CN114612437B - AMOLED-based display image quality improvement method - Google Patents
AMOLED-based display image quality improvement method Download PDFInfo
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- 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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Abstract
The invention relates to the technical field of visual display, and discloses a display image quality improving method and device based on an AMOLED, electronic equipment and a storage medium, wherein the method comprises the following steps: collecting a lighting image of an AMOLED display screen, preprocessing the lighting image to obtain a target image, and dividing an effective image quality area in the target image; extracting effective image quality data in the effective image quality area, and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data; detecting an image quality area to be improved in the AMOLED display screen in real time, and constructing a second image quality curve of the image quality area to be improved according to the image quality area data of the image quality area to be improved; and fitting an image quality compensation parameter of the second image quality curve according to the first image quality curve, and executing image quality improvement processing on the image quality area to be improved according to the image quality compensation parameter to obtain an image quality improvement result of the AMOLED display screen. The invention can improve the image quality improving effect of the AMOLED display screen.
Description
Technical Field
The invention relates to the technical field of visual display, in particular to a display image quality improving method and device based on an AMOLED, electronic equipment and a storage medium.
Background
With the continuous development of technology, different new display technologies are continuously born and are living in the general public, and in the face of increasing demands of consumers for high image quality and high environmental protection of display devices, active-matrix organic light emitting diode (AMOLED) displays have been developed as one of the main new display technologies at present because Active-matrix organic light emitting diode displays (Active-matrix Organic Light Emitting Diode) have the advantages of high brightness, light weight, thinness, flexibility and the like.
However, because the AMOLED needs to manufacture its driving circuit on a large area glass or flexible substrate, the driving current difference phenomenon of the AMOLED display device is easy to affect the display image quality of a local area in the AMOLED display device, and the driving current difference phenomenon of the AMOLED display device is usually solved by adopting a circuit compensation method in the prior art, but the specific image quality parameters to be compensated of the AMOLED display device cannot be accurately known by adopting the circuit compensation method, so that the image quality improving effect of the AMOLED display device is affected.
Disclosure of Invention
The invention provides a display image quality improving method and device based on an AMOLED, electronic equipment and a storage medium, and mainly aims to improve the image quality improving effect of an AMOLED display screen.
In order to achieve the above object, the present invention provides a method for improving display image quality based on AMOLED, comprising:
collecting a lighting image of an AMOLED display screen, preprocessing the lighting image to obtain a target image, and dividing an effective image quality area in the target image;
extracting effective image quality data in the effective image quality area, and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data;
detecting an image quality area to be improved in the AMOLED display screen in real time, and constructing a second image quality curve of the image quality area to be improved according to the image quality area data of the image quality area to be improved;
and fitting an image quality compensation parameter of the second image quality curve according to the first image quality curve, and executing image quality improvement processing on the image quality area to be improved according to the image quality compensation parameter to obtain an image quality improvement result of the AMOLED display screen.
Optionally, the acquiring the lighted image of the AMOLED display screen includes:
the AMOLED display screen is lightened by a preset image signal processor;
detecting whether burning data exist in the lightened AMOLED display screen, and acquiring the lightened image of the lightened AMOLED display screen by using preset high-definition camera equipment when the burning data do not exist in the lightened AMOLED display screen.
Optionally, the preprocessing the lighting image to obtain a target image includes:
dust filtering is carried out on the lighted image, so that an initial image is obtained;
performing image enhancement on the initial image to obtain an enhanced image;
and filtering the enhanced image to obtain a target image.
Optionally, the segmenting the effective image quality area in the target image includes:
performing feature region division on the target image by utilizing a convolution layer in the pre-trained region detection model to obtain a feature image;
carrying out standardization processing on the characteristic image by utilizing a standard layer in the pre-trained region detection model to obtain a standardized image;
performing dimension reduction processing on the standardized image by using a pooling layer in the pre-trained region detection model to obtain a dimension reduction image;
and detecting the image type of the dimension-reduced image by using the full connection layer in the pre-trained region detection model, and outputting the effective image quality region of the target image by using the output layer in the pre-trained region detection model according to the image type.
