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Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 1 2020
A Novel Watermarking Method using Hadamard Matrix Quantization
Abstract. One of the most used watermarking algorithms is Singular Value Decomposition (SVD), which has a balanced level of imperceptibility and robustness. However, SVD uses a singular matrix for embedding and two orthogonal matrices for…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 1 2020
Design and Implementation of Poka-Yoke System in Stationary Spot-Welding Production Line Utilizing
Internet-of-Things Platform
Abstract. This paper presents the design and implementation of a poka-yoke system in a stationary spot welding (SSW) production line. The human-based SSW production process in a local automotive component company was considered in this study. Due to…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 1 2020
Development of Simulated Remote Monitoring and Operation System under Unstable Electric Power Supply
Abstract. In this study, a simulated remote monitoring and operation system was developed for an assumed remote area energy plant in a developing country with few skilled operators and unstable electric power supply. It is useful for skilled…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 1 2020
Efficient Utilization of Dependency Pattern and Sequential Covering for Aspect Extraction Rule Learning
Abstract. The use of dependency rules for aspect extraction tasks in aspect-based sentiment analysis is a promising approach. One problem with this approach is incomplete rules. This paper presents an aspect extraction rule learning method that…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 1 2020
Modulation Scheme Identification Based on Artificial Neural Network Algorithms for Optical Communication
System
Abstract. Higher-order modulation schemes in optical communication systems that suffer from several impairments can use artificial intelligence (AI) algorithms, among other possible techniques, to mitigate these issues. In this paper, several…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 1 2020
User Efficiency Model in Usability Engineering for User Interface Design Refinement of Mobile Application
Abstract. Designers are often confronted with challenges or difficulties when designing user interfaces for mobile applications. The information must be clearly delivered to the user and also have an aesthetic appearance and good discoverability. One…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 2 2020
A Global Two-Stage Histogram Equalization Method for Gray-Level Images
Abstract. Digital image histogram equalization is an important technique in image processing to improve the quality of the visual appearance of images. However, the available methods suffer from several problems such as side effects and noise,…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 2 2020
A Novel Boost-Buck Converter Architecture for Improving Transient Response and Output-Voltage Ripple
Abstract. Buck-boost converters are widely used in the development of DC-DC converters. Several techniques and algorithms have been introduced to improve the transient response of buck-boost converters. However, due to the opposite trends of the…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 2 2020
Decision Routing Problems in A Wireless Sensor Network Based on A Neural Mechanism
Abstract. This article proposes a solution for the routing problem in wireless sensor networks (WSN) based on a neural mechanism. The basic concepts of wireless sensor networks, artificial neural networks (ANNs), and WSN routing protocols are…
Journal of ICT Research and Applications ITB Bandung Vol. 14 No. 2 2020
Enhanced Image Encryption Using Two Chaotic Maps
Abstract. Information security is an important aspect in various communication areas, multimedia frameworks, medical imaging and militant communications. However, most of them encounter issues such as insufficient robustness or security. Recently,…