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Extraction method for dimension shape characteristics of profiled fiber

A special-shaped fiber and extraction method technology, which is applied in image data processing, material inspection products, instruments, etc., can solve the problems of poor accuracy, strong dependence on subjective technical experience, and laborious, etc., and achieve the effect of high accuracy

Inactive Publication Date: 2009-07-22
DONGHUA UNIV
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Problems solved by technology

[0004] These two testing methods require manual operation by inspectors. The method is time-consuming, laborious, and has poor accuracy. It is highly dependent on the subjective technical experience of the inspectors. It is only suitable for measuring the degree of irregularity of known irregular-shaped fibers, and cannot be used for automatic detection of irregular-shaped fibers. Identification, Classification and Statistics

Method used

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  • Extraction method for dimension shape characteristics of profiled fiber
  • Extraction method for dimension shape characteristics of profiled fiber
  • Extraction method for dimension shape characteristics of profiled fiber

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Embodiment Construction

[0016] refer to figure 1 , which is a flow chart of the steps of the method for extracting special-shaped fibers of the present invention.

[0017] As shown in the figure, the control software of the image extraction equipment is used to control the stepping motors in the XYZ direction of the three-dimensional automatic stage through the serial port, so as to realize the movement control of the object platform in the horizontal and vertical directions, so that the optical microscope can work in the most optimal position. The best focus state is used to collect and classify the images.

[0018] First of all, it is necessary to automatically classify the special-shaped fibers, including image segmentation, chain code representation, triangle area (TAR) calculation, triangle negative area (TARN) representation, triangle positive area (TARP) representation, and special-shaped fiber classification. Then carry out image acquisition. Image acquisition is to collect the image content...

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Abstract

The invention relates to a method for extracting dimensional shape characteristics of profiled fibers; the stepper motor in XYZ direction of an automatic loading table is controlled through a series port to realize the mobile control in horizontal and vertical directions to cause an optical microscope to work in an optimum focusing state. The extracting method comprises the following steps: giving 'cross-sectional samples of the profiled fibers' and 'microscopes for assembling three-dimensional automatic loading table' to judge through 'continuous indirect image acquisition' and 'automatic focusing'; if not, returning to the 'continuous indirect image acquisition'; if yes, going to 'partial image acquisition', then returning to the 'continuous indirect image acquisition' until the partialimage acquisition is ended; going to 'big image splicing'; obtaining 'clear fiber image panoramagram'; carrying out 'image segmentation', 'chain code representation', 'TAR calculation', 'TARN extraction', 'TARP extraction', and 'fiber geometrical shape determination' on the acquired images; and at last, carrying out 'fiber classification and statistics'.

Description

technical field [0001] The invention relates to a method for extracting scale shape features of special-shaped fibers, and belongs to the technical field of shape feature detection of special-shaped fibers. Background technique [0002] The profiled fiber section is an important means of physical modification, which improves the wearability of synthetic fibers by simulating various forms of natural fibers. Various special-shaped cross-section fibers have been mass-produced abroad, and domestic research and mass production are also carried out. Among them, hollow, hollow special-shaped, triangular, trilobal, etc. have been widely used, and polygonal, multi-lobal, T-shaped, C-shaped, H-shaped , cross, flat, etc. have also been produced. The irregular cross-sectional shape of the shaped cross-section fiber endows the fabric with unique wearing and appearance properties. [0003] The characteristic parameters of the section are the main index to characterize the shape of the s...

Claims

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Application Information

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IPC IPC(8): G01N33/36G06K9/46G06T7/00G01B11/24
Inventor 唐莉萍曾培峰吴雄英
Owner DONGHUA UNIV
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