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Method and device of correcting Gamma curve of display based on DICOM curve

A display and curve technology, applied to static indicators, instruments, etc., can solve the problem that the Gamma curve cannot be calibrated accurately

Inactive Publication Date: 2017-09-08
GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above situation, it is necessary to provide a method for calibrating the Gamma curve of the display based on the DICOM curve for the problem that the Gamma curve of the display in the prior art cannot be calibrated accurately

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  • Method and device of correcting Gamma curve of display based on DICOM curve
  • Method and device of correcting Gamma curve of display based on DICOM curve
  • Method and device of correcting Gamma curve of display based on DICOM curve

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Embodiment Construction

[0035] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0036] These and other aspects of embodiments of the invention will become apparent with reference to the following description and drawings. In these descriptions and drawings, some specific implementations of the embodiments of the present invention are specifically disclosed to represent some ways of implementing the principles of the embodiments of the present invention, but it should be understood that the scope of the embodiments of the present invention is not limited by this limit. On the contrary, the embodiments of the present...

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Abstract

The present invention relates to a method and device of correcting a Gamma curve of a display based on a DICOM curve. The method comprises correcting the R, G and B parameters of the gray scale pictures every two of which have m intervals of the display, and a R, G and B parameter correction step comprises obtaining the x, y and Y values of the current gray scale picture displayed in the display and read by a sensor, wherein the x and y values are the color temperature coordinate values, and the Y value is a brightness value; calculating the difference values of the x, y and Y values of the current gray scale picture with the target x, y and Y values, and determining whether the difference values are all less than or equal to the corresponding threshold values, wherein the target x and y values are the standard color temperature values under a preset color temperature, and the target Y value is a brightness value corresponding to the current scale in a DICOM standard curve; if not, calculating the R, G and B parameter increments according to the difference values, and according to the R, G and B parameter increments, correcting the R, G and B parameters of the display, and returning to the first step.

Description

technical field [0001] The invention relates to the technical field of displays, in particular to a method and device for calibrating a Gamma curve of a display based on a DICOM curve. Background technique [0002] Medical displays and high-definition and high-brightness displays used in the medical industry are used in various digital imaging equipment such as DR, CR, multi-row CT, and 3D images. Studies have shown that human eyes have obvious differences in the ability to distinguish different brightnesses. A large number of traditional experimental statistics have standardized an international standard gray-scale brightness curve, which is called the standard DICOM curve. By introducing the change of visual response to brightness into the image display of professional medical monitors, the ability of doctors to diagnose lesions in medical images is improved. Generally, professional medical monitors must support the DICOM PART14 standard, that is to say, they must have th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20
CPCG09G3/2007G09G2320/0276
Inventor 陈啟俊
Owner GUANGZHOU SHIYUAN ELECTRONICS CO LTD
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