CN107093418B - Screen display method, computer equipment and storage medium - Google Patents
Screen display method, computer equipment and storage medium Download PDFInfo
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- CN107093418B CN107093418B CN201710470950.4A CN201710470950A CN107093418B CN 107093418 B CN107093418 B CN 107093418B CN 201710470950 A CN201710470950 A CN 201710470950A CN 107093418 B CN107093418 B CN 107093418B
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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Abstract
The invention discloses a screen display method, computer equipment and a storage medium, relates to the technical field of electronic information, and aims to solve the problem of how to effectively reduce screen power consumption without influencing user experience in the prior art. The method comprises the following steps: acquiring image information parameters of a screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points; and adjusting the screen resolution according to the image information parameters to reduce the screen resolution corresponding to the display object with the image information parameters smaller than the preset threshold value.
Description
Technical Field
The present invention relates to the field of electronic information technologies, and in particular, to a screen display method, a computer device, and a storage medium.
Background
With the development of mobile interconnection technology, large-screen mobile phones have become the mainstream of the market. However, when the large screen brings good visual experience to the user, too fast power consumption can be caused, how to effectively utilize the screen can achieve the purposes of not affecting the user experience, effectively reducing power consumption and saving electric energy, and the prior art does not have a perfect solution.
Disclosure of Invention
The invention mainly aims to provide a screen display method, computer equipment and a storage medium, and aims to solve the problem of how to effectively reduce screen power consumption without influencing user experience in the prior art.
In order to achieve the above object, the present invention provides a screen display method, including: acquiring image information parameters of a screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points; and adjusting the screen resolution according to the image information parameters to reduce the screen resolution corresponding to the display object with the image information parameters smaller than the preset threshold value.
Optionally, the acquiring image information parameters of the screen display object includes: acquiring the image resolution of the screen display object; the adjusting the screen resolution according to the image information parameter includes: in the event that the image resolution is less than a current screen resolution, reducing the screen resolution.
Optionally, the acquiring image information parameters of the screen display object includes: acquiring the image contrast of the screen display object; the adjusting the screen resolution according to the image information parameter includes: reducing the screen resolution if the image contrast is less than a preset contrast threshold.
Optionally, the acquiring image information parameters of the screen display object includes: acquiring RGB value variance between RGB values of pixel points in each pixel set in the screen display object; wherein the set of pixels comprises at least 2 pixels points adjacent to each other; the adjusting the screen resolution according to the image information parameter includes: and reducing the screen resolution corresponding to the pixel set under the condition that the RGB value variance is smaller than a preset variance threshold value.
Optionally, after the acquiring the image information parameter of the screen display object, the method further includes: prompting an image area to be subjected to resolution adjustment according to the relation between the acquired image information parameter and the preset threshold; the adjusting the screen resolution according to the image information parameter includes: and adjusting the screen resolution of the corresponding image area according to the response instruction of the prompt.
Optionally, the adjusting, according to the response instruction to the prompt, the screen resolution of the corresponding image area includes: and selecting one or more areas from the image areas to be subjected to resolution adjustment according to the response instruction to adjust the screen resolution.
Optionally, the adjusting the screen resolution according to the image information parameter includes: and reducing the screen resolution of the position where the display object with the image information parameter smaller than the preset threshold is positioned, and simultaneously keeping the screen resolution of other positions unchanged.
Optionally, the degree of reduction of the screen resolution is related to a difference between the image information parameter and the preset threshold.
In another aspect, the present invention also provides a computer device comprising a processor, a memory, and a communication bus; the communication bus is used for realizing connection communication between the processor and the memory; the processor is used for executing computer instructions stored in the memory so as to realize any screen display method provided by the invention.
In another aspect, the present invention also provides a computer-readable storage medium storing one or more programs, which are executable by one or more processors to implement any of the screen display methods provided by the present invention.
