Browse Items (27 total)
- Collection: Vol. 20, No. 4 2022
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
A compressed sensing approach for antenna array calibration
This paper presented a compressive sensing (CS) calibration technique that simultaneously measures all the element excitations of a 2×2 active phased antenna array (APAA) instantaneously. The power patterns of the rectangular 2×2 APAA element are…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A new family of bidirectional DC-DC power converters with very low input and output ripples
Bidirectional DC-DC converters with very low ripple contents in the input and output sides are desirable in many applications. This paper proposes a new family of bidirectional DC-DC converters with very low input and output ripples that is derived…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A proposed model for text and image encryption using different techniques
Data security and protection is one of the most common technologies used in the field of computer science. This is because of its great importance in all fields related to daily life, whether political, economic, and other aspects change. In this…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A security services for internet of thing smart health care solutions based blockchain technology
Pervasive and ubiquitous computing has enabled people better integrate
physical things into the digital world. The internet of things (IoT) has been considerably more widely used in business and everyday life in the last decade. Innovative…
physical things into the digital world. The internet of things (IoT) has been considerably more widely used in business and everyday life in the last decade. Innovative…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A sink based data gathering technique by using clustering for wireless sensor networks
New advance and integrated technologies have changed the traditional
systems and convert these systems into more intelligent, feasible and cost effective systems. In all data communications domain, data gathering is one of the significant task…
systems and convert these systems into more intelligent, feasible and cost effective systems. In all data communications domain, data gathering is one of the significant task…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A voice controlled smart home automation system using artificial intelligent and internet of things
The objective of this work is to take a step further in this direction by
incorporating voice control and artificial intelligence (AI) into internet of
things (IoT)-based smart home systems to create more efficient automated smart home systems.…
incorporating voice control and artificial intelligence (AI) into internet of
things (IoT)-based smart home systems to create more efficient automated smart home systems.…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Application of a wireless apnea monitoring device for crisis alertness and sleep diagnosis
Over the past five decades, obstructive sleep apnea has been noted as a
prevalent symptom in adults with escalated health conditions like stroke, obesity, high blood pressure, cardiovascular complications and chronic kidney diseases; to mention but…
prevalent symptom in adults with escalated health conditions like stroke, obesity, high blood pressure, cardiovascular complications and chronic kidney diseases; to mention but…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Automated brain tumor detection of MRI image based on hybrid image processing techniques
Primary challenges are the identification, segmentation, and extraction of the afflicted area from the scanning of magnetic resonance. However, it is a time-consuming and tiresome for clinical specialists. In this paper,
an automated brain tumor…
an automated brain tumor…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Brain tumor segmentation using multi-level Otsu thresholding and Chan-Vese active contour model
Research on brain tumor segmentation has been developed, ranging from threshold-based methods to the use of the deep learning algorithm. In this study, we proposed a region-based brain tumor segmentation method, namely the active contour model (ACM).…