Colony Counting and Color Classification Device based on Image Processing

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รัตนพล ยุทธวิริยะ
นพดล มณีรัตน์
รัตติกร วรากูลศิริพันธุ์


This paper presents the design and development of color classification and colony counting device. It comprises of two main parts which are hardware and software. The hardware consists of a micro-controller which is used to interface with personal computer and used to control the RGE LED bulbs. The LED bulbs are installed on the plate's surface. The software is the graphic user interface and image processing. The main steps of image processing are determining of color component, multilevel threshold and noise reduction by using morphology. The experiment can identify the color of colonies in 5 colors which are black, white, pink, purple and cream. The result of experiment has average error about 2.3% and it takes the less time to process compared with the experts. The device can be applied to biological laboratory by the small and portability.


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