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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) TELKOMNIKA (Telecommunication Computing Electronics and Control) International Journal of Advances in Intelligent Informatics Proceeding of the Electrical Engineering Computer Science and Informatics Edu Komputika Journal Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Teknovasi : Jurnal Teknik dan Inovasi Mesin Otomotif, Komputer, Industri dan Elektronika JOURNAL OF APPLIED INFORMATICS AND COMPUTING Dinamisia: Jurnal Pengabdian Kepada Masyarakat KACANEGARA Jurnal Pengabdian pada Masyarakat Journal of Computer Science and Informatics Engineering (J-Cosine) Adimas : Jurnal Pengabdian Kepada Masyarakat J-Dinamika: Jurnal Pengabdian Kepada Masyarakat MULTINETICS Journal of Electronics, Electromedical Engineering, and Medical Informatics Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Indonesian Journal of Electrical Engineering and Computer Science Janaka : Jurnal Pengabdian Masyarakat Society: Jurnal Pengabdian Masyarakat BHAKTI PERSADA Jurnal Aplikasi IPTEKS (Journal of Applied Sciences and Technology) JURNAL POLI-TEKNOLOGI Jurnal Atma Inovasia Taawun: Jurnal Pengabdian kepada Masyarakat
Mera Kartika Delimayanti
Politeknik Negeri Jakarta
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A Specific Marker Approach to Improve Object Recognition in Bullet Launchers with Computer Vision Ahmad, Umar Ali; Tresna, Wildan Panji; Sugiarto, Iyon Titok; Delimayanti, Mera Kartika; Mustofa, Fahmi Charish; Faisal, Mohammad Reza; Septiawan, Reza Rendian
Journal of Electronics, Electromedical Engineering, and Medical Informatics Vol 6 No 4 (2024): October
Publisher : Department of Electromedical Engineering, POLTEKKES KEMENKES SURABAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35882/jeeemi.v6i4.460

Abstract

Computer vision’s ability determines the accuracy of object recognition. This study tested the camera's ability to recognize both passive and active markers using LEDs. A specific active marker is analyzed using blinking on the LED. One of the factors to consider when choosing a specific marker is the value of the duty cycle accuracy. The proposed system is confirmed by implementing an integrated control system and the hardware to develop a specific marker. The result shows that the commercial camera can recognize all colors used as the test markers. Here, a specific marker was improved in the bullet launcher system due to tracking, identifying, detecting, marking, locking, and shooting a target precisely. Generally, image processing obtained the comparison of the time to speed the process, the higher the pixel resolution, the longer the time. When the object moves at a certain speed, the camera can detect several marker shapes, such as circles, squares, and triangles. The result shows that a circle marker gives a higher accuracy at every speed level. In the duty cycle variation test, when the duty cycle value is set to 50%, the best accuracy is obtained when the red LED is used, with the accuracy value obtained reaching 96%. In the LED test, it is also found that the effect of light affects the color detection results on the LED. Moreover, using the highest accuracy results from the LEDs at the implementation stage would be very good.
Pelatihan Penggunaan Media Pembelajaran Tentang Budaya Keris Berbasis Virtual Reality di Sekolah Dasar Rizqi Fitri Naryanto; Mera Kartika Delimayanti; Ranu Iskandar; Didik Supriadi; Imam Sukoco; Aldias Bahatmaka; Warsiti Warsiti
TAAWUN Vol. 3 No. 02 (2023): TA'AWUN AUGUST 2023
Publisher : Pusat Penelitian Pengabdian Pada Masyarakat Sekolah Tinggi Ilmu Tarbiyah Al-Fattah Siman Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37850/taawun.v3i02.511

