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Machines 2015, 3(4), 352-363; doi:10.3390/machines3040352

Double Lighting Machine Vision System to Monitor Harvested Paddy Grain Quality during Head-Feeding Combine Harvester Operation

1
Graduate School of Agriculture, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
2
Department of Biological and Agricultural Engineering, Faculty of Engineering, University Putra Malaysia, 43400 Serdang, Selangor, Malaysia
3
Agricultural Research Center, Agricultural Operations Business, Yanmar Co., Ltd., 2481, Umegahara Maibara, Shiga 521-8511, Japan
4
Department of Mechanical and Biosystem Engineering, Bogor Agricultural University (IPB), Jawa Barat 16680, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editor: Ganesh Bora
Received: 9 September 2015 / Revised: 14 October 2015 / Accepted: 6 November 2015 / Published: 13 November 2015
(This article belongs to the Special Issue Agricultural Machinery)
View Full-Text   |   Download PDF [1721 KB, uploaded 13 November 2015]   |  

Abstract

A machine vision system to evaluate harvested paddy grain quality during harvesting using double lighting was developed. The prototype consisted of a low-cost web camera and two lighting systems: a ring white LED for front lighting, and a flat dome white LED light for backlighting. Both lighting systems were arranged in a coaxial axis, making the system simple, compact and easy to handle. The aim of the system is to analyse the captured images and determine the amount of unwanted materials (rachis branch, grass and leaves, and stems) and damaged grain (brown and crack rice) present in the paddy as it is being harvested. In this paper, we introduce the first step in the development of the system: the design and selection of components to optimize the performance of the system to monitor harvested paddy grain quality. The idea would be to mount the system on top of the inlet channel of the grain tank of a combine harvester to provide real-time assessment of harvesting operational parameters. View Full-Text
Keywords: machine vision system; grain monitoring; combine harvester machine vision system; grain monitoring; combine harvester
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Jahari, M.; Yamamoto, K.; Miyamoto, M.; Kondo, N.; Ogawa, Y.; Suzuki, T.; Habaragamuwa, H.; Ahmad, U. Double Lighting Machine Vision System to Monitor Harvested Paddy Grain Quality during Head-Feeding Combine Harvester Operation. Machines 2015, 3, 352-363.

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