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All Journal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Nasional Komputasi dan Teknologi Informasi LOFIAN: Jurnal Teknologi Informasi dan Komunikasi
Simamora, S N M P
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Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Neuroscience Transportation

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Pola Redaman Noise Untuk Teknik Gaussian-Filter pada Gambar 2-Dimensi Simamora, S N M P
Jurnal Nasional Komputasi dan Teknologi Informasi (JNKTI) Vol 7, No 4 (2024): Agustus 2024
Publisher : Program Studi Teknik Komputer, Fakultas Teknik. Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jnkti.v7i4.7898

Abstract

Abstrak - Sudah umum diketahui bahwa data multimedia jenis gambar mendominasi transaksi dan komunikasi di berbagai media layanan teknologi informasi. Setiap end-user berusaha agar gambar yang dimiliki memberikan kualitas yang baik saat ditampilkan atau disimpankan, terhindar dari kerusakan atau noise yang muncul. Parameter gambar yang utama dimiliki adalah pixel. Pixel yang tidak sesuai penempatannya menghasilkan noise pada gambar sehingga jika saat divisualisasikan menunjukkan gambar mengalami kerusakan. Pada penelitian ini telah berhasil menerapkan Teknik Gaussian-Filter untuk jenis gambar 2-Dimensi, dimana ada lima sample gambar yang telah diuji. Dan hasil pengujian menunjukkan pengaruh signifikan saat gambar sebelum dan sesudah dilakukan rekayasa dengan pola meredam noise yang dimiliki setiap sampling gambar. Setiap gambar diterapkan pola redaman yang sama sehingga diperoleh hasil yang objektif bahkan untuk gambar yang tidak memiliki noise atau cenderung noise cukup kecil. Pengaruh pixel sangat mendominasi untuk dilakukannya redaman noise pada gambar.Kata kunci: teknik gaussian filter, gambar 2-dimensi, noise, redaman, pola Abstrak - It is generally known that image-type multimedia data dominates transactions and communications in various information technology service media. Every end-user tries to ensure that their images provide good quality when displayed or saved, avoiding damage or noise that appears. The main image parameter is pixels. Pixels that are not properly positioned produce noise in the image so that when visualized it shows that the image is damaged. In this research, we have successfully applied the Gaussian-Filter technique for 2-dimensional images, where there are five sample images that have been tested. And the test results show a significant effect when the images before and after are engineered with the noise reduction pattern of each image sampling. The same attenuation pattern is applied to each image so that objective results are obtained even for images that have no noise or tend to have quite small noise. The influence of pixels is very dominant in reducing noise in images.Keywords: Gaussian filter techniques, 2-dimensional images, noise, attenuation, patterns
Rancang-Bangun Antar-muka Aplikasi Ujian On-Line Dengan Teknik Penyedia Soal Secara Acak Simamora, S N M P
JATISI Vol 11 No 4 (2024): JATISI (Jurnal Teknik Informatika dan Sistem Informasi)
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/jatisi.v11i4.5990

Abstract

Dalam penyelenggaraan ujian on-line hal yang menjadi prioritas dalam penyajiannya adalah waktu pengerjaan, dan isi soal disajikan secara acak. Apabila pada soal ujian on-line bukan berbentuk essai, seperti pilihan berganda; maka pilihan jawaban juga disajikan secara acak. Hal ini akan mengkondisikan proses pengerjaan soal terlaksana dengan objektif, bila dibandingkan dilakukan secara off-line. Kunci-jawaban juga tetap merujuk pada pilihan jawaban tersebut, walaupun disajikan secara acak. Pada penelitian ini telah dirancang dan dibangun sebuah aplikasi ujian on-line dengan menggunakan Algoritma Fisher-Yates Shuffle untuk pengacakan soal dan Teknik Fuzzy Tsukamoto untuk perhitungan nilai atau skor. Penggunaan Teknik Fuzzy Tsukamoto bertujuan untuk menghindari perhitungan nilai atau skor yang salah mengingat pengacakan diterapkan pada soal, pilihan jawaban, dan kunci-jawaban yang merujuk pada soal yang disajikan tersebut. Sejumlah responden juga dilibatkan untuk menilai perihal aplikasi ujian on-line yang telah dikembangkan. Responden yang dilibatkan tersebut merupakan pelajar sekolah tingkat SMA/SMK yang terdiri dari kelas X, XI, dan XII. Jumlah responden dibagi secara seimbang dan pemilihan dilakukan secara proporsional. Hasilnya menunjukkan aplikasi ujian on-line relatif baik dan sesuai dengan harapan yang dinginkan oleh pengguna. Terlebih lagi setiap fitur dan perpindahan modul-modul dalam aplikasi sudah berjalan sesuai dengan ketentuan yang telah ditetapkan.
Pemodelan Otomasi Bak Sampah berbasis Sensitivitas Objek M. D. Priangga; Simamora, S N M P
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 4 No 2 (2025): Pebruari
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v4i2.274

Abstract

Manual tasks that still rely heavily on human skill and discipline cannot yet match the superior results achievable through automation. The designed waste bin model ensures no physical contact between the end-user and the bin during disposal. This is achieved by installing a sensor to detect obstacles approaching the bin. When an obstacle, such as the end-user, is within a range of 80 to 40 centimeters from the sensor's line of sight, the bin lid will automatically open. Additionally, a sensor inside the bin detects the waste height from the lid. When the waste reaches a predefined height of 40 to 20 centimeters, a buzzer will sound, and a notification will be displayed indicating that the bin is full. The model was designed using the Wokwi simulator and implemented with an ESP-32 microcontroller. The model also employs an embedded-systems approach. The results demonstrate that the device successfully detects obstacles in front of the bin, ensuring non-contact between the end-user and the bin. The predefined waste height is also accurately detected by the sensor, triggering a notification on the Visual-Display Unit (VDU) and activating the buzzer.
Pemodelan Kontroler-Otomatik dengan Intervensi pada Pengendali Temperatur Tanah dan Kelembaban Simamora, S N M P
LOFIAN: Jurnal Teknologi Informasi dan Komunikasi Vol 3 No 2 (2024): Pebruari
Publisher : Universitas Mandiri Bina Prestasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58918/lofian.v3i2.241

Abstract

Soil fertility is influenced by two dominant parameters, namely soil temperature and humidity. If one exceeds the reference value, it will certainly affect the level and level of soil fertility. Although nutrient management is also important, temperature and humidity parameters are the two main factors that must be considered so that ideal fertility levels can be maintained. It is necessary to have an instrument to control and to stabilize so that the soil temperature and humidity values can always be maintained; citing the need to avoid biased decisions if they are not based on empirical values. In this research, a series of tests have been carried out using an automatic controller, namely an instrument built and designed to have the capability to control soil temperature and humidity. The use of a specific sensor can detect changes in sensitivity in the soil, for temperature and humidity parameters. The test results show that in a series of trials using ten test scenarios; it was found that every environmental condition that is changed by direct intervention on the sensor shows that the automatic controller can quickly and in real-time provide feedback in the form of visuals and sounds as a warning that there has been a significant environmental change, so that action must be taken to return the soil condition to its normal reference-value.
Co-Authors M. D. Priangga