Department of Information Technology: Recent submissions
Now showing items 381-400 of 1500
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Prediksi Polusi Udara Menggunakan Algoritma Extreme Learning Machine
(Universitas Sumatera Utara, 2023)The problem that has a negative impact on living things is air pollution, especially disorders of the respiratory tract. One of the causes of increased air pollution is the increasing use of motorized or private vehicles. ... -
Identifikasi Nada pada Seruling Menggunakan Metode Harmonic Product Spectrum (HPS)
(Universitas Sumatera Utara, 2022)Music is sound waves arranged in order to produce harmony, rhythm, and tone. Every sound or sound contained in music is produced by instruments that produce rhythm, which are then referred to as musical instruments. ... -
Analisis Sentimen Berbasis Aspek terhadap Ulasan Produk Berbahasa Indonesia pada Penjualan Online Menggunakan Kombinasi Algoritma Convolutional Neural Network dan Long-Short Term Memory
(Universitas Sumatera Utara, 2022)A variety of products with various categories are currently being marketed online. E commerce users have many choices in meeting their needs or desires. One of the factors that e-commerce users concern is the product ... -
Peningkatan Akurasi Algoritma Long Short Term Memory (LSTM) pada Studi Kasus Prediksi Harga Cabai
(Universitas Sumatera Utara, 2023)Unstable chili prices are still a serious problem in society. Many previous studies have provided solutions by predicting chili prices using various algorithms, one of which is Long Short Term Memory (LSTM). However, so ... -
Identifikasi Asal Daerah Berdasarkan Dialek Menggunakan Metode Evolving Multilayer Perceptron
(Universitas Sumatera Utara, 2021)Voice detection is very important for the world of information technology that can be used for voice processing, biometrics, human computer interfaces. Voice identification carried out in this study is based on speech ... -
Analisis dan Peningkatan Performa Kompresi JPEG dengan Transformasi Discrete Cosine Transform dan Gaussian Filtering
(Universitas Sumatera Utara, 2023)In the current era, computers or smartphones have graphical capabilities in conveying data information, but there are several obstacles in the size of the file to store the data resulting in a large file size that takes ... -
Lexicon Based Data Labelling untuk Peningkatan Kinerja Long Short-Term Memory dalam Analisis Sentimen
(Universitas Sumatera Utara, 2023)Accuracy in training sentiment analysis models for large number of review datasets is affected by the correct classification of sentiment labels. Improving the accuracy of sentiment labels, text representation also affects ... -
Kombinasi Local Outlier Factor dan Winsorization dalam Pengelompokan Outlier pada Data Medis Rumah Sakit
(Universitas Sumatera Utara, 2023)In medical data, it is important for doctors to stay update about the condition of their patients, but it would make a problem for the medical data. The medical data would be inconsistend due to changes in information ... -
Fuzzy Mamdani terhadap Peningkatan Akurasi Nilai Akhir Minimum Confidence Algoritma Apriori
(Universitas Sumatera Utara, 2023)Finding rules from data has been an active research field in Artificial Intelligence. Active research was done in frequent itemset mining, which ultimately led to rule generation. Many algorithms propose suggestions to ... -
Optimasi Kinerja Algoritma K-Means pada Penentuan Data Centroid dengan Menggunakan Algoritma Agglomerative Hierarchical Cluster
(Universitas Sumatera Utara, 2023)The initial process of clustering the K-Means algorithm is to determine the initial cluster center point (centroid). The selection of the initial centroid in the K-Means algorithm greatly determines the output of the ... -
Identifikasi Diabetic Retinopathy melalui Citra Oct Retina Menggunakan Probabilistic Neural Network
(Universitas Sumatera Utara, 2023)One of the microvascular complications caused by diabetes is diabetic retinopathy (DR). DR is damage to blood vessels in the area of the retina of the eye which causes swelling to leak fluid in the eye. Eye damage due to ... -
Identifikasi Jenis Layanan Kekerasan pada Perempuan dan Anak Menggunakan Gated Recurrent Unit
(Universitas Sumatera Utara, 2022)Violence against children and women is an issue that should not be underestimated and considered unimportant and even considered a backward problem. Because this violence when viewed in more detail can have serious impacts ... -
Peringkasan Multi-Dokumen Berita Bahasa Indonesia Menggunakan Algoritma Lexrank
(Universitas Sumatera Utara, 2022)The rapid growth of technology makes its users increase. The many conveniences offered by a technology can ease human work. One of them is the ease of accessing information via the internet. The habit of Indonesian people ... -
Sentimen Analisis Berbasis Aspek terhadap Aplikasi Tiktok Berdasarkan Ulasan pada Google Play Menggunakan Metode Extreme Gradient Boosting (XGBOOST)
(Universitas Sumatera Utara, 2023)Tiktok is a popular application that is in great demand in the world, especially in Indonesia. Tiktok allows its users to make videos that are up to 10 minutes long and can be accompanied by music, filters, and many ... -
Analisis Manajemen Bandwidth Menggunakan Metode Proxy Server Berbasis Virtual Machine
(Universitas Sumatera Utara, 2023)Bandwidth management is the process of measuring or controlling the network traffic communications and the data package on internet network to avoid network congestion and poor performance on the network. Internet ... -
Sign-Then-Encrypt Scheme Dengan Cramer-Shoup Cryptosystem dan Dissanayake Digital Signature
(Universitas Sumatera Utara, 2023)Computer security is becoming increasingly important in today's technological development due to the continuous increase in security breaches. Many people are concerned about protecting data from unauthorized disclosure, ... -
Peningkatan Kinerja Algoritma K-Means Dengan Teknik Pillar untuk Penentuan Centroid
(Universitas Sumatera Utara, 2023)The K-Means algorithm is a popular clustering technique used in many applications, including machine learning, data mining, and image processing. Despite its popularity, the algorithm has several limitations, including ... -
Model Klasifikasi Penyakit Paru Melalui Citra Rontgen Dada Dengan Metode Convolutional Neural Network
(Universitas Sumatera Utara, 2022)Convolutional Neural Network is a type of deep learning that is used for image detection or image classification. The images used can be obtained from data banks such as http://www.kaggle.com, the image usually has a ... -
Analisis Akurasi Random Forest Menggunakan Principal Component Analysis (PCA)
(Universitas Sumatera Utara, 2023)Data that has high dimensions requires machine learning methods that can work faster and more effectively in the classification process. One of the algorithms that can handle complex data is Random Forest. Random Forest ... -
Analisis Kinerja Kombinasi Algoritma Kriptografi Advanced Encryption Standard Dengan LUC Dalam Skema Hybrid untuk Pengamanan Teks
(Universitas Sumatera Utara, 2022)Data security is very important as it is easy to exchange data today. Cryptographic techniques are needed as data security techniques. Combining two cryptographic algorithms is a solution for a better level of security. ...