CN112712775A - Automatic adjusting method and device for display screen of defibrillator - Google Patents
Automatic adjusting method and device for display screen of defibrillator Download PDFInfo
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- CN112712775A CN112712775A CN202011547462.7A CN202011547462A CN112712775A CN 112712775 A CN112712775 A CN 112712775A CN 202011547462 A CN202011547462 A CN 202011547462A CN 112712775 A CN112712775 A CN 112712775A
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- display screen
- defibrillator
- ambient
- illumination
- ambient light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention discloses an automatic adjusting method and device for a display screen of a defibrillator, which are used for acquiring ambient light to obtain ambient light data; extracting the ambient illumination data to obtain the illumination and the hue parameter of the ambient illumination; adjusting the brightness of a display screen of the defibrillator according to the illumination parameter of the ambient light, and adjusting the tone of the display screen of the defibrillator according to the tone parameter of the ambient light; and synthesizing the backlight of the display screen of the defibrillator according to the adjusted brightness and tone of the display screen of the defibrillator. The invention solves the problem of interference of ambient illumination on an operator in the rescue process, improves the difference between the display screen and the environment from two dimensions of brightness and color tone, is convenient for the operator to better clearly see the content of the display screen, and improves the rescue success rate.
Description
Technical Field
The invention relates to the field of defibrillators, in particular to an automatic adjusting method and device for a display screen of a defibrillator.
Background
Sudden death is one of the biggest challenges facing human and medicine in this century, sudden cardiac death is related to arrhythmia, and timely and effective electrical defibrillation is the most important emergency treatment for recovering the life of sudden cardiac death patients.
Defibrillation occurs frequently in complex environments, including light-complex environments such as train stations, airports, stadiums, and the like. Emergency treatment is performed in these environments, and ambient lighting can interfere with the operator's viewing of the instructional images of the defibrillator's display screen, thereby affecting the efficiency and success of the emergency treatment.
The prior art adjusts the brightness of the display screen of the defibrillator according to ambient light, but the brightness is only one element of the display screen and cannot achieve good effect. On one hand, in an extremely intense environment, the ambient illumination is already very high, and the brightness of the display screen of the device has an upper limit; on the other hand, the other element of the display screen, namely the color tone, can obviously improve the visual effect in a differentiation mode.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems, the invention discloses an automatic adjusting method and device for a display screen of a defibrillator, which are used for collecting ambient light, respectively extracting the illumination and the hue parameter of the ambient light, adjusting the brightness of the display screen of the defibrillator according to the illumination parameter of the ambient light, adjusting the hue of the display screen according to the hue parameter of the ambient light, and synthesizing the backlight of the display screen of the defibrillator according to the adjusted brightness and hue of the display screen of the defibrillator.
The technical scheme is as follows: in order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows: an automatic adjusting method for a display screen of a defibrillator comprises the following steps:
collecting ambient light to obtain ambient light data;
extracting the ambient illumination data to obtain the illumination and the hue parameter of the ambient illumination;
adjusting the brightness of a display screen of the defibrillator according to the illumination parameter of the ambient light, and adjusting the tone of the display screen of the defibrillator according to the tone parameter of the ambient light;
and synthesizing the backlight of the display screen of the defibrillator according to the adjusted brightness and tone of the display screen of the defibrillator.
Further, the collecting of the ambient illumination is performed in a frequency spectrum range of visible light spectrum.
Further, the extracting the ambient light data to obtain the illuminance and the hue parameter of the ambient light includes:
extracting the maximum value of the amplitude of the ambient light signal within a period of time, and calculating the average value to obtain the average illumination of the ambient light signal within a period of time as an ambient illumination parameter;
and performing Fourier transform on the ambient illumination signal, and defining the frequency corresponding to the 1 st high point of the transformed peak value as the dominant frequency of the ambient illumination as an ambient tone parameter.
Further, the adjusting of the brightness of the display screen of the defibrillator according to the illumination parameter of the ambient light and the adjusting of the color tone of the display screen of the defibrillator according to the color tone parameter of the ambient light comprises the following steps:
setting the brightness of a display screen of the defibrillator according to the ambient illumination parameter by a preset arithmetic method, so that the brightness of the display screen of the defibrillator is higher than the ambient illumination, and taking the adjusted brightness as the brightness of the display screen of the defibrillator;
carrying out frequency spectrum shifting on the environment hue parameters, and shifting the dominant frequency of the display screen to cyan when the dominant frequency of the environment illumination is red; when the dominant frequency of the environmental illumination is green, moving the dominant frequency of the display screen to purple; when the dominant frequency of the ambient illumination is blue, moving the dominant frequency of the display screen to yellow; the dominant frequency of the display screen is far away from the dominant frequency of the ambient illumination, the dominant hue of the display screen is opposite to the dominant hue of the ambient illumination, and the shifted hue is used as the hue of the display screen of the defibrillator.
