CN115701627A - Display device image quality debugging method and device, debugging device and debugging system - Google Patents
Display device image quality debugging method and device, debugging device and debugging system Download PDFInfo
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Abstract
The invention relates to a display equipment image quality debugging method, a display equipment image quality debugging device, debugging equipment and a debugging system, wherein the display equipment image quality debugging method comprises the following steps: respectively acquiring a first display picture and a second display picture when the reference equipment and the equipment to be debugged play preset video signals; analyzing the image data of the first display picture and the second display picture to obtain a first image quality value of the first display picture and a second image quality value of the second display picture; comparing the second image quality value with the first image quality value to obtain an image quality difference value; generating an image quality adjusting instruction according to the second image quality value of the device to be debugged and the image quality difference value; and sending the image quality adjusting instruction to the equipment to be debugged. The method can automatically acquire the display pictures of the reference equipment and the equipment to be debugged, and adjust the picture quality parameters of the equipment to be debugged according to the display picture quality of the reference equipment so as to adjust the display picture quality of the equipment to be debugged to the best effect, thereby improving the picture quality adjustment efficiency.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a display equipment image quality debugging method, a display equipment image quality debugging device, debugging equipment and a debugging system.
Background
In the production process of the display device, image quality parameters of a display screen of the display device need to be debugged to obtain the optimal display effect. The general image quality debugging method for the display equipment comprises the following steps: and selecting reference equipment, transmitting the same video signal source to the reference equipment and equipment to be debugged for playing, comparing the quality of display pictures of the equipment to be debugged and the reference equipment, and adjusting display screen image quality parameters of the equipment to be debugged so as to adjust the display image quality of the equipment to be debugged to the best effect. At present, most of the image quality debugging methods for display equipment are manually debugged after being observed by human eyes, and because the image quality parameters include a plurality of parameters such as brightness, contrast, saturation, definition, color temperature and hue, the efficiency of manual debugging is low, and the production efficiency of the display equipment is affected.
Disclosure of Invention
In order to solve the problems in the related art, embodiments of the present invention provide a method and an apparatus for debugging the image quality of a display device, a debugging device, and a debugging system, where the method for debugging the image quality of the display device can automatically obtain the display pictures of a reference device and a device to be debugged, and adjust the image quality parameters of the device to be debugged according to the display image quality of the reference device, so as to adjust the display image quality of the device to be debugged to an optimal effect, thereby improving the image quality adjustment efficiency of the display device.
According to a first aspect of the embodiments of the present invention, there is provided a method for debugging image quality of a display device, including the steps of:
respectively acquiring a first display picture and a second display picture when the reference equipment and the equipment to be debugged play preset video signals;
analyzing image data of the first display picture and the second display picture to obtain a first picture quality value of the first display picture and a second picture quality value of the second display picture;
comparing the second image quality value with the first image quality value to obtain an image quality difference value of the equipment to be debugged relative to the reference equipment;
generating a picture quality adjusting instruction according to the second picture quality value of the equipment to be debugged and the picture quality difference value;
and sending the image quality adjusting instruction to equipment to be debugged.
According to a second aspect of the embodiments of the present invention, there is provided an image quality adjusting apparatus, including:
the picture acquisition module is used for respectively acquiring a first display picture and a second display picture when the reference equipment and the equipment to be debugged play the preset video signals;
the image quality value acquisition module is used for carrying out image data analysis on the first display picture and the second display picture to obtain a first image quality value of the first display picture and a second image quality value of the second display picture;
the image quality difference value acquisition module is used for comparing the second image quality value with the first image quality value to obtain an image quality difference value of the equipment to be debugged relative to the reference equipment;
the instruction generating module is used for generating an image quality adjusting instruction according to the second image quality value of the equipment to be debugged and the image quality difference value;
and the sending module is used for sending the image quality adjusting instruction to the equipment to be debugged.
According to a third aspect of embodiments of the present invention, there is provided a debugging apparatus including: a processor and a memory; the memory is electrically connected with the processor through a communication bus;
the memory stores a computer program, and the computer program is suitable for being loaded by the processor and executing the display device image quality debugging method according to any one of the above embodiments.
According to a fourth aspect of the embodiments of the present invention, there is provided a debugging system including: the device comprises debugging equipment, reference equipment and a plurality of devices to be debugged; the equipment to be debugged is electrically connected with the debugging equipment;
the debugging equipment obtains the display pictures of the reference equipment and the plurality of equipment to be debugged, and adjusts the image quality of the equipment to be debugged by the image quality debugging method of the display equipment according to any one of the embodiments.
By applying the technical scheme, the display pictures of the reference equipment and the equipment to be debugged when the same preset video signal is played are automatically acquired, the image quality difference value of the equipment to be debugged relative to the reference equipment is obtained, and the image quality parameters of the equipment to be debugged are adjusted according to the image quality difference value and the image quality value of the equipment to be debugged, so that the display quality of the equipment to be debugged is consistent with that of the reference equipment as far as possible, the display image quality of the equipment to be debugged is adjusted to the best effect, the whole adjusting process is automatically completed, manual debugging is not needed, and the image quality adjusting efficiency of the display equipment is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a debug system according to an alternative embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for debugging image quality of a display device according to an alternative embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating generation of a picture quality adjustment command according to an alternative embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating the generation of a brightness adjustment command according to an alternative embodiment of the present invention;
FIG. 5 is a schematic flow chart diagram illustrating the generation of contrast adjustment instructions in accordance with an alternative embodiment of the present invention;
fig. 6 is a schematic structural diagram of an image quality adjustment apparatus according to an alternative embodiment of the present invention;
fig. 7 is a schematic structural diagram of a debugging apparatus according to an alternative embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if/if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination", depending on the context.
