Biological image denoising algorithm based on statistical rule
An image and biological technology, which is applied in the field of optical microscopy and metrology microscopic imaging, can solve the problems of not meeting engineering needs and not being able to completely remove noise, and achieve the effect of improving the removal range and removal accuracy
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[0020] Specific implementation manner 1: The biological image denoising algorithm based on statistical laws in this embodiment includes three steps: selecting filter templates, cell edge and noise monitoring, and image denoising processing. The specific process is:
[0021] Step 1. Select a filter template: use a biological microscope to collect RGB images of biological cells, select a filter template that can separate the cells from isolated noise from the RGB image collected by the traversal biological microscope, and the selected filter templates are the mean filter template and Gaussian Filter template, RGB image is composed of a single cell and stray noise in the background area, or a cell group composed of multiple cells and stray noise in the background area;
[0022] Step 2. Cell edge and noise monitoring: Use the mean filter template and Gaussian filter template to traverse the entire collected biological cell image to determine the location of the biological cell edge and ...
Example Embodiment
[0026] Specific embodiment 2: This embodiment further explains the first embodiment. The specific process of using the mean filter template and the Gaussian filter template to traverse the entire biological cell image collected in step 2 to determine the edge position of the biological cell and the position of the isolated noise point is :
[0027] Use the mean filter template and the Gaussian filter template to traverse the entire collected biological cell image, use the Gaussian filter template in each area to obtain the filter threshold of the region, and then use the mean filter template to select the region greater than or based on the determined filter threshold. If the number is less than the filtering threshold, it is determined according to the number whether the traversed area is the isolated point noise position or the cell edge or internal position.
Example Embodiment
[0028] Specific embodiment three: This embodiment further explains the second embodiment. It is assumed that the brightness value threshold obtained by the Gaussian filter template is S=48. When the brightness value in the area traversed by the mean filter template is greater than S=48, the number exceeds the mean filter When the traversed area is located at the edge or inside of the cell when the template is 1 / 2, when the brightness value inside the area traversed by the mean filter template is greater than S=48 and does not exceed 1 / 2 of the mean filter template, this The traversed area is located at the outlier noise position.
[0029] In this embodiment, the location of the original image is selected to be filtered or retained according to the determined area division of the image, so as to achieve the effect of accurate filtering. The image effect after filtering according to this method is as follows: Figure 4 Shown.
[0030] In this embodiment, according to figure 2 with i...
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