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A method for evaluating the effect of modified asphalt based on image processing technology

A modified asphalt and image processing technology, which is applied in the preparation of test samples, material excitation analysis, fluorescence/phosphorescence, etc. First-class problems, to achieve the effect of reducing interference, measurable film thickness, and uniform and controllable temperature

Active Publication Date: 2020-12-25
FUZHOU UNIV
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Problems solved by technology

[0003] The sample preparation of polymer-modified asphalt will affect the observation results. The temperature and thickness of the film are the main factors affecting the observation of the dispersion state of polymer-modified asphalt. According to the current research, a polymer-modified asphalt can be used to Measurable film thickness uniform temperature control film production device and method to realize the preparation of standard samples; In addition, in fluorescence microscopy, image acquisition and image processing methods are different, and there is no unified standard
Even for the same method, the steps used by different researchers are quite different, which leads to huge differences in the morphological parameters of the polymer phase obtained after treatment, which affects the evaluation of the effect of polymer modified asphalt

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  • A method for evaluating the effect of modified asphalt based on image processing technology
  • A method for evaluating the effect of modified asphalt based on image processing technology
  • A method for evaluating the effect of modified asphalt based on image processing technology

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Embodiment Construction

[0044] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0045] Such as figure 1 As shown, this embodiment provides a method for evaluating the effect of modified asphalt based on image processing technology, which specifically includes the following steps:

[0046] Step S1: Make a polymer-modified asphalt sample with good observation effect, and obtain a fluorescent microscopic image under the observation of a fluorescent microscope;

[0047] Step S2: Perform binary image acquisition on the fluorescence microscopic image obtained in step S1: sequentially perform grayscale image acquisition, grayscale image denoising, grayscale image equalization, image filling, Ostu threshold segmentation, image open operation;

[0048] Step S3: Based on the binary image obtained in step S2, image feature parameters are extracted, and evaluation index values ​​are calculated, so as to judge the modification effect of polym...

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Abstract

The invention relates to an image handling technology based modified asphalt effect evaluation method. The method comprises the following steps: manufacturing a polymer modified asphalt sample sheet with good observing effect; observing under a fluorescence microscope to obtain a fluorescence microscopic image; acquiring a binary image of the fluorescence microscopic image obtained in step S1; sequentially carrying out gray level image obtaining, noise removing of a gray level image, balancing of the gray level image, image filling, Ostu threshold separating and image opening operation on thefluorescence microscopic image; extracting the image property parameters based on the binary image obtained in step S2; and calculating the valuation index number so as to determine the modification effect of the polymer modified asphalt. With the adoption of the method, the modifying effect of the polymer modified asphalt can be rapidly and efficiently determined; and the cost is low.

Description

technical field [0001] The invention relates to the field of battery testing, in particular to a method for evaluating the effect of modified asphalt based on image processing technology. Background technique [0002] With the continuous deepening of asphalt performance research at home and abroad, fluorescence microscopy technology has emerged as an auxiliary means to detect asphalt performance. Fluorescence microscopy can be used to conveniently and efficiently identify the distribution characteristics of the polymer phase in asphalt, and then determine the thermodynamic compatibility between asphalt and polymer, thereby judging the modification effect of polymer-modified asphalt. [0003] The sample preparation of polymer-modified asphalt will affect the observation results. The temperature and thickness of the film are the main factors affecting the observation of the dispersion state of polymer-modified asphalt. According to the current research, a polymer-modified asph...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/64G01N1/44
CPCG01N1/44G01N21/6402
Inventor 胡昌斌蒋振梁方月徐松张峰
Owner FUZHOU UNIV
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