CN113360005A - Color cast adjusting method and related product - Google Patents
Color cast adjusting method and related product Download PDFInfo
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- CN113360005A CN113360005A CN202010144542.1A CN202010144542A CN113360005A CN 113360005 A CN113360005 A CN 113360005A CN 202010144542 A CN202010144542 A CN 202010144542A CN 113360005 A CN113360005 A CN 113360005A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/02—Detectors of external physical values, e.g. temperature
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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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
- G09G3/2003—Display of colours
Abstract
The embodiment of the application discloses a color cast adjusting method and a related product, which are applied to electronic equipment, wherein the electronic equipment comprises a gyroscope and a display screen, and the method comprises the following steps: detecting a target screen angle of the display screen through a gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane; determining a target display area of the display screen according to the target screen angle; and adjusting the color cast of the target display area, thus flexibly adjusting the color cast of the target display area according to the angle of the target screen aiming at the display screen with radian, thereby improving the display effect of the display screen.
Description
Technical Field
The application relates to the field of display control, in particular to a color cast adjusting method and a related product.
Background
With the widespread use of electronic devices (such as smart band, mobile phone, etc.), the electronic devices have more and more applications and more powerful functions, and the electronic devices are developed towards diversification and personalization, and become indispensable electronic products in the life of users.
At present, there is certain radian in the display screen on a lot of electronic equipment, for example the surface of the display screen on electronic equipment such as intelligent bracelet, intelligent wrist-watch is circular-arc, wears intelligent bracelet or intelligent wrist-watch back on the user's wrist, when the user looks over the display screen with lifting one's hand, looks from each angle, and the colour cast of its different radians is different to influence the display effect of display screen. For another example, the display screen of some electronic devices such as mobile phones and tablet computers also has a curved arc, so that a user views the display screen at different viewing angles, and color cast also has an influence on the display effect of the display screen.
Disclosure of Invention
The embodiment of the application provides a color cast adjusting method and a related product, which can adjust the color cast of a display screen with radian and optimize the display effect of the display screen.
In a first aspect, an embodiment of the present application provides a color shift adjustment method, which is applied to an electronic device, where the electronic device includes a gyroscope and a display screen, and the method includes the following steps:
detecting a target screen angle of the display screen through the gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane;
determining a target display area of the display screen according to the target screen angle;
and adjusting the color cast of the target display area.
In a second aspect, an embodiment of the present application provides a color shift adjusting device, which is applied to an electronic device, where the electronic device includes a gyroscope and a display screen, and the device includes:
the detection unit is used for detecting a target screen angle of the display screen through the gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane;
the determining unit is used for determining a target display area of the display screen according to the target screen angle;
and the adjusting unit is used for adjusting the color cast of the target display area.
In a third aspect, an embodiment of the present application provides an electronic device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for executing the steps in the first aspect of the embodiment of the present application.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program enables a computer to perform some or all of the steps described in the first aspect of the embodiment of the present application.
In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to perform some or all of the steps as described in the first aspect of the embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has the following beneficial effects:
according to the color cast adjusting method and the related product provided by the embodiment of the application, the target screen angle of the display screen is detected through the gyroscope, and the target screen angle is an included angle between the display screen and a horizontal plane; determining a target display area of the display screen according to the target screen angle; and adjusting the color cast of the target display area, thus flexibly adjusting the color cast of the target display area according to the angle of the target screen aiming at the display screen with radian, thereby improving the display effect of the display screen.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1A is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 1B is a schematic flowchart of a color shift adjustment method according to an embodiment of the present disclosure;
FIG. 1C is a schematic illustration of an exemplary embodiment of the present disclosure for detecting a target screen angle of a display screen;
fig. 1D is a scene schematic diagram of a display screen of a smart band viewed by a user according to an embodiment of the present application;
FIG. 1E is a schematic illustration showing a target display area of the display screen determined according to the target screen angle according to an embodiment of the present application;
fig. 1F is a schematic diagram illustrating a demonstration of adjusting color shift of a pixel point in a target display area according to an embodiment of the present disclosure;
FIG. 1G is a schematic illustration of an example of determining an angle of gaze offset provided by embodiments of the present application;
fig. 2 is a schematic flowchart of another color shift adjustment method provided in the embodiment of the present application;
fig. 3 is a schematic flowchart of another color shift adjustment method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a color shift adjustment apparatus according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The electronic device related to the embodiments of the present application may include various handheld devices, vehicle-mounted devices, wearable devices (smart watches, smart bracelets, wireless headsets, augmented reality/virtual reality devices, smart glasses), computing devices or other processing devices connected to wireless modems, and various forms of User Equipment (UE), Mobile Stations (MS), terminal devices (terminal device), and the like, which have wireless communication functions. For convenience of description, the above-mentioned devices are collectively referred to as electronic devices.
