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IMAGING ANALYSIS TECHNIQUE FOR ASSESSING ORANGE MATURITY

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Last updated: 04 Jan 2025

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Abstract

The objective of the present study was to develop a computer vision and image analysis program to serve as a simple and suitable technique for external fruit inspection and for predicting orange fruits maturity through the image analysis technique. The ENVI software package was utilized for image processing and analysis. The study also investigated the effectiveness of some color bands including R/G ratio, average of RGB bands (intensity) and VARI indices for predicting biochemical properties including chlorophyll a and b, carotenoids, acidity, pH, tss, and tss/acidity. Absorbance of the extracts was read by a spectrophotometer at specific wavelengths of 470, 645 and 662 nm to determine chlorophylls and carotenoids concentrations. The results revealed that the computer vision and image analysis program could be used to differentiate orange maturity stages. The results also showed that there is a strong response between both chlorophyll and carotenoids of orange fruits and the band ratios used in this research. R/G band ratio, average of RGB and VARI indices showed sensitive band ratios to different orange biochemical properties. 

DOI

10.21608/mjae.2015.98713

Keywords

Image analysis, Computer Vision, Orange, Carotenoids, RGB, band ratios

Authors

First Name

A. H.

Last Name

ELMETWALLI

MiddleName

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Affiliation

Assis. Prof., Agric. Eng. Dept., Fac. of Agric., Tanta Univ., Egypt.

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Orcid

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First Name

Sh.

Last Name

Salah

MiddleName

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Affiliation

Assis. lecturer, Agric. Eng. Dept., Fac. of Agric., Tanta Univ., Egypt.

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Volume

32

Article Issue

1

Related Issue

14970

Issue Date

2015-01-01

Receive Date

2020-06-27

Publish Date

2015-01-01

Page Start

243

Page End

256

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 32_Issue 1_Pages 243-256.pdf

PDF . 756.9kB

Link

https://mjae.journals.ekb.eg/article_98713.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=98713

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14

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

IMAGING ANALYSIS TECHNIQUE FOR ASSESSING ORANGE MATURITY

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Article

Created At

23 Jan 2023