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Automatic recognition method for optical microscopic images of metal sulfide minerals

A metal sulfide, automatic recognition technology, applied in character and pattern recognition, acquisition/recognition of microscopic objects, instruments, etc., can solve the problems of indistinguishable, the accuracy of mineral recognition cannot be guaranteed, etc., to achieve the effect of improving the accuracy.

Pending Publication Date: 2019-01-01
BEIJING MINING & METALLURGICAL TECH GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the wide variety of minerals in rock ore samples, the gray scale of many minerals is very close to each other after graying the color picture through binarization, which makes it difficult to distinguish the accuracy of mineral identification.
Therefore, so far, there is no successful development of a processing system for mineral microscopic images with good application effects.

Method used

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  • Automatic recognition method for optical microscopic images of metal sulfide minerals
  • Automatic recognition method for optical microscopic images of metal sulfide minerals

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Experimental program
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specific Embodiment approach

[0019] The automatic identification method of metal sulfide mineral optical microscopic image of the present invention, its preferred embodiment is:

[0020] Include the following steps:

[0021] Step 1. Place the prepared rock ore sample optical film on the stage of an optical microscope. The optical microscope is equipped with a CCD and connected to a computer, which can automatically shoot and store the rock ore sample mineral optical microscopic image;

[0022] Step 2. Turn on the power of the optical microscope and the CCD, and focus the light sheet of the sample according to the operating specifications of the optical microscope;

[0023] Step 3. After the focus is completed, use the CCD to automatically shoot the rock ore sample, and store the captured image in the computer;

[0024] Step 4, open the photographed image, measure the HSV value of each metal sulfide wherein, set up the HSV value database of metal sulfide, and implant it in the mineral automatic identifica...

specific Embodiment

[0030] Such as figure 1 As shown, an automatic identification method for optical microscopic images of metal sulfide minerals is used for automatic identification of prepared optical slices of rock ore samples containing various metal sulfides, which may include the following steps:

[0031] Step 1, preparing samples containing metal sulfides such as chalcopyrite, galena, sphalerite and pyrite into light sheets, and placing them on the stage of an optical microscope;

[0032] Step 2, using the CCD to photograph the metal sulfides in the light sheet, and storing the photographed mineral optical microscopic images in the computer;

[0033] Step 3, open the captured image, measure the HSV value of each metal sulfide in it, establish the HSV value database of metal sulfides such as chalcopyrite, galena, sphalerite and pyrite, and implant the database Into the automatic identification system of minerals, as the standard for automatic identification of metal sulfides;

[0034] Ste...

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Abstract

The invention discloses an automatic identification method for optical microscopic images of metal sulfide minerals. The prepared rock and mineral sample light sheet is placed on a stage of an opticalmicroscope. The HSV value of each metal sulfide in the image is measured by CCD, and the database of HSV value of metal sulfide is established as the standard of automatic identification of metal sulfide. The metallic sulfide particles are extracted from the samples and their HSV values are measured. According to the HSV value of the mineral particles in the image, the established mineral database is used as a standard to identify the mineral particles, and different minerals are painted with different pseudo-colors to show the difference, thus completing the automatic identification of metalsulphides. The method can effectively solve the problem that the mineral gray level is close to the difficult to distinguish, can accurately and effectively identify the metal sulfide of the rock andmineral samples, and can improve the accuracy of mineral identification.

Description

technical field [0001] The invention relates to an automatic identification of metal sulfides in rock ore samples, in particular to an automatic identification method of optical microscopic images of metal sulfide minerals. Background technique [0002] When conducting rock ore identification and process mineralogy research, it is first necessary to identify and identify minerals in rock ore samples. The commonly used method is for technicians to observe metal sulfides in rock ore samples through an optical microscope, and determine the type of minerals according to their optical characteristics. This way of working requires a high level of technical personnel, and because it is a manual operation, the efficiency is relatively low. [0003] In recent years, in order to improve the work efficiency of the identification and identification of metal sulfides in rock ore samples and reduce the dependence on technicians, the use of digital image analysis technology to automatical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/69G06V10/56
Inventor 肖仪武方明山
Owner BEIJING MINING & METALLURGICAL TECH GRP CO LTD
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