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Tinjauan Literatur: Pemanfaatan Teknologi Augmented Reality sebagai Media Pembelajaran Interaktif Di Tingkat Sekolah Dasar Rinaldi, Rizky; Fahmi, Khairul; Masyitah, Masyitah
Jurnal Likhitaprajna Vol 26 No 1 (2024): April 2024
Publisher : FKIP Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/likhitaprajna.v26i1.279

Abstract

This research is a literature review of a series of previous research journals that discuss the utilization of Augmented Reality technology as an interactive learning media at the elementary school level. This research includes an analysis of the models used, an evaluation of the advantages and disadvantages of each model, and an in-depth discussion of the implications and significance of the models that have been reviewed. Based on the literature review conducted on a series of research journals on the utilization of Augmented Reality (AR) technology as an interactive learning media at the elementary school level, several significant conclusions can be drawn. First, the use of AR technology in the context of elementary school learning has been proven effective in improving the learning process by making it more interesting, interactive, and easy to understand for students. However, the implementation of AR technology in learning still faces several challenges, such as limited facilities and teacher readiness in adopting the technology.
Performance Comparison of Two Portable Near-infrared Devices for Rapid Authentication of Aceh Aromatic Rice ‘Sigupai’ Widodo, Slamet; Masyitah, Masyitah; Purwanto, Yohanes Aris; Njume, Akeme Cyril
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 13 No. 3 (2024): September 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i3.851-862

Abstract

Sigupai rice, Indonesia local aromatic rice varieties grown in South-West region of Aceh, is highly valued for its fragrance and quality, making it susceptible to adulteration. This study compares the performance of two portable Near-infrared (NIR) devices, SCiO and NeoSpectra, for rapid authentication of Sigupai rice. We evaluated 86 samples for qualitative analysis (i.e. authentic vs adulterated rice) and 44 samples for quantitative analysis (i.e. the level of adulteration). For the qualitative analysis using partial least squares-discriminant analysis (PLS-DA), the best estimation model could differentiate authentic and adulterated samples with an accuracy, sensitivity, specificity, and false positive rates of 89.29%, 92.86%, 85.71% and 14.29% for the NeoSpectra and 97.44%, 100%, 94.87%, and 5.13% for the SCiO, respectively at the validation stage. For quantitative analysis using partial least squares-regression (PLS-R), the best estimation model could estimate the level of adulteration with a coefficient of determination (R²), RMSEP, RPD, and consistency values of 0.92, 1.50%, 5.93 and 100.69% for the NeoSpectra and 0.96, 1.31%, 6.83 and 104.78% for the SCiO. Both portable NIR devices could be used as a rapid analysis tool for the authenticity of Sigupai rice with high accuracy. However, in this study the SCiO device showed a better performance. Keywords: Portable NIR device, Authentication, Aromatic rice, Rapid analysis, Sigupai variety.