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All Journal Jurnal Edukasi dan Penelitian Informatika (JEPIN) The Spirit of Society Journal : International Journal of Society Development and Engagement Indonesian Journal of Applied Informatics Journal of Informatics and Vocational Education JUSTIN (Jurnal Sistem dan Teknologi Informasi)
Nurcahya Pradana Taufik Prakisya
Universitas Sebelas Maret
Computer Science & IT Education Environmental Science Social Sciences Other

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Peningkatan HSV dan Haar-Like Feature pada Aplikasi Identifikasi Kematangan Buah Tomat Berbasis Android Liantoni, Febri; Prakisya, Nurcahya Pradana Taufik; Aristyagama, Yusfia Hafid
JUSTIN (Jurnal Sistem dan Teknologi Informasi) Vol 9, No 1 (2021)
Publisher : Jurusan Informatika Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.051 KB) | DOI: 10.26418/justin.v9i1.42469

Abstract

Tomat adalah buah yang terkenal karena memiliki banyak nutrisi penting dan bermanfaat seperti antioksidan, vitamin C dan A untuk makanan sehari-hari manusia. Memetik tomat dengan tangan merupakan pekerjaan yang berat dan memakan waktu. Karena itu, untuk mengatasi masalah ini, tomat perlu diambil secara otomatis dengan bantuan teknologi. Baru-baru ini otomatisasi panen buah memperoleh popularitas besar. Untuk memandu robot pemanen mengambil buah dengan benar, penting untuk mendeteksi dan menemukan lokasi buah matang merah dengan benar. Maka dibutuhkan aplikasi untuk identifikasi kematangan buah tomat. Dalam penelitian ini, algoritma pendeteksian tomat matang berdasarkan ruang warna HSV (Hue, Saturation, Value) yang ditingkatkan dengan haar-like feature.  Metode ini diterapakan pada aplikasi berbasis android. Pada tahap pertama, transformasi HSV digunakan untuk menghilangkan latar belakang dan hanya mendeteksi tomat merah. Kemudian operasi morfologis diterapkan untuk memodifikasi buah yang terdeteksi. Hasil penelitian mampu mendeteksi tomat matang merah dengan peningkatan HSV dan haar-like feature.
The Influence of Student Teams Achievement Division combined with Discovery Learning to Improve Student Learning Outcomes and Activeness Arief Hermanto; Agus Efendi; Nurcahya Pradana Taufik Prakisya
Journal of Informatics and Vocational Education Vol 3, No 3 (2020): Journal of Informatics and Vocational Education
Publisher : Pendidikan Teknik Informatika dan Komputer, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/joive.v3i3.48388

Abstract

This research aims to find out the influence of learning outcomes as well as the activeness of students in the classroom who apply the learning model of student teams achievement division combined with discovery learning with classes that apply conventional learning models. The method used is a quantitative quasi-experimental design using pretest-posttest control. The sample used in this study was 72 students consisting of 2 classes. The sampling techniques in this study used total sampling. Data is obtained from pretest and posttest results based on indicators of student learning outcomes and activeness. The results showed differences and improved learning outcomes and student activity that implemented the student teams achievement division learning model combined with discovery learning compared to conventional learning models. This is evidenced by the results of the first hypothesis test using a t-test that confirms that the posttest result is 0.00 which means the value is less than the error level of 0.05 so it can be concluded that the two classes have a significant difference (H0 rejected). Furthermore, the results of the second hypothesis test used again to test showed a score of 0.52 in the experiment class and a score of 0.28 in the control class which meant there was an increase in learning outcomes and liveliness in the experiment and control classes.
Workshop And Motivation For Improving Student Skills Through The Information And Communications Technology Febri Liantoni; Yusfia Hafid Aristyagama; Nurcahya Pradana Taufik Prakisya; Puspanda Hatta; Cucuk Wawan Budiyanto
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 5 No 1 (2021): September 2021
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v5i1.1431

Abstract

In the digital age, the role of information technology is needed to face competition in the community. Information and communication technology is an important element in contributing to changes that are fundamental to the structure of operations and management of organizations, education, transportation, health, and research. The internet is like two sides of a coin, the content offered is positive and negative, both are very dependent on the behavior of its users. The ease of access to the internet is increasingly being felt by the public with increasingly cheap hardware such as tablets and laptops as well as wider connection support. Various efforts to stem negative information continue to be pursued by various elements of society, but it is not effective if the user behavior is not changed. Teenagers are among the most vulnerable in the misuse of advances in internet technology, so it needs serious efforts to provide the right knowledge and skills in utilizing these advancements. By conducting workshops and motivation to improve the abilities and skills of Girimarto 1 High School students, it is hoped that school students can face the development of the digital era more readily. The results of this training gained a high level of satisfaction with the material that had been carried out.
Analisis Segmentasi Leukosit pada Acute Myeloid Leukemia dengan Active Contour Without Edge dan Watershed Distance Transform Nurcahya Pradana Taufik Prakisya; Yusfia Hafid Aristyagama
JEPIN (Jurnal Edukasi dan Penelitian Informatika) Vol 9, No 3 (2023): Volume 9 No 3
Publisher : Program Studi Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jp.v9i3.67809