The screen display method, the computer device and the storage medium provided by the embodiment of the invention can acquire the image information parameters of various screen display objects, and then adjust the corresponding screen resolution according to the image information parameters, so that when the corresponding image detail information in the image information parameters of the screen display objects is not abundant, the screen resolution can be adjusted, and the corresponding screen resolution is reduced, thereby effectively reducing the screen power consumption while not influencing the image display quality and the user experience.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an optional mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
FIG. 3 is a flowchart of a screen display method according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating distribution of pixel points and pixel sets in a screen in the screen display method according to the embodiment of the present invention;
FIG. 5 is a flowchart illustrating a screen display method according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a screen prompt performed on a user in the screen display method according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
As shown in fig. 3, a first embodiment of the present invention provides a screen display method, including:
s31, acquiring image information parameters of the screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points;
and S32, adjusting the screen resolution according to the image information parameters, so that the screen resolution corresponding to the display object with the image information parameters smaller than the preset threshold value is reduced.
The screen display method provided by the embodiment of the invention can acquire the image information parameters of various screen display objects, and then adjust the corresponding screen resolution according to the image information parameters, so that when the corresponding image detail information in the image information parameters of the screen display objects is not abundant, the screen resolution can be adjusted, and the corresponding screen resolution is reduced, thereby effectively reducing the screen power consumption while not influencing the image display quality and the user experience.
In particular, in practical applications, it is often the case that the screen resolution and the image resolution of the display object are not consistent, and then the display image has to be stretched or compressed to adapt to the screen resolution, which on the one hand may cause image distortion or image detail distortion, and on the other hand, may cause unnecessary waste by enlarging a clear small image into a blurred large image for display. To improve such a problem, the image information parameter of the screen display object may be acquired in step S31, and then the screen resolution may be adjusted according to the acquired image information parameter in step S32 such that the screen resolution corresponding to the display object whose image information parameter is smaller than the preset threshold is reduced.
Alternatively, the screen display object may be various display interfaces such as pictures, documents, applications, controls, and the like. The embodiments of the present invention are not limited thereto. These screen display objects can be presented on the display screen in the form of various images, i.e. with corresponding image information parameters. Alternatively, the image information parameters may include image resolution, image contrast, sharpness, and the like of the screen display object.
Specifically, in one embodiment of the present invention, in step S31, acquiring the image information parameter of the screen display object may include: acquiring the image resolution of the screen display object;
in step S32, adjusting the screen resolution according to the image information parameter may include: in the event that the image resolution is less than a current screen resolution, reducing the screen resolution.
For example, in one embodiment of the present invention, assume that the user selects an 800 × 600 picture as the wallpaper of the mobile phone, and the screen resolution of the mobile phone screen is 1080 × 1920. When displaying, firstly acquiring the image information parameters of the mobile phone wallpaper, wherein the image resolution is 600 × 800, and since the image resolution is smaller than the current mobile phone screen resolution 1080 × 1920, the mobile phone screen resolution can be properly reduced, so as to achieve the effect of reducing the screen power consumption.
The specific method for reducing the resolution of the screen may be to re-analyze a part of the pixels in the screen, and combine two originally adjacent pixels in a part of the area of the screen into one pixel for signal control and image display.
Further, in addition to determining whether the screen resolution needs to be adjusted according to the resolution of the image, the determination may be made according to other image information parameters. Optionally, in an embodiment of the present invention, acquiring the image information parameter of the screen display object may include: acquiring the image contrast of the screen display object; the adjusting the screen resolution according to the image information parameter may include: reducing the screen resolution if the image contrast is less than a preset contrast threshold. Specifically, the contrast of an image refers to the ratio between the brightest and darkest areas of the image, and the larger the ratio, the more gradation from black to white, and thus the richer the color representation. That is, if the contrast of the image is small, the gradation level from black to white between the brightest and darkest of the image is small, so that the difference between the color and the brightness between two adjacent pixels is correspondingly small, even if the screen resolution of the display screen is reduced, human eyes cannot distinguish the pixels, and therefore, in this case, the screen power consumption can be reduced by reducing the screen resolution, and the user experience cannot be reduced.
