CN114495859B - Picture display method, device, display terminal and storage medium - Google Patents
Picture display method, device, display terminal and storage medium Download PDFInfo
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- CN114495859B CN114495859B CN202210175047.6A CN202210175047A CN114495859B CN 114495859 B CN114495859 B CN 114495859B CN 202210175047 A CN202210175047 A CN 202210175047A CN 114495859 B CN114495859 B CN 114495859B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a picture display method, which comprises the following steps: when a display picture is received, acquiring environmental impact information of the display picture; determining a target picture brightness-gray scale curve corresponding to the environmental impact information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environmental impact information; adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture; and displaying the result display picture. The invention also discloses a picture display device, a display terminal and a storage medium. By using the method of the invention, the brightness-gray level curve of the target picture corresponds to the environmental influence information, so that the obtained result display picture can be matched with the environment, and the display effect of the result display picture is improved.
Description
Technical Field
The present invention relates to the field of display control technologies, and in particular, to a method and apparatus for displaying a picture, a display terminal, and a storage medium.
Background
Along with the improvement of living standard of people, the display requirements of people on the display terminal are also higher and higher. At present, the display terminal adjusts the display effect of the picture by dynamically adjusting the contrast of the display picture, thereby meeting the watching requirement of a user.
However, in the conventional method, when the display terminal displays a screen, the screen display effect is poor.
Disclosure of Invention
The invention mainly aims to provide a picture display method, a picture display device, a display terminal and a storage medium, and aims to solve the technical problem that when a picture is displayed by the display terminal in the prior art, the display effect of the picture is poor.
In order to achieve the above object, the present invention provides a picture display method, which includes the following steps:
when a display picture is received, acquiring environmental impact information of the display picture;
determining a target picture brightness-gray scale curve corresponding to the environmental impact information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environmental impact information;
adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture;
and displaying the result display picture.
Optionally, before the step of acquiring the environmental impact information of the display screen, the method further includes:
acquiring light source related information and a target gray value of the display picture, wherein the light source related information comprises external light source information and/or current time information;
And obtaining the environmental impact information according to the light source related information and the target gray value.
Optionally, before the step of determining the target screen brightness-gray scale curve corresponding to the environmental impact information in the first curve set, the method further includes:
dividing the display picture into a plurality of sub-pictures;
determining first sub-environment influence information corresponding to each sub-graph in the environment influence information;
the step of determining a target picture brightness-gray scale curve corresponding to the environmental impact information in the first curve set includes:
determining a plurality of target picture brightness-gray scale curves corresponding to a plurality of first sub-environment influence information in the first curve set;
the step of adjusting the display screen by using the target screen brightness-gray scale curve to obtain a result display screen comprises the following steps:
adjusting each sub-graph according to a target picture brightness-gray level curve corresponding to each sub-graph to obtain a plurality of adjusted sub-graphs;
and obtaining the result display picture according to the plurality of adjusted subgraphs.
Optionally, the step of adjusting each sub-graph according to the target picture brightness-gray level curve corresponding to each sub-graph by the root to obtain a plurality of adjusted sub-graphs includes:
Determining a corresponding adjustment picture brightness value in a target picture brightness-gray scale curve corresponding to each sub-picture according to the gray scale value of each sub-picture;
and adjusting the brightness of each sub-picture according to the adjusted picture brightness value of each sub-picture so as to obtain a plurality of adjusted sub-pictures.
Optionally, the display terminal is used for a display terminal, and the display terminal further comprises a backlight module; before the step of displaying the result display screen, the method further includes:
determining a target backlight brightness-gray scale curve corresponding to the environmental impact information in a second curve set, wherein the second curve set comprises backlight brightness-gray scale curves corresponding to different environmental impact information;
and adjusting the brightness of the backlight module by utilizing the target backlight brightness-gray scale curve.
Optionally, the backlight module includes a plurality of backlight partitions; before the step of determining the target backlight brightness-gray scale curve corresponding to the environmental impact information in the second curve set, the method preferably includes:
dividing the display picture into a plurality of divided areas according to the backlight partitions, wherein one divided area corresponds to one backlight partition;
Determining second sub-environment influence information corresponding to each divided area in the environment influence information;
the step of determining a target backlight brightness-gray scale curve corresponding to the environmental impact information in the second curve set includes:
determining a plurality of target backlight brightness-gray scale curves corresponding to a plurality of second sub-environment influence information in the second curve set;
the step of adjusting the brightness of the backlight module by using the target backlight brightness-gray scale curve comprises the following steps:
determining a corresponding adjustment backlight brightness value in a target backlight brightness-gray scale curve corresponding to each divided area according to the gray scale value of each divided area;
and according to the adjusted backlight brightness value of each divided area, adjusting the backlight brightness of the backlight subarea corresponding to each divided area.
