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All Journal Ulul Albab: Jurnal Studi Islam MATICS : Jurnal Ilmu Komputer dan Teknologi Informasi (Journal of Computer Science and Information Technology) Jurnal Teknologi dan Manajemen Informatika OPSI SMATIKA Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Indonesian Journal of Artificial Intelligence and Data Mining JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Riset Informatika JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Mantik ILKOMNIKA: Journal of Computer Science and Applied Informatics Jurnal Mnemonic G-Tech : Jurnal Teknologi Terapan International Journal of Advances in Data and Information Systems Journal of Computer Networks, Architecture and High Performance Computing Jurnal Teknik Informatika (JUTIF) Journal of Applied Data Sciences Jurnal Computer Science and Information Technology (CoSciTech) J-Intech (Journal of Information and Technology) Didaktika Religia Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Journal of Information Technology
Ririen Kusumawati
Universitas Islam Negeri Maulana Malik Ibrahim Malang
Religion Aerospace Engineering Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Social Sciences Other

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Journal : SMATIKA

 1 
Investigation Of Thresholding And Region Merging In Multiple-Choice Answer With 1.3 Mega Pixels Web Camera Ririen Kusumawati, Totok Chamidy ,
SMATIKA Vol 2, No 1 (2012)
Publisher : SMATIKA

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Abstract

Development in the field of image processing had been a lot of inventing new technologies. Applications have been developed are character recognition, fingerprint recognition, face recognition, industrial applications, and answer sheet processing. Answer sheet processing applications using a scanner has been widely applied. However, processing the answer sheets using scanners requires special paper. It has been developed processing the answer sheets using a CCD camera. The CCD optical sensors are categorized as the price is quite expensive compared with CMOS. This research aims to obtain the performance of thresholding and region merging in multiple-choice answer with 1.3 mega pixel web camera.The web camera utilize CMOS optical sensor. Thresholding algorithm is used to convert from black-and-white image into a binary image. Thresholding operation classifies the degree of gray value of each pixel into two classes, black and white. Region merging algorithm is a process to incorporate the region that the distance is less than the threshold. Neighboring areas with the most minimum distance are combined. This process continues until the minimum distance between the neighboring region is greater than the threshold.1.3 mega pixels web camera has a low uniformity and also suffers in low light condition.This limitation can be overcome by adding a tolerance on the thresholding process. The system uses Delphi 7programming languages on Windows XP operating system. This research shows that a web camera with alow level of uniformity and suffers in low light condition can retrieve the image data from answer-sheet formwith a precision rate of 96.96%.
Co-Authors A, Miftahul Hikmah Putri Samudera Aang Subiyakto Abd. Rahman Ahlan Abdurrozzaaq Ashshiddiqi Zuhri Achmad Fahreza Alif Pahlevi Agung Teguh Wibowo Almais Agus Sofiyan Anwar, Agus Sofiyan Ahmad Fahmi Karami Ainul Yaqin Aldian Faizzul Anwar Anwar, Aldian Faizzul Arief, Yunifa Miftachul Asrul Sani Azmi, Agus N Balogun, Naeem A Cahyo Crysdian Dita Aisha Dwi Purbo Yuwono Dwi Yuniarto Eko Agus Moh. Iqbal Erfan Ainul Yakin Fachrul Kurniawan Fathurrahman Fathurrahman Fithriani Matondang, Fithriani Fresy Nugroho Fresy Nugroho Hariyadi, Muhammad Amin Hartawan, Muhammad S Hidayah, Ika Arofatul Hidayah Hidayah, Imalatul Huda, Muhammad Q Ida Ayu Putu Sri Widnyani imamudin Imamudin, M Imamudin, Muhammad Irwan Budi Santoso Kunaefi, Aang Kurniawati Kurniawati Lia Wahyuliningtyas MARIA BINTANG Marudin, Marudin Maulidifa, Renisa Mokhamad Amin Hariyadi Muchammad Mustaqhfiri, Muchammad Muhammad Andryan Muhammad Andryan Wahyu Saputra Muhammad Faisal Muhammad Isa Ansori Muji, Muji Nashrul Hakiem Novardy, Novardy Nur Fitriyah Ayu Tunjung Sari Pahlevi, Achmad Fahreza Alif Prima Astuti Handayani Puspa Miladin Nuraida Safitri A. Silfiyah, Chilmiatus Sri Harini Subarkah, Aan Fuad Sulika Sulika Suryatno, Agung Suseno, Hendra B Syawab, Moh Husnus Totok Chamidy Usman Pagalay Viva Arifin Wahyuliningtyas, Lia Wibowo, Firmansyah Rekso Wiwik Handayani Yuliawan, Audi Bayu Yuniar Setyo Marandy Yunifa Miftachul Arif Yunifa Mittachul Arif Yusril Haza Mahendra Zainal Abidin Zainal Abidin Zuhri, Abdurrozaq Ashshiddiqi Zuhri, Abdurrozzaaq Ashshiddiqi