means untuk membentuk kelompok siswa. Hasil clustering tersebut kemudian dianalisa dengan menggunakan indeks Davis-Bouldin. Dari hasil ujicoba menunjukkan bahwa hasil clustering paling homogen ketika set parameter jumlah cluster = 4 dan jumlah iterasi = 20 kali.
APLIKASI SENSOR LDR (LIGHT DEPENDENT RESISTANT) SEBAGAI PENDETEKSI WARNA BERBASIS MIKROKONTROLER wiryadinata, romi; Lelono, Joko
Jurnal Sistem Komputer Vol 4, No 1 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i1.62

Abstract

Spektrum cahaya merupakan susunan cahaya berwarna yang tampak, setiap warna mempunyai panjang gelombang yang berbeda. Sensor LDR dapat mengetahui perbedan intensitas cahaya tampak berdasarkan perubahan nilai resistansinya. Dengan memenafaatkan rangkaian pembagi tegangan pada LDR dan nilai ADC pada mikrokontroler maka perbedaan warna dapat dikenali. Sensor warna yang dibuat mampu membedakan 6 jenis warna yaitu merah, hijau, biru, kuning, putih, dan hitam. Dari hasil pengujian sensor warna mampu mendeteksi warna dengan baik walaupun diberi sinar gangguan.
Mobile Augmented Reality Jurusan Sistem Komputer Universitas Diponegoro Berbasis Android (MARSISKOM) Teguh Martono, Kurniawan; Kridalukmana, Rinta
Jurnal Sistem Komputer Vol 4, No 1 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i1.64

Abstract

Department of Computer system Diponegoro University , Faculty of Engineering is one of the majors are still young . The department has several areas of specialization for students . Areas of specialization include Software Engineering , Computer Networks , Embedded Systems and Robotics and Multimedia . Majors but it also has some buildings that are used as a laboratory , classroom and centralized administration . To help facilitate students and the general public in recognizing or knowing the location of each of the buildings with the development of computer technology can be facilitated . One technology that can be applied is by using augmented reality technology which is combined with mobile communication devices . This study uses peracangan software system using the waterfall model . This model is a systematic approach and sequence ranging from system level requirements and then headed to the stage of analysis , design , coding , testing / verification , and maintenance . Referred to as step -by-step waterfall that must be passed pending the completion of the previous stage and run sequentially . System testing performed by menggukan black box testing which aims to determine the functionality of the system . System testing that has been done is stated that the system is run in accordance with what is expected . Testing the functionality of the system can be run on mobile devices with android operating system version of the jelly bean .
Soccer Game Optimization: Fundamental Concept Purnomo, Hindriyanto Dwi
Jurnal Sistem Komputer Vol 4, No 1 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i1.63

Abstract

Optimization is important in science, engineering, economic as well as daily problems. The number of optimization methods increase continuously due to the growing optimization problems. In this study, we discussed the fundamental concept of soccer game optimization (SGO), a new algorithm inspired by the soccer player movements. The method consists of two basic movements; the move off and the move forward, to control the diversification and intensification and a player substitution procedure to keep the good solution during the search. The SGO elaborates the competition and the reproduction process in evolutionary algorithm with the powerful information sharing of swarm intelligence algorithm. As a new method, the SGO can be enhanced in many different ways such as elaborating more aspects of the soccer players’ movement as well as implementing the proposed method to solve various optimization problems
Simulasi Aplikasi Posyandu Berdasarkan Konsep RFID (Radio Frequency Identification) Eridani, Dania; Widianto, Eko Didik
Jurnal Sistem Komputer Vol 4, No 2 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i2.65

Abstract

This paper discuss the development of posyandu application to facilitate posyandu officer in handling the administration process based on RFID concept. The main idea is making the health card function as one unique identity like the unique number in RFID and it will contain all user data and activity in posyandu. The data used in this application are mostly for children data like immunization, vitamin distribution, and height and weight measurement. All data used in this application is saved to local database in each computer used by the posyandu officer.
Sistem Informasi Inventarisasi Sarana dan Prasarana Sekolah (STUDI KASUS: Madrasah Tsanawiyah Muhammadiyah Surakarata) Nastiti, Faulinda Ely; Kusumawati, Novi
Jurnal Sistem Komputer Vol 4, No 2 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i2.66