Optionally, the image contrast may be a contrast of an entire image, or a contrast of a certain part or detail of the image, and the corresponding screen resolution adjustment may be a screen resolution adjustment for the entire image, or a screen resolution adjustment for a certain part or detail of an image, as long as the screen power consumption can be reduced without affecting user experience, which is not limited in the embodiment of the present invention.
Further, in an embodiment of the present invention, the screen resolution may also be adjusted according to how fast the color transition of the image edge of the screen display object is. The edge of the image generally has color transition, if the color transition is fast, the image edge is sharper, if the color transition is slow, the image edge is softer, so that the resolution of the screen corresponding to the image edge part with the slow color transition can be properly reduced, and the power consumption of the screen is effectively reduced under the condition of not influencing the user experience.
Specifically, in one embodiment of the present invention, acquiring the image information parameter of the screen display object may include: acquiring RGB value variance between RGB values of pixel points in each pixel set in the screen display object; wherein the set of pixels comprises at least 2 pixels points adjacent to each other; the adjusting the screen resolution according to the image information parameter includes: and reducing the screen resolution corresponding to the pixel set under the condition that the RGB value variance is smaller than a preset variance threshold value.
For example, if a user uses a landscape character photo as a desktop, a near view is a character, and a far view is a landscape, in order to reduce screen power consumption as much as possible without affecting user experience, pixel analysis may be performed on the whole photo, as shown in fig. 4, a pixel point in the whole photo may be divided into a plurality of pixel sets, and a variance of RGB values of each pixel point in each pixel set is studied. Each of the pixel sets may include at least 2 pixel points, for example, in an embodiment of the present invention, each of the pixel sets may include 10 to 20 pixel points. The number of pixels included in each pixel set may be equal or different, and the shape of each pixel set is not limited to the circle shown in the figure, and may also be a rectangle, a triangle, a polygon, or other irregular shapes, which is not limited in this embodiment of the present invention. The contour of the character in the close shot is clear, the variance value of each pixel point in one pixel set is larger, the higher screen resolution can be kept for clearly displaying the character, and for the landscape in the far shot, the RGB variance value of each pixel point in each pixel set is smaller due to the relative softness of the contour of the landscape, so that the screen resolution corresponding to the pixel points can be reduced. For example, the original 4 pixels in the pixel set are changed into one pixel, and the like.
Since R, G, B represent different colors, the variance can be calculated for R, G, B pixel values, and the corresponding screen resolution can be adjusted if the variance is less than the threshold.
For example, in an embodiment of the present invention, a pixel set includes three pixels a1, a2, and A3, where RGB value of a1 is (102, 204, 255), RGB value of a2 is (110, 201, 240), and RGB value of A3 is (100, 204, 244), then a pixel value variance corresponding to R, a pixel value variance corresponding to G, and a pixel value variance corresponding to B may be respectively calculated, and when all of the three variances are less than a preset variance threshold, a screen resolution corresponding to the pixel set is reduced.
As shown in fig. 5, an embodiment of the present invention further provides a screen display method including:
s41, acquiring image information parameters of the screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points;
s42, prompting an image area to be subjected to resolution adjustment according to the relation between the acquired image information parameters and the preset threshold;
and S43, according to the response instruction to the prompt, adjusting the screen resolution of the corresponding image area to reduce the screen resolution corresponding to the display object with the image information parameter smaller than the preset threshold value.
In this embodiment, after the image information parameter is acquired, resolution adjustment is not directly performed, but an alternative area used as resolution adjustment is determined according to a relationship between the image information parameter and a preset threshold, the alternative area may be prompted in a manner of outline drawing, highlight display, or the like, and then the screen resolution of the corresponding image area is adjusted after the prompt is responded in a manner of user selection or default selection, or the like.