Optionally, before the step of displaying the result display screen, the method further includes:
acquiring the adjusted backlight brightness information of the backlight module;
obtaining image supplementary data according to the environmental impact information and the backlight brightness information;
performing data supplementing operation on the result display picture by using the image supplementing data to obtain a final display picture;
The step of displaying the result display picture includes:
and displaying the final display picture.
In addition, in order to achieve the above object, the present invention also provides a picture display device, which includes:
the receiving module is used for acquiring the environmental influence information of the display picture when the display picture is received;
the determining module is used for determining a target picture brightness-gray scale curve corresponding to the environment influence information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environment influence information;
the adjusting module is used for adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture;
and the display module is used for displaying the result display picture.
In addition, in order to achieve the above object, the present invention also provides a display terminal, including: a memory, a processor, and a screen display program stored on the memory and running on the processor, the screen display program, when executed by the processor, implementing the steps of the screen display method according to any one of the preceding claims.
In addition, in order to achieve the above object, the present invention also proposes a storage medium having stored thereon a screen display program which, when executed by a processor, implements the steps of the screen display method according to any one of the above.
The technical scheme of the invention provides a picture display method, which comprises the following steps: when a display picture is received, acquiring environmental impact information of the display picture; determining a target picture brightness-gray scale curve corresponding to the environmental impact information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environmental impact information; adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture; and displaying the result display picture.
In the prior art, the display effect of the display screen is adjusted by dynamically adjusting the contrast of the display screen, and when the display terminal dynamically adjusts the contrast of the display screen, the environmental influence information is not considered, so that when the display screen is displayed by the display terminal, the display screen is difficult to match with the environment, and the display effect of the display screen is poor. By using the method of the invention, the brightness-gray level curve of the target picture corresponding to the environmental impact information is determined in the first curve set, and the display picture is adjusted according to the brightness-gray level curve of the target picture, and the brightness-gray level curve of the target picture corresponds to the environmental impact information, so that the obtained result display picture can be matched with the environment, and the display effect of the result display picture is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a display terminal in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart of a first embodiment of a display method according to the present invention;
FIG. 3 is a diagram showing a brightness-gray scale curve of a frame according to the present invention;
FIG. 4 is a schematic diagram of a display screen according to the present invention;
FIG. 5 is a schematic diagram of a backlight brightness-gray scale curve according to the present invention;
FIG. 6 is a schematic diagram of a backlight partition structure of a backlight module according to the present invention;
fig. 7 is a block diagram illustrating a first embodiment of a display device according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a display terminal structure of a hardware running environment according to an embodiment of the present invention.
The display terminal may be a Mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a Personal Digital Assistant (PDA), a tablet personal computer (PAD), or other User Equipment (UE), a handheld device, an in-vehicle device, a wearable device, a computing device, or other processing device connected to a wireless modem, a Mobile Station (MS), or the like. The display terminal may be referred to as a user terminal, a portable terminal, a desktop terminal, or the like.
In general, a display terminal includes: at least one processor 301, a memory 302 and a picture display program stored on said memory and executable on said processor, said picture display program being configured to implement the steps of the picture display method as described above.
Processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 301 may be implemented in at least one hardware form of DSP (Digital Signal Processing ), FPGA (Field-Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array ). The processor 301 may also include a main processor, which is a processor for processing data in an awake state, also called a CPU (Central ProcessingUnit ), and a coprocessor; a coprocessor is a low-power processor for processing data in a standby state. In some embodiments, the processor 301 may integrate a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen. The processor 301 may also include an AI (Artificial Intelligence ) processor for processing relevant screen display method operations so that the screen display method model may be self-training learned, improving efficiency and accuracy.
Memory 302 may include one or more storage media, which may be non-transitory. Memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory storage medium in memory 302 is used to store at least one instruction for execution by processor 301 to implement the picture display method provided by the method embodiments herein.
