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PENERAPAN ALGORITMA RAY CASTING  PADA APLIKASI PRESENSI ONLINE SISWA SMP NEGERI 6 MEDAN Devi Lestari; Antoni; Tasliyah Harmaini
AT-TAKLIM: Jurnal Pendidikan Multidisiplin Vol. 2 No. 9 (2025): At-Taklim: Jurnal Pendidikan Multidisiplin (Edisi September)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/at-taklim.v2i9.923

Abstract

Student attendance is one of the essential aspects of school administration to monitor students' presence and discipline. The manual attendance system still used at SMP Negeri 6 Medan is considered ineffective as it requires time, effort, and is prone to recording errors. This study aims to develop a web-based online attendance application that utilizes the Ray Casting algorithm to verify students' locations when marking their attendance. The Ray Casting algorithm is used to determine whether the GPS coordinates of the student’s location are within a polygon area representing the school’s location. The system is built using PHP, HTML, CSS programming languages, and a MySQL database, along with GPS-enabled devices. The system development method uses an Agile approach, which includes planning, design, coding, testing, and implementation stages. Testing was conducted on a number of students from SMP Negeri 6 Medan, with main features including user login, GPS location retrieval, selfie photo, and attendance history recording. The test results show that the system can verify attendance automatically and accurately. This application is expected to improve efficiency, reduce fraud, and serve as a reference for developing location-based attendance systems at SMP Negeri 6 Medan.
IMPLEMENTASI ALGORITMA DIFFIE-HELLMAN KEY EXCHANGE (DHE) DAN AES DALAM ENKRIPSI PESAN END-TO-END M. Khairi Nasution; Rachmat Aulia; Antoni
Jurnal Riset Multidisiplin Edukasi Vol. 2 No. 10 (2025): Jurnal Riset Multidisiplin Edukasi (Edisi Oktober 2025)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v2i10.1011

Abstract

Digital communication security is a crucial aspect in the modern era of information technology. This study aims to implement a combination of the Diffie- Hellman Key Exchange (DHE) and Advanced Encryption Standard (AES) algorithms in an end- to-end encryption (E2EE) system to ensure data confidentiality and integrity. The method used includes a secure key exchange process via the DHE algorithm and message encryption using AES-256, ensuring secure communication between two users. The research process began with the design of a web-based communication system that allows users to securely exchange messages. The initial stage involves the exchange of public keys between two parties using DHE, which then generates a shared secret key. This key is subsequently used in the encryption and decryption of messages using AES, strengthened by the use of an Initialization Vector (IV) to enhance security. An example of implementation is demonstrated through a communication simulation between Alice and Bob, where values of p = 23 and g = 2 are used as public parameters, while a = 6 and b = 15 serve as private values. Both parties successfully establish a shared key of 4, which is then used to encrypt a message such as “Hello, Bob!” into ciphertext. This message can only be decrypted by the recipient using the same key and the included IV. With this system, users can securely send and receive text messages through a simple yet functional interface.
PENERAPAN METODE MID POINT FILTER MENGURANGI EFEK NOISE GAUSSIAN PADA CITRA BERBASIS ANDROID Muhammad Rifqi Saputra; Khairuddin Nasution; Antoni
Jurnal Riset Multidisiplin Edukasi Vol. 2 No. 10 (2025): Jurnal Riset Multidisiplin Edukasi (Edisi Oktober 2025)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v2i10.1041

Abstract

Noise in digital images, particularly Gaussian Noise, often poses a major challenge in maintaining the quality of visual information as it produces random speckles that can interfere with object identification and recognition processes. This problem becomes more complex on mobile devices, which are limited in computational power and storage capacity. This study proposes the application of the Midpoint Filter Method as a solution to reduce the effects of Gaussian Noise in Android-based images. The Midpoint Filter works by replacing each pixel value with the average of the maximum and minimum values within a filter window. This approach is chosen for its lightweight, efficient characteristics and its ability to reduce random noise without degrading important image details. The method is implemented through an Android application designed to load images, process them using the Midpoint Filter, and display a real-time comparison between the original and filtered images. Experimental results show that the proposed method significantly reduces Gaussian noise levels. In an experiment using an image with a resolution of 576×345 pixels and a file size of approximately 1 MB, the initial noise value of 2791 was successfully reduced to 1246 after applying the Midpoint Filter. Thus, the total noise reduction reached 1545, representing a 55.36% decrease, while maintaining the image resolution.
IMPLEMENTASI ALGORITMA ARITHMETIC CODING PADA APLIKASI COMPRESS FILE PDF Alfira Zahwa; Mhd. Zulfansyuri Siambaton; Antoni
Jurnal Riset Multidisiplin Edukasi Vol. 2 No. 10 (2025): Jurnal Riset Multidisiplin Edukasi (Edisi Oktober 2025)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v2i10.1057