The following describes embodiments of the present application in detail.
Referring to fig. 1A, fig. 1A is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application, the electronic device 100 includes a storage and processing circuit 110, and a sensor 170 connected to the storage and processing circuit 110, where:
the electronic device 100 may include control circuitry, which may include storage and processing circuitry 110. The storage and processing circuitry 110 may include memory, such as hard drive memory, non-volatile memory (e.g., flash memory or other electronically programmable read-only memory used to form a solid state drive, etc.), volatile memory (e.g., static or dynamic random access memory, etc.), and so on, and embodiments of the present application are not limited thereto. Processing circuitry in storage and processing circuitry 110 may be used to control the operation of electronic device 100. The processing circuitry may be implemented based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, display driver integrated circuits, and the like.
The storage and processing circuitry 110 may be used to run software in the electronic device 100, such as an Internet browsing application, a Voice Over Internet Protocol (VOIP) telephone call application, an email application, a media playing application, operating system functions, and so forth. Such software may be used to perform control operations such as, for example, camera-based image capture, ambient light measurement based on an ambient light sensor, proximity sensor measurement based on a proximity sensor, information display functionality based on status indicators such as status indicator lights of light emitting diodes, touch event detection based on a touch sensor, functionality associated with displaying information on multiple (e.g., layered) display screens, operations associated with performing wireless communication functionality, operations associated with collecting and generating audio signals, control operations associated with collecting and processing button press event data, and other functions in the electronic device 100, to name a few.
The electronic device 100 may include input-output circuitry 150. The input-output circuit 150 may be used to enable the electronic device 100 to input and output data, i.e., to allow the electronic device 100 to receive data from an external device and also to allow the electronic device 100 to output data from the electronic device 100 to the external device. The input-output circuit 150 may further include a sensor 170. Sensor 170 may include the ultrasonic fingerprint identification module, may also include ambient light sensor, proximity sensor based on light and electric capacity, touch sensor (for example, based on light touch sensor and/or capacitanc touch sensor, wherein, touch sensor may be a part of touch display screen, also can regard as a touch sensor structure independent utility), acceleration sensor, and other sensors etc., the ultrasonic fingerprint identification module can be integrated in the screen below, or, the ultrasonic fingerprint identification module can set up in electronic equipment's side or back, do not do the restriction here, this ultrasonic fingerprint identification module can be used to gather the fingerprint image.
The sensor 170 may include a camera, gyroscope, ambient light sensor, and the like.
Input-output circuit 150 may also include one or more display screens, such as display screen 130. The display 130 may include one or a combination of liquid crystal display, organic light emitting diode display, electronic ink display, plasma display, display using other display technologies. The display screen 130 may include an array of touch sensors (i.e., the display screen 130 may be a touch display screen). The touch sensor may be a capacitive touch sensor formed by a transparent touch sensor electrode (e.g., an Indium Tin Oxide (ITO) electrode) array, or may be a touch sensor formed using other touch technologies, such as acoustic wave touch, pressure sensitive touch, resistive touch, optical touch, and the like, and the embodiments of the present application are not limited thereto.
The electronic device 100 may also include an audio component 140. The audio component 140 may be used to provide audio input and output functionality for the electronic device 100. The audio components 140 in the electronic device 100 may include a speaker, a microphone, a buzzer, a tone generator, and other components for generating and detecting sound.
The communication circuit 120 may be used to provide the electronic device 100 with the capability to communicate with external devices. The communication circuit 120 may include analog and digital input-output interface circuits, and wireless communication circuits based on radio frequency signals and/or optical signals. The wireless communication circuitry in communication circuitry 120 may include radio-frequency transceiver circuitry, power amplifier circuitry, low noise amplifiers, switches, filters, and antennas. For example, the wireless Communication circuitry in Communication circuitry 120 may include circuitry to support Near Field Communication (NFC) by transmitting and receiving Near Field coupled electromagnetic signals. For example, the communication circuit 120 may include a near field communication antenna and a near field communication transceiver. The communications circuitry 120 may also include a cellular telephone transceiver and antenna, a wireless local area network transceiver circuitry and antenna, and so forth.
The electronic device 100 may further include a battery, power management circuitry, and other input-output units 160. The input-output unit 160 may include buttons, joysticks, click wheels, scroll wheels, touch pads, keypads, keyboards, cameras, light emitting diodes and other status indicators, and the like.
A user may input commands through input-output circuitry 150 to control the operation of electronic device 100, and may use output data of input-output circuitry 150 to enable receipt of status information and other outputs from electronic device 100.
