Browse Items (65 total)
- Collection: Vol. 18, No. 2 2020
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Comparing random forest and support vector machines for breast cancer classification
There are more than 100 types of cancer around the world with different symptoms and difficulty in predicting its appearance in a person due to its random and sudden attack method. However, the appearance of cancer is generally marked by the growth…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Technology readiness and usability of office automation system in suburban areas
Readiness and usability issues are important attributes of an information system (IS) success. Currently, IS studies that have been assessing the issues in suburban areas are still limited. The purpose of this study was to measure the above-mentioned…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A compact UWB monopole antenna with penta band notched characteristics
A modified rectangular monopole ultra-wideband (UWB) antenna with
penta notched frequency bands is presented. An inverted U shaped and
slanted U-shaped on the radiating patch are inserted to achieve WiMAX and ARN bands rejection respectively, two…
penta notched frequency bands is presented. An inverted U shaped and
slanted U-shaped on the radiating patch are inserted to achieve WiMAX and ARN bands rejection respectively, two…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A new multi-level key block cypher based on the Blowfish algorithm
Blowfish is a block cypher algorithm used in many applications to enhance security, but it includes several drawbacks. For example, the mix between the key and data is limited. This paper presents a new modification to the Blowfish algorithm to…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A performance of radio frequency and signal strength of LoRa with BME280 sensor
LoRa is a Radio Frequency module that can send packet data up to 3 km in FSPL.LoRa has 3 different Frequency Radios i.e, 915 MHz, 868 MHz, and 433 MHz. LoRa testing is based on different distances, BME280 provides Barometric Pressure, Temperature,…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A robust method for VR-based hand gesture recognition using density-based CNN
Many VR-based medical purposes applications have been developed to help patients with mobility decrease caused by accidents, diseases, or other injuries to do physical treatment efficiently. VR-based applications were considered more effective helper…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Adaptive threshold for moving objects detection using gaussian mixture model
Moving object detection becomes the important task in the video surveilance system. Defining the threshold automatically is challenging to differentiate the moving object from the background within a video. This study proposes gaussian mixture model…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
An improved electricity efficiency method based on microcontroller and IoT with infrared sensor
This paper proposes an improved electricity efficiency method using
an infrared sensor and internet of things (IoT). Almost all field of human
work require electrical energy, especially for household needs. The averages household has many lamps in…
an infrared sensor and internet of things (IoT). Almost all field of human
work require electrical energy, especially for household needs. The averages household has many lamps in…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
An optimal control for complete synchronization of 4D Rabinovich hyperchaotic systems
This paper derives new results for the complete synchronization of 4D
identical Rabinovich hyperchaotic systems by using two strategies: active and nonlinear control. Nonlinear control strategy is considered as one of the powerful tool for…
identical Rabinovich hyperchaotic systems by using two strategies: active and nonlinear control. Nonlinear control strategy is considered as one of the powerful tool for…