Vol. 14 No. 1 (2021)

Twitter is a social media platform used to express sentiments about events, topics, individuals, and
groups. Sentiments in Tweets can be classified as positive or negative expressions. However, the
sentiment is an expression that is the opposite…

Pleural effusion is an abnormal lung condition characterized by a buildup of fluid between the two layers of the pleura, which causes specific symptoms such as chest pain and shortness of breath. In Indonesia, pleural effusion cases alone account for…

Multi-Scale Spectral Residual technique is used to reduce the search area in an image. However, this technique relies on image salience from the capture device. The aim of this study is to obtain a better search area with image enhancement to detect…

Neural networks possess an ability to generalize well to data distribution, to an extent that they are capable of fitting to a randomly labeled data. But they are also known to be extremely sensitive to adversarial examples. Batch Normalization…

COVID-19 (short for coronavirus disease 2019) is an emerging infectious disease that has had a tremendous impact on our daily lives. Globally, there have been over 95 million cases of COVID-19 and 2 million deaths across 191 countries and regions.…

The crowd detection system on CCTV has proven to be useful for retail owners in mall areas where data can be used as a guide by owners to find out the number of visitors who enter at a certain time.
However, such information was still insufficient.…

K-nearest neighbor (KNN) is an effective nonparametric classifier that determines the neighbors of a point based only on distance proximity. The classification performance of KNN is disadvantaged by the presence of outliers in small sample size…

Haze, fog, and bad weather conditions occur often in daily life. In these scattering media environments,
micro-particles interfere with light propagation and image formation. Images captured in these conditions
will suffer from low contrast and…