Optionally, the constructing a first image quality curve of the AMOLED display screen according to the effective image quality data includes:
constructing image quality curve coordinates of the AMOLED display screen according to the image quality attribute in the effective image quality data;
and loading the effective image quality data into the image quality curve coordinates to generate a first image quality curve of the AMOLED display screen.
Optionally, the detecting, in real time, the image quality area to be lifted in the AMOLED display screen includes:
acquiring an effective image quality area in the AMOLED display screen, and performing consistency check on effective image quality data in the effective image quality area and preset standard image quality data;
and when the consistency check of the effective image quality data in the effective image quality area and the preset standard image quality data fails, taking the area corresponding to the effective image quality data as the image quality area to be improved.
Optionally, the fitting the image quality compensation parameter of the second image quality curve according to the first image quality curve includes:
calculating the image lighting period of the second image quality curve according to the first image quality curve;
calculating image quality compensation coefficients of the first image quality curve and the second image quality curve according to the image lighting period;
and calculating image quality compensation parameters of the first image quality curve and the second image quality curve according to the image quality compensation coefficients.
In order to solve the above problems, the present invention also provides a display image quality improving apparatus based on an AMOLED, the apparatus comprising:
the image quality area segmentation module is used for acquiring a lighting image of the AMOLED display screen, preprocessing the lighting image to obtain a target image, and segmenting an effective image quality area in the target image;
the image quality curve construction module is used for extracting effective image quality data in the effective image quality area and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data;
the image quality curve construction module is further configured to detect an image quality area to be lifted in the AMOLED display screen in real time, and construct a second image quality curve of the image quality area to be lifted according to image quality area data of the image quality area to be lifted;
and the image quality display lifting module is used for fitting the image quality compensation parameters of the second image quality curve according to the first image quality curve, and executing image quality lifting processing on the image quality area to be lifted according to the image quality compensation parameters to obtain an image quality lifting result of the AMOLED display screen.
In order to solve the above-mentioned problems, the present invention also provides an electronic apparatus including:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor to implement the AMOLED-based display image quality improvement method.
In order to solve the above-mentioned problems, the present invention also provides a storage medium having stored therein at least one computer program that is executed by a processor in an electronic device to implement the aforementioned AMOLED-based display image quality improvement method.
It can be seen that, in the embodiment of the invention, firstly, the lighting image of the AMOLED display screen is collected, the display image quality of the AMOLED display screen when the AMOLED display screen is lighted can be obtained, the precondition of improving the image quality of the subsequent AMOLED display screen is ensured, the lighting image is preprocessed to obtain a target image, and the effective image quality area in the target image is separated, so that the image quality of the lighting image is improved, the effect of the subsequent image processing is ensured, and the ineffective pixel area in the target image can be screened, so that the subsequent image processing speed is improved; secondly, according to the embodiment of the invention, the effective image quality data in the effective image quality area are extracted, the first image quality curve of the AMOLED display screen is constructed according to the effective image quality data, the image quality area to be lifted in the AMOLED display screen is detected in real time, and the second image quality curve of the image quality area to be lifted is constructed according to the image quality area data of the image quality area to be lifted, so that the condition of the image quality parameters of the effective image quality area in the AMOLED display screen is intuitively known, the image quality parameters of the effective image quality area to be lifted in the AMOLED display screen can be conveniently compared with the image quality parameters of the image quality area to be lifted in the AMOLED display screen, and the image quality compensation effect of the image quality area to be lifted in the AMOLED display screen can be improved; further, according to the embodiment of the invention, the image quality compensation parameter of the second image quality curve is fitted according to the first image quality curve, and the image quality improvement processing of the image quality area to be improved is executed according to the image quality compensation parameter, so that the image quality improvement result of the AMOLED display screen is obtained, the image quality parameter which needs to be compensated in the AMOLED display screen can be accurately known, and the image quality improvement effect of the AMOLED display screen can be improved. Therefore, the method, the device, the electronic equipment and the storage medium for improving the display image quality based on the AMOLED can improve the image quality improving effect of the AMOLED display screen.