Abstract

Di era digital, kebutuhan akan efisiensi penyimpanan dan transfer data menjadi semakin penting, khususnya untuk file berukuran besar seperti PDF. Penelitian ini membahas implementasi algoritma Arithmetic Coding pada aplikasi kompresi file PDF sebagai solusi untuk mengurangi ukuran file tanpa mengurangi kualitas konten. Arithmetic Coding merupakan metode kompresi data lossless yang bekerja dengan memetakan rangkaian simbol menjadi sebuah bilangan pecahan dalam interval [0,1), kemudian dikonversi ke bentuk biner. Algoritma ini dikenal efisien karena mampu memberikan rasio kompresi yang tinggi, terutama pada data dengan tingkat redundansi yang besar. Aplikasi yang dikembangkan dirancang untuk memproses file PDF, mengekstraksi konten teks, kemudian mengompresinya menggunakan Arithmetic Coding. Hasil pengujian menunjukkan bahwa implementasi algoritma ini dapat mengurangi ukuran file PDF dengan tingkat efektivitas yang bervariasi, tergantung pada karakteristik dan kompleksitas data dalam dokumen. Dengan demikian, aplikasi ini dapat membantu pengguna dalam mengelola file PDF, khususnya pada kondisi dengan keterbatasan bandwidth atau kapasitas penyimpanan.
Transparency in Village Fund Management (A Case Study in the Bang Haji Subdistrict, Central Bengkulu Regency) Hermanto, Bambang Agoes; Antoni; Rospida, Lela
International Journal of Business and Applied Economics Vol. 3 No. 1 (2024): January 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijbae.v3i1.7820

Abstract

This researcher aims to analyze the transparency of village fund management in Bang Haji District, Central Bengkulu Regency. The sample for the questionnaire was 72 taken using accidental sampling technique. Data analysis in this study used a descriptive test. The results of the study fall into the Medium or Moderate classification, because the village head has not been fully transparent in the Management of Village Funds in Bang Haji District, Central Bengkulu Regency because of information about detailed financial reports both the income budget and the expenditure budget. all programs and activities are not published and cannot be accessed by the public. However, only a few programs and activities are known if community programs and activities are the implementers.
Amtsāl Al-Qur’an Sebagai Sarana Pendidikan Nilai Sosial dan Empati Furqan Firmansyah; Antoni; Misnawati
AL-MIKRAJ Jurnal Studi Islam dan Humaniora (E-ISSN 2745-4584) Vol. 6 No. 1: Al-Mikraj, Jurnal Studi Islam dan Humaniora
Publisher : Pascasarjana Institut Agama Islam Sunan Giri Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/almikraj.v6i1.8612

Abstract

This study aims to examine amtsāl Al-Qur’an as a Qur’anic stylistic device and to analyze its pedagogical relevance in educating social values and empathy within Islamic Religious Education. Using a qualitative, library-based approach, the study explores the definitions of amtsāl and the Qur’an, outlines the main types of amtsāl (muṣarraḥah, kāminah, and mursalah) with representative verses, and discusses the wisdoms underlying their use. The findings indicate that amtsāl functions not only as a rhetorical tool that clarifies abstract concepts, but also as a powerful pedagogical instrument for shaping social character. Through parables that engage both cognition and emotion, the Qur’an cultivates solidarity, social responsibility, care for others, and respect for human dignity, as reflected in Q.S. al-Ḥashr 9 and Q.S. al-Mā’idah 32. Thus, amtsāl Al-Qur’an can serve as a contextual learning strategy aimed at fostering character and empathy
Pendampingan Perencanaan Karier Siswa/Siswi Kelas XII SMA Negeri Tanjung Batu Ogan Ilir Rulitawati; Ariadi, Purmansyah; Handayani, Yuniar; Jumhan, Ahmad; Antoni; Helyadi
Journal of Community Development Vol. 6 No. 3 (2026): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v6i3.1866