Specifically, one or more regions to be subjected to resolution adjustment may appear on the screen, so that when the screen resolution of the corresponding image region is adjusted according to the response instruction to the prompt, one or more regions may be selected from the image region to be subjected to resolution adjustment according to the response instruction to perform screen resolution adjustment, which is not limited in the embodiment of the present invention.
It should be noted that, the foregoing embodiment mainly describes that the screen resolution of the position where the display object with the image information parameter smaller than the preset threshold is located is reduced, and other positions of the screen are not limited too much. Optionally, in an embodiment of the present invention, in the process of adjusting the screen resolution according to the image information parameter, the screen resolution of the position where the display object whose image information parameter is smaller than the preset threshold is located may be reduced, while the screen resolutions of other positions are kept unchanged, and the screen resolutions of other positions may also be adaptively adjusted, as long as the screen power is not increased, which is not limited in the embodiment of the present invention.
For example, as shown in fig. 6, in an embodiment of the present invention, the image contrast of the regions B1 and B2 is determined to be low according to the acquired image information parameters of the screen display object, so as to prompt the user to adjust the screen resolutions of the two regions, and when the user selects B1 and/or B2, the corresponding screen resolution is adjusted to be low.
In the above embodiment, when the screen resolution is adjusted, the degree of reduction of the screen resolution is related to the difference between the image information parameter and the preset threshold, that is, the larger the difference between the image information parameter and the preset threshold is, the less the image details are described, so that the corresponding screen resolution can be reduced more, and the smaller the difference between the image information parameter and the preset threshold is, the more the image details are described, the less the corresponding screen resolution can be reduced. The screen resolution reduction degree and the difference value may be various functional relationships such as a linear functional relationship, a quadratic functional relationship, and the like, which is not limited in the embodiment of the present invention.
Accordingly, as shown in fig. 7, an embodiment of the present invention further provides a computer device, which includes a processor 71, a memory 72, and a communication bus 73; the communication bus is used for realizing connection communication between the processor and the memory; the processor is configured to execute computer instructions stored in the memory to perform operations comprising:
acquiring image information parameters of a screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points;
and adjusting the screen resolution according to the image information parameters to reduce the screen resolution corresponding to the display object with the image information parameters smaller than the preset threshold value.
The computer equipment provided by the embodiment of the invention can acquire the image information parameters of various screen display objects, and then adjust the corresponding screen resolution according to the image information parameters, so that when the corresponding image detail information in the image information parameters of the screen display objects is not abundant, the screen resolution can be adjusted, and the corresponding screen resolution is reduced, thereby effectively reducing the screen power consumption while not influencing the image display quality and the user experience.
In particular, in practical applications, it is often the case that the screen resolution and the image resolution of the display object are not consistent, and then the display image has to be stretched or compressed to adapt to the screen resolution, which on the one hand may cause image distortion or image detail distortion, and on the other hand, may cause unnecessary waste by enlarging a clear small image into a blurred large image for display. In order to improve the problem, an image information parameter of the screen display object may be acquired, and then the screen resolution may be adjusted according to the acquired image information parameter, so that the screen resolution corresponding to the display object whose image information parameter is smaller than a preset threshold is reduced.
Alternatively, the screen display object may be various display interfaces such as pictures, documents, applications, controls, and the like. The embodiments of the present invention are not limited thereto. These screen display objects can be presented on the display screen in the form of various images, i.e. with corresponding image information parameters. Alternatively, the image information parameters may include image resolution, image contrast, sharpness, and the like of the screen display object.
Specifically, in an embodiment of the present invention, when the processor 71 executes the acquiring of the image information parameter of the screen display object, the specifically executed steps include: acquiring the image resolution of the screen display object;
based on this, the processor 71, in performing the adjusting of the screen resolution according to the image information parameter, comprises: in the event that the image resolution is less than a current screen resolution, reducing the screen resolution.