In some embodiments, the terminal may further optionally include: a communication interface 303, and at least one peripheral device. The processor 301, the memory 302 and the communication interface 303 may be connected by a bus or signal lines. The respective peripheral devices may be connected to the communication interface 303 through a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of radio frequency circuitry 304, a display screen 305, and a power supply 306.
The communication interface 303 may be used to connect at least one peripheral device associated with an I/O (Input/Output) to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and communication interface 303 are integrated on the same chip or circuit board; in some other embodiments, either or both of the processor 301, the memory 302, and the communication interface 303 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 304 is configured to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuitry 304 communicates with a communication network and other communication devices via electromagnetic signals. The radio frequency circuit 304 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 includes: antenna systems, RF transceivers, one or more amplifiers, tuners, oscillators, digital signal processors, codec chipsets, subscriber identity module cards, and so forth. The radio frequency circuitry 304 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to: metropolitan area networks, various generations of mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity ) networks. In some embodiments, the radio frequency circuitry 304 may also include NFC (Near Field Communication ) related circuitry, which is not limited in this application.
The display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display 305 is a touch screen, the display 305 also has the ability to collect touch signals at or above the surface of the display 305. The touch signal may be input as a control signal to the processor 301 for processing. At this point, the display 305 may also be used to provide virtual buttons and/or virtual keyboards, also referred to as soft buttons and/or soft keyboards. In some embodiments, the display 305 may be one, the front panel of an electronic device; in other embodiments, the display screen 305 may be at least two, respectively disposed on different surfaces of the electronic device or in a folded design; in still other embodiments, the display 305 may be a flexible display disposed on a curved surface or a folded surface of the electronic device. Even more, the display screen 305 may be arranged in an irregular pattern other than rectangular, i.e., a shaped screen. The display 305 may be made of LCD (LiquidCrystal Display ), OLED (Organic Light-Emitting Diode) or other materials.
The power supply 306 is used to power the various components in the electronic device. The power source 306 may be alternating current, direct current, disposable or rechargeable. When the power source 306 comprises a rechargeable battery, the rechargeable battery may support wired or wireless charging. The rechargeable battery may also be used to support fast charge technology. It will be appreciated by those skilled in the art that the structure shown in fig. 1 is not limiting of the display terminal and may include more or fewer components than shown, or may combine certain components, or may be arranged in different components.
In addition, the embodiment of the invention also provides a storage medium, wherein a picture display program is stored on the storage medium, and the picture display program realizes the steps of the picture display method when being executed by a processor. Therefore, a detailed description will not be given here. In addition, the description of the beneficial effects of the same method is omitted. For technical details not disclosed in the embodiments of the storage medium related to the present application, please refer to the description of the method embodiments of the present application. As determined as an example, the program instructions may be deployed to be executed on one display terminal or on multiple display terminals located at one site or, alternatively, on multiple display terminals distributed across multiple sites and interconnected by a communication network.
Those skilled in the art will appreciate that all or part of the above-described methods may be implemented by a computer program for instructing relevant hardware, and the above-described program may be stored in a storage medium, and the program may include the steps of the above-described embodiments of the methods when executed. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random access Memory (Random AccessMemory, RAM), or the like.
Embodiment one:
referring to fig. 2, fig. 2 is a flowchart of a first embodiment of a method for displaying images according to the present invention, the method includes the following steps:
step S11: and when the display picture is received, acquiring the environment influence information of the display picture.
The execution subject of the present invention is a display terminal, the display terminal is provided with a screen display program, and when the display terminal executes the screen display program, the steps of the screen display method of the present invention are realized.
In a specific application, the display frames may be pictures, video frames of video or application interfaces, etc., and for video, each video frame is one display frame, and usually, other devices or servers send the display frames to the display terminal, or the display terminal invokes the stored interface frames by itself, etc.
The environmental impact information generally refers to information that affects the look and feel of a display screen, such as current time information (including specific time, season, month, or different time periods of day, etc.), and may further include display information of the display terminal itself (such as information of backlight intensity and screen gray value).
Step S12: and determining a target picture brightness-gray scale curve corresponding to the environment influence information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environment influence information.
The first curve set includes a plurality of image brightness-gray level curves, and each image brightness-gray level curve represents a relationship between a gray level value of an image and an image brightness value.
