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All Journal JSM (Jurnal SIFO Mikroskil) Garak Jo Garik : Jurnal Pengkajian dan Penciptaan Seni Journal of Educational Research and Evaluation Lumbung: Jurnal Ilmiah Politeknik Pertanian Negeri Payakumbuh Jurnal Performa Olahraga Jurnal Menssana Jurnal Berkarya Pengabdian Masyarakat Jurnal Humanities Pengabdian Kepada Masyarakat Jurnal Guru Peneliti Profesional Jurnal Hortuscoler
Jonni Jonni
Fakultas Ilmu Keolahragaan, Universitas Negeri Padang
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Public Health Social Sciences Other

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Aplikasi Teknik Adaptive Digital Image Watermarking Untuk Proteksi Hak Cipta Citra Digital Syanti Irviantina; Sunario Megawan; Jonni Jonni
Jurnal SIFO Mikroskil Vol 16, No 1 (2015): JSM Volume 16 Nomor 1 Tahun 2015
Publisher : Fakultas Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (719.754 KB) | DOI: 10.55601/jsm.v16i1.182

Abstract

Seiring dengan semakin meluasnya jaringan multimedia, maka proses pengiriman dan pengaksesan dari data digital juga semakin mudah. Dengan adanya kemudahan ini menyebabkan mudahnya duplikasi data yang berimbas pada pemalsuan dan plagiat terhadap data digital. Hal ini menyebabkan penyalahgunaan dan pelanggaran hak cipta. Dalam mengatasi hal ini, telah banyak dikembangkan metode-metode yang digunakan untuk melindungi karya-karya cipta digital. Salah satunya adalah dengan menggunakan teknik watermarking. Watermarking yang menggunakan teknik thresholding pada digital watermarking memiliki problema dimana harus dipilih sebuah nilai threshold yang cocok. Proses pemilihan nilai threshold yang cocok ini relatif susah. Dengan menggunakan metode Adaptive Digital Image Watermarking, citra yang disisipkan tidak akan dapat dideteksi secara kasat mata dan tidak membutuhkan penentuan nilai threshold. Pada pengujian yang dilakukan terhadap citra watermark, citra yang disisipkan masih dapat diekstrak walaupun dilakukan perubahan contrast dan brightness ataupun kompresi pada kualitas minimal 60%.
Cricket Batting Test Robotic-Based Equipment Using Sensor Cameras with Grid System Padli; Yogi Setiawan; Vega Soniawan; Romi Mardela; Jonni
Journal of Education Reseach and Evaluation Vol 6 No 4 (2022): November
Publisher : LPPM Undiksha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jere.v6i4.53251

Abstract

Technology development in the 5.0 era has been rapid, including in education and sports. One example of technology in sports education is a sports skills test kit. This study aims to develop and test the cricket batting test robotic-based equipment using sensor cameras with the grid system. The experiment was carried out by measuring student responses regarding using a robotic-based batting test tool using a camera sensor with a grid system. This student response is useful for knowing the extent of student responses and reactions to the products used so that they can be used as reflection material and references in designing products. The research method used in this study is Research and Development. The instrument used in this study is a test instrument in the form of an observation sheet. Product validation is divided into two, media validation and learning evaluation. The final assessment results are 160 and 162, indicating that the product is very suitable for use. They are synchronized by looking for whether there is an effect of student responses on student abilities. The results show 53,4% of the effect of students' positive responses on the object's ability. Based on the study's results, it was stated that the development of the tool was feasible to use and validated by media transfer and evaluation experts. In addition, this research is also developing research inspired by previous research. Further research is needed on implementing modified tools to see the effectiveness of training using an Android-based cricket batting test tool using a sensor camera with a grid system.
Co-Authors Ali Asmi Argantos Argantos Erizal N Hasriwandi Nur Hilmainur Syampurma Ibnu Andli Marta kibadra Kibadra Lucy Pratama Putri Madri M Mardiansyah Mardiansyah, Mardiansyah Nirwandi Nirwandi Oktarifaldi, Oktarifaldi Padli Padli Rasdanelwati, Rasdanelwati Romi Mardela Saputri, Mega Soniawan, Vega Sunario Megawan Syafaruddin Syafaruddin Syahrial Bakhtiar Syanti Irviantina Willadi Rasyid Yaslindo, Yaslindo Yogi Setiawan Yulifri