For example, in one embodiment of the present invention, assume that the user selects an 800 × 600 picture as the wallpaper of the mobile phone, and the screen resolution of the mobile phone screen is 1080 × 1920. When displaying, firstly acquiring the image information parameters of the mobile phone wallpaper, wherein the image resolution is 600 × 800, and since the image resolution is smaller than the current mobile phone screen resolution 1080 × 1920, the mobile phone screen resolution can be properly reduced, so as to achieve the effect of reducing the screen power consumption.
Optionally, the specific method for reducing the resolution of the screen may be to re-analyze a part of the pixels in the screen, and combine two originally adjacent pixels in a part of the area of the screen into one pixel for signal control and image display.
Further, in addition to determining whether the screen resolution needs to be adjusted according to the resolution of the image, the determination may be made according to other image information parameters. Optionally, in an embodiment of the present invention, acquiring the image information parameter of the screen display object may include: acquiring the image contrast of the screen display object; the adjusting the screen resolution according to the image information parameter may include: reducing the screen resolution if the image contrast is less than a preset contrast threshold. Specifically, the contrast of an image refers to the ratio between the brightest and darkest areas of the image, and the larger the ratio, the more gradation from black to white, and thus the richer the color representation. That is, if the contrast of the image is small, the gradation level from black to white between the brightest and darkest of the image is small, so that the difference between the color and the brightness between two adjacent pixels is correspondingly small, even if the screen resolution of the display screen is reduced, human eyes cannot distinguish the pixels, and therefore, in this case, the screen power consumption can be reduced by reducing the screen resolution, and the user experience cannot be reduced.
Optionally, the image contrast may be a contrast of an entire image, or a contrast of a certain part or detail of the image, and the corresponding screen resolution adjustment may be a screen resolution adjustment for the entire image, or a screen resolution adjustment for a certain part or detail of an image, as long as the screen power consumption can be reduced without affecting user experience, which is not limited in the embodiment of the present invention.
Further, in an embodiment of the present invention, the screen resolution may also be adjusted according to how fast the color transition of the image edge of the screen display object is. The edge of the image generally has color transition, if the color transition is fast, the image edge is sharper, if the color transition is slow, the image edge is softer, so that the resolution of the screen corresponding to the image edge part with the slow color transition can be properly reduced, and the power consumption of the screen is effectively reduced under the condition of not influencing the user experience.
Specifically, in one embodiment of the present invention, acquiring the image information parameter of the screen display object may include: acquiring RGB value variance between RGB values of pixel points in each pixel set in the screen display object; wherein the set of pixels comprises at least 2 pixels points adjacent to each other; the adjusting the screen resolution according to the image information parameter includes: and reducing the screen resolution corresponding to the pixel set under the condition that the RGB value variance is smaller than a preset variance threshold value.
For example, if a user uses a landscape character photo as a desktop, a near view is a character, and a far view is a landscape, in order to reduce screen power consumption as much as possible without affecting user experience, pixel analysis may be performed on the whole photo, as shown in fig. 4, a pixel point in the whole photo may be divided into a plurality of pixel sets, and a variance of RGB values of each pixel point in each pixel set is studied. Each of the pixel sets may include at least 2 pixel points, for example, in an embodiment of the present invention, each of the pixel sets may include 10 to 20 pixel points. The number of pixels included in each pixel set may be equal or different, and the shape of each pixel set is not limited to the circle shown in the figure, and may also be a rectangle, a triangle, a polygon, or other irregular shapes, which is not limited in this embodiment of the present invention. The contour of the character in the close shot is clear, the variance value of each pixel point in one pixel set is larger, the higher screen resolution can be kept for clearly displaying the character, and for the landscape in the far shot, the RGB variance value of each pixel point in each pixel set is smaller due to the relative softness of the contour of the landscape, so that the screen resolution corresponding to the pixel points can be reduced. For example, the original 4 pixels in the pixel set are changed into one pixel, and the like.
Since R, G, B represent different colors, the variance can be calculated for R, G, B pixel values, and the corresponding screen resolution can be adjusted if the variance is less than the threshold.
