A method for rapidly counting bacterial colonies
A fast, colony-based technology, applied in the field of microbiology, can solve the problems of high cost, general promotion constraints, and lack of counting result inspection, etc., to achieve the effect of facilitating popularization and application and ensuring counting accuracy
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[0051] Such as figure 1 A kind of colony counting method shown is characterized in that, described method comprises the following steps:
[0052] Step 1: Use a digital camera to collect images of microbial colonies on the culture medium in the culture dish. The specific requirements are: the shooting angle is directly above the culture medium, and the background should be as uniform in color as possible, preferably in a color that has a large contrast with the color of the colonies. The resolution of the camera should not be less than 300,000 pixels (640*480). The higher the pixel, the better the effect. When shooting, while ensuring that the entire culture dish is captured, try to ensure that the culture medium is covered with the shooting range.
[0053] Step 2: Take the lower left corner of the image taken by the petri dish as the origin, establish a plane Cartesian coordinate system according to the actual size of the petri dish, and define the original image coordinates, ...
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