Abstract

The utilization of Virtual Reality (VR) technology for educational purposes, namely in instructing Indonesian culture, particularly the Keris culture, holds significant importance. This is due mainly to the limited dissemination of knowledge on Keris and traditional weaponry inside educational institutions, as they are not currently incorporated into the curriculum. The Universitas Negeri Semarang and Politeknik Negeri Jakarta teams have developed interactive learning media focusing on virtual reality (VR) technology. The primary objective of the virtual reality (VR) application is to provide a comprehensive exploration of Keris culture, intending to foster a deeper understanding and appreciation of Indonesia's rich cultural legacy among the younger generation, mainly elementary school pupils. The approach involves offering instructional sessions to students and educators, focusing on utilizing virtual reality (VR) technology as an educational instrument. Training activities were provided at Barusari 02 Elementary School in South Semarang. Considering technological accessibility is crucial to ensuring that all students can access educational materials without obstacles. The findings derived from administering pre- and post-assessments to primary school children indicate that Virtual Reality Technology has the potential to engender greater interest among pupils in acquainting themselves with Indonesian culture. Most participants, above 80%, expressed a strong positive inclination towards utilizing Virtual Reality (VR) Technology to acquire knowledge about various cultural aspects. By providing appropriate support and adopting a comprehensive approach, virtual reality (VR) has the potential to serve as an efficacious instrument for enhancing students' comprehension and admiration of Indonesian culture.
Peningkatan Pemberdayaan Tenaga Promosi Kesehatan dengan Media Edukasi dan Promosi Kesehatan di Kota Depok Nalawati, Rizki Elisa; Mera Kartika Delimayanti; Dewi Kurniawati; Mahesa Rama Triwijaya
Bhakti Persada Jurnal Aplikasi IPTEKS Vol. 10 No. 2 (2024): Bhakti Persada Jurnal Aplikasi IPTEKS
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/bp.v10i2.71-79

Abstract

Increasing public health awareness is an important strategic issue to be handled by local governments, especially in the Depok City area. This strategic issue is handled directly by the Depok City Health Service. This is a result of the lack of public health awareness, which is a challenge in health promotion efforts in Depok City. Several technical obstacles were encountered in the field related to limited technical capabilities in using software to create educational and promotional media using technology. This technical ability can be overcome by providing counseling and technical assistance using a selection of simple, smartphone-based tools. This training involved 60 health promoters from community health centers and regional hospitals in Depok City. The pretest results, which illustrate the success of the community service process, stated that 47.2% of health promotion workers rarely received multimedia training, and 17.85% felt that there had never been any multimedia training. Positive responses were given by the participants, as shown by the results of the implementation of 2-dimensional and 3-dimensional multimedia
Perancangan dan Realisasi Aplikasi Berbasis Web untuk Enkripsi dan Dekripsi Data dengan Algoritma 3DES dan Twofish Delimayanti, Mera Kartika; Sudirko, Danu
MULTINETICS Vol. 1 No. 1 (2015): MULTINETICS Mei (2015)
Publisher : POLITEKNIK NEGERI JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/multinetics.v1i1.1041

Abstract

Penelitian ini membahas perancangan dan realisasi sistem berupa aplikasi berbasis web untuk enkripsi dan dekripsi data dengan algoritma 3DES dan Twofish yang berfungsi untuk mengamankan sebuah data. Sistem dapat digunakan untuk mencegah tindakan pencurian informasi data dengan cara menyandikan informasi menggunakan teknik kriptografi berupa enkripsi dan dekripsi dengan menggunakan 2 metode yakni 3DES dan Twofish. Fungsi enkripsi adalah untuk menyandikan data sebenarnya (plaintext) menjadi data sandi (chipertext) dan fungsi dekripsi adalah sebaliknya. 3DES adalah salah satu algoritma enkripsi yang cukup  populer dan perkembangan dari DES dengan menggunakan panjang kunci 168 bit, sedangkan Twofish merupakan algoritma dengan panjang kunci bervariasi 128-bit, 192-bit, dan 256-bit. Sistem dirancang dan dibangun berbasis web untuk mempermudah penggunaan yang dapat multi platform. Implementasi sistem telah dilakukan dengan menggunakan berbagai macam tipe file dengan ukuran tertentu dan aplikasi telah berfungsi dengan baik tanpa mengubah file asli dengan teknik penyandian yang dipilih.
Media Pembelajaran Kendaraan Bermotor Berbasis Permainan Virtual Reality di SD Negeri Barusari 02 Semarang Selatan Naryanto, Rizqi Fitri; Delimayanti, Mera Kartika; Abdurrahman, Abdurrahman; Arifin, Muhammad Faizal Ardhiansyah; Sukoco, Imam; Fahmi, Fiqri Fadillah; Naryapramono, Afrilza Daffa; Kristiana, Indah Maya; Suratmi, Sifera
Jurnal Atma Inovasia Vol. 4 No. 4 (2024)
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jai.v4i4.9487