For example, in an embodiment of the present invention, a pixel set includes three pixels a1, a2, and A3, where RGB value of a1 is (102, 204, 255), RGB value of a2 is (110, 201, 240), and RGB value of A3 is (100, 204, 244), then a pixel value variance corresponding to R, a pixel value variance corresponding to G, and a pixel value variance corresponding to B may be respectively calculated, and when all of the three variances are less than a preset variance threshold, a screen resolution corresponding to the pixel set is reduced.
Further, after the processor 71 performs the step of acquiring the image information parameter of the screen display object, the following steps may be further performed: prompting an image area to be subjected to resolution adjustment according to the relation between the acquired image information parameter and the preset threshold; correspondingly, when the processor 71 performs the adjustment of the screen resolution according to the image information parameter, the specific steps may include: and adjusting the screen resolution of the corresponding image area according to the response instruction of the prompt.
That is, after the image information parameter is acquired, the resolution is not directly adjusted, but the candidate regions for resolution adjustment are determined according to the relationship between the image information parameter and the preset threshold, the candidate regions can be prompted in a manner of outline drawing and highlight display, and then the screen resolution of the corresponding image region is adjusted after the prompt is responded in a manner of user selection or default selection.
Specifically, one or more regions to be subjected to resolution adjustment may appear on the screen, so that when the screen resolution of the corresponding image region is adjusted according to the response instruction to the prompt, one or more regions may be selected from the image region to be subjected to resolution adjustment according to the response instruction to perform screen resolution adjustment, which is not limited in the embodiment of the present invention.
It should be noted that, the foregoing embodiment mainly describes that the screen resolution of the position where the display object with the image information parameter smaller than the preset threshold is located is reduced, and other positions of the screen are not limited too much. Optionally, in an embodiment of the present invention, in the process of adjusting the screen resolution according to the image information parameter, the screen resolution of the position where the display object whose image information parameter is smaller than the preset threshold is located may be reduced, while the screen resolutions of other positions are kept unchanged, and the screen resolutions of other positions may also be adaptively adjusted, as long as the screen power is not increased, which is not limited in the embodiment of the present invention.
For example, as shown in fig. 6, in an embodiment of the present invention, the image contrast of the regions B1 and B2 is determined to be low according to the acquired image information parameters of the screen display object, so as to prompt the user to adjust the screen resolutions of the two regions, and when the user selects B1 and/or B2, the corresponding screen resolution is adjusted to be low.
In the above embodiment, when the screen resolution is adjusted, the degree of reduction of the screen resolution is related to the difference between the image information parameter and the preset threshold, that is, the larger the difference between the image information parameter and the preset threshold is, the less the image details are described, so that the corresponding screen resolution can be reduced more, and the smaller the difference between the image information parameter and the preset threshold is, the more the image details are described, the less the corresponding screen resolution can be reduced. The screen resolution reduction degree and the difference value may be various functional relationships such as a linear functional relationship, a quadratic functional relationship, and the like, which is not limited in the embodiment of the present invention.
Accordingly, embodiments of the present invention also provide a computer readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to perform the steps of:
acquiring image information parameters of a screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points;
and adjusting the screen resolution according to the image information parameters to reduce the screen resolution corresponding to the display object with the image information parameters smaller than the preset threshold value.
The computer-readable storage medium provided by the embodiment of the invention can acquire the image information parameters of various screen display objects, and then adjust the corresponding screen resolution according to the image information parameters, so that when the corresponding image detail information in the image information parameters of the screen display objects is not abundant, the screen resolution can be adjusted, and the corresponding screen resolution is reduced, thereby effectively reducing the screen power consumption while not affecting the image display quality and the user experience.
In particular, in practical applications, it is often the case that the screen resolution and the image resolution of the display object are not consistent, and then the display image has to be stretched or compressed to adapt to the screen resolution, which on the one hand may cause image distortion or image detail distortion, and on the other hand, may cause unnecessary waste by enlarging a clear small image into a blurred large image for display. In order to improve the problem, an image information parameter of the screen display object may be acquired, and then the screen resolution may be adjusted according to the acquired image information parameter, so that the screen resolution corresponding to the display object whose image information parameter is smaller than a preset threshold is reduced.
