A nanoparticle size measurement method based on an improved Mask R-CNN

A nanoparticle and measurement method technology, applied in the field of deep learning and image processing, can solve problems such as poor robustness, difficult design, and complicated steps, and achieve the effects of accelerating convergence, improving classification accuracy, and improving training speed
CN109948712AInactive Publication Date: 2019-06-28TIANJIN POLYTECHNIC UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TIANJIN POLYTECHNIC UNIV
Publication Date
2019-06-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a Mask R-based on improvement. The invention discloses a CNN nanoparticle size measurement method. The method comprises the following steps: 1) collecting spherical and rodlikenanoparticle images to make a data set; 2) improving Mask R- CNN and training, using improved Mask R- The CNN is used for segmenting the nanoparticles; 3) performing pixel calibration to obtain an actual size corresponding to each pixel in the image; 4) fitting the nano-particle boundary; And 5) measuring particle size parameters of the particles. According to the method, a deep learning technology is utilized, a model can be trained under the condition of a large sample, particle characteristics in an image can be automatically extracted, a complex target segmentation problem is converted into weight parameters, the steps are simple, the robustness is high, the problem that a traditional method is inaccurate in segmentation is solved, and the accuracy of nano particle measurement is improved.
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Description

Technical field

[0001] The invention relates to a nano particle size measurement method based on an improved Mask R-CNN, which is used for the measurement of nano particle size and is more accurate than traditional algorithms in terms of accuracy and belongs to the field of image processing and deep learning. Background technique

[0002] Nanotechnology is widely used in industries such as catalysis science, medical drugs, new materials, power industry and composite materials, and has an important position in the entire high-tech field. Since many characteristics of nanomaterials have an important relationship with their particle size, shape and other microstructures, the characterization of the microstructure of nanomaterials is important for understanding the characteristics of nanomaterials, seeking application fields of nanomaterials, and promoting the development of nanomaterials. An important role, and the size measurement of nanoparticles is the key technology. At present...

Claims

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