Drawings
FIG. 1 is a flowchart of a method for improving display image quality based on AMOLED according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an AMOLED-based display image quality improving apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of an electronic device for implementing an AMOLED-based display image quality improvement method according to an embodiment of 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
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment of the application provides a display image quality improving method based on an AMOLED. The execution subject of the AMOLED-based display image quality improvement method includes, but is not limited to, at least one of a server, a terminal, and the like, which can be configured to execute the method provided by the embodiments of the present application. In other words, the AMOLED-based display image quality improvement method may be performed by software or hardware installed in a terminal device or a server device, and the software may be a blockchain platform. The service end includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, and the like. The server may be an independent server, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, content delivery networks (Content Delivery Network, CDN), and basic cloud computing services such as big data and artificial intelligence platforms.
Referring to fig. 1, a flow chart of a method for improving display image quality based on AMOLED according to an embodiment of the invention is shown. In the embodiment of the invention, the AMOLED-based display image quality improving method comprises the following steps S1-S4:
s1, collecting a lighting image of an AMOLED display screen, preprocessing the lighting image to obtain a target image, and dividing an effective image quality area in the target image.
In the embodiment of the invention, the AMOLED display screen is a display device constructed by an AMOLED technology, and the AMOLED technology has the advantages of high brightness, light weight, wide color gamut, high contrast ratio, quick response, flexibility and the like, so that the AMOLED display screen can be applied to the display fields such as smart phones, wearable equipment, vehicle-mounted display and the like to improve the experience of users in using the smart equipment, and further, the lightened image is a lightened display image when the AMOLED display screen is started, and therefore, the embodiment of the invention acquires the lightened image of the AMOLED display screen to acquire the display image quality of the AMOLED display screen when the AMOLED display screen is lightened, thereby guaranteeing the premise of improving the image quality of the subsequent AMOLED display screen.
As one embodiment of the present invention, the capturing a lighting image of an AMOLED display screen includes: and utilizing a preset image signal processor to light the AMOLED display screen, detecting whether burning data exist in the lightened AMOLED display screen, and acquiring a lightened image of the lightened AMOLED display screen by utilizing a preset high-definition camera device when the burning data do not exist in the lightened AMOLED display screen.
The preset image signal processor is a communication tool, such as a PG image signal generator, for establishing the AMOLED display screen, and the burning data is the burning data of the AMOLED display screen corresponding to the external memory after the AMOLED display screen is lighted, so it can be understood that when the burning data does not exist in the AMOLED display screen after the AMOLED display screen is lighted, the preset high-definition camera device is used to collect the lighted image of the AMOLED display screen after the AMOLED display screen is lighted, so as to ensure the data integrity of the collected lighted image, and further ensure the accuracy of the subsequent data complement. Further, in the embodiment of the present invention, the preset high-definition image capturing device refers to an image capturing device with high resolution, such as a CCD detection tool, which is used for guaranteeing the data integrity of the collected lighting image.
Further, the embodiment of the invention improves the image quality of the lighting image by preprocessing the lighting image, and ensures the effect of subsequent image processing.
As an embodiment of the present invention, the preprocessing the illumination image to obtain a target image includes: and carrying out dust filtration on the lighted image to obtain an initial image, carrying out image enhancement on the initial image to obtain an enhanced image, and carrying out filter processing on the enhanced image to obtain a target image.
Further, in an alternative embodiment of the present invention, dust filtering of the lighted image is implemented by an opencv algorithm, image enhancement of the initial image is implemented by a frequency domain enhancement algorithm, and filtering processing of the enhanced image is implemented by a gaussian filtering algorithm.
Further, the embodiment of the invention improves the subsequent image processing speed by dividing the effective image quality area in the target image to screen the invalid pixel area in the target image.
As one embodiment of the present invention, the segmenting the effective image quality area in the target image includes: and performing feature region division on the target image by using a convolution layer in a pre-trained region detection model to obtain a feature image, performing standardization processing on the feature image by using a standard layer in the pre-trained region detection model to obtain a standardized image, performing dimension reduction processing on the standardized image by using a pooling layer in the pre-trained region detection model to obtain a dimension reduction image, detecting an image category of the dimension reduction image by using a full-connection layer in the pre-trained region detection model, and outputting an effective image quality region of the target image by using an output layer in the pre-trained region detection model according to the image category.