Referring to fig. 1B, fig. 1B is a schematic flowchart of a color shift adjustment method according to an embodiment of the present application, applied to the electronic device shown in fig. 1A, as shown in fig. 1B, the color shift adjustment method provided in the present application includes:
101. and detecting a target screen angle of the display screen through the gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane.
Wherein, if electronic equipment is wrist-watch or bracelet etc. the wrist-watch or bracelet are worn to the user's wrist, need raise one's hand and look over electronic equipment's display screen, and then, the gyroscope that sets up on the accessible electronic equipment detects the target screen angle of display screen. If the electronic equipment is a mobile phone, a tablet personal computer and the like, when a user holds the electronic equipment, the target screen angle of the display screen can be detected through a gyroscope arranged on the electronic equipment. In specific implementation, when the electronic device is used, a user can enable the electronic device to be in a relatively stable state, the electronic device can reach a relatively static state after being rotated from one position to another position, so that the user can view the display screen, and at the moment, the target screen angle of the display screen can be detected through the gyroscope.
Optionally, in step 101, detecting the target screen angle of the curved screen by using the gyroscope may include the following steps:
11. detecting a current coordinate in a preset three-dimensional coordinate system through the gyroscope;
12. and determining the target screen angle according to the current coordinate and the initial coordinate and the current coordinate of the gyroscope in the preset three-dimensional coordinate system, wherein the initial coordinate is the coordinate detected by the gyroscope when the curved screen of the electronic equipment is horizontally placed.
Referring to fig. 1C, fig. 1C is a schematic diagram illustrating an exemplary demonstration of detecting a target screen angle of a display screen according to an embodiment of the present disclosure, in which an electronic device may detect an initial coordinate (X) in a predetermined three-dimensional coordinate system when a curved screen of the electronic device is horizontally disposed in advance through a gyroscope according to the embodiment of the present disclosure0，Y0，Z0) And, further, the current coordinate (X) is detected at the gyroscopei，Yi，Zi) Then, according to the initial coordinate (X)0，Y0，Z0) And current coordinate (X)i，Yi，Zi) And determining the target screen angle as an included angle between the display screen and the horizontal plane to obtain the target screen angle.
102. And determining a target display area of the display screen according to the target screen angle.
Wherein the target display area is an area on the display screen viewed by human eyes of a user.
If electronic equipment is wrist-watch or bracelet etc. at present, the display screen size grow gradually of a lot of wrist-watches or bracelet, and the user can usually look over wrist-watch or bracelet through raising one's hand to look over the display screen and look over display screen content, consequently, can confirm that user's people's eye is looking over the target display area on the display screen. If the electronic device is a mobile phone, a tablet computer or the like, and the display screen of the electronic device such as the mobile phone, the tablet computer or the like has a large size, the user may look at the display screen in the front or in the oblique direction, and therefore, the target display area on the display screen that the user pays attention to can be determined.
Optionally, the surface of the display screen is arc-shaped, and in the step 102, determining the target display area of the display screen according to the target screen angle may include the following steps:
21. determining a first front view direction of an arc where the display screen is located;
22. determining a second front-view direction which forms an included angle with the first front-view direction and is equal to the angle of the target screen;
23. and determining the intersection point of a straight line passing through the circle center of the circular arc where the display screen is located in the second front-view direction and the circular arc, and determining the area which meets the preset condition around the intersection point as the target display area.
For electronic equipment such as a watch or a bracelet, the surface of the display screen is arc-shaped, and generally, a user raises his hand to check the watch or the bracelet, and the content of the display screen is checked for the purpose of looking at the display screen, so that the target display area of the user's eyes on the display screen can be determined according to the target screen angle. Specifically, please refer to fig. 1D, fig. 1D is a scene schematic diagram of a user viewing a display screen of an intelligent bracelet according to an embodiment of the present application, please refer to fig. 1E, fig. 1E is a schematic diagram of a demonstration of a target display area of the display screen according to the determination of a target screen angle provided by the embodiment of the present application, wherein a first front view direction of an arc where the display screen is located may be determined, the first front view direction is a direction from a circle center of the arc to a center point of the arc, and then a second front view direction of the user may be determined according to the target screen angle α, wherein an included angle between the second front view direction and the first front view direction is α, and then it is determined that the second front view direction passes through the circle center O, and then the second front view direction is determined1An intersection point P between the time and the arc, and a region around the intersection point satisfying a preset condition, which may be, for example: the target display area is rectangular, one side of the rectangle is the width of the display screen, the other side of the rectangle is a preset value, the preset value is smaller than the length of the display screen, and the setting of the preset condition is not limited in the embodiment of the application.
