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Lobe Software's Accuracy in Analyzing Human Facial Expressions: Accuracy of Using Lobe Software in Analyzing Human Facial Expressions Hamzarudin Hikmatiar; Adi Jufriansah; Jayadin
Engineering Science Letter Vol. 2 No. 01 (2023): Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/esl.v2i01.288

The face constitutes a research subject for analyzing human facial expressions, as it can provide insights into an individual's emotions. Facial expressions are identified through changes in key facial features such as the eyes, eyebrows, mouth, and forehead. The field of education has witnessed rapid technological advancements, especially in light of the pandemic. Consequently, the need for the development of technology has become increasingly pressing. This study aims to evaluate the accuracy of Lobe software in analyzing human facial expressions. The sample population for this research comprised students from IKIP Muhammadiyah Maumere, Indonesia, with a sample size of 19 selected using a simple random sampling method. The results of the analysis showed that the accuracy of the software was pretty good, with a score of 90% for each category of neutral, sad, happy, and angry faces. The questionnaire data analysis yielded a score of 84%, which is only 6% lower than the score achieved through the students' self-reporting, implying an error rate of less than 10% if validated.

IDENTIFIKASI PENGOLAHAN SAMPAH ORGANIK DAN NON ORGANIK DI PASAR ALOK KABUPATEN SIKKA Yhadin, Jayadin; Gunidar, Laila; Putri, Sindi; Windasari, Windasari
JUSTI (Jurnal Sistem dan Teknik Industri) Vol 5 No 1 (2024): justi
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/justicb.v5i1.8808

Sampah adalah permasalahan yang sering dihadapi oleh masyarakat terutama di negara indonesia berkembang seperti indonesia yang belum membangun sistem pengolahan limbah yang terdapat pada pasar tradisional. Permasalahan lingkungan dan kesehatan pada pasar menjadi bahaya tersembunyi bagi kondisi masyarakat yang ada dipasar, tata kelola persampahan yang ada dipasar tradisional dilakukan dengan cara membuah sampah pada tempat sampah terdekat untuk diangkut secara masal ke TPA (Tempat Pembuangan Akhir). Limbah sampah yang dihasilkan yaitu sampah organik terdiri dari sayur sawi, kangkung, kol, bayam, tomat, pisang, pepaya, kentang dan ubi kayu yang dimana sampah tersbut sangat berbahaya bagi lingkungan jika dibiarkan saja dan tidak diolah, kemudian terdapat sampah anorganik yaitu Kemasan Plastik, Sedotan plastik yang dimana sampah Plastik adalah bahan yang tidak dapat terurai secara hayati. Plastik mencemari udara, tanah, dan air karena mengandung bahan kimia beracun. Potongan kain dan benang merupakan bahan kimia yang banyak digunakan dalam pengolahan basah tekstil seperti pewarna dan bahan kimia tambahan berbahaya bagi lingkungan dan kesehatan manusia

The Effectiveness of Chatgpt in Completing Astronomy Lectures: Building Awareness of Its Use Hikmatiar, Hamzarudin; Sya’bania, Nursina; Jayadin, Jayadin; Kasman, Risqah Amaliah; Imranah, Imranah; Sahlan, Sahlan; Saputra, Sabarudin
Jurnal Pendidikan Fisika Vol 12, No 2 (2024): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v12i2.13587

The use of ChatGPT provides new opportunities for students to deepen their understanding of the course materials and overcome the obstacles they may encounter. The study of astronomy itself includes material that studies the universe, but students tend to minimize the related knowledge. The emergence of open AI products is considered a good solution to address the acceleration of specialized student learning in tasks. This research aims to find out whether ChatGPT has benefits for students in completing astronomy lecture assignments at the Muhammadiyah University of Maumere. This is seen from how often students use ChatGPT. The research method used is a mixed method that combines quantitative and qualitative analysis. Quantitative data is obtained from questionnaires which are presented in the form of numerical data, while qualitative data is additional information obtained through conversations between researchers and research sources. Data collection is carried out using an app that is shared with students through Google Forms after ChatGPT is applied to complete college tasks. This type of activity is considered to have excellent benefits for the completion of tasks in education. Based on the research results, it was found that 13 or 65% of the total respondents stated that ChatGPT was very good to use in completing tasks. Apart from that, using ChatGPT was also considered effective in completing astronomy lecture assignments because 50% of students stated that using ChatGPT was very effective in solving astronomy problems, while the other 50% chose only effective. Based on these findings, it is fundamental that ChatGPT has benefits for students to help solve lecture problems and can be a recommendation for other users provided they always pay attention to the ethics of its use.