The pre-trained region detection model may be constructed through a target region segmentation network, such as a YOLO3 neural network, and is used for detecting the target region network in an image, and it should be noted that the pre-trained region detection model refers to a model that is pre-trained, and has a relatively strong region segmentation capability.
Further, in an optional embodiment of the present invention, the feature region division of the target image is implemented by a convolution kernel in the convolution layer, which is used to extract a feature region image in the target image, the normalization processing of the feature image is implemented by a cross-connection module in the standard layer, which is used to fuse the feature image with an underlying feature in the target image, so that the feature image includes more underlying feature information in an original image, thereby improving accuracy of classification of a subsequent image, the dimension reduction processing of the normalized image is implemented by a pooling function in the pooling layer, such as a maximum or minimum pooling function, which is used to reduce dimensions of the normalized image and reduce computational complexity of subsequent data, and the image category of the dimension reduction image is implemented by an activation function in the full-connection layer, such as a softmax function, which is used to determine whether the dimension reduction image is a valid image quality region.
S2, extracting effective image quality data in the effective image quality area, and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data.
In the embodiment of the present invention, the effective image quality data refers to image information existing in the effective image quality area, such as brightness, contrast, pixel values, color RGB values, etc., and further, the embodiment of the present invention guarantees the premise of standard image quality curve construction of the AMOLED display screen by extracting the effective image quality data in the effective image quality area.
As one embodiment of the present invention, the extracting effective image quality data in the effective image quality area includes: and identifying the image quality attribute in the effective image quality area, detecting the attribute value of the image quality attribute, and generating the effective image quality data according to the attribute value and the image quality attribute.
The image quality attribute is used for describing image quality characteristics affecting the effective image quality area, such as brightness, contrast and other attributes, and the attribute value refers to a specific numerical value corresponding to the image quality attribute.
Further, in an optional embodiment of the present invention, the image quality attribute in the effective image quality area is obtained by selecting a dimension attribute affecting the display image quality, the attribute value is detected by a precompiled automation detection script, and the automation detection script may be compiled by a scripting language, such as JavaScript scripting language.
Further, according to the embodiment of the invention, the first image quality curve of the AMOLED display screen is constructed through the effective image quality data, so that the image quality parameter condition of the effective image quality area in the AMOLED display screen is intuitively known, the subsequent comparison with the image quality parameter of the image quality area to be improved in the AMOLED display screen is convenient, and the image quality compensation effect of the image quality area to be improved in the subsequent AMOLED display screen can be improved.
As one embodiment of the present invention, the constructing a first image quality curve of the AMOLED display screen according to the effective image quality data includes: and constructing image quality curve coordinates of the AMOLED display screen according to the image quality attribute in the effective image quality data, loading the effective image quality data into the image quality curve coordinates, and generating a first image quality curve of the AMOLED display screen.
The image quality curve coordinates are used for defining a position sequence and a position relation of effective image quality data in the subsequent image quality curve coordinates, and the image quality curve coordinates can be constructed through a two-dimensional or three-dimensional coordinate system.
S3, detecting an image quality area to be improved in the AMOLED display screen in real time, and constructing a second image quality curve of the image quality area to be improved according to the image quality area data of the image quality area to be improved.
According to the embodiment of the invention, the image quality area to be lifted in the AMOLED display screen is detected in real time, so that the image quality area to be lifted in the AMOLED display screen is determined in real time, the image quality display definition of the AMOLED display screen can be ensured, and the user experience is improved.
As an embodiment of the present invention, the detecting, in real time, an image quality area to be lifted in the AMOLED display screen includes: and acquiring an effective image quality area in the AMOLED display screen, carrying out consistency check on the effective image quality data in the effective image quality area and preset standard image quality data, and taking an area corresponding to the effective image quality data as the image quality area to be lifted when the consistency check on the effective image quality data in the effective image quality area and the preset standard image quality data fails.
The preset standard image quality data refers to a standard value of each attribute in the display area, and the standard value is set according to different image quality attributes.