Optionally, the display screen is a curved screen, and in step 102, determining the target display area of the display screen according to the target screen angle may include the following steps:
24. detecting a first sight direction of a target object staring at the curved screen;
25. and determining that the sight of the target object is focused on the target display area of the curved screen according to the target screen angle and the first sight direction.
Wherein the target object refers to a user viewing the display screen. Aiming at electronic equipment such as a mobile phone and a tablet personal computer, a first sight direction of a target object staring at a curved screen can be detected through a camera and the like on the electronic equipment through a human eye detection technology, specifically, a human eye image of a user can be obtained, then human eye detection is carried out on the human eye image of the user, the first sight direction of the human eye staring at the curved screen of the user and a first position of a pupil of the user in the human eye image are obtained, then the first position is converted into a second position of the user concerning the curved screen according to a target screen angle, and then an area which meets a preset condition around the second position is determined as a target display area.
103. And adjusting the color cast of the target display area.
Wherein, if electronic equipment is wrist-watch or bracelet etc. wrist-watch or bracelet are curved, and the colour cast effect that watches the display screen from different visual angles is different, consequently, the colour cast in adjustable target display area.
Optionally, in the step 103, adjusting the color shift of the target display area may include the following steps:
31. determining average gray scale values of all pixel points in the target display area on R, G, B color channels respectively to obtain a first average gray scale value corresponding to an R color channel, a second average gray scale value corresponding to a G color channel and a third average gray scale value corresponding to a B color channel;
32. determining a target color channel corresponding to the maximum average gray scale value in the first average gray scale value, the second average gray scale value and the third average gray scale value;
33. determining a first gray scale compensation value corresponding to the target screen angle according to a corresponding relation between a preset screen angle and a gray scale compensation value;
34. and reducing the gray scale value of the target color channel in all pixel points of the target display area according to the first gray scale compensation value.
For color images, each pixel point may include red (R), green (G), and blue (b)In a specific implementation of the three color channels (blue, B), an average gray scale value of all pixel points of the target display area on the R, G, B color channel respectively may be determined, and specifically, assuming that the target display area has n pixel points, a first average gray scale value corresponding to the R color channel is RnN, wherein RnThe sum of the red gray scale values of the n pixel points; the second average gray scale value corresponding to the G color channel is GnN, wherein, GnThe sum of the green gray scale values of the n pixel points; the second average gray scale value corresponding to the B color channel is BnN, wherein BnIs the sum of the blue gray-scale values of the n pixel points. Then, a maximum value among the first, second, and third average gray scale values is determined.
The electronic device can preset the corresponding relation between the screen angle and the gray scale compensation value, so that a first gray scale compensation value corresponding to the target screen angle can be determined according to the corresponding relation, and further, the gray scale value of the target color channel in all pixel points of the target display area is reduced according to the first gray scale compensation value.
For example, referring to fig. 1F, fig. 1F is a schematic diagram illustrating a demonstration that the color shift of the pixel points in the target display area is adjusted according to an embodiment of the present application, where if the first average gray scale value corresponding to the R color channel is the largest, the red gray scale values of all the pixel points in the target display area can be reduced, so that the condition that the display effect is reddish at the viewing angle can be improved.
Optionally, in the step 103, adjusting the color shift of the target display area may include the following steps:
35. determining a center point of the target display area;
36. determining a third front-view direction corresponding to the central point;
37. determining a sight line offset angle of the target object according to the first sight line direction and the third front view direction, wherein the sight line offset angle is an included angle between the first sight line direction and the third front view direction;
38. determining target average gray scale values of all pixel points in the target display area;
39. and adjusting the color cast of the target display area according to the sight line offset angle and the target average gray scale value.
The electronic equipment with the larger display screen size, such as a mobile phone and a tablet personal computer, may have the situation that a user squints the display screen, so that the sight offset angle of the first sight direction of the user relative to the third front view direction can be determined according to the target screen angle, and further, the color cast of the target display area is adjusted according to the sight offset angle. Referring to fig. 1G, fig. 1G is a schematic diagram illustrating a demonstration for determining a gaze offset angle according to an embodiment of the present disclosure, where a central point Q of a target display area is determined after the target display area is determined, then a third front view direction corresponding to the central point is determined since radians of points on the display screen are fixed, specifically, a curved screen has a certain radian, a tangent line corresponding to the central point Q is determined, then a vertical line passing through the central point and perpendicular to the tangent line is determined, the vertical line is the third front view direction corresponding to the central point, and further, an included angle between the first gaze direction and the third front view direction is determined, so as to obtain a gaze offset angle β, and O2 is a circle center of an arc corresponding to Q.
