Method for extracting liver region in ultrasound image

An ultrasound image and a technology in the image, which is applied in the field of extracting the liver area in the ultrasound image, can solve the problems of large noise in the liver area and difficulty in extracting completeness, and achieve a good extraction effect

Active Publication Date: 2017-03-15
南通德泰信息科技有限公司
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Problems solved by technology

[0004] In order to overcome the problems in the prior art that the liver area in the ultrasound image is noisy and difficult to extract comp

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  • Method for extracting liver region in ultrasound image
  • Method for extracting liver region in ultrasound image
  • Method for extracting liver region in ultrasound image

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[0034] The present invention will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0035] Figure 1 to Figure 7 It schematically shows a method for extracting a liver region in an ultrasound image according to the present invention.

[0036] Such as figure 1 As shown, a method for extracting liver regions in ultrasound images disclosed in the present invention uses FCM algorithm and prior knowledge to control the connection of classification regions. However, FCM is only a clustering algorithm, so it needs to cooperate with other pre-processing and post-processing to complete the task of extracting liver regions. The following is the liver region extraction scheme proposed by the present invention.

[0037] Step 1: Preprocessing, specifically, processing the uneven illumination in the im...

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Abstract

The invention provides a method for extracting a liver region in an ultrasound image. The method is characterized by comprising the steps of: step 1, handling a situation of uneven illumination in the image, so that the brightness of the liver region in the image tends to be uniform; step 2, reducing noise in the image and completing image segmentation by using an FCM_I algorithm added with neighboring correlation information and priori shape information; step 3, acquiring a foreground region and a background region according to an FCM_I classification result and grey scale information; step 4, and acquiring an image of a complete liver region according to distribution and shapes of organs in a liver. The method for extracting the liver region in the ultrasound image provided by the invention improves the possible association of foreground pixels of the liver region, and reduces the association between the backgrounds of the liver region, thereby extracting the relatively complete liver region.

Description

technical field [0001] The invention relates to a method for extracting an image of an organ region in an ultrasound image, in particular to a method for extracting a liver region in an ultrasound image. Background technique [0002] Ultrasound examination is a technology that applies ultrasound to human body detection. It uses the human body to image the strength of ultrasound reflections, measure the shape and density of physiological or tissue structures, and find disease symptoms. Ultrasound has many advantages as a routine physical examination. First of all, it uses ultrasonic waves, which are harmless to the human body and are a safe means of inspection. On the contrary, the inspection using various rays has great harm to the human body. Secondly, the price of ultrasound examination is cheap, and the cost of an examination is usually tens of yuan, which is affordable by ordinary people. CT and MRI examinations are much more expensive. In addition, the detection acc...

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Application Information

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IPC IPC(8): G06T7/00G06T7/11
CPCG06T7/0012G06T2207/10132G06T2207/30056
Inventor 张晓峰吴辉群龚念梅王军程实丁红
Owner 南通德泰信息科技有限公司
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