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Method and device for recognizing tuberculosis bacillus

A technology of Mycobacterium tuberculosis and identification method, applied in the field of microbial identification, can solve the problems of long time and cumbersome process.

Inactive Publication Date: 2019-01-04
KONFOONG BIOTECH INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is necessary to continuously switch between the low-magnification objective lens and the high-magnification objective lens, resulting in a cumbersome process and a long time-consuming process.

Method used

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  • Method and device for recognizing tuberculosis bacillus
  • Method and device for recognizing tuberculosis bacillus
  • Method and device for recognizing tuberculosis bacillus

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0067] Example 1, the method used in the embodiment of the present invention is compared with the existing technique of scanning the sputum smear of Mycobacterium tuberculosis using only a low power objective lens, if all use a 20 times objective lens to scan the sputum smear of Mycobacterium tuberculosis For scanning, the exposure time of the cameras used by the two methods may be the same, and then the time for scanning the sputum smear of Mycobacterium tuberculosis in the two methods is approximately the same. However, only a 20-fold digital picture is obtained by scanning the sputum smear of Mycobacterium tuberculosis with a 20-fold objective lens, while the embodiment of the present invention can obtain a 40-fold digital picture, which is more conducive to observation.

example 2

[0068] Example 2, the method used in the embodiment of the present invention is compared with the existing technique of scanning the sputum smear of Mycobacterium tuberculosis only using a high-power objective lens. If the high-power objective lens is a 40-fold objective lens, when the 40-fold objective lens is used to scan the sputum smear of Mycobacterium tuberculosis, the exposure time of the camera used is the exposure time of the camera when scanning with a 20-fold objective lens twice as much. Therefore, when only using a 40x objective lens for scanning, although a clear picture can be obtained, it is more time-consuming compared with the technical solution of the present invention due to the longer exposure time of the camera used. If a digital picture with the same magnification is obtained, the time required to scan the sputum smear of Mycobacterium tuberculosis using only a 40 times objective lens is twice the time required by the solution provided by the embodiment ...

example 3

[0069] Example 3, the method used in the embodiment of the present invention is compared with the existing technology of using a low-magnification objective lens to perform rough scanning on the sputum smear of Mycobacterium tuberculosis and using a high-power objective lens to perform fine scanning on the sputum smear of Mycobacterium tuberculosis. First, compare the required time. The time required for a rough scan of a sputum smear of Mycobacterium tuberculosis with a low-magnification objective is t, and the time required for a fine scan of a sputum smear of Mycobacterium tuberculosis with a high-power objective is x , the total time required is t+x. The value of x is determined by the result of the rough scan. If there are many places where fine scan is required, the value of x will be larger, and if there is almost no fine scan, the value of x will be smaller. However, the time required for the technical solution provided by the embodiment of the present invention is app...

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Abstract

The embodiment of the invention provides a method and a device for identifying the tuberculosis bacillus, which relate to the field of microorganism identification. Digital images are obtained by scanning sputum smears of Mycobacterium tuberculosis with a Mycobacterium tuberculosis scanner. A magnify digital picture obtained by enlarge that digital picture is compared with a sample picture of conjugated bacilli in a preset tuberculosis bacillus database. When the scanner scans the sputum smear of Mycobacterium tuberculosis to obtain a digital picture, only one objective lens is used to scan the digital picture, and the digital picture is enlarged to obtain an enlarged digital picture. The whole process does not require the use of a higher objective lens, and there is no switching back andforth between high and low objective lenses, and the process is relatively simple, and the whole scanning process uses only one objective lens to scan, saving time.

Description

technical field [0001] The invention relates to the field of microorganism identification, in particular to a method and device for identifying Mycobacterium tuberculosis. Background technique [0002] As early as the last century, it has been proved that Mycobacterium tuberculosis is the pathogen of tuberculosis, and tuberculosis caused by Mycobacterium tuberculosis invasion into the human body is a highly contagious chronic wasting disease. It is not affected by age, gender, race, occupation, and region. Many organs and systems of the human body can suffer from tuberculosis, among which tuberculosis is the most common. More than 90% of tuberculosis is transmitted through the respiratory tract. Tuberculosis patients cough, sneeze, talk and laugh loudly, so that droplets with Mycobacterium tuberculosis are ejected from the body. Healthy people become infected when they inhale the TB bacilli. [0003] Cultivating and observing the identification of combined bacilli is a wa...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V20/695G06V20/698
Inventor 刘炳宪谢菊元王焱辉王克惠徐春锋
Owner KONFOONG BIOTECH INT
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