The target average gray scale value of all pixel points in the target display area is determined, and specifically, assuming that the target display area has n pixel points, the sum R of the red gray scale values of the n pixel points can be determinednDetermining the sum G of the green gray-scale values of n pixelsnDetermining the sum B of the blue gray-scale values of n pixel pointsnThen, determining the first average gray scale value corresponding to the R color channel as RnThe second average gray scale value corresponding to the/n and G color channels is GnThe second average gray scale value corresponding to the/n and B color channels is BnAnd/n, finally, determining a target average gray level value according to a first weight value corresponding to a preset red channel, a second weight value corresponding to a preset green channel, a third weight value corresponding to a preset blue channel, a first average gray level value, a second average gray level value and a third average gray level value, wherein the specific formula is as follows:
Gv＝Rnn first weight + GnSecond weight value of/n + BnAnd n, a third weight, wherein the sum of the first weight, the second weight and the third weight is 1.
Optionally, in the step 39, adjusting the color shift of the target display area according to the gaze shift angle and the average grayscale value may include the following steps:
3901. determining a second gray scale compensation value corresponding to the sight line offset angle according to a corresponding relation between a preset offset angle and a gray scale compensation value;
3902. if the target average gray scale value is larger than a first preset gray scale value, reducing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value; and if the target average gray scale value is smaller than a second preset gray scale value, increasing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value, wherein the first preset gray scale value is larger than the second preset gray scale value.
The electronic device may preset a corresponding relationship between the offset angle and the gray scale compensation value, and thus, a second gray scale compensation value corresponding to the line of sight offset angle may be determined according to the corresponding relationship, if the target average gray scale value is greater than the first preset gray scale value, the gray scale values of all the pixel points of the target display area may be reduced according to the second gray scale compensation value, and if the target average gray scale value is less than the second preset gray scale value, the gray scale values of all the pixel points of the target display area may be increased according to the second gray scale compensation value, thereby improving the display effect of the display screen.
It can be seen that in the embodiment of the application, the target screen angle of the display screen is detected through the gyroscope, and the target screen angle is an included angle between the display screen and a horizontal plane; determining a target display area of the display screen according to the target screen angle; and adjusting the color cast of the target display area, thus flexibly adjusting the color cast of the target display area according to the angle of the target screen aiming at the display screen with radian, thereby improving the display effect of the display screen.
Referring to fig. 2, fig. 2 is a schematic flowchart of a color shift adjustment method provided in an embodiment of the present application, and the method is applied to an electronic device, where the electronic device includes a gyroscope and a display screen, and the method includes:
201. the gyroscope is used for detecting the target screen angle of the display screen, the target screen angle is an included angle between the display screen and the horizontal plane, and the surface of the display screen is arc-shaped.
202. And determining a first front view direction of the circular arc where the display screen is located.
203. And determining a second front-view direction which forms an included angle with the first front-view direction and is equal to the target screen angle.
204. And determining the intersection point of a straight line passing through the circle center of the circular arc where the display screen is located in the second front-view direction and the circular arc, and determining the area which meets the preset condition around the intersection point as the target display area.
205. And determining average gray scale values of all pixel points in the target display area on R, G, B color channels respectively to obtain a first average gray scale value corresponding to the R color channel, a second average gray scale value corresponding to the G color channel and a third average gray scale value corresponding to the B color channel.
206. And determining a target color channel corresponding to the maximum average gray scale value in the first average gray scale value, the second average gray scale value and the third average gray scale value.
207. And determining a first gray scale compensation value corresponding to the target screen angle according to a corresponding relation between a preset screen angle and a gray scale compensation value.
208. And reducing the gray scale value of the target color channel in all pixel points of the target display area according to the first gray scale compensation value.
The specific implementation process of the steps 201-208 can refer to the corresponding description in the steps 101-103, and will not be described herein again.
It can be seen that, in the embodiment of the present application, a target screen angle of a display screen is detected by a gyroscope, the target screen angle is an included angle between the display screen and a horizontal plane, a first front view direction of an arc where the display screen is located is determined, a second front view direction of which the included angle with the first front view direction is equal to the target screen angle is determined, an intersection point of a straight line passing through a center of the arc where the display screen is located and the arc in the second front view direction is determined, an area around the intersection point satisfying a preset condition is determined as a target display area, average gray scale values of all pixel points of the target display area on R, G, B color channels are determined, a first average gray scale value corresponding to an R color channel, a second average gray scale value corresponding to a G color channel, and a third average gray scale value corresponding to a B color channel are obtained, and a target color channel corresponding to a maximum average gray scale value among the first average gray scale value, the second average gray scale value, and the third average gray scale value is determined, according to the corresponding relation between the preset screen angle and the gray scale compensation value, a first gray scale compensation value corresponding to the target screen angle is determined, and the gray scale value of the target color channel in all pixel points of the target display area is reduced according to the first gray scale compensation value.