Abstract

Penggunaan teknologi Virtual Reality (VR) dalam pendidikan Sekolah Dasar (SD) menjadi solusi inovatif untuk mengatasi keterbatasan metode pembelajaran konvensional yang kurang interaktif. Pengabdian ini bertujuan untuk meningkatkan pemahaman siswa SD Negeri Barusari 02 di Semarang tentang kendaraan bermotor melalui penguatan media pembelajaran dengan teknologi VR. Kegiatan pengabdian masyarakat ini dilakukan dalam 5 tahap, yaitu Design Thinking, Komunikasi Tim Pengabdi dengan Mitra, Finalisasi Media Pembelajaran, Penerapan IPTEKS untuk Mitra, dan Evaluasi Hasil. Pengembangan media pembelajaran menggunakan metode SDLC Waterfall. Hasil kegiatan menunjukkan peningkatan rata-rata sebesar 72.5% dalam pemahaman mengenai Virtual Reality dan kendaraan bermotor. Sebesar 90% peserta merasa sangat senang belajar menggunakan permainan Virtual Reality, dan 95% menyatakan keinginan untuk menggunakannya kembali. Pengabdian ini menyimpulkan bahwa penerapan teknologi VR dalam pembelajaran dapat meningkatkan minat dan pemahaman siswa terhadap bidang permesinan kendaraan bermotor.
SOSIALISASI MEDIA EDUKATIF INTERAKTIF “BIOPORI” BERBASIS VIRTUAL REALITY BAGI PEMUDA KARANG TARUNA Naryanto, Rizqi Fitri; Delimayanti, Mera Kartika; Kriswanto, Kriswanto; Indriawan, Ari Dwi Nur; Sukoco, Imam; Subagyo, Yusuf; Eko Saputro, Wahyu Danang; Athoillah, Ahmad
ADIMAS Jurnal Pengabdian Kepada Masyarakat Vol 6 No 1 (2022): Maret
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/adi.v6i1.4146

Abstract

Karang Taruna adalah salah satu organisasi pemuda yang keberadaanya terstruktur merata di seluruh Indonesia dari tingkat RT/RW, desa/kelurahan, dan kecamatan. Pemuda penerus bangsa sangat terbiasa dengan pemanfaatan teknologi terkini di bidang TIK, salah satunya adalah teknologi Virtual Reality (VR). Pada kegiatan program pengabdian dosen kepada masyarakat ini bertujuan untuk memberikan edukasi dengan media interaktif berbasis VR kepada pemuda karang taruna tentang teknologi Biopori. Teknologi Biopori merupakan salah satu alternatif pencegah banjir yang dapat dilakukan oleh seluruh khalayak masyarakat dengan membuat lubang resapan di sekitar lingkungannya. Bencana banjir yang kerap melanda kota Semarang disebabkan salah satunya oleh resapan air yang sudah jauh berkurang jumlahnya. Oleh sebab itu, apabila terjadi hujan dengan intensitas sedang dalam kurun waktu lama, akan menyebabkan banjir. Pemberian edukasi akan lebih mengena kepada anak muda khususnya pemuda karang taruna dengan memberikan sosialiasi teknologi biopori. Hasil yang telah didapatkan adalah para peserta merasa sangat antusias dengan teknologi Virtual Reality (VR) karena dapat menggambarkan kondisi yang sebenarnya walaupun melalui sebuah film. Selain itu, para pemuda karang taruna menjadi paham dan mengerti tentang teknologi Biopori dapat mencegah banjir. Oleh sebab itu, sosialisasi kepada masyarakat khususnya tentang teknologi biopori sangat tepat diberikan dengan teknologi VR khusunya bagi pemuda karang taruna.
An Intelligent Web-Based Mental Health Management Platform with Rule-Based Music Therapy Recommendation Delimayanti, Mera Kartika; Wibowo, Harits Taqiy
Journal of Applied Informatics and Computing Vol. 9 No. 6 (2025): December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i6.10799