Referring to fig. 3, fig. 3 is a schematic diagram of a luminance-gray scale curve of a picture according to the present invention, wherein the abscissa is a gray scale value of the picture, and the ordinate is a luminance value of the picture, and four different luminance-gray scale curves are shown in fig. 3.
The different environmental impact information corresponds to different brightness-gray scale curves of the picture, and the brightness-gray scale curve of the picture corresponding to the environmental impact information in the step S11 is the target brightness-gray scale curve in the step S12.
Step S13: and adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture.
Step S14: and displaying the result display picture.
After the corresponding target picture brightness-gray scale curve is obtained, brightness adjustment is carried out on the display picture according to the relation between the gray scale value and the picture brightness value in the target picture brightness-gray scale curve, an adjusted display picture is obtained, the adjusted display picture is the result display picture, and then the result display picture is displayed.
The technical scheme of the invention provides a picture display method, which comprises the following steps: when a display picture is received, acquiring environmental impact information of the display picture; determining a target picture brightness-gray scale curve corresponding to the environmental impact information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environmental impact information; adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture; and displaying the result display picture.
In the prior art, the display effect of the display screen is adjusted by dynamically adjusting the contrast of the display screen, and when the display terminal dynamically adjusts the contrast of the display screen, the environmental influence information is not considered, so that when the display screen is displayed by the display terminal, the display screen is difficult to match with the environment, and the display effect of the display screen is poor. By using the method of the invention, the brightness-gray level curve of the target picture corresponding to the environmental impact information is determined in the first curve set, and the display picture is adjusted according to the brightness-gray level curve of the target picture, and the brightness-gray level curve of the target picture corresponds to the environmental impact information, so that the obtained result display picture can be matched with the environment, and the display effect of the result display picture is improved.
Embodiment two:
further, before the step of obtaining the environmental impact information of the display screen, the method further includes: acquiring light source related information and a target gray value of the display picture, wherein the light source related information comprises external light source information and/or current time information; and obtaining the environmental impact information according to the light source related information and the target gray value.
The light source related information refers to external light intensity information detected by a light sensing sensor of the display terminal when the display terminal displays a picture, then current time information (information such as daytime, evening, noon, afternoon, early morning, dusk, midnight, season, solar terms or specific time) is obtained, and the external light intensity information and/or the current time information refer to light source related information, that is, the light source related information includes external light intensity information (the external light intensity information can be converted into an electric signal of the light sensing sensor through an optical signal, so as to obtain actual data corresponding to the corresponding external light intensity information), the current time information or combination information thereof. The target gray value refers to a representative gray value corresponding to each pixel of the display screen (the representative gray value may refer to an average gray value of all pixels in the display screen, a weighted average of all pixels, or a gray value obtained by other algorithms, etc.), and since the number of pixels of the display screen is large, the target gray value is used as a representative gray value for obtaining a corresponding target screen brightness-gray scale curve.
The environmental impact information is the combination information of the light source related information and the target gray level value, and the target picture brightness-gray level curve is determined according to the combination information. In a specific application, the method may be a technician or an electronic device, and a plurality of image brightness-gray scale curves are constructed according to different preset environmental impact information, preset gray scale values corresponding to the different preset environmental impact information and image brightness values corresponding to the preset gray scale values under the different preset environmental impact information, so as to obtain a first curve set.
Further, before the step of determining the target screen brightness-gray scale curve corresponding to the environmental impact information in the first curve set, the method further includes: dividing the display picture into a plurality of sub-pictures; determining first sub-environment influence information corresponding to each sub-graph in the environment influence information; the step of determining a target picture brightness-gray scale curve corresponding to the environmental impact information in the first curve set includes: determining a plurality of target picture brightness-gray scale curves corresponding to a plurality of first sub-environment influence information in the first curve set; the step of adjusting the display screen by using the target screen brightness-gray scale curve to obtain a result display screen comprises the following steps: adjusting each sub-graph according to a target picture brightness-gray level curve corresponding to each sub-graph to obtain a plurality of adjusted sub-graphs; and obtaining the result display picture according to the plurality of adjusted subgraphs.
In some embodiments, the display screen is divided into a plurality of different sub-images, and the first sub-environmental impact information corresponding to each sub-image is determined in the environmental impact information.