Referring to fig. 3, fig. 3 is a schematic flow chart of another color shift adjustment method provided in the embodiment of the present application, and the method is applied to an electronic device, where the electronic device includes a gyroscope and a display screen, and the method includes:
301. the gyroscope is used for detecting the target screen angle of the display screen, the target screen angle is an included angle between the display screen and the horizontal plane, and the surface of the display screen is arc-shaped.
302. And detecting a first sight direction of a target object staring at the curved screen.
303. And determining that the sight of the target object is focused on the target display area of the curved screen according to the target screen angle and the first sight direction.
304. Determining a center point of the target display area.
305. And determining a third front-view direction corresponding to the central point.
306. And determining a sight line offset angle of the target object according to the first sight line direction and the third front view direction, wherein the sight line offset angle is an included angle between the first sight line direction and the third front view direction.
307. And determining target average gray scale values of all pixel points in the target display area.
308. And determining a second gray scale compensation value corresponding to the sight line offset angle according to the corresponding relation between the preset offset angle and the gray scale compensation value.
309. If the target average gray scale value is larger than a first preset gray scale value, reducing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value; and if the target average gray scale value is smaller than a second preset gray scale value, increasing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value, wherein the first preset gray scale value is larger than the second preset gray scale value.
The specific implementation process of steps 301 and 309 can refer to the corresponding description in steps 101 to 103, and will not be described herein again.
It can be seen that, in the embodiment of the present application, a target screen angle of the display screen is detected by a gyroscope, the target screen angle is an included angle between the display screen and a horizontal plane, a surface of the display screen is arc-shaped, a first sight direction in which a target object gazes at the curved screen is detected, a target display area in which the sight of the target object gazes at the curved screen is determined according to the target screen angle and the first sight direction, a central point of the target display area is determined, a third front-view direction corresponding to the central point is determined, a sight offset angle of the target object is determined according to the first sight direction and the third front-view direction, the sight offset angle is an included angle between the first sight direction and the third front-view direction, a target average gray level value of all pixel points in the target display area is determined, a second gray level compensation value corresponding to the sight offset angle is determined according to a preset corresponding relationship between the offset angle and the gray level compensation value, if the target average gray scale value is larger than the first preset gray scale value, reducing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value; if the target average gray scale value is smaller than the second preset gray scale value, the gray scale values of all pixel points of the target display area are increased according to the second gray scale compensation value, and the first preset gray scale value is larger than the second preset gray scale value.
The following is a device for implementing the color shift adjustment method, specifically as follows:
in accordance with the above, please refer to fig. 4, where fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure, the electronic device includes: a processor 410, a communication interface 430, and a memory 420; and one or more programs 421, the one or more programs 421 stored in the memory 420 and configured to be executed by the processor, the programs 421 including instructions for:
detecting a target screen angle of the display screen through the gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane;
determining a target display area of the display screen according to the target screen angle;
and adjusting the color cast of the target display area.
In one possible example, in terms of the detection of the target screen angle of the curved screen by the gyroscope, the program 421 includes instructions for:
detecting a current coordinate in a preset three-dimensional coordinate system through the gyroscope;
and determining the target screen angle according to the current coordinate and the initial coordinate and the current coordinate of the gyroscope in the preset three-dimensional coordinate system, wherein the initial coordinate is the coordinate detected by the gyroscope when the curved screen of the electronic equipment is horizontally placed.
In one possible example, where the surface of the display screen is in the shape of a circular arc, the program 421 includes instructions for performing the following steps in determining the target display area of the display screen based on the target screen angle:
determining a first front view direction of an arc where the display screen is located;
determining a second front-view direction which forms an included angle with the first front-view direction and is equal to the angle of the target screen;
and determining the intersection point of a straight line passing through the circle center of the circular arc where the display screen is located in the second front-view direction and the circular arc, and determining the area which meets the preset condition around the intersection point as the target display area.
In one possible example, where the display screen is a curved screen, the program 421 includes instructions for performing the following steps in determining the target display area of the display screen according to the target screen angle:
detecting a first sight direction of a target object staring at the curved screen;
and determining that the sight of the target object is focused on the target display area of the curved screen according to the target screen angle and the first sight direction.
In one possible example, in the adjusting of the color shift of the target display area, the program 421 includes instructions for:
determining average gray scale values of all pixel points in the target display area on R, G, B color channels respectively to obtain a first average gray scale value corresponding to an R color channel, a second average gray scale value corresponding to a G color channel and a third average gray scale value corresponding to a B color channel;
determining a target color channel corresponding to the maximum average gray scale value in the first average gray scale value, the second average gray scale value and the third average gray scale value;
determining a first gray scale compensation value corresponding to the target screen angle according to a corresponding relation between a preset screen angle and a gray scale compensation value;
and reducing the gray scale value of the target color channel in all pixel points of the target display area according to the first gray scale compensation value.
