การออกแบบระบบประเมินพื้นที่ใบพืชด้วยวิธีการประมวลผลภาพร่วมกับการวิเคราะห์ความถดถอย
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Abstract
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Application of image processing and linear regression for estimation of leaf area
Measurements of leaf area are essential to analyze the rate of photosynthesis of plants. This article presents a system design using image processing technique and linear regression analysis to estimate a leaf area, which is derived from pixel count in a scanned leaf image. In a process of making a model, a hundred pieces of paper in different sizes were scanned by a 100 and 200 pixel scanner, and then analyzed by linear regression analysis method to create 3 models for estimating leaf area. To find errors of the models, 60 different leaves were tested. The result showed that the model created from a ratio between leaf area and background gives accurate results with very small errors, and is also flexible for resolution change in a scanning process.
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Published manuscript are the rights of their original owners and RMUTSB Academic Journal. The manuscript content belongs to the authors' idea, it is not the opinion of the journal's committee and not the responsibility of Rajamangala University of Technology Suvarnabhumi