Further, according to the embodiment of the invention, the second image quality curve of the image quality area to be improved is constructed according to the image quality area data of the image quality area to be improved, and is used for comparing the first image quality curve, so that the image quality parameters required to be supplemented in the second image quality curve are calculated, and the image quality improvement precondition of the image quality area to be improved can be further ensured. The construction principle of the second image quality curve is the same as that of the first image quality curve, and will not be further described herein.
And S4, fitting an image quality compensation parameter of the second image quality curve according to the first image quality curve, and executing image quality improvement processing on the image quality area to be improved according to the image quality compensation parameter to obtain an image quality improvement result of the AMOLED display screen.
According to the embodiment of the invention, the image quality compensation parameters of the second image quality curve are fitted according to the first image quality curve, so that the image quality improvement parameters of the second image quality curve corresponding to the image quality area to be improved are obtained, and the image quality improvement accuracy of the subsequent image quality area to be improved is ensured.
As one embodiment of the present invention, the fitting the image quality compensation parameter of the second image quality curve according to the first image quality curve includes: and calculating the image lighting period of the second image curve according to the first image quality curve, calculating the image compensation coefficients of the first image quality curve and the second image quality curve according to the image lighting period, and calculating the image compensation parameters of the first image quality curve and the second image quality curve according to the image compensation coefficients.
The image lighting period refers to lighting time between the first image quality curve and the second image quality curve, and the image quality compensation coefficient refers to a basis for calculating a subsequent image quality parameter difference value.
Further, in an alternative embodiment of the present invention, the image lighting period is obtained by monitoring through a time period monitoring tool, the time period monitoring tool may be obtained by calculating through Java language, the image quality compensation coefficients of the first image quality curve and the second image quality curve are implemented through a coefficient simulation algorithm, such as an exponential simulation algorithm, and the image quality compensation parameters of the first image quality curve and the second image quality curve are calculated through a regression fitting algorithm, such as a least square regression algorithm.
Further, according to the embodiment of the invention, the image quality improvement processing of the image quality area to be improved is performed according to the image quality compensation parameter, so as to generate an image quality improvement result of the AMOLED display screen. Optionally, the image quality improving process of the image quality improving region is implemented by an image controller.
It can be seen that, in the embodiment of the invention, firstly, the lighting image of the AMOLED display screen is collected, the display image quality of the AMOLED display screen when the AMOLED display screen is lighted can be obtained, the precondition of improving the image quality of the subsequent AMOLED display screen is ensured, the lighting image is preprocessed to obtain a target image, and the effective image quality area in the target image is separated, so that the image quality of the lighting image is improved, the effect of the subsequent image processing is ensured, and the ineffective pixel area in the target image can be screened, so that the subsequent image processing speed is improved; secondly, according to the embodiment of the invention, the effective image quality data in the effective image quality area are extracted, the first image quality curve of the AMOLED display screen is constructed according to the effective image quality data, the image quality area to be lifted in the AMOLED display screen is detected in real time, and the second image quality curve of the image quality area to be lifted is constructed according to the image quality area data of the image quality area to be lifted, so that the condition of the image quality parameters of the effective image quality area in the AMOLED display screen is intuitively known, the image quality parameters of the effective image quality area to be lifted in the AMOLED display screen can be conveniently compared with the image quality parameters of the image quality area to be lifted in the AMOLED display screen, and the image quality compensation effect of the image quality area to be lifted in the AMOLED display screen can be improved; further, according to the embodiment of the invention, the image quality compensation parameter of the second image quality curve is fitted according to the first image quality curve, and the image quality improvement processing of the image quality area to be improved is executed according to the image quality compensation parameter, so that the image quality improvement result of the AMOLED display screen is obtained, the image quality parameter which needs to be compensated in the AMOLED display screen can be accurately known, and the image quality improvement effect of the AMOLED display screen can be improved. Therefore, the display image quality improving method based on the AMOLED provided by the embodiment of the invention can improve the image quality improving effect of the AMOLED display screen.
As shown in fig. 2, the AMOLED-based display image quality improving apparatus according to the present invention is a functional block diagram.