Abstract

This research developed a web-based application for mental health management with an emotional music therapy recommendation feature using Rule-Based Filtering. The system is designed to help individuals recognize and manage emotional conditions caused by life pressures, work stress, and often overlooked psychological issues. A 2023 survey showed that 43% of respondents were concerned about mental health problems, followed by stress at 40%, while 43.8% of parents of teenagers managed their children’s mental health issues independently, 19.2% did not know where to seek help, and 15.4% believed the problems would improve on their own. The system analyzes daily emotional input and weekly PANAS questionnaires to classify moods (Positive, Negative, Mixed, Neutral) based on Positive Affect (PA) and Negative Affect (NA) scores, then recommends relevant music from the database. The technical implementation uses Laravel for the backend and Tailwind CSS for the frontend. Black Box Testing showed 100% functionality. User Acceptance Test (UAT) with 32 respondents resulted in UAT-J 90.25%, UAT-K 90.41%, UAT-R 89.18%, and UAT-A 91.24%. The System Usability Scale (SUS) reached an average score of 85 (very high), while the Net Promoter Score (NPS) was 59.37% (62.50% Promoters), indicating strong user satisfaction and loyalty. This research is expected to help individuals monitor emotional conditions and increase mental health awareness through an innovative music-based approach.
Penerapan Sistem Surat Menyurat Terdigitalisasi (E-Office) Pada BUMDESMA Mentereng LKD Cikoneng, Kabupaten Ciamis Rusdinar, Angga; Dewanta, Favian; Virgono, Agus; Isnawati, Anggun Fitrian; Delimayanti, Mera Kartika
J-Dinamika : Jurnal Pengabdian Masyarakat Vol 10 No 3 (2025): Desember
Publisher : Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Administrasi surat menyurat yang masih dilakukan secara manual di BUMDESMA Mentereng LKD, Kecamatan Cikoneng, Kabupaten Ciamis, menimbulkan sejumlah kendala seperti keterlambatan pencatatan, kesulitan penelusuran arsip, serta rendahnya efisiensi layanan administrasi. Untuk menjawab permasalahan tersebut, dikembangkan sebuah sistem E-Office berbasis web yang dirancang untuk mendukung digitalisasi pengelolaan surat masuk, surat keluar, serta dokumen administrasi penting lainnya. Kegiatan ini melibatkan pengurus BUMDESMA sebagai mitra utama, dengan dukungan mahasiswa pelaksana dan tim dosen pengusul dari Telkom University. Metode pelaksanaan mencakup analisis kebutuhan, perancangan dan pengembangan sistem, pelatihan penggunaan, hingga sosialisasi dan penyerahan sistem. Hasil dari kegiatan ini adalah terwujudnya platform E-Office yang mampu mendokumentasikan surat masuk secara elektronik, memfasilitasi pembuatan surat keluar melalui templat baku, serta mendukung pencatatan dokumen lain seperti proposal, berita acara, dan pencairan bulanan. Implementasi sistem ini terbukti meningkatkan kerapian arsip, mempercepat proses administrasi, serta memperkuat transparansi dan akuntabilitas tata kelola dokumen. Dengan adanya E-Office, BUMDESMA Mentereng LKD kini memiliki instrumen digital yang mendukung modernisasi pelayanan administrasi dan siap dioperasikan secara mandiri oleh pengurus.
Penerapan chatbot berbasis AI untuk pencegahan mafia tanah dalam kemitraan dengan Sekar Anindita and Partners Law Firm Mera Kartika Delimayanti; Dewi Yanti Liliana; MRR Tiyas Maheni; Ghania Shafiqa Raisa; Kevin Khalfani Fadillah; Muhamad Atsil Rifqi Riyansyah
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 9, No 3 (2026): Agustus
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v9i3.3372

Abstract

Permasalahan mafia tanah di Indonesia menimbulkan kerugian ekonomi dan sosial yang signifikan, sementara sistem pengelolaan arsip hukum yang manual menghambat akses informasi kredibel bagi masyarakat maupun firma hukum. Kegiatan pengabdian masyarakat ini menghadirkan Hukum Cerdas, chatbot hukum berbasis Artificial Intelligence (AI) dengan teknologi Retrieval Augmented Generation (RAG) dan Large Language Model (LLM), bekerja sama dengan Sekar Anindita and Partners (SAP) Law Firm selaku pengelola platform Gebukmantan.com. Chatbot dirancang untuk menjawab pertanyaan hukum secara langsung dengan merujuk dokumen terkurasi. Tahapan kegiatan meliputi pengumpulan arsip, pengembangan dan integrasi sistem, uji coba, pre-test dan post-test, serta pelatihan pengguna. Hasil menunjukkan pada pre-test, pemahaman indikator pengetahuan inti masih 48–70%, sedangkan kesiapan/harapan mencapai 86–92%. Setelah pelatihan, seluruh indikator meningkat signifikan menjadi 92–98% (≥92%). Peserta menilai chatbot cepat, kontekstual, dan kredibel dalam memberikan jawaban hukum. Luaran kegiatan mencakup integrasi chatbot dengan Gebukmantan.com, buku panduan penggunaan, dokumentasi kegiatan, artikel jurnal ilmiah, serta rencana pendaftaran Hak Kekayaan Intelektual (HKI).
3D word embedding vector feature extraction and hybrid CNN-LSTM for natural disaster reports identification Mohammad Reza Faisal; Dodon Turianto Nugrahadi; Irwan Budiman; Muliadi Muliadi; Mera Kartika Delimayanti; Septyan Eka Prastya; Imam Tahyudin
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 22, No 5: October 2024
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v22i5.26091