In one possible example, in the adjusting of the color shift of the target display area, the program 421 includes instructions for:
determining a center point of the target display area;
determining a third front-view direction corresponding to the central point;
determining a sight line offset angle of the target object according to the first sight line direction and the third front view direction, wherein the sight line offset angle is an included angle between the first sight line direction and the third front view direction;
determining target average gray scale values of all pixel points in the target display area;
and adjusting the color cast of the target display area according to the sight line offset angle and the target average gray scale value.
In one possible example, in the aspect of adjusting the color shift of the target display area according to the gaze shift angle and the average grayscale value, the program 421 includes instructions for:
determining a second gray scale compensation value corresponding to the sight line offset angle according to a corresponding relation between a preset offset angle and a gray scale compensation value;
if the target average gray scale value is larger than a first preset gray scale value, reducing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value; and if the target average gray scale value is smaller than a second preset gray scale value, increasing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value, wherein the first preset gray scale value is larger than the second preset gray scale value.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a color shift adjustment apparatus 500 provided in this embodiment, where the color shift adjustment apparatus 500 is applied to an electronic device, the electronic device includes a gyroscope and a display screen, the apparatus 500 includes a detection unit 501, a determination unit 502, and an adjustment unit 503, where,
the detection unit 501 is configured to detect a target screen angle of the display screen through the gyroscope, where the target screen angle is an included angle between the display screen and a horizontal plane;
the determining unit 502 is configured to determine a target display area of the display screen according to the target screen angle;
the adjusting unit 503 is configured to adjust the color shift of the target display area.
Optionally, in the aspect of detecting the target screen angle of the curved screen through the gyroscope, the detecting unit 501 is specifically configured to:
detecting a current coordinate in a preset three-dimensional coordinate system through the gyroscope;
and determining the target screen angle according to the current coordinate and the initial coordinate and the current coordinate of the gyroscope in the preset three-dimensional coordinate system, wherein the initial coordinate is the coordinate detected by the gyroscope when the curved screen of the electronic equipment is horizontally placed.
Optionally, the surface of the display screen is arc-shaped, and in terms of determining the target display area of the display screen according to the target screen angle, the determining unit 502 is specifically configured to:
determining a first front view direction of an arc where the display screen is located;
determining a second front-view direction which forms an included angle with the first front-view direction and is equal to the angle of the target screen;
and determining the intersection point of a straight line passing through the circle center of the circular arc where the display screen is located in the second front-view direction and the circular arc, and determining the area which meets the preset condition around the intersection point as the target display area.
Optionally, the display screen is a curved screen, and in the aspect of determining the target display area of the display screen according to the target screen angle, the determining unit 502 is specifically configured to:
detecting a first sight direction of a target object staring at the curved screen;
and determining that the sight of the target object is focused on the target display area of the curved screen according to the target screen angle and the first sight direction.
Optionally, in terms of the adjusting the color shift of the target display area, the adjusting unit 503 is specifically configured to:
determining average gray scale values of all pixel points in the target display area on R, G, B color channels respectively to obtain a first average gray scale value corresponding to an R color channel, a second average gray scale value corresponding to a G color channel and a third average gray scale value corresponding to a B color channel;
determining a target color channel corresponding to the maximum average gray scale value in the first average gray scale value, the second average gray scale value and the third average gray scale value;
determining a first gray scale compensation value corresponding to the target screen angle according to a corresponding relation between a preset screen angle and a gray scale compensation value;
and reducing the gray scale value of the target color channel in all pixel points of the target display area according to the first gray scale compensation value.
Optionally, in terms of the adjusting the color shift of the target display area, the adjusting unit 503 is specifically configured to:
determining a center point of the target display area;
determining a third front-view direction corresponding to the central point;
determining a sight line offset angle of the target object according to the first sight line direction and the third front view direction, wherein the sight line offset angle is an included angle between the first sight line direction and the third front view direction;
determining target average gray scale values of all pixel points in the target display area;
and adjusting the color cast of the target display area according to the sight line offset angle and the target average gray scale value.
Optionally, in terms of adjusting the color shift of the target display area according to the line-of-sight offset angle and the average grayscale value, the adjusting unit 503 is specifically configured to:
determining a second gray scale compensation value corresponding to the sight line offset angle according to a corresponding relation between a preset offset angle and a gray scale compensation value;
if the target average gray scale value is larger than a first preset gray scale value, reducing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value; and if the target average gray scale value is smaller than a second preset gray scale value, increasing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value, wherein the first preset gray scale value is larger than the second preset gray scale value.
