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Yogi Udjaja - IEEE Xplore Author Profile

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Many strategies have been proposed to mitigate programming plagiarism and collusion. However, the effectiveness can vary across learning environments due to different cultural and/or geographical backgrounds. A few specific studies have been conducted to provide a better picture about the matter in particular countries, but none of them focus on a developing country. This paper proposes a country-...Show More
Non-Player Character (NPC) is one of the important elements in the game, because NPCs can liven up the atmosphere in the game by means of intense interaction with players with various functions. This has an impact on the game experience which is more immersive than the game being played. This study provides an overview so that NPCs are able to have dynamic dialogue with players, and this study als...Show More
The use of Photo Booth at several events has become a means of documentation such as selfies and wefies, However, in some applications, the technology has not been utilized properly. This study aims to describe how the application of Augmented Reality technology to be applied to the form of photography services in the form of a photo booth with real-time rendering techniques from Spark AR and the ...Show More
There have been many activities to train the brain to remain active, one of its activities is by playing games. Games with the right presentation can train the brain as a whole. This research is focused on High-Order Thinking Skills (HOTS) in order to be able to train the brain's ability in players. This was made so that the implementation problems in disadvantaged, frontier and outermost areas co...Show More
The Asia-Pacific region has been dominating the global video game market for years. In recent years, an increasing number of Indonesia students are turning their interest to study in Taiwan. However, Chinese education in Indonesia is fundamentally based on studies of Mainland China, therefore lacking opportunities for students to understand profoundly Taiwan's language and culture. Furthermore, th...Show More
This research proposes the use of a classifier built using the artificial neural network (ANN) technique for determining teacher engagement based on the Indonesian Teacher Engagement Index (ITEI). ANN classifier will be built in the form of a website. This study uses the concept of artificial intelligence and Artificial neural networks. This research produces Website Workflow and The Classifier Pr...Show More
In this digital era, games become one of entertainment that knows no age. For students, the game can have a positive impact, namely increasing cognitive and motoric abilities. This research seeks to see the experience of students in Jakarta after playing the DOTA 2 game. DOTA 2 is one of the famous games and one of the games that once recorded a record of making an event with the biggest prize in ...Show More
The game has developed rapidly, starting from simple graphics and quests, then now the game has a graphic with good quality and complex quests. Most people think of games as a means of playing and wasting time, but games can be used as stress relievers, learning media, making money and many more uses. Therefore, the game requires a good game experience (GX). The GX in question is GX which can make...Show More
Performance of teachers is largely determined by how the teacher performs all tasks and responsibilities in the form of professional behavior. Because the teacher is an adult and as a professional who cannot be handled by just anyone, then teachers should be able to assess and improve their own performance to achieve the best. To be able to assess and improve their own performance at any time, it ...Show More
ITEI Apps is an android based application developed for being able to map the condition of teacher engagement through the concept of self-diagnostic. Self-diagnostic is done from the self-assessment stage to obtain profiling of teachers on the condition of engagement. The next stage is to intervene on the results so that teachers can do the improvement program engagement independently. This resear...Show More
Proof of integration between Technology Enhanced Learning and Human-Computer Interaction requires a significant evaluation, Collaboration method was developed in the form of an e-learning website. The evaluation is done with WebQual 4.0 and modeled in several variables. Based on the evaluation obtained e-learning website sasmoko.com can be said enough quality significantly at $\alpha$ <0.05 and th...Show More
We are presenting our research about the importance of the User Interface (UI) and the User Experience (UX) and Gameplay experience (GX) on a video game. In order to find the effect of user in forms of UI, UX and GX on video games, a quick survey was done using Google Form for 60 participants and only 52 respondents which answer yes in question number 1, where 36 and 16 respondents are male and fe...Show More
Clustering is a task to divide objects into group depends on their similarity. The optimal of solving clustering problem occurs when the data joins in one group which has a similar category. This study combines Adaptive Genetic Algorithm, K-Means and Greedy Selection to solve clustering problem, named RAGKA. In first step, the centroid is determined by K-Means. Crossover and mutation are performed...Show More
Technology Enhanced Learning is one of the most dynamic areas of inquiry in education. One form of TELs, that is on-screen learning, has been well understood to hinder learning experience due to the reading spatial instability, difficulties in establishing mental map, and poor visual ergonomics. This work intends to study to which extend a learning a recommendation system improving on-screen learn...Show More