The AMOLED-based display image quality improving apparatus 100 of the present invention may be installed in an electronic device. The AMOLED-based display image quality improving apparatus may include an image quality region dividing module 101, an image quality curve constructing module 102, and an image quality display improving module 103 according to the implemented functions. The module according to the invention, which may also be referred to as a unit, refers to a series of computer program segments, which are stored in the memory of the electronic device, capable of being executed by the processor of the electronic device and of performing a fixed function.
In the present embodiment, the functions concerning the respective modules/units are as follows:
the image quality area segmentation module 101 is configured to collect a lighting image of an AMOLED display screen, perform preprocessing on the lighting image to obtain a target image, and segment an effective image quality area in the target image;
the image quality curve construction module 102 is configured to extract effective image quality data in the effective image quality area, and construct a first image quality curve of the AMOLED display screen according to the effective image quality data;
the image quality curve construction module 102 is further configured to detect an image quality area to be lifted in the AMOLED display screen in real time, and construct a second image quality curve of the image quality area to be lifted according to image quality area data of the image quality area to be lifted;
the image quality display enhancing module 103 is configured to fit an image quality compensation parameter of the second image quality curve according to the first image quality curve, and perform image quality enhancing processing on the image quality region to be enhanced according to the image quality compensation parameter, so as to obtain an image quality enhancing result of the AMOLED display screen.
In detail, the modules in the AMOLED-based display image quality improving apparatus 100 in the embodiment of the present invention use the same technical means as the aforementioned AMOLED-based display image quality improving method in fig. 1, and can produce the same technical effects, which are not described herein.
As shown in fig. 3, a schematic structural diagram of an electronic device 1 implementing the AMOLED-based display image quality improvement method according to the present invention is shown.
The electronic device 1 may comprise a processor 10, a memory 11, a communication bus 12 and a communication interface 13, and may further comprise a computer program, such as an AMOLED-based display image quality improvement program, stored in the memory 11 and executable on the processor 10.
The processor 10 may be formed by an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, including one or more central processing units (Central Processing Unit, CPU), a microprocessor, a digital processing chip, a graphics processor, a combination of various control chips, and so on. The processor 10 is a Control Unit (Control Unit) of the electronic apparatus 1, connects respective components of the entire electronic apparatus 1 using various interfaces and lines, executes programs or modules stored in the memory 11 (for example, executes an AMOLED-based display image quality improvement program or the like) by running or executing the programs or modules, and invokes data stored in the memory 11 to perform various functions of the electronic apparatus 1 and process the data.
The memory 11 includes at least one type of readable storage medium including flash memory, a removable hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 11 may in some embodiments be an internal storage unit of the electronic device 1, such as a removable hard disk of the electronic device 1. The memory 11 may in other embodiments also be an external storage device of the electronic device 1, such as a plug-in mobile hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the electronic device 1. Further, the memory 11 may also include both an internal storage unit and an external storage device of the electronic device 1. The memory 11 may be used not only for storing application software installed in the electronic device 1 and various types of data, such as codes of a display image quality improvement program based on AMOLED, but also for temporarily storing data that has been output or is to be output.
The communication bus 12 may be a peripheral component interconnect standard (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. The bus is arranged to enable a connection communication between the memory 11 and at least one processor 10 etc.
The communication interface 13 is used for communication between the electronic device 1 and other devices, including a network interface and an employee interface. Optionally, the network interface may comprise a wired interface and/or a wireless interface (e.g. WI-FI interface, bluetooth interface, etc.), typically used to establish a communication connection between the electronic device 1 and other electronic devices 1. The employee interface may be a Display (Display), an input unit such as a Keyboard (Keyboard), or alternatively a standard wired interface, a wireless interface. Alternatively, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch, or the like. The display may also be referred to as a display screen or display unit, as appropriate, for displaying information processed in the electronic device 1 and for displaying a visual staff interface.
Fig. 3 shows only an electronic device 1 with components, it being understood by a person skilled in the art that the structure shown in fig. 3 does not constitute a limitation of the electronic device 1, and may comprise fewer or more components than shown, or may combine certain components, or may be arranged in different components.
