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A PNG format bearing method of dicom image raw data

A raw data and image technology, applied in medical image data management, medical data management, medical images, etc., can solve the problems of large development workload, long time consumption, large memory resources, etc., and achieve good adaptability and decompression speed. Fast, high compression effect

Active Publication Date: 2018-01-09
宁波市科技园区明天医网科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the images compressed by the traditional DICOM compression algorithm not only require a large amount of calculation when decompressed and displayed on the client side, but also cause huge pressure on smart mobile terminals with limited computing power (for example, images compressed by JPEG2000 can be decompressed on the Web side using Javascript It takes a long time and huge memory resources); and for cross-platform applications, the development workload of DICOM image format analysis, image processing algorithms, image display, etc. is heavy and difficult to maintain

Method used

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  • A PNG format bearing method of dicom image raw data
  • A PNG format bearing method of dicom image raw data
  • A PNG format bearing method of dicom image raw data

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Experimental program
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Embodiment

[0025] Such as figure 1 As shown, the PNG format bearing method of DICOM image raw data provided by this embodiment includes the following steps:

[0026] Step S1: Load the DICOM image, and parse out the file header information and pixel data of the DICOM image;

[0027] Step S2: Construct a PNG image with the same width and height as the DICOM image;

[0028] Step S3: Obtain the color type of the DICOM image from the file header information of the DICOM image. The color type includes 4 types, and the first type is the image of RGB and ARGB color types.

[0029] The second category is the PALETTECOLOR color image,

[0030] The third category is images of HSV, CMYK, YBRFULL, YBRFULL422, YBRPARTIAL422 color types,

[0031] The fourth category is MONOCHROME1, MONOCHROME2 color type images;

[0032] Step S4, if it is an image of RGB or ARGB color type, directly assign the DICOM pixel matrix to the pixel matrix of the PNG image;

[0033] Step S5. If it is an image of PALETTECOLOR color type, as...

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Abstract

The invention discloses a PNG format bearing method for DICOM image original data. The method comprises the following steps that firstly, a DICOM image is loaded, and file head information and pixel data of the DICOM image are analyzed; then a PNG image is constructed, and the color type of the DICOM image is extracted from the file head information of the DICOM image, and the PNG format image is generated according to different color types. The pixel data of the DICOM image is borne through the format of the PNG image, and therefore the pixel data has the lossless compression characteristic and can be fast decompressed and restored on a cross-platform client side. The method has the advantages of achieving lossless compression and being high in compression rate and high in decompression speed, and cross-platform client side decompression support is friendly.

Description

Technical field [0001] The invention relates to a hospital and regional medical image processing system, in particular to a PNG format carrying method of DICOM image raw data applied to the transmission and processing of medical images on mobile devices and the Internet. Background technique [0002] With the rapid development of the current level of medical information technology, especially in the fields of telemedicine and mobile medicine, medical diagnosis and treatment activities based on digital medical information have gone beyond the internal scope of the hospital under the local area network environment, and expanded to private networks, wide area networks and wireless networks The scope of regional collaborative medical care between hospitals and regions in the application environment. The medical image storage and transmission system (PACS) application platform has expanded from Windows and Linux to application platforms based on mobile operating systems such as IOS, A...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G16H30/20
CPCG06F19/321
Inventor 陈定苗简刚唐武斌
Owner 宁波市科技园区明天医网科技有限公司