Alternatively, the screen display object may be various display interfaces such as pictures, documents, applications, controls, and the like. The embodiments of the present invention are not limited thereto. These screen display objects can be presented on the display screen in the form of various images, i.e. with corresponding image information parameters. Alternatively, the image information parameters may include image resolution, image contrast, sharpness, and the like of the screen display object.
Specifically, in one embodiment of the present invention, when acquiring the image information parameter of the screen display object is performed, the specifically performed steps include: acquiring the image resolution of the screen display object;
based on this, performing the screen resolution adjustment according to the image information parameters comprises: in the event that the image resolution is less than a current screen resolution, reducing the screen resolution.
Optionally, the specific method for reducing the resolution of the screen may be to re-analyze a part of the pixels in the screen, and combine two originally adjacent pixels in a part of the area of the screen into one pixel for signal control and image display.
Further, in addition to determining whether the screen resolution needs to be adjusted according to the resolution of the image, the determination may be made according to other image information parameters. Optionally, in an embodiment of the present invention, acquiring the image information parameter of the screen display object may include: acquiring the image contrast of the screen display object; the adjusting the screen resolution according to the image information parameter may include: reducing the screen resolution if the image contrast is less than a preset contrast threshold. Specifically, the contrast of an image refers to the ratio between the brightest and darkest areas of the image, and the larger the ratio, the more gradation from black to white, and thus the richer the color representation. That is, if the contrast of the image is small, the gradation level from black to white between the brightest and darkest of the image is small, so that the difference between the color and the brightness between two adjacent pixels is correspondingly small, even if the screen resolution of the display screen is reduced, human eyes cannot distinguish the pixels, and therefore, in this case, the screen power consumption can be reduced by reducing the screen resolution, and the user experience cannot be reduced.
Optionally, the image contrast may be a contrast of an entire image, or a contrast of a certain part or detail of the image, and the corresponding screen resolution adjustment may be a screen resolution adjustment for the entire image, or a screen resolution adjustment for a certain part or detail of an image, as long as the screen power consumption can be reduced without affecting user experience, which is not limited in the embodiment of the present invention.
Further, in an embodiment of the present invention, the screen resolution may also be adjusted according to how fast the color transition of the image edge of the screen display object is. The edge of the image generally has color transition, if the color transition is fast, the image edge is sharper, if the color transition is slow, the image edge is softer, so that the resolution of the screen corresponding to the image edge part with the slow color transition can be properly reduced, and the power consumption of the screen is effectively reduced under the condition of not influencing the user experience.
Specifically, in one embodiment of the present invention, acquiring the image information parameter of the screen display object may include: acquiring RGB value variance between RGB values of pixel points in each pixel set in the screen display object; wherein the set of pixels comprises at least 2 pixels points adjacent to each other; the adjusting the screen resolution according to the image information parameter includes: and reducing the screen resolution corresponding to the pixel set under the condition that the RGB value variance is smaller than a preset variance threshold value.
Since R, G, B represent different colors, the variance can be calculated for R, G, B pixel values, and the corresponding screen resolution can be adjusted if the variance is less than the threshold.
Further, after the acquiring of the image information parameter of the screen display object is performed, the following steps may be further performed: prompting an image area to be subjected to resolution adjustment according to the relation between the acquired image information parameter and the preset threshold; correspondingly, when the processor 31 performs the adjustment of the screen resolution according to the image information parameter, the specific steps performed may include: and adjusting the screen resolution of the corresponding image area according to the response instruction of the prompt.
That is, after the image information parameter is acquired, the resolution is not directly adjusted, but the candidate regions for resolution adjustment are determined according to the relationship between the image information parameter and the preset threshold, the candidate regions can be prompted in a manner of outline drawing and highlight display, and then the screen resolution of the corresponding image region is adjusted after the prompt is responded in a manner of user selection or default selection.
