SELECTION OF OPTIMUM LIGHT SOURCE FOR MACHINE VISION APPLICATIONS

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POURDARBANI R.; GHASEMZADEH H.R.; AGHA GOLZADEH A.; BEHFAR HOSSEIN

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2009 | Volume:18 | Issue:4 Page(s): 247-255

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Information Journal Paper

Title

SELECTION OF OPTIMUM LIGHT SOURCE FOR MACHINE VISION APPLICATIONS

Author(s)

POURDARBANI R. | GHASEMZADEH H.R. | AGHA GOLZADEH A. | BEHFAR HOSSEIN

Keywords

ILLUNIMINATIONQ2

IMAGE PROCESSINGQ2

MACHINE VISIONQ2

SPECTRAL RESPONSEQ3

Abstract

High quality image acquision is the first and the most important step in MACHINE VISION applications. The. image of an object, as captured by a MACHINE VISION system, is not only a function of the spectral properties of the object surface, but also is a function of the illumination spectral distribution and the camera's SPECTRAL RESPONSE. On the other hand, poor illumination may creat shallows that cuase mistakes in IMAGE PROCESSING. Uniform illumination is important for contrasting between background and object. The objective of this study was to evaluate four types of light sources, namely halogen, fluorescent, LED and incandescent lamps in the following variables such as sensitivity to lamp voltage variations and uniformity over the field of view of the camera. Based on LSR test, the best voltage in which RGB values have the least differences was selected for each type of light sources. The best voltage for LED and Flourescent were 10V and 130V respectively. Then based on t-test, LED and Flourescent sources were compared for the uniformity of FOV. Since the variance of LED was lower than Flourescent source, so according to statistical analyses, the LED light source was selected to have the best results.

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APA: Copy

POURDARBANI, R., GHASEMZADEH, H.R., AGHA GOLZADEH, A., & BEHFAR, HOSSEIN. (2009). SELECTION OF OPTIMUM LIGHT SOURCE FOR MACHINE VISION APPLICATIONS. JOURNAL OF AGRICULTURAL KNOWLEDGE, 18(4), 247-255. SID. https://sid.ir/paper/29055/en

Vancouver: Copy

POURDARBANI R., GHASEMZADEH H.R., AGHA GOLZADEH A., BEHFAR HOSSEIN. SELECTION OF OPTIMUM LIGHT SOURCE FOR MACHINE VISION APPLICATIONS. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2009;18(4):247-255. Available from: https://sid.ir/paper/29055/en

IEEE: Copy

R. POURDARBANI, H.R. GHASEMZADEH, A. AGHA GOLZADEH, and HOSSEIN BEHFAR, “SELECTION OF OPTIMUM LIGHT SOURCE FOR MACHINE VISION APPLICATIONS,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 18, no. 4, pp. 247–255, 2009, [Online]. Available: https://sid.ir/paper/29055/en

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