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Image processing method and device

A processing method and technology of a processing device are applied in the field of medical imaging to achieve the effects of convenient viewing and improved accuracy

Active Publication Date: 2019-04-02
SHENZHEN BASDA MEDICAL APP
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Problems solved by technology

[0005] The purpose of the present invention is to provide an image processing method and device, aiming to solve the problem that artifacts in diffusion weighted imaging cannot be avoided in the prior art

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Embodiment Construction

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] An embodiment of the present invention provides an image processing method, figure 2 It is a flowchart of an image processing method in an embodiment of the present invention. Such as figure 2 As shown, the method includes steps S202 to S206.

[0021] Step S202, acquiring the brightness value of each pixel in the original image.

[0022] Images are composed of pixels, so after the original image is obtained, the brightness value of each pixel in the image can be further obtained.

[0023] image 3 is a schematic diagram of the luminance values ​​of so...

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Abstract

The present invention provides an image processing method and device. The method includes: obtaining the brightness value of each pixel point in the original image; determining the artifacts in the original image based on the brightness values ​​of a plurality of the pixel points, Wherein, the pixel points in the artifact satisfy preset conditions; the artifact is processed to obtain a corrected image. The present invention determines the location of the artifact through the brightness value, corrects the artifact through the average value of the brightness value, and obtains a corrected image with better quality, thereby facilitating the doctor's viewing of the image and thereby improving the accuracy of diagnosis.

Description

technical field [0001] The invention relates to the field of medical imaging, in particular to an image processing method and device. Background technique [0002] Diffusion-weighted imaging is a magnetic resonance imaging technique that collects signals on one line in each time period. If the patient moves while collecting a certain line, it will make this acquisition signal abnormal, so the final image will be Some linear artifacts (black or bright lines) are randomly generated, which will affect the doctor's diagnostic image. [0003] The existing technology generally avoids artifacts by reducing the movement of the patient, such as plugging the cushion between the coil and the patient, or fixing the patient by other methods, but this method is difficult to completely eliminate the artifacts, such as eyeball rotation, swallowing, Internal movements such as breathing cannot be restricted, and restraints can be uncomfortable for the patient. figure 1 Raw images for state-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
CPCG06T2207/10072G06T2207/30004G06T5/73
Inventor 张栋
Owner SHENZHEN BASDA MEDICAL APP
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