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All Journal International Journal of Electrical and Computer Engineering
Alfie Rizky Ananda
Institut Teknologi Bandung
Computer Science & IT Electrical & Electronics Engineering

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Classification of Palm Oil Fresh Fruit Bunch using Multiband Optical Sensors Agung Wahyu Setiawan; Richard Mengko; Ayu Paranitha H. Putri; Donny Danudirdjo; Alfie Rizky Ananda
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 4: August 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (664.376 KB) | DOI: 10.11591/ijece.v9i4.pp2386-2393

Abstract

This study investigated optical sensor system consist of sixteen light emitting diode (LED) in visible/near infrared region to detect palm oil fresh fruit bunch (FFB) quality. Practically, experience grader assessed FFB quality by its ripeness based on external features such as colour and number of detached fruitlets. However, different seed and plantation management resulting in FFB quality variation. Same external features not linearly correlate with FFB oil content that corresponding with industrial needs. The 660 nm LED is choosen to be used to estimate the oil content of FFB. Using linear discriminant analysis (LDA) with Mahalanobis distance, the accuracy of the systems is 79.8% and 88.2%. From 33 FFB oil content measurement, grader misclassified 4 out of 17 FFB as ripe FFB but with low oil content (<17.5%) and misclassified 7 out of 16 FFB as unripe but with high oil content (>=17.5%). Classifying model build from FFB from main plantation then tested to evaluate FFB from smallholder. Classification model generated from FFB oil content data showed more accurate result compared to model generated from visual inspection 66.7% compared to 52.1%. Model accuracies attained by Discriminant Analysis (DA) and k-Nearest Neighbors (k-NN) were 79.8% and 80.7%, respectively based on grader evaluation. Model accuracies based on FFB oil content was 88.2% for both classifying algorithms.
Co-Authors Agung Wahyu Setiawan Ayu Paranitha H. Putri Donny Danudirdjo Richard Mengko