For example, although not shown, the electronic device 1 may further include a power source (such as a battery) for supplying power to each component, and preferably, the power source may be logically connected to the at least one processor 10 through a power management device, so that functions of charge management, discharge management, power consumption management, and the like are implemented through the power management device. The power supply may also include one or more of any of a direct current or alternating current power supply, recharging device, power failure detection circuit, power converter or inverter, power status indicator, etc. The electronic device 1 may further include various sensors, bluetooth modules, wi-Fi modules, etc., which will not be described herein.
It should be understood that the embodiments described are for illustrative purposes only and are not limited to this configuration in the scope of the patent application.
The AMOLED-based display image quality improvement program stored in the memory 11 in the electronic device 1 is a combination of a plurality of computer programs, and when executed in the processor 10, can realize:
collecting a lighting image of an AMOLED display screen, preprocessing the lighting image to obtain a target image, and dividing an effective image quality area in the target image;
extracting effective image quality data in the effective image quality area, and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data;
detecting an image quality area to be improved in the AMOLED display screen in real time, and constructing a second image quality curve of the image quality area to be improved according to the image quality area data of the image quality area to be improved;
and fitting an image quality compensation parameter of the second image quality curve according to the first image quality curve, and executing image quality improvement processing on the image quality area to be improved according to the image quality compensation parameter to obtain an image quality improvement result of the AMOLED display screen.
In particular, the specific implementation method of the processor 10 on the computer program may refer to the description of the relevant steps in the corresponding embodiment of fig. 1, which is not repeated herein.
Further, the integrated modules/units of the electronic device 1 may be stored in a non-volatile computer readable storage medium if implemented in the form of software functional units and sold or used as a stand alone product. The storage medium may be volatile or nonvolatile. For example, the computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM).
The present invention also provides a storage medium storing a computer program which, when executed by a processor of an electronic device 1, can implement:
collecting a lighting image of an AMOLED display screen, preprocessing the lighting image to obtain a target image, and dividing an effective image quality area in the target image;
extracting effective image quality data in the effective image quality area, and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data;
detecting an image quality area to be improved in the AMOLED display screen in real time, and constructing a second image quality curve of the image quality area to be improved according to the image quality area data of the image quality area to be improved;
and fitting an image quality compensation parameter of the second image quality curve according to the first image quality curve, and executing image quality improvement processing on the image quality area to be improved according to the image quality compensation parameter to obtain an image quality improvement result of the AMOLED display screen.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of division when actually implemented.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units can be realized in a form of hardware or a form of hardware and a form of software functional modules.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the system claims can also be implemented by means of software or hardware by means of one unit or means. The terms second, etc. are used to denote a name, but not any particular order.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. An AMOLED-based display image quality improvement method, which is characterized by comprising the following steps:
collecting a lighting image of an AMOLED display screen, preprocessing the lighting image to obtain a target image, and dividing an effective image quality area in the target image, wherein the collecting the lighting image of the AMOLED display screen comprises the following steps: the AMOLED display screen is lightened by a preset image signal processor; detecting whether burning data exist in the lightened AMOLED display screen, acquiring the lightened image of the lightened AMOLED display screen by using preset high-definition camera equipment when the burning data do not exist in the lightened AMO LED display screen, and dividing out an effective image quality area in the target image, wherein the method comprises the following steps of:
performing feature region division on the target image by utilizing a convolution layer in the pre-trained region detection model to obtain a feature image;
carrying out standardization processing on the characteristic image by utilizing a standard layer in the pre-trained region detection model to obtain a standardized image;
performing dimension reduction processing on the standardized image by using a pooling layer in the pre-trained region detection model to obtain a dimension reduction image;
detecting the image type of the dimension-reduced image by using a full connection layer in the pre-trained region detection model, and outputting an effective image quality region of the target image by using an output layer in the pre-trained region detection model according to the image type;
extracting effective image quality data in the effective image quality area, and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data;
detecting the image quality area to be lifted in the AMOLED display screen in real time, and constructing a second image quality curve of the image quality area to be lifted according to the image quality area data of the image quality area to be lifted, wherein the detecting the image quality area to be lifted in the AMOLED display screen in real time comprises the following steps:
acquiring an effective image quality area in the AMOLED display screen, and performing consistency check on effective image quality data in the effective image quality area and preset standard image quality data;
when the consistency check of the effective image quality data in the effective image quality area and the preset standard image quality data fails, taking the area corresponding to the effective image quality data as the image quality area to be lifted;
fitting the image quality compensation parameter of the second image quality curve according to the first image quality curve, and executing image quality improvement processing on the image quality area to be improved according to the image quality compensation parameter to obtain an image quality improvement result of the AMOLED display screen, wherein the fitting the image quality compensation parameter of the second image quality curve according to the first image quality curve comprises: and calculating the image lighting period of the second image curve according to the first image quality curve, calculating the image compensation coefficients of the first image quality curve and the second image quality curve according to the image lighting period, and calculating the image compensation parameters of the first image quality curve and the second image quality curve according to the image compensation coefficients.