Analysis of the UtilizationUtilization of a Learning Management System Based on the Independent Curriculum in Physics Education at Sikka Coastal Schools Hikmatiar, Hamzarudin; Al Farizi, Zakaria; Hamsa, Berlian; Nurlina, Nurlina; Jufriansah, Adi; Jayadin, Jayadin
Berkala Ilmiah Pendidikan Fisika Vol 13, No 1 (2025)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/bipf.v13i1.20322

Online learning has emerged as a dominant trend since the onset of the COVID-19 pandemic, leading to significant changes in the educational landscape. Numerous studies have examined using learning management systems (LMS) in educational settings. However, few have addressed the urgency of implementing LMS and the specific challenges coastal schools face. To explore these challenges, the researcher conducted a qualitative, descriptive study to analyze the use of LMS, focusing on a case study of high schools in Sikka Regency. The study involved nine schools, namely SMAN Pemana, MAS Nurwahid Gunung Sari, MAS Muhammadiyah Nangahure, MAS At-Taqwa Beru, SMA Muhammadiyah Maumere, SMAN Magepanda, SMA 1 Talibura, SMKN Talibura, and SMAN 1 Waigete. Data were collected through interviews with nine physics teachers. The research data were then analyzed using NVivo software to obtain quantitative percentages. The findings indicated that all participating schools utilized LMS, with the majority adopting Google Classroom. However, the most significant challenge identified was internet connectivity, with over 50% of the schools acknowledging this issue. Additionally, many students lacked smartphone access, particularly at MAS Muhammadiyah Nangahure, where nearly 2% of students did not own a smartphone, compared to approximately 5% at similar schools. Other challenges included the lack of internet data and limited understanding of technology among students. The most common concern reported by schools was the inflexibility of LMS platforms, particularly concerning their dependence on internet connectivity. For instance, SMAN Pemana noted a 4.8% incidence of issues related to the LMS they were using. Given these obstacles, many schools have turned to alternative solutions to support online learning, such as WhatsApp Groups, which 80% of the schools employ.

A Pengaruh Kuat Tekan dan Daya Serap Air Laut Pada Material Komposit Sandwich Serat Sabut Kelapa Jayadin; Muhammad Mujiburohman; Handik Hendratama; Tri Widayatno; Nur Arifah Hidayati; Hamzarudin Hikmatiar
Jurnal Teknik Mesin Indonesia Vol. 20 No. 1 (2025): Vol. 20 No. 1 (2025): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v20i1.809

The need for boards as a material for furniture is increasing, therefore alternative materials are needed to replace wooden boards, such as sandwich composite boards. Coconut is a tropical plant that has long been known by Indonesian people. Coconut is one of the plants that can be used as a composite board, namely coconut fiber. This research aims to make composite boards from coconut fiber to determine the compressive strength and absorption capacity of sea water. The materials for this research are coconut fiber and polyester resin. Coconut fiber is a waste that is rarely used so the waste can become serious waste. This research uses the Compressing Molding method at room temperature where the mold is loaded. In this research, compression testing uses ASTM D 659 standards and seawater absorption testing uses ASTM D 570 standards. The results of this research show optimal conditions at a volume fraction of 20% with a core thickness of 6 mm, namely 8,230 MPa in compression testing and 25% thickness. The 8 mm core in the Sea Water Absorption Capacity test had the lowest absorption capacity at 0.16%.