Referring to fig. 4, fig. 4 is a schematic diagram of a display screen according to the present invention; the display screen is divided into 8 sub-images, and the sub-images are distinguished by using numbers 1 to 8, and in general, the environmental impact information corresponding to each sub-image is the first sub-environmental impact information, that is, in fig. 4, the 8 first sub-environmental impact information corresponds to each sub-image.
The light source related information they include may be the same for each of the first sub-environmental impact information, and the target gray values they include may be different (because the gray values of the respective pixels of each sub-image may be different, the corresponding target gray values may be different). Then, the first sub-environment influence information of each sub-picture corresponds to a target picture brightness-gray scale curve.
And then, adjusting each sub-picture by utilizing a target picture brightness-gray scale curve of each sub-picture to obtain a plurality of adjusted sub-pictures, and then splicing the plurality of adjusted sub-pictures to obtain a result display picture. When in splicing, splicing is needed according to a division mode. Referring to fig. 4, the 1-8 sub-graphs, after being adjusted, still splice in the original order, e.g., 2 to the right of 1.
In a specific application, the division manner of the sub-images may be average division, and the shape of the sub-images may be rectangular or other manners, which is not limited by the present invention.
Specifically, the step of adjusting each sub-graph according to the target picture brightness-gray level curve corresponding to each sub-graph by the root to obtain a plurality of adjusted sub-graphs includes: determining a corresponding adjustment picture brightness value in a target picture brightness-gray scale curve corresponding to each sub-picture according to the gray scale value of each sub-picture; and adjusting the brightness of each sub-picture according to the adjusted picture brightness value of each sub-picture so as to obtain a plurality of adjusted sub-pictures.
The specific adjustment steps are as follows: and determining the gray value of each pixel point for each subgraph, determining the picture brightness value-adjustment picture brightness value of each pixel point in a corresponding target picture brightness-gray level curve according to the gray value of each pixel point, and adjusting the picture brightness value of each pixel point in the subgraph into the determined adjustment picture brightness value to realize brightness adjustment of the subgraph.
In this embodiment, the display screen is divided into a plurality of sub-images, and the plurality of sub-images respectively determine the corresponding brightness-gray level curves of the target screen, so that the brightness-gray level curves of the target screen of each sub-image are better matched with the sub-images, and after each sub-image is adjusted, the display effect is better, and therefore the obtained result display screen has a better display effect.
Further, the display terminal further comprises a backlight module; before the step of displaying the result display screen, the method further includes: determining a target backlight brightness-gray scale curve corresponding to the environmental impact information in a second curve set, wherein the second curve set comprises backlight brightness-gray scale curves corresponding to different environmental impact information; and adjusting the brightness of the backlight module by utilizing the target backlight brightness-gray scale curve.
The second curve set includes a plurality of backlight brightness-gray level curves, and each backlight brightness-gray level curve represents a relationship between a gray level value of a picture and a backlight brightness value. In a specific application, the method may be a technician or an electronic device, and a plurality of backlight brightness-gray scale curves are constructed according to different preset environmental impact information, preset gray scale values corresponding to the different preset environmental impact information and backlight brightness values corresponding to the preset gray scale values under the different environmental impact information, so as to obtain a second curve set.
Referring to fig. 5, fig. 5 is a schematic diagram of a backlight luminance-gray scale curve according to the present invention, wherein the abscissa is the gray scale value of a picture, the ordinate is the backlight luminance value, and four different backlight luminance-gray scale curves are shown in fig. 5.
The different environmental impact information corresponds to different backlight brightness-gray scale curves, and the backlight brightness-gray scale curve corresponding to the environmental impact information in step S11 is the target backlight brightness-gray scale curve.
And after obtaining a corresponding target backlight brightness-gray scale curve, adjusting the brightness of the backlight module according to the relation between the gray scale value and the brightness value in the target backlight brightness-gray scale curve to obtain an adjusted backlight module, and displaying a result display picture by using the adjusted backlight module.
In this embodiment, the brightness of the backlight module is adjusted for the display terminal with the backlight module, so that the display effect of the display terminal is further improved.
