A Nanoparticle Size Measurement Method Based on Partial Differential Equation
A partial differential equation and nanoparticle technology, which is applied in the field of measurement of nanoparticle size, can solve problems such as unsatisfactory image segmentation effects, achieve automatic analysis and evaluation, good segmentation effects, and improve efficiency and accuracy
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[0055] The present invention will be further described in detail below in combination with specific embodiments.
[0056] Processing and analyzing nanoparticle images based on image processing technology is an important method for nanoparticle size measurement, and individual particle segmentation is a key step in particle size measurement. Due to the uneven gray scale of nanoparticles in TEM images, and the edges of some particles are weak, it is very important to accurately segment individual particles. In recent years, a branch of image processing methods for partial differential equations—the level set image segmentation method has become a research hotspot. This method implicitly represents the edge evolution curve as a zero level set of a higher-dimensional function. The level set function is in Under the control of partial differential equations, it evolves until the zero level set evolves to the target boundary of the image. This kind of evolution has many advantages,...
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