Pleura line identification method and system based on lung ultrasound

Abstract

The invention relates to a pleural line identification method and system based on lung ultrasound, and the method comprises the following steps: obtaining an ultrasound video of a lung region, and selecting k frames of ultrasound images kgt from the ultrasound video; 1; performing graying processing on each ultrasonic image to obtain a grey-scale map of each ultrasonic image; performing binarization processing on each grey-scale image to obtain a binarized image of each ultrasonic image, and performing pleura line positioning operation on each binarized image; and fusing the k binary images after completing the pleural line positioning operation to obtain a fused image, and carrying out global pleural line positioning operation on the fused image to obtain a pleural line region of the lung region in the fused image. Compared with the prior art, the method has the advantages that the multiple images are overlapped after the pleural line areas are recognized respectively, the pleural line areas of the video can be recognized more completely, and the influence of pleural line position floating caused by lung sliding is reduced.

Description

technical field [0001] The present invention relates to the technical field of pleural line identification, in particular to a lung ultrasound-based pleural line identification method and system. Background technique [0002] The pleura is the thin, smooth serous membrane that lines the inside of the chest wall and the surface of the lungs. In ultrasound detection, the strong echo reflection formed by the difference in acoustic impedance between the pleura and the lung surface interface appears smooth, clear, and regular linear strong echo under ultrasound, which is called the pleural line. During normal respiratory movement, the visceral pleura and the parietal pleura move relative to each other. At this time, a horizontal sliding sensation can be observed from the pleural line, which is called pleural sliding sign. [0003] The pleural line plays an important role in lung ultrasound. It is not only the interface between the chest wall and the lungs, but also related to th...

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Problems solved by technology

[0004] The detection and identification of the pleural line in the prior art mainly relies on the traditional doctor's judgment and visual ultrasonography. These technologies have many shortcomings, such as: low efficiency, pleural line is easy to be misidentified, and it is difficult to quantitatively evaluate the pleura, etc.

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