Abstract

Perencanaan karier menjadi isu yang semakin urgen bagi siswa kelas XII sekolah menengah atas seiring dengan kompleksitas pilihan pendidikan lanjutan dan dinamika dunia kerja di era modern. Kurangnya pemahaman siswa terhadap potensi diri, informasi karier, serta arah masa depan seringkali menimbulkan kebingungan dalam pengambilan keputusan pasca-sekolah. Artikel ini bertujuan untuk mendeskripsikan pelaksanaan dan manfaat program pendampingan perencanaan karier bagi siswa kelas XII SMA Negeri Tanjung Batu dalam meningkatkan kesiapan karier mereka. Metode yang digunakan adalah pendekatan deskriptif melalui kegiatan pendampingan yang bersifat interaktif dan partisipatif, dengan mengombinasikan ceramah, tanya jawab, serta diskusi klasikal dan individual. Teknik pengumpulan data dilakukan melalui observasi dan dokumentasi selama pelaksanaan kegiatan, sedangkan analisis data dilakukan secara deskriptif kualitatif. Hasil kegiatan menunjukkan bahwa pendampingan perencanaan karier membantu siswa meningkatkan pemahaman terhadap minat, bakat, nilai-nilai pribadi, dan keterampilan yang dimiliki, sehingga siswa memiliki arah dan keyakinan yang lebih jelas dalam menentukan pilihan pendidikan lanjutan maupun karier. Program ini memberikan kontribusi praktis dalam layanan bimbingan karier di sekolah dengan menegaskan pentingnya pendampingan terstruktur bagi siswa pada fase transisi pendidikan. Disimpulkan bahwa pendampingan perencanaan karier berperan penting dalam membekali siswa dengan kesiapan menghadapi masa depan, dan disarankan agar pengabdian selanjutnya mengembangkan instrumen evaluatif yang lebih sistematis untuk mengukur dampak jangka panjang program ini.
Gerakan Hidup Bersih dan Sehat Bebas Sampah di Desa Tanjung Batu Seberang Kecamatan Tanjung Batu Kabupaten Ogan Ilir Mukharomah, Ervina; Samsilayurni; Wardhani, Sri; Yanti, Sri; Aryati, Ani; Antoni; Saputri, Kurnia; Fitria , Primasari
Jurnal PKM Linggau: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol. 4 No. 2 (2024): Jurnal PKM Linggau (Jurnal Pengabdian dan Pemberdayaan Masyarakat)
Publisher : LP3MKIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55526/pkml.v4i2.753

Abstract

Desa Tanjung Batu seberang adalah desa yang pempunyai masalah dalam pengelolaan sampah. Sehingga menyebabkan beberapa warga desa Tanjung Batu seberang terjangkit penyakit Demam Berdarah Dengue (DBD). Adapun tujuan dari pengabdian ini untuk menemukan solusi terhadap pengelolaan sampah. Pelaksanaan kegiatan terbagi beberapa tahapan; pertama menganalisa kebutuhan mitra, kedua Menyusun rancangan, ketinga melaksanakan kegiatan pengabdian kepada Masyarakat, ke empat evaluasi proses dan hasil kegiatan pengabdian kepada Masyarakat. Metode yang digunakan sebagai pendekatan adalah metode konstruktivisme. Kegiatan pengabdian ini dilakukan melalui pemberian meteri dengan metode cerama, diskusi, pemberian contoh. Subjek pengabdian ini adalah Masyarakat Desa Tanjung Batu. Instrumen yang digunakan adalah angket pemahaman Masyarakat tentang Pengelolaan sampah. Hasil yang di peroleh dalam kegiatan ini sebanyak 86,50% peserta termotivasi terhadap pelatihan yang dilakukan karena mendapat pemahaman dan wawasan tentang pengelolaan sampah, 92,54% peserta menyatakan materi yang disajikan dapat dipahami/jelas. dan 91,51% peserta menyatakan puas terhadap penjelasan dilakukan secara sistematika dengan bahasa yang baik. Kesimpulan pelatihan yang diberikan dapat menjadi Solusi serta motivasi dalam pengelolaan sampah, dan mengurangi terjangkit penyakit demam berdarah Dengue.