Further, the backlight module comprises a plurality of backlight partitions; before the step of determining the target backlight brightness-gray scale curve corresponding to the environmental impact information in the second curve set, the method preferably includes: dividing the display picture into a plurality of divided areas according to the backlight partitions, wherein one divided area corresponds to one backlight partition; determining second sub-environment influence information corresponding to each divided area in the environment influence information; the step of determining a target backlight brightness-gray scale curve corresponding to the environmental impact information in the second curve set includes: determining a plurality of target backlight brightness-gray scale curves corresponding to a plurality of second sub-environment influence information in the second curve set; the step of adjusting the brightness of the backlight module by using the target backlight brightness-gray scale curve comprises the following steps: determining a corresponding adjustment backlight brightness value in a target backlight brightness-gray scale curve corresponding to each divided area according to the gray scale value of each divided area; and according to the adjusted backlight brightness value of each divided area, adjusting the backlight brightness of the backlight subarea corresponding to each divided area.
Referring to fig. 6, fig. 6 is a schematic view of a backlight partition structure of a backlight module according to the present invention; in fig. 6, the display terminal 4 includes a backlight module 41, and the backlight module 41 has eight backlight partitions a-H in total, and in the present invention, the backlight partitions are uniformly distributed, and in other embodiments, the backlight partitions may not be uniformly distributed, which is not limited by the present invention.
The display picture is divided into a plurality of divided areas according to the backlight partitions, one divided area corresponds to one backlight partition, and one divided area is used for displaying in the area corresponding to one backlight partition. The environmental impact information corresponding to each divided area is the second sub-environmental impact information, that is, in fig. 6, 8 pieces of the second sub-environmental impact information, as in the above description.
The light source-related information they include may be the same for the respective second sub-environmental impact information, and the target gray values they include may be different (because the gray values of the respective pixel points of each divided region may be different, the corresponding target gray values may be different). The second sub-ambient influence information of one of the divided regions corresponds to a target backlight luminance-gray scale curve.
Determining a gray scale value of each divided area (which may be a gray scale value obtained by averaging, weighted averaging or other algorithms of gray scale values of all pixel points of the divided area), determining a corresponding backlight brightness value, namely an adjusted backlight brightness value, in a target backlight brightness-gray scale curve corresponding to each divided area by using the gray scale value, adjusting a backlight partition corresponding to the divided area into the determined adjusted backlight brightness value, traversing each divided area to realize brightness adjustment of a plurality of backlight partitions, and thus realizing brightness adjustment of a backlight module. For each backlight partition, after brightness adjustment, the corresponding divided area picture is still displayed.
In this embodiment, when the backlight module of the display terminal has a plurality of backlight partitions, the display screen is divided into a plurality of divided regions based on the plurality of backlight partitions, and the plurality of divided regions correspondingly determine corresponding target backlight brightness-gray scale curves respectively, so that the target backlight brightness-gray scale curve of each divided region is better matched with the backlight partition corresponding to the divided region, so that after each backlight partition is adjusted, the display effect is better, and the result display screen has a better display effect.
Further, before the step of displaying the result display screen, the method further includes: acquiring the adjusted backlight brightness information of the backlight module; obtaining image supplementary data according to the environmental impact information and the backlight brightness information; performing data supplementing operation on the result display picture by using the image supplementing data to obtain a final display picture; the step of displaying the result display picture includes: and displaying the final display picture.
When the backlight module includes a backlight partition, the backlight brightness information refers to the brightness value of the backlight partition, and when the backlight module includes a plurality of backlight partitions, the backlight brightness information may refer to the brightness average value, the weighted average value, or the respective brightness value of the plurality of backlight partitions.
Then, based on the backlight brightness information and the environmental impact information in step S11, image supplementary data is determined to perform a data supplementary operation on the resulting display screen using the image supplementary data, thereby obtaining a final display screen.
When the backlight brightness is adjusted, a loss of screen brightness occurs, and in order to compensate for the loss, it is necessary to obtain image supplementary data in the above-described manner to realize the compensation operation. In general, the greater the backlight brightness in the backlight brightness information or the greater the external light source brightness in the environmental impact information, the greater the image supplement data, and the greater the intensity of the data supplement operation performed on the resulting display screen.
In this embodiment, the data supplementing operation is performed on the result display screen, and the display effect of the final display screen is further improved.
Referring to fig. 7, fig. 7 is a block diagram showing a first embodiment of a picture display device for a display terminal according to the present invention, based on the same inventive concept as the previous embodiment, the device includes:
a receiving module 10, configured to obtain environmental impact information of a display screen when the display screen is received;
a determining module 20, configured to determine a target screen brightness-gray scale curve corresponding to the environmental impact information in a first curve set, where the first curve set includes screen brightness-gray scale curves corresponding to different environmental impact information;
an adjustment module 30, configured to adjust the display screen by using the target screen brightness-gray scale curve, so as to obtain a result display screen;
and a display module 40, configured to display the result display screen.