2. The AMOLED-based display image quality improvement method according to claim 1, wherein the preprocessing the lighted image to obtain a target image comprises:
dust filtering is carried out on the lighted image, so that an initial image is obtained;
performing image enhancement on the initial image to obtain an enhanced image;
and filtering the enhanced image to obtain a target image.
3. The AMOLED-based display image quality improvement method according to claim 1, wherein said constructing a first image quality curve of said AMOLED display screen according to said effective image quality data comprises:
constructing image quality curve coordinates of the AMOLED display screen according to the image quality attribute in the effective image quality data;
and loading the effective image quality data into the image quality curve coordinates to generate a first image quality curve of the AMOLE display screen.
4. An AMOLED-based display image quality improving apparatus, comprising:
the image quality area segmentation module is used for acquiring a lighting image of the AMOLED display screen, preprocessing the lighting image to obtain a target image, and segmenting an effective image quality area in the target image, wherein the acquiring the lighting image of the AMOLED display screen comprises the following steps: the AMOLED display screen is lightened by a preset image signal processor; detecting whether burning data exist in the lightened AMOLED display screen, acquiring the lightened image of the lightened AMOLED display screen by using preset high-definition camera equipment when the burning data do not exist in the lightened AMOLED display screen, and dividing out an effective image quality area in the target image, wherein the method comprises the following steps of:
performing feature region division on the target image by utilizing a convolution layer in the pre-trained region detection model to obtain a feature image;
carrying out standardization processing on the characteristic image by utilizing a standard layer in the pre-trained region detection model to obtain a standardized image;
performing dimension reduction processing on the standardized image by using a pooling layer in the pre-trained region detection model to obtain a dimension reduction image;
detecting the image type of the dimension-reduced image by using a full connection layer in the pre-trained region detection model, and outputting an effective image quality region of the target image by using an output layer in the pre-trained region detection model according to the image type;
the image quality curve construction module is used for extracting effective image quality data in the effective image quality area and constructing a first image quality curve of the AMOLED display screen according to the effective image quality data;
the image quality curve construction module is further configured to detect an image quality area to be lifted in the AMOLED display screen in real time, and construct a second image quality curve of the image quality area to be lifted according to image quality area data of the image quality area to be lifted, where the detecting the image quality area to be lifted in the AMOLED display screen in real time includes:
acquiring an effective image quality area in the AMOLED display screen, and performing consistency check on effective image quality data in the effective image quality area and preset standard image quality data;
when the consistency check of the effective image quality data in the effective image quality area and the preset standard image quality data fails, taking the area corresponding to the effective image quality data as the image quality area to be lifted;
an image quality display improving module, configured to fit an image quality compensation parameter of the second image quality curve according to the first image quality curve, and perform image quality improving processing on the image quality area to be improved according to the image quality compensation parameter, to obtain an image quality improving result of the AMOLED display screen, where the fitting the image quality compensation parameter of the second image quality curve according to the first image quality curve includes: and calculating the image lighting period of the second image curve according to the first image quality curve, calculating the image compensation coefficients of the first image quality curve and the second image quality curve according to the image lighting period, and calculating the image compensation parameters of the first image quality curve and the second image quality curve according to the image compensation coefficients.
5. An electronic device, the electronic device comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the AMOLED-based display image quality improvement method of any one of claims 1 to 3.
6. A storage medium storing a computer program, wherein the computer program when executed by a processor implements the AMOLED-based display image quality improvement method according to any one of claims 1 to 3.
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