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All Journal Joined Journal (Journal of Informatics Education Advance Sustainable Science, Engineering and Technology (ASSET)
Dwi Yanto
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Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Other

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Perbandingan Segmentasi Menggunakan Greenplate dan Discrete Cosine Transform Pada Obyek Berbasis Greenscreen Heri Susanto; Jamal Jamal; Dwi Yanto
Joined Journal (Journal of Informatics Education) Vol 1 No 2 (2018): Volume 1 Nomor 2
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (465.895 KB) | DOI: 10.31331/joined.v1i2.747

Abstract

Segmentasi citra merupakan salah satu topik penting dalam bidang pengolahan citra digital yang dapat ditemukan dalam perbagai bidang riset citra. Masing-masing jenis citra memiliki pendekatan berbeda dalam penerapan proses segmentasi. Banyak metode yang dapat digunakan untuk proses segmentasi, misalnya dengan menggunakan threshold, pendeteksian tepi, transformasi watershed ataupun metode yang lain. Dalam penelitian ini membandingkan metode segementasi menggunakan Discrete Cosine Transform (DCT) dan Greenplate. Pengukuran menggunakan perbandingan nilai MSE (Mean Square Error) pada kedua metode terhadap citra asli. Hasil penelitian menunjukkan penurunan MSE dengan menggunakan metode Discrete Cosine Transformasi (DCT) ini. Kesimpulan dengan menggunakan Discrete Cosine Transform dapat memperbaiki segmentasi obyek berbasis Greenscreen.
Engineering Assessment of Earthquake Resistant Building Code Based on Seismic Load Responses Dwi Yanto; Tavio; Jusuf, Andrew Hartanto
Advance Sustainable Science Engineering and Technology Vol. 8 No. 1 (2026): November - January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i1.2400

Abstract

Earthquake-resistant building design is fundamentally aimed at safeguarding life safety while controlling structural damage and preserving post-earthquake functionality under uncertain seismic actions. Although contemporary seismic codes provide detailed procedures for estimating earthquake-induced loads, differences in seismic hazard representation, force distribution rules, and deformation assumptions can lead to considerable variation in predicted structural response. This study presents a comprehensive engineering assessment of earthquake-resistant building codes based on seismic load responses in reinforced concrete moment-resisting frame structures. An integrated analytical framework combining elastic seismic analysis and nonlinear static performance evaluation is adopted to examine global force demand, displacement behavior, stiffness degradation, and post-yield response. Particular attention is given to the interaction between force-based seismic demand indicators, such as base shear and story forces, and deformation-based performance measures, including interstory drift and performance point characteristics. By systematically evaluating structural response across elastic and inelastic stages, the study demonstrates that reliance on elastic force demand alone is insufficient for capturing true seismic performance. The results emphasize the importance of performance-oriented assessment in enhancing the reliability, consistency, and resilience of earthquake-resistant building design.
Co-Authors Heri Susanto Jamal Jamal Jusuf, Andrew Hartanto Tavio