A method for adaptively generating the default window width and level of dicom images

An adaptive, window-width technology, applied in medical images, healthcare informatics, instruments, etc., can solve problems such as increased grayscale differences

Active Publication Date: 2021-05-14
南京景三医疗科技有限公司
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Problems solved by technology

When the window width is reduced, the displayed tissue structure decreases, but the gray level difference between each structure increases

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  • A method for adaptively generating the default window width and level of dicom images
  • A method for adaptively generating the default window width and level of dicom images
  • A method for adaptively generating the default window width and level of dicom images

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Embodiment Construction

[0041] The present invention will be further illustrated below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0042] Such as figure 1 As shown, the embodiment of the present invention provides a method for adaptively generating the default window width and window level of DICOM images, including:

[0043] Step 1: Acquire medical image data. Specifically, the original image data of the above-mentioned medical images may be the original image data collected by medical image acquisition equipment (such as CT, etc.), or it may be the image data generated after processing the original image data during the medical image processing process. , or other image sources.

[0044] Step 2: Calculate the m...

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Abstract

The invention discloses a method for adaptively generating the default window width and level of DICOM images. The method includes acquiring medical image data; calculating the maximum value and minimum value of image grayscale; constructing a grayscale histogram of the image according to the maximum value and minimum value of image grayscale; calculating all peak areas in the grayscale histogram; The area corresponds to the best histogram peak area; calculate the best display gray value interval of the image according to the best histogram peak area, and calculate the best window width and best window level according to the best display gray value interval of the image; will calculate The optimal window width and optimal window level are written into the DICOM image file as the default window width and level. The present invention can efficiently obtain the optimal window width and optimal window level of DICOM images without complicated calculations, and write them into the DICOM file as the default window width and level, so that the image display is obviously clearer and conforms to the image reading Habit.

Description

technical field [0001] The invention relates to the technical field of medical image generation, in particular to a method for adaptively generating a default window width and level of a DICOM image. Background technique [0002] DICOM files refer to medical files stored in accordance with the DICOM (Digital Imaging Communications in Medicine) standard. The main component of a DICOM file is the collection of data. This includes not only medical images, but also many information related to medical images, such as patient name, image size, etc. The window width and window level is one of the very important information. [0003] The window width is the range of CT values ​​displayed on the CT image, and the tissues and lesions within this range of CT values ​​are displayed in different simulated grayscales. Tissues and lesions with CT values ​​higher than this range, no matter how much higher the degree is, are displayed as white shadows, and there is no gray difference; on ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G16H30/20G06F9/451
CPCG16H30/20G06F9/451
Inventor 曾智敏滕忠照沈金花
Owner 南京景三医疗科技有限公司
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