Further, the apparatus further comprises:
the environment influence information acquisition module is used for acquiring light source related information and a target gray value of the display picture, wherein the light source related information comprises external light source information and/or current time information; and obtaining the environmental impact information according to the light source related information and the target gray value.
Further, the method comprises the steps of,
the determining module 20 is further configured to divide the display screen into a plurality of sub-images; determining first sub-environment influence information corresponding to each sub-graph in the environment influence information; determining a plurality of target picture brightness-gray scale curves corresponding to a plurality of first sub-environment influence information in the first curve set; adjusting each sub-graph according to a target picture brightness-gray level curve corresponding to each sub-graph to obtain a plurality of adjusted sub-graphs; and obtaining the result display picture according to the plurality of adjusted subgraphs.
Further, the method comprises the steps of,
the determining module 20 is further configured to determine a corresponding adjusted picture brightness value in a target picture brightness-gray scale curve corresponding to each sub-picture according to the gray scale value of each sub-picture; and adjusting the brightness of each sub-picture according to the adjusted picture brightness value of each sub-picture so as to obtain a plurality of adjusted sub-pictures.
Further, the display terminal is used for a display terminal, and the display terminal further comprises a backlight module; the apparatus further comprises:
the backlight adjustment module is used for determining a target backlight brightness-gray scale curve corresponding to the environment influence information in a second curve set, wherein the second curve set comprises backlight brightness-gray scale curves corresponding to different environment influence information; and adjusting the brightness of the backlight module by utilizing the target backlight brightness-gray scale curve.
Further, the method comprises the steps of,
the backlight adjusting module is further used for dividing the display picture into a plurality of divided areas according to the plurality of backlight partitions, and one divided area corresponds to one backlight partition; determining second sub-environment influence information corresponding to each divided area in the environment influence information; determining a plurality of target backlight brightness-gray scale curves corresponding to a plurality of second sub-environment influence information in the second curve set; determining a corresponding adjustment backlight brightness value in a target backlight brightness-gray scale curve corresponding to each divided area according to the gray scale value of each divided area; and according to the adjusted backlight brightness value of each divided area, adjusting the backlight brightness of the backlight subarea corresponding to each divided area.
Further, the apparatus further comprises:
the supplementing module is used for acquiring the adjusted backlight brightness information of the backlight module; obtaining image supplementary data according to the environmental impact information and the backlight brightness information; performing data supplementing operation on the result display picture by using the image supplementing data to obtain a final display picture;
the display module 40 is further configured to display the final display screen.
It should be noted that, since the steps executed by the apparatus of this embodiment are the same as those of the foregoing method embodiment, specific implementation manners and technical effects that can be achieved of the apparatus of this embodiment may refer to the foregoing embodiment, and will not be repeated herein.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (8)
1. A picture display method, characterized in that the method comprises the steps of:
when a display picture is received, acquiring environmental impact information of the display picture;
determining a target picture brightness-gray scale curve corresponding to the environmental impact information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environmental impact information; wherein the first curve set includes a plurality of image brightness-gray scale curves, each of which represents a relationship between a gray scale value of an image and an image brightness value;
Adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture;
displaying the result display picture;
the display terminal is used for displaying the terminal and further comprises a backlight module; before the step of displaying the result display screen, the method further includes:
determining a target backlight brightness-gray scale curve corresponding to the environmental impact information in a second curve set, wherein the second curve set comprises backlight brightness-gray scale curves corresponding to different environmental impact information; wherein the second curve set includes a plurality of backlight brightness-gray scale curves, each of the backlight brightness-gray scale curves representing a relationship between a gray scale value of a picture and a backlight brightness value;
utilizing the target backlight brightness-gray scale curve to adjust the brightness of the backlight module;
before the step of displaying the result display screen, the method further includes:
acquiring the adjusted backlight brightness information of the backlight module;
obtaining image supplementary data according to the environmental impact information and the backlight brightness information;
performing data supplementing operation on the result display picture by using the image supplementing data to obtain a final display picture;
The step of displaying the result display picture includes:
and displaying the final display picture.