An automatic adjusting device for a display screen of a defibrillator comprises an ambient light collecting module, a display module and a control module, wherein the ambient light collecting module is used for collecting ambient light around the defibrillator to obtain ambient light data;
the ambient illumination data extraction module is used for extracting ambient illumination data to obtain illumination and tone;
the defibrillator display screen adjusting module is used for adjusting the defibrillator display screen, and comprises the steps of adjusting the brightness of the display screen according to the illumination parameter of the ambient light and adjusting the color tone of the display screen according to the color tone parameter of the ambient light;
and the defibrillator display screen backlight synthesis module synthesizes the defibrillator display screen backlight according to the adjusted defibrillator display screen brightness and tone.
Further, the ambient lighting data extraction module includes an ambient illuminance extraction unit and an ambient hue extraction unit.
Further, the defibrillator display screen adjusting module comprises a defibrillator brightness adjusting unit and a defibrillator tone adjusting unit.
Has the advantages that: according to the invention, through collecting two dimensions of brightness and color tone and adjusting the display screen of the defibrillator, the difference degree of the device display screen and ambient illumination is improved, the interference of the ambient illumination to an operator in the rescue process is solved, the operator can better see the content of the display screen clearly, and the rescue success rate is improved.
Drawings
Fig. 1 is a flow chart of a method for automatic adjustment of a defibrillator display screen of the present invention.
Fig. 2 is a flow chart of adjusting brightness.
Fig. 3 is a flow chart for adjusting hue.
Fig. 4 is a three primary color composition diagram.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, the method for automatically adjusting the display screen of the defibrillator according to the present invention comprises the steps of:
(S1) collecting ambient illumination to obtain ambient illumination data including ambient illumination and color tone;
wherein the spectral range in which the ambient illumination is collected is the visible spectrum.
(S2) extracting the ambient illumination data to obtain the illumination and the hue parameter of the ambient illumination;
and extracting the maximum value of the amplitude of the ambient light signal within a period of time, and calculating the average value to obtain the average illumination of the ambient light signal within a period of time as an ambient illumination parameter.
And performing Fourier transform on the ambient illumination signal, and defining the frequency corresponding to the 1 st high point of the transformed peak value as the dominant frequency of the ambient illumination as an ambient tone parameter.
(S3) adjusting the brightness of the display screen of the defibrillator according to the illumination parameter of the ambient light, and adjusting the tone of the display screen of the defibrillator according to the tone parameter of the ambient light;
and setting the brightness of the display screen of the defibrillator according to the ambient illumination parameter by a preset arithmetic method, so that the brightness of the display screen of the defibrillator is higher than the ambient illumination, and taking the adjusted brightness as the brightness of the display screen of the defibrillator.
Carrying out frequency spectrum shifting on the environment hue parameters, and shifting the dominant frequency of the display screen to cyan when the dominant frequency of the environment illumination is red; when the dominant frequency of the environmental illumination is green, moving the dominant frequency of the display screen to purple; when the dominant frequency of the ambient illumination is blue, moving the dominant frequency of the display screen to yellow; the dominant frequency of the display screen is far away from the dominant frequency of the ambient illumination, the dominant hue of the display screen is opposite to the dominant hue of the ambient illumination, and the shifted hue is used as the hue of the display screen of the defibrillator.
(S4) synthesizing a defibrillator display screen backlight based on the adjusted defibrillator display screen brightness and color tone.
As shown in fig. 2, the step of adjusting the brightness of the defibrillator display screen is:
(S11) inputting an ambient illuminance parameter as a;
(S12) setting the brightness of the display screen according to a preset arithmetic method for the ambient illumination parameter to obtain brightness B, wherein the brightness B of the display screen is higher than the ambient illumination A, and the adjusted brightness B is used as the brightness of the display screen;
wherein, B is kA + X, X is more than 0, k is the conversion relation between the ambient illumination and the brightness of the display screen in the system, the illumination is the luminous flux of the received visible light in unit area, the unit is Lux, the brightness is the luminous intensity in unit projection area, and the unit is candela (cd/m)2)。
(S13) obtaining the brightness of the display screen of the defibrillator, and amplifying the preset backlight intensity in a same ratio according to the brightness of the display screen of the defibrillator.
As shown in fig. 3, the step of adjusting the color tone of the defibrillator display screen is:
(S21) inputting an ambient hue parameter;
(S22) carrying out frequency spectrum shifting on the environment hue parameters, and shifting the dominant frequency of the display screen to cyan if the dominant frequency of the environment illumination is red; when the dominant frequency of the environmental illumination is green, moving the dominant frequency of the display screen to purple; when the dominant frequency of the ambient illumination is blue, moving the dominant frequency of the display screen to yellow; the dominant frequency of the display screen is far away from the dominant frequency of the ambient illumination, the dominant hue of the display screen is opposite to the dominant hue of the ambient illumination, and the shifted hue is used as the hue of the display screen of the defibrillator;
the frequency range of visible light, red light 405-. As shown in fig. 4, the opposite color of the red light is cyan light, and the frequency range of the cyan light is 600-. Similarly, if the dominant frequency of the ambient light is at 530- & gt 600THz, it is moved to 680- & gt 790THz, and if the dominant frequency of the ambient light is at 620- & gt 680THz, it is moved to 510- & gt 530 THz.