Abstract

Inventory of facilities and infrastructure must be managed well by schools or madrassas. That is because the infrastructure is one element of assessment in school or madrasah accreditation. Therefore, the inventory system infrastructure in schools should be standardized in accordance with the legislation in force. Inventory system infrastructure built on MTs Surakarta in detail in accordance with the standard format using Code Igniter Framework. The results of this study are the Infrastructure Inventory Information System which can be used as a medium for data penginventarisasian school infrastructure that contains, among others, the encoding inventory, data inventory of land, buildings or building a data inventory, data inventory and machinery and equipment
Perancangan Sistem Aplikasi Pemantau Kualitas Air Berbasis Web rahman, arief nur
Jurnal Sistem Komputer Vol 4, No 2 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i2.67

Abstract

Sistem pemantauan kualitas air menjadi kebutuhan yang cukup mendesak. Dalam tulisan ini dipaparkan mengenai perancangan  program aplikasi berbasis web sebagai monitoring sistem kualitas air. Data diperoleh dari sensor yang berada pada stasiun pengukuran yang ditrasnmisikan melalui jaringan nirkabel ke stasiun perantara lalu dikirimkan melalui jaringan GPRS ke server. Dari data yang telah dikirimkan kemudian dipetakan menggunakan google map API secara realtime. Pengguna dapat mengetahui kualitas air secara realtime dengan mengakses web menggunakan browser yang telah tersedia.
Sistem Informasi UPZ (Unit Pengumpul Zakat) Terintegrasi Berbasis Web (Studi Kasus: BAZNAS Kota Tasikmalaya) Gufroni, Acep Irham
Jurnal Sistem Komputer Vol 4, No 2 (2014)
Publisher : Jurnal Sistem Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jsk.v4i2.69

Abstract

Pengelolaan zakat di Indonesia merupakan salah satu hal yang menarik untuk dikaji dalam rangka mengentaskan kemiskinan dan meningkatkan kesejahteraan masyarakat, hal ini dapat dilihat dari potensi zakat nasional  Rp 217 triliun namun baru tergali sekitar 1,5 triliun. Kemudian, apabila melihat potensi zakat di Propinsi Jawa Barat cukup besar bahkan terbesar di Indonesia, yaitu diperkirakan sekitar 17,6 triliun, namun potensi tersebut baru tergali sekitar 14 milyar. Sedangkan potensi zakat Kota Tasikmalaya diperkirakan sekitar 2 triliun, dan baru tergali sekitar 4 milyar. Kemudian hingga kini terdapat 33 Badan Amil Zakat povinsi, sedangkan di tingkat kabupaten mencapai 240 unit. Faktor yang mempengaruhi pengumpulan dana zakat di Indonesia adalah tingkat kepercayaan muzaki terhadap Organisasi Zakat (OPZ) yang dalam penelitian ini berupa Unit Penumpul Zakat (UPZ), pilihan muzaki untuk menyalurkan zakat langsung kepada mustahik secara individu, kurangnya pengetahuan muzaki akan mekanisme zakat, dan kurangnya pengetahuan muzaki akan keberadaan UPZ. Untuk menjawab permasalahan ini, diperlukan sistem informasi yang dapat mengatur proses manajemen yang terjadi dalam pengelolaan zakat berbasis UPZ, khususnya UPZ berbasis masjid, dikarenakan masjid sebagai basis kegiatan keagamaan di masyarakat. Metode yang digunakan adalah analisis ke lokasi UPZ langsung dan perancangan antarmuka, aturan-aturan, dan purwarupa (prototype) yang dibuat. Dari penelitian ini dihasilkan Sistem Informasi BAZNAS Kota Tasikmalaya, dan Sistem Informasi UPZ di Kota tasikmalaya yang terintegrasi menggunakan teknologi web.

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