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All Journal Jurnal Ilmu Komputer dan Informasi Simpatik: Jurnal sistem Informasi dan Informatika
Ahmad Mustofa Hadi Ahmad Mustofa Hadi
Department Of Informatics Engineering, Faculty Of Information Technology, Institut Teknologi Sepuluh Nopember Surabaya Keputih, Sukolilo, Surabaya 60111, East Java, Indonesia
Computer Science & IT Library & Information Science

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PARAMETER SIGMOID TRANSFORM CONTRAST ENHANCEMENT FOR DENTAL RADIOGRAPH CLASSIFICATION AND NUMBERING SYSTEM Andi Baso Kaswar; Saprina Mamase; Saiful Bahri Musa; Ahmad Mustofa Hadi; Anny Yuniarti; Agus Zainal Arifin
Jurnal Ilmu Komputer dan Informasi Vol 8, No 2 (2015): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (609.272 KB) | DOI: 10.21609/jiki.v8i2.303

Abstract

Dental record is a method that is used to identify a person. The identification process needs a system that could recognize each individual tooth automatically. The similar intensity level between the teeth and the gums is one of the main problem in tooth identification in a dental radiograph. The intensity problem could influence the segmentation process of the system. In this paper, we proposed a new contrast enhancement by using parameter sigmoid transform to increase the segmentation accuracy. There are five main steps in this method. The first step is to fix the contrast of the image with the proposed method. The next steps are to segment the teeth using horizontal and vertical integral projection, feature extraction, and classification using Support Vector Machine (SVM). The last step is teeth numbering. The experiment result using the proposed method have an accuracy rate of 88% for classification and 73% for teeth numbering.
Pengembangan Aplikasi Cerita Rakyat Daerah Berbasis Mobile TriPanca Romadhoni, Ahmad Mustofa Hadi; Niratha, I Gede Ardhy; Abdurrafi, Muhammad; Ramadhan, Taufiqur; Said, Danish Adli El; Arini, Florentina Yuni
Simpatik: Jurnal Sistem Informasi dan Informatika Vol. 5 No. 2 (2025): Desember 2025
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/simpatik.v5i2.11227

Abstract

Preserving local culture faces challenges in the era of globalization and digitalization, especially for the younger generation who are more familiar with foreign popular culture. Folklore, as an intangible cultural heritage rich in moral values ​​and cultural identity, is increasingly marginalized due to the lack of attractive media. This study develops TriPanca an interactive mobile application based on folklore with a User-Centered Design (UCD) approach to meet the needs of the younger generation. The development process includes user needs analysis, prototype design, and iterative evaluation. This application is equipped with story list, search, favorites, and user profile features. Testing shows that UCD is effective in increasing user interest, making this application an interactive educational tool as well as a medium for preserving local culture in the digital era.
Co-Authors Abdurrafi, Muhammad Agus Zainal Arifin Andi Baso Kaswar Andi Baso Kaswar Anny Yuniarti Florentina Yuni Arini Niratha, I Gede Ardhy Ramadhan, Taufiqur Said, Danish Adli El Saiful Bahri Musa Saprina Mamase