(S23) obtaining a defibrillator display screen tone.
After the brightness and the tone of the display screen of the defibrillator are obtained respectively, the two parameters are synthesized, and the backlight of the display screen of the defibrillator which is expected to be displayed is obtained.
The automatic adjusting device for the display screen of the defibrillator comprises an ambient light collecting module, a display module and a control module, wherein the ambient light collecting module is used for collecting ambient light around the defibrillator to obtain ambient light data; the ambient illumination data extraction module is used for extracting ambient illumination data to obtain illumination and tone; the defibrillator display screen adjusting module is used for adjusting the defibrillator display screen, and comprises the steps of adjusting the brightness of the display screen according to the illumination parameter of the ambient light and adjusting the color tone of the display screen according to the color tone parameter of the ambient light; and the defibrillator display screen backlight synthesis module synthesizes the defibrillator display screen backlight according to the adjusted defibrillator display screen brightness and tone.
The ambient light data extraction module comprises an ambient light extraction unit and an ambient hue extraction unit.
The defibrillator display screen adjusting module comprises a defibrillator brightness adjusting unit and a defibrillator tone adjusting unit.
Claims (7)
1. An automatic adjusting method for a display screen of a defibrillator is characterized by comprising the following steps:
collecting ambient light to obtain ambient light data;
extracting the ambient illumination data to obtain the illumination and the hue parameter of the ambient illumination;
adjusting the brightness of a display screen of the defibrillator according to the illumination parameter of the ambient light, and adjusting the tone of the display screen of the defibrillator according to the tone parameter of the ambient light;
and synthesizing the backlight of the display screen of the defibrillator according to the adjusted brightness and tone of the display screen of the defibrillator.
2. The defibrillator display screen autoregulation method of claim 1, wherein the collected ambient light is in a spectral range of visible light spectrum.
3. The method for automatically adjusting the display screen of the defibrillator according to claim 1, wherein the step of extracting the ambient light data to obtain the illuminance and the hue parameters of the ambient light comprises the steps of:
extracting the maximum value of the amplitude of the ambient light signal within a period of time, and calculating the average value to obtain the average illumination of the ambient light signal within a period of time as an ambient illumination parameter;
and performing Fourier transform on the ambient illumination signal, and defining the frequency corresponding to the 1 st high point of the transformed peak value as the dominant frequency of the ambient illumination as an ambient tone parameter.
4. The method for automatically adjusting the display screen of the defibrillator according to claim 1, wherein the method for adjusting the brightness of the display screen of the defibrillator according to the illuminance parameter of the ambient light and adjusting the color tone of the display screen of the defibrillator according to the color tone parameter of the ambient light comprises the following steps:
setting the brightness of a display screen of the defibrillator according to the ambient illumination parameter by a preset arithmetic method, so that the brightness of the display screen of the defibrillator is higher than the ambient illumination, and taking the adjusted brightness as the brightness of the display screen of the defibrillator;
carrying out frequency spectrum shifting on the environment hue parameters, and shifting the dominant frequency of the display screen to cyan when the dominant frequency of the environment illumination is red; when the dominant frequency of the environmental illumination is green, moving the dominant frequency of the display screen to purple; when the dominant frequency of the ambient illumination is blue, moving the dominant frequency of the display screen to yellow; the dominant frequency of the display screen is far away from the dominant frequency of the ambient illumination, the dominant hue of the display screen is opposite to the dominant hue of the ambient illumination, and the shifted hue is used as the hue of the display screen of the defibrillator.
5. An automatic adjusting device for a display screen of a defibrillator is characterized by comprising
The ambient light acquisition module is used for acquiring ambient light around the defibrillator to obtain ambient light data;
the ambient illumination data extraction module is used for extracting ambient illumination data to obtain illumination and tone;
the defibrillator display screen adjusting module is used for adjusting the defibrillator display screen, and comprises the steps of adjusting the brightness of the display screen according to the illumination parameter of the ambient light and adjusting the color tone of the display screen according to the color tone parameter of the ambient light;
and the defibrillator display screen backlight synthesis module synthesizes the defibrillator display screen backlight according to the adjusted defibrillator display screen brightness and tone.
6. The defibrillator display screen automatic adjustment device of claim 5, wherein the ambient lighting data extraction module comprises an ambient lighting extraction unit and an ambient hue extraction unit.
7. The defibrillator display screen automatic adjustment device of claim 5, wherein the defibrillator display screen adjustment module comprises a defibrillator brightness adjustment unit and a defibrillator tone adjustment unit.
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| CN202011547462.7A CN112712775A (en) | 2020-12-24 | 2020-12-24 | Automatic adjusting method and device for display screen of defibrillator |
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