2. The method of claim 1, wherein prior to the step of obtaining environmental impact information for the display, the method further comprises:
acquiring light source related information and a target gray value of the display picture, wherein the light source related information comprises external light source information and/or current time information;
and obtaining the environmental impact information according to the light source related information and the target gray value.
3. The method of claim 1, wherein prior to the step of determining a target picture brightness-gray level curve corresponding to the environmental impact information in the first set of curves, the method further comprises:
dividing the display picture into a plurality of sub-pictures;
determining first sub-environment influence information corresponding to each sub-graph in the environment influence information;
the step of determining a target picture brightness-gray scale curve corresponding to the environmental impact information in the first curve set includes:
determining a plurality of target picture brightness-gray scale curves corresponding to a plurality of first sub-environment influence information in the first curve set;
The step of adjusting the display screen by using the target screen brightness-gray scale curve to obtain a result display screen comprises the following steps:
adjusting each sub-graph according to a target picture brightness-gray level curve corresponding to each sub-graph to obtain a plurality of adjusted sub-graphs;
and obtaining the result display picture according to the plurality of adjusted subgraphs.
4. The method of claim 3, wherein the step of adjusting each sub-picture according to the target picture brightness-gray level curve corresponding to each sub-picture to obtain a plurality of adjusted sub-pictures comprises:
determining a corresponding adjustment picture brightness value in a target picture brightness-gray scale curve corresponding to each sub-picture according to the gray scale value of each sub-picture;
and adjusting the brightness of each sub-picture according to the adjusted picture brightness value of each sub-picture so as to obtain a plurality of adjusted sub-pictures.
5. The method of claim 1, wherein the backlight module comprises a plurality of backlight partitions; before the step of determining the target backlight brightness-gray scale curve corresponding to the environmental impact information in the second curve set, the method preferably includes:
Dividing the display picture into a plurality of divided areas according to the backlight partitions, wherein one divided area corresponds to one backlight partition;
determining second sub-environment influence information corresponding to each divided area in the environment influence information;
the step of determining a target backlight brightness-gray scale curve corresponding to the environmental impact information in the second curve set includes:
determining a plurality of target backlight brightness-gray scale curves corresponding to a plurality of second sub-environment influence information in the second curve set;
the step of adjusting the brightness of the backlight module by using the target backlight brightness-gray scale curve comprises the following steps:
determining a corresponding adjustment backlight brightness value in a target backlight brightness-gray scale curve corresponding to each divided area according to the gray scale value of each divided area;
and according to the adjusted backlight brightness value of each divided area, adjusting the backlight brightness of the backlight subarea corresponding to each divided area.
6. A picture display device, the device comprising:
the receiving module is used for acquiring the environmental influence information of the display picture when the display picture is received;
The determining module is used for determining a target picture brightness-gray scale curve corresponding to the environment influence information in a first curve set, wherein the first curve set comprises picture brightness-gray scale curves corresponding to different environment influence information; wherein the first curve set includes a plurality of image brightness-gray scale curves, each of which represents a relationship between a gray scale value of an image and an image brightness value;
the adjusting module is used for adjusting the display picture by utilizing the brightness-gray scale curve of the target picture to obtain a result display picture;
the display module is used for displaying the result display picture;
the device also comprises a backlight module;
the determining module is further configured to determine a target backlight brightness-gray scale curve corresponding to the environmental impact information in a second curve set, where the second curve set includes backlight brightness-gray scale curves corresponding to different environmental impact information; wherein the second curve set includes a plurality of backlight brightness-gray scale curves, each of the backlight brightness-gray scale curves representing a relationship between a gray scale value of a picture and a backlight brightness value;
the adjusting module is further used for adjusting the brightness of the backlight module by utilizing the target backlight brightness-gray scale curve;
The receiving module is also used for acquiring the adjusted backlight brightness information of the backlight module;
the determining module is further used for obtaining image supplementary data according to the environment influence information and the backlight brightness information; performing data supplementing operation on the result display picture by using the image supplementing data to obtain a final display picture;
the display module is also used for displaying the final display picture.
7. A display terminal, the display terminal comprising: memory, a processor and a picture display program stored on the memory and running on the processor, which when executed by the processor implements the steps of the picture display method according to any one of claims 1 to 5.
8. A storage medium having stored thereon a picture display program which, when executed by a processor, implements the steps of the picture display method according to any one of claims 1 to 5.
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