Full-automatic head circumference measuring method and device based on ultrasonic image for fetus

A technology of ultrasound images and measurement methods, which is applied in the directions of ultrasound/sound wave/infrasound image/data processing, image enhancement, image analysis, etc., and can solve the problem of long time, low accuracy and lack of clinical application of fetal ultrasound image measurement methods, etc. problem, to achieve the effect of improving detection speed and accuracy, and avoiding the work of image feature value extraction

Active Publication Date: 2019-11-15
JINAN UNIVERSITY
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, and provide a method and device for fully automatic measurement of fetal head circumference based on ultrasonic images, which can overcome the long time and low accuracy of the measurement method of fetal ultrasonic images in the prior art , Lack of defects in clinical application, has the advantages of fast and accurate

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  • Full-automatic head circumference measuring method and device based on ultrasonic image for fetus
  • Full-automatic head circumference measuring method and device based on ultrasonic image for fetus
  • Full-automatic head circumference measuring method and device based on ultrasonic image for fetus

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Embodiment 1

[0054] This embodiment discloses a fast and fully automatic measurement method for fetal head circumference based on two-dimensional ultrasonic images, such as figure 1 As shown, it mainly includes the following steps:

[0055] S1. Acquiring two-dimensional ultrasound images of the fetus and recording them as original images. After receiving the external starting signal, the ultrasonic diagnostic system starts to work, generates and displays the ultrasonic image of the fetus to be tested, and places the head circumference of the fetus in the middle of the image. A total of 500 ultrasound images were collected, and the size of each image was 768*512.

[0056] S2, build based on such as figure 2 The fully convolutional neural network shown is based on the full convolutional neural network for semantic segmentation of ultrasound images in fetal head ultrasound data, from which ROI regions are initially segmented.

[0057] In this embodiment, the step S2 includes the following...

Embodiment 2

[0095] Present embodiment except following feature other structures are with embodiment 1:

[0096] A kind of fetal head circumference automatic measurement device based on ultrasonic image, comprises steps:

[0097] An image acquisition module, configured to acquire a two-dimensional ultrasound image of the fetal head;

[0098] The model segmentation module is used to construct a fully convolutional neural network, perform semantic segmentation on the two-dimensional ultrasound image of the fetal head according to the fully convolutional neural network, and initially segment the ROI region;

[0099] Contour extraction module, is used for obtaining the contour of ROI area;

[0100] Contour fitting module, for carrying out ellipse fitting to the contour of the ROI area of ​​fetal head that contour extraction module extracts;

[0101] The fetal head circumference calculation module is used to calculate the length of the fetal head circumference according to the ellipse.

[01...

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Abstract

The invention discloses a full-automatic head circumference measuring method and device based on an ultrasonic image for a fetus. The method comprises the steps of S1, acquiring a two-dimensional ultrasound image of the head of the fetus; S2, constructing a full convolution neural network, carrying out semantic segmentation on the two-dimensional ultrasonic image of the head of the fetus accordingto the full convolution neural network, and preliminarily segmenting out an ROI region from the two-dimensional ultrasonic image; S3, acquiring the outline of the ROI region; S4, carrying out ellipsefitting on the outline of the ROI region of the head of the fetus; S5, calculating the head circumference length of the fetus according to the ellipse. The method is realized on the basis of a deep learning method and an image processing technology, the skull of the fetus in the ultrasonic image can be rapidly and accurately integrated, and the head circumference of the fetus can be calculated according to the corresponding relationship between pixels and actual length.

Description

technical field [0001] The invention relates to the fields of childbirth monitoring and ultrasonic image processing research, in particular to a method and device for fully automatic measurement of fetal head circumference based on ultrasonic images. Background technique [0002] B-mode ultrasonic diagnostic system is more and more used in medical diagnosis, especially in obstetrical examination, due to its advantages of non-invasiveness, low price and safety. Doctors can use B-ultrasound to detect various growth parameters in the process of fetal development, so as to achieve the purpose of eugenics. In the ultrasound images of obstetrical examination, the fetal head circumference is clearly displayed and easy to measure. By measuring the fetal head circumference, the fetal weight or gestational age can be estimated; therefore, the fetal head circumference is an important parameter to measure fetal growth and development. [0003] At present, clinicians mainly manually det...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08A61B8/00G06N3/04G06N3/08G06T7/00G06T7/11G06T7/12G06T7/181G06T7/187
CPCA61B8/0808A61B8/0866A61B8/5223G06T7/0012G06T7/11G06T7/12G06T7/181G06T7/187G06N3/084G06T2207/10132G06T2207/30044G06T2207/20104G06N3/045
Inventor 陆尧胜袁超周铭鸿齐建国杨梓铎黄晓聪
Owner JINAN UNIVERSITY
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