A Pengaruh Kuat Tekan dan Daya Serap Air Laut Pada Material Komposit Sandwich Serat Sabut Kelapa Jayadin; Muhammad Mujiburohman; Handik Hendratama; Tri Widayatno; Nur Arifah Hidayati; Hamzarudin Hikmatiar
Jurnal Teknik Mesin Indonesia Vol. 20 No. 1 (2025): Vol. 20 No. 1 (2025): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v20i1.809

The need for boards as a material for furniture is increasing, therefore alternative materials are needed to replace wooden boards, such as sandwich composite boards. Coconut is a tropical plant that has long been known by Indonesian people. Coconut is one of the plants that can be used as a composite board, namely coconut fiber. This research aims to make composite boards from coconut fiber to determine the compressive strength and absorption capacity of sea water. The materials for this research are coconut fiber and polyester resin. Coconut fiber is a waste that is rarely used so the waste can become serious waste. This research uses the Compressing Molding method at room temperature where the mold is loaded. In this research, compression testing uses ASTM D 659 standards and seawater absorption testing uses ASTM D 570 standards. The results of this research show optimal conditions at a volume fraction of 20% with a core thickness of 6 mm, namely 8,230 MPa in compression testing and 25% thickness. The 8 mm core in the Sea Water Absorption Capacity test had the lowest absorption capacity at 0.16%.

A Pengaruh Kuat Tekan dan Daya Serap Air Laut Pada Material Komposit Sandwich Serat Sabut Kelapa Jayadin; Muhammad Mujiburohman; Handik Hendratama; Tri Widayatno; Nur Arifah Hidayati; Hamzarudin Hikmatiar
Jurnal Teknik Mesin Indonesia Vol. 20 No. 1 (2025): Vol. 20 No. 1 (2025): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v20i1.809

The need for boards as a material for furniture is increasing, therefore alternative materials are needed to replace wooden boards, such as sandwich composite boards. Coconut is a tropical plant that has long been known by Indonesian people. Coconut is one of the plants that can be used as a composite board, namely coconut fiber. This research aims to make composite boards from coconut fiber to determine the compressive strength and absorption capacity of sea water. The materials for this research are coconut fiber and polyester resin. Coconut fiber is a waste that is rarely used so the waste can become serious waste. This research uses the Compressing Molding method at room temperature where the mold is loaded. In this research, compression testing uses ASTM D 659 standards and seawater absorption testing uses ASTM D 570 standards. The results of this research show optimal conditions at a volume fraction of 20% with a core thickness of 6 mm, namely 8,230 MPa in compression testing and 25% thickness. The 8 mm core in the Sea Water Absorption Capacity test had the lowest absorption capacity at 0.16%.

The Effectiveness of Chatgpt in Completing Astronomy Lectures: Building Awareness of Its Use Hikmatiar, Hamzarudin; Sya’bania, Nursina; Jayadin, Jayadin; Kasman, Risqah Amaliah; Imranah, Imranah; Sahlan, Sahlan; Saputra, Sabarudin
Jurnal Pendidikan Fisika Vol. 12 No. 2 (2024): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v12i2.13587

The use of ChatGPT provides new opportunities for students to deepen their understanding of the course materials and overcome the obstacles they may encounter. The study of astronomy itself includes material that studies the universe, but students tend to minimize the related knowledge. The emergence of open AI products is considered a good solution to address the acceleration of specialized student learning in tasks. This research aims to find out whether ChatGPT has benefits for students in completing astronomy lecture assignments at the Muhammadiyah University of Maumere. This is seen from how often students use ChatGPT. The research method used is a mixed method that combines quantitative and qualitative analysis. Quantitative data is obtained from questionnaires which are presented in the form of numerical data, while qualitative data is additional information obtained through conversations between researchers and research sources. Data collection is carried out using an app that is shared with students through Google Forms after ChatGPT is applied to complete college tasks. This type of activity is considered to have excellent benefits for the completion of tasks in education. Based on the research results, it was found that 13 or 65% of the total respondents stated that ChatGPT was very good to use in completing tasks. Apart from that, using ChatGPT was also considered effective in completing astronomy lecture assignments because 50% of students stated that using ChatGPT was very effective in solving astronomy problems, while the other 50% chose only effective. Based on these findings, it is fundamental that ChatGPT has benefits for students to help solve lecture problems and can be a recommendation for other users provided they always pay attention to the ethics of its use.

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