Specifically, one or more regions to be subjected to resolution adjustment may appear on the screen, so that when the screen resolution of the corresponding image region is adjusted according to the response instruction to the prompt, one or more regions may be selected from the image region to be subjected to resolution adjustment according to the response instruction to perform screen resolution adjustment, which is not limited in the embodiment of the present invention.
It should be noted that, the foregoing embodiment mainly describes that the screen resolution of the position where the display object with the image information parameter smaller than the preset threshold is located is reduced, and other positions of the screen are not limited too much. Optionally, in an embodiment of the present invention, in the process of adjusting the screen resolution according to the image information parameter, the screen resolution of the position where the display object whose image information parameter is smaller than the preset threshold is located may be reduced, while the screen resolutions of other positions are kept unchanged, and the screen resolutions of other positions may also be adaptively adjusted, as long as the screen power is not increased, which is not limited in the embodiment of the present invention.
In the above embodiment, when the screen resolution is adjusted, the degree of reduction of the screen resolution is related to the difference between the image information parameter and the preset threshold, that is, the larger the difference between the image information parameter and the preset threshold is, the less the image details are described, so that the corresponding screen resolution can be reduced more, and the smaller the difference between the image information parameter and the preset threshold is, the more the image details are described, the less the corresponding screen resolution can be reduced. The screen resolution reduction degree and the difference value may be various functional relationships such as a linear functional relationship, a quadratic functional relationship, and the like, which is not limited in the embodiment of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A screen display method, comprising:
acquiring image information parameters of a screen display object; the image information parameter includes at least one of: image resolution, image contrast and RGB value variance of pixel points; the acquiring of the image information parameters of the screen display object comprises: acquiring RGB value variance between RGB values of pixel points in each pixel set in the screen display object; wherein the set of pixels comprises at least 2 pixels points adjacent to each other;
adjusting the screen resolution according to the image information parameters to reduce the screen resolution corresponding to the display object with the image information parameters smaller than a preset threshold; the adjusting the screen resolution according to the image information parameter includes: and reducing the screen resolution corresponding to the pixel set under the condition that the RGB value variance is smaller than a preset variance threshold value.
2. The method of claim 1, wherein the obtaining image information parameters of the screen display object comprises:
acquiring the image resolution of the screen display object;
the adjusting the screen resolution according to the image information parameter includes:
in the event that the image resolution is less than a current screen resolution, reducing the screen resolution.
3. The method of claim 1, wherein the obtaining image information parameters of the screen display object comprises:
acquiring the image contrast of the screen display object;
the adjusting the screen resolution according to the image information parameter includes:
reducing the screen resolution if the image contrast is less than a preset contrast threshold.
4. The method according to any one of claims 1 to 3, wherein after the acquiring image information parameters of the screen display object, the method further comprises:
prompting an image area to be subjected to resolution adjustment according to the relation between the acquired image information parameter and the preset threshold;
the adjusting the screen resolution according to the image information parameter includes:
and adjusting the screen resolution of the corresponding image area according to the response instruction of the prompt.
5. The method of claim 4, wherein adjusting the screen resolution of the corresponding image area according to the response instruction to the prompt comprises:
and selecting one or more areas from the image areas to be subjected to resolution adjustment according to the response instruction to adjust the screen resolution.
6. The method of any of claims 1-3, wherein said adjusting a screen resolution according to the image information parameter comprises:
and reducing the screen resolution of the position where the display object with the image information parameter smaller than the preset threshold is positioned, and simultaneously keeping the screen resolution of other positions unchanged.
7. The method of claim 1, wherein the degree of reduction of the screen resolution is related to a difference between the image information parameter and the preset threshold.
8. A computer device, comprising a processor, a memory, and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute computer instructions stored in the memory to implement the screen display method of any one of claims 1 to 7.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores one or more programs which are executable by one or more processors to implement the screen display method of any one of claims 1 to 7.
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