Abstract

Acute myeloid leukemia (AML) adalah salah satu tipe kanker darah yang mengakibatkan sumsum tulang tidak dapat menghasilkan sel leukosit jenis myeloid yang matang. Pada dasarnya diagnosa penyakit AML menggunakan basis perhitungan jumlah persentase relatif sel leukosit dalam darah. Kesalahan dalam perhitungan jumlah sel dapat berimbas pada kurang tepatnya diagnosa yang dibuat. Dalam pemrosesan citra apusan darah secara digital, salah satu hal yang masih menjadi kendala adalah sel darah yang saling bersinggungan dan bahkan tumpang tindih. Penelitian ini mengusulkan perpaduan algoritma active contour without edge (ACWE) yang dikombinasikan dengan watershed distance transform (WDT) untuk dapat mengatasi permasalahan objek sel darah yang tumpang tindih. ACWE digunakan untuk melakukan segmentasi objek sel darah berbasis perhitungan inside energy dan outside energy sementara WDT diimplementasikan sebagai algoritma pemisah objek dengan memanfaatkan memanfaatkan transformasi jarak dari setiap piksel ke nilai piksel non-zero terdekat. Hasil penelitian menunjukkan dari total 876 objek sel leukosit, terdapat 734 objek yang dapat disegmentasi dengan baik dan sisanya sebanyak 142 objek masih belum dapat diseparasi dengan tepat. Nilai ini menunjukkan bahwa perpaduan algoritma ACWE dan WDT dapat memisahkan 83,789% objek sel leukosit dari citra AML M1, M2 dan M3.
Otomasi Pemeliharaan Tanaman Hidroponik Sistem Wick Berbasis Arduino Uno Umi Salamah; Bimo Adrian Septianto; Nurcahya Pradana Taufik Prakisya
IJAI (Indonesian Journal of Applied Informatics) Vol 9, No 1 (2024)
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijai.v9i1.93772

Abstract

Abstrak:Hidroponik Sistem Wick merupakan sistem budidaya tanaman yang mudah diterapkan karena tidak memerlukan banyak biaya dan tempat. Tantangan penggunaan sistem ini adalah pengendalian terhadap kualitas air berupa pH air, ppm air, suhu, serta kelembaban udara yang harus dilakukan secara periodik untuk menjaga kelangsungan hidup tanaman. Untuk itu pada penelitian ini akan dibangun Internet of Things (IoT) untuk memastikan kebutuhan pertumbuhan tersebut selalu terpenuhi dengan cara penambahan air dalam wadah dan penambahkan cairan pH buffer untuk mengontrol kadar pH dalam air secara otomatis dan menampilkan data dari sensor secara real time melalui smartphone. Ada tiga tahapan untuk pengembangan system pemeliharaan tanaman hidroponik dengan IoT yaitu koleksi kebutuhan sistem, desain dan implementasi menggunakan Arduino Uno, dan pengujian untuk mengembangkan sistem secara keseluruhan. Hasil pengujian menunjukkan penggunaan IoT yang diusulkan berhasil melakukan otomasi dengan tingkat akurasi pengujian pada sensor DHT11 untuk pengukuran suhu dan kelembaban masing-masing sebesar 98% dan 92%. Akurasi sensor jarak HC-SR04 dan sensor pH DFRobot V2 masing-masing sebesar 96% dan 98.6%, sehingga total akurasi sensor sebesar 96.53% selama 22 hari masa tanam. Hasil tanaman sehat diiringi dengan pertumbuhan yang bagus dan subur sampai masa panen.================================================Abstract:The Wick Hydroponic System is a plant cultivation system that is easy to implement because it does not require a lot of money and space. The challenge of using this system is controlling water quality in the form of water pH, water ppm, temperature and air humidity which must be carried out periodically to maintain plant survival. For this reason, in this research, the Internet of Things (IoT) will be built to ensure that growth needs are always met by adding water to the container and adding pH buffer fluid to control the pH level in the water automatically and displaying data from sensors in real time via smartphone. There are three stages for developing a hydroponic plant maintenance system with IoT, namely collection of system requirements, design and implementation using Arduino Uno, and testing to develop the system as a whole. The test results show that the proposed use of IoT has successfully carried out automation with a test accuracy level on the DHT11 sensor for measuring temperature and humidity of 98% and 92% respectively. The accuracy of the HC-SR04 distance sensor and the DFRobot V2 pH sensor was 96% and 98.6% respectively, so that the total sensor accuracy was 96.53% during the 22 days planting period. The results of healthy plants were accompanied by good and fertile growth until harvest time
Co-Authors Agus Efendi Arief Hermanto Bimo Adrian Septianto Cucuk Wawan Budiyanto Febri Liantoni Febri Liantoni, Febri Puspanda Hatta Umi Salamah Yusfia Hafid Aristyagama