It can be seen that the color cast adjusting device described in the embodiment of the present application is applied to an electronic device, and detects a target screen angle of a display screen through a gyroscope, where the target screen angle is an included angle between the display screen and a horizontal plane; determining a target display area of the display screen according to the target screen angle; and adjusting the color cast of the target display area, thus flexibly adjusting the color cast of the target display area according to the angle of the target screen aiming at the display screen with radian, thereby improving the display effect of the display screen.
It can be understood that the functions of each program module of the color shift adjustment apparatus in this embodiment may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the related description of the foregoing method embodiment, which is not described herein again.
Embodiments of the present application also provide a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, the computer program enabling a computer to execute part or all of the steps of any one of the methods described in the above method embodiments, and the computer includes an electronic device.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package, the computer comprising an electronic device.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A color cast adjusting method is applied to an electronic device, wherein the electronic device comprises a gyroscope and a display screen, and the method comprises the following steps:
detecting a target screen angle of the display screen through the gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane;
determining a target display area of the display screen according to the target screen angle;
and adjusting the color cast of the target display area.
2. The method of claim 1, wherein the detecting, by the gyroscope, the target screen angle of the curved screen comprises:
detecting a current coordinate in a preset three-dimensional coordinate system through the gyroscope;
and determining the target screen angle according to the current coordinate and the initial coordinate and the current coordinate of the gyroscope in the preset three-dimensional coordinate system, wherein the initial coordinate is the coordinate detected by the gyroscope when the curved screen of the electronic equipment is horizontally placed.
3. The method of claim 1 or 2, wherein the surface of the display screen is in a circular arc shape, and the determining the target display area of the display screen according to the target screen angle comprises:
determining a first front view direction of an arc where the display screen is located;
determining a second front-view direction which forms an included angle with the first front-view direction and is equal to the angle of the target screen;
and determining the intersection point of a straight line passing through the circle center of the circular arc where the display screen is located in the second front-view direction and the circular arc, and determining the area which meets the preset condition around the intersection point as the target display area.
4. The method according to claim 1 or 2, wherein the display screen is a curved screen, and the determining the target display area of the display screen according to the target screen angle comprises:
detecting a first sight direction of a target object staring at the curved screen;
and determining that the sight of the target object is focused on the target display area of the curved screen according to the target screen angle and the first sight direction.
5. The method according to any one of claims 1-4, wherein the adjusting the color shift of the target display area comprises:
determining average gray scale values of all pixel points in the target display area on R, G, B color channels respectively to obtain a first average gray scale value corresponding to an R color channel, a second average gray scale value corresponding to a G color channel and a third average gray scale value corresponding to a B color channel;
determining a target color channel corresponding to the maximum average gray scale value in the first average gray scale value, the second average gray scale value and the third average gray scale value;
determining a first gray scale compensation value corresponding to the target screen angle according to a corresponding relation between a preset screen angle and a gray scale compensation value;
and reducing the gray scale value of the target color channel in all pixel points of the target display area according to the first gray scale compensation value.
6. The method of claim 4, wherein the adjusting the color shift of the target display area comprises:
determining a center point of the target display area;
determining a third front-view direction corresponding to the central point;
determining a sight line offset angle of the target object according to the first sight line direction and the third front view direction, wherein the sight line offset angle is an included angle between the first sight line direction and the third front view direction;
determining target average gray scale values of all pixel points in the target display area;
and adjusting the color cast of the target display area according to the sight line offset angle and the target average gray scale value.
7. The method of claim 6, wherein the adjusting the color shift of the target display area according to the gaze shift angle and the average grayscale value comprises:
determining a second gray scale compensation value corresponding to the sight line offset angle according to a corresponding relation between a preset offset angle and a gray scale compensation value;
if the target average gray scale value is larger than a first preset gray scale value, reducing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value; and if the target average gray scale value is smaller than a second preset gray scale value, increasing the gray scale values of all pixel points of the target display area according to the second gray scale compensation value, wherein the first preset gray scale value is larger than the second preset gray scale value.
8. A color cast adjusting device is applied to electronic equipment, wherein the electronic equipment comprises a gyroscope and a display screen, and the device comprises:
the detection unit is used for detecting a target screen angle of the display screen through the gyroscope, wherein the target screen angle is an included angle between the display screen and a horizontal plane;
the determining unit is used for determining a target display area of the display screen according to the target screen angle;
and the adjusting unit is used for adjusting the color cast of the target display area.
9. An electronic device comprising a processor, a memory for storing one or more programs and configured for execution by the processor, the programs comprising instructions for performing the steps of the method of any of claims 1-7.
10. A computer-readable storage medium, characterized in that a computer program for electronic data exchange is stored, wherein the computer program causes a computer to perform the method according to any one of claims 1-7.
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