Abstract

Social media contain various information, such as natural disaster reports. Artificial intelligence is used to identify reports from eyewitnesses early for disaster warning systems. The artificial intelligence system includes a text classification model with feature extraction and classification algorithms. Word embedding-based feature extraction is widely used for 1-dimensional (1D) and 2-dimensional (2D) data, suitable for traditional or deep learning algorithms. However, applying feature extraction to 3-dimensional (3D) data for text classification is limited. Previous studies focused on word embedding for 1D, 2D, and 3D outputs with convolutional neural network (CNN). Yet, using 3D data and CNN did not perform well. Despite using CNN and 3D variants, identifying natural disaster reports remains below 80% accuracy. This research aims to improve identifying earthquakes, floods, and forest fires with 3D data and hybrid CNN long short-term memory (LSTM). The study found models with accuracies of 83.38%, 83.72%, and 89.03% for each disaster type. Hybrid CNN LSTM significantly enhanced identification compared to CNN alone, supported by statistical tests with P value less than 0.0001.
Co-Authors Abdurahman Abdurrahman Ahmad Athoillah Ahmad Tossin Alamsyah Aldias Bahatmaka Aminudin Debateraja Angga Rusdinar Anggi Mardiyono Anggun Fitrian Isnawati Ari Dwi Nur Indriawan Musyono Asri Wulandari Bayu Bagas Hapsoro Dewi Kurniawati Dewi Yanti Liliana Dewi Yanti Liliana Didik Supriadi Dodon Turianto Nugrahadi Dwi Kartini, Dwi Eko Saputro, Wahyu Danang Fahmi, Fiqri Fadillah Favian Dewanta Friska Abadi Ghania Shafiqa Raisa Hanin Wendho Hendra Kurniawan Iklima Ermis Ismail Imam Tahyudin Imanu Danar Herunandi Imanu Danar Herunandi Indriawan, Ari Dwi Nur Irwan Budiman Irwan Budiman Isdawimah Iskandar, Ranu Kevin Khalfani Fadillah Kristiana, Indah Maya Kriswanto Kriswanto Kriswanto Kriswanto, Kriswanto Mahesa Rama Triwijaya Mauldy Laya Mohamad Naufal Aditya MRR Tiyas Maheni DK, MRR Tiyas Maheni Muhamad Atsil Rifqi Riyansyah Muhammad Faizal Ardhiansyah Arifin Muhammad Faizal Ardhiansyah Arifin, Muhammad Faizal Ardhiansyah Muhammad Haekal Muhammad Reza Faisal, Muhammad Reza Muliadi Muliadi MURIE DWIYANITI1 Mustofa, Fahmi Charish Nalawati, Rizki Elisa Nana Sutarna Naryapramono, Afrilza Daffa Nor Indrani Prihatin Oktivasari Reisa Siva Nandika Reza Rendian Septiawan Riandini Riandini Riandini _ Rika Novita Wardhani Rizky Adi Rizqi Fitri Naryanto Sari, Risna Sari, Risna Septyan Eka Prastya Septyan Eka Prastya Sudirko, Danu Sudirko, Danu Sugiarto, Iyon Titok Sukoco, Imam Supriadi, Didik Suratmi, Sifera Umar Ali Ahmad Warsiti Warsiti Warsiti Warsiti Warsuta, Bambang Wibowo, Harits Taqiy Widodo, Rafiq Amalul Wildan Panji Tresna Wiwi Prastiwinarti Yoga Putra Pratama Yogi Widiawati Yusuf Subagyo