Generally, before leaving a factory, a display screen of a display device needs to be adjusted in picture quality, so that the display device obtains a good display effect. At present, most of display image quality adjusting methods for display devices are that an operator observes image quality differences between a device to be debugged and a reference device with human eyes, and manually adjusts display image quality parameters of the device to be debugged by taking the display image quality of the reference device as a reference. However, the efficiency of manually debugging the display image quality is low, which affects the production efficiency of the display device.
Based on the above technical problem, the method for debugging image quality of display equipment according to the embodiment of the present invention is intended to automatically obtain the display images of the reference equipment and the equipment to be debugged by the debugging equipment, and obtain the corresponding image quality adjusting instruction to adjust the image quality parameters of the equipment to be debugged with reference to the display image quality of the reference equipment, so as to adjust the display image quality of the equipment to be debugged to the best effect, thereby improving the image quality adjusting efficiency of the display equipment.
An application scenario of the image quality debugging method for the display device in the present application is a debugging system, please refer to fig. 1, and fig. 1 is a schematic structural diagram of the debugging system according to an alternative embodiment of the present invention.
The debugging system comprises debugging equipment 10, reference equipment 20 and a plurality of equipment to be debugged 30; the plurality of devices to be debugged 30 are electrically connected with the debugging device 10; the reference device 20 may be electrically connected to the commissioning device 10, or may be a separate display device, not electrically connected to the commissioning device 10. The debugging device 10 takes pictures of display pictures of the reference device 20 and the plurality of devices to be debugged 30 when playing the same preset video signal, so as to obtain the display pictures of the reference device 20 and the plurality of devices to be debugged 30, and adjusts the picture quality of the plurality of devices to be debugged 30 by the picture quality adjusting method of the display device in the application, so that the devices to be debugged 30 obtain better display picture quality.
The debugging device 10 is an intelligent device connected with a camera, or an intelligent device with a camera, such as an intelligent mobile phone, an intelligent tablet, an intelligent computer, a special image quality adjusting device and other intelligent devices, and the debugging device 10 is used as the intelligent computer for explanation in the application.
The reference device 20 is a display device with a display screen, such as a smart television, a smart phone, a smart tablet, and a smart computer, and the reference device 20 is used as the smart television for description in this application.
The device to be debugged 30 is a display device with a display screen, such as a smart television, a smart phone, a smart tablet, a smart computer, and the like, and the device to be debugged 30 is used as the smart television for description in the present application.
The following description will be given by way of specific examples.
According to a first aspect of the embodiments of the present invention, a method for debugging image quality of a display device is disclosed, which is applied to a debugging device, where the debugging device may implement the method for debugging image quality of a display device in the present application in a pure software manner, or in a manner of combining software and hardware. In this embodiment, the device to be debugged and the debugging device are connected through a communication cable or a network, and the image quality adjustment instruction sent by the debugging device is received to adjust the display image quality of the display screen of the debugging device, so as to obtain a better display effect.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for debugging image quality of a display device according to an alternative embodiment of the present invention.
The image quality debugging method of the display equipment comprises the following steps:
s1: respectively obtaining a first display picture and a second display picture when the reference equipment and the equipment to be debugged play the preset video signal.
When the device to be debugged and the reference device are compared to adjust the image quality parameters, because the playing pictures of different video signal sources have certain differences, in order to eliminate the difference feeling of the display pictures of different video signal sources and improve the accuracy of image quality parameter adjustment, the display pictures of the device to be debugged and the display pictures of the reference device need to be set to be the same display pictures, therefore, in the image quality debugging process, the same video signal source can be synchronously transmitted to the device to be debugged and the reference device to be played, so that the debugging device can respectively acquire a first display picture and a second display picture when the reference device and the device to be debugged play the same preset video signal. The preset video signal may be a video signal selected by the inventor to facilitate image quality adjustment.
In an alternative embodiment, step S1 includes:
s11: the display picture of the reference equipment is shot through the first camera, and the first display picture when the reference equipment plays the preset video signal is obtained.
The first camera is arranged towards the display screen of the reference device, the first camera can be a camera carried by the debugging device, and can also be an independent camera, and the display picture of the reference device is collected to obtain the first display picture and then is transmitted to a processor and a memory of the debugging device, so that the image quality of the display picture of the reference device is used as a reference.
S12: shooting a display picture of the equipment to be debugged through a second camera to obtain a second display picture when the equipment to be debugged plays the preset video signal; and the preset video signal played by the device to be debugged is consistent with the preset video signal played by the reference device.
The second camera is arranged towards the display screen of the device to be debugged, the second camera can be a camera carried by the debugging device itself or an independent camera, and the display picture of the device to be debugged is collected and transmitted to a processor and a memory of the debugging device after the second display picture is obtained, so that the display picture quality difference between the display picture quality of the device to be debugged and the display picture quality difference between the display picture quality of the reference device can be obtained, and the display picture quality of the display screen of the device to be debugged can be adjusted.
In an optional embodiment, in step S1, if there are multiple devices to be debugged, multiple second display screens of the multiple devices to be debugged may be obtained at the same time.
And S2, analyzing the image data of the first display picture and the second display picture to obtain a first picture quality value of the first display picture and a second picture quality value of the second display picture.
In an alternative embodiment, step S2 includes:
s21: and respectively decoding the first display picture and the second display picture to obtain first YUV image data and second YUV image data.
Because the brightness value and the contrast value are conveniently calculated and obtained according to the image data in the YUV format, after the first display picture and the second display picture are obtained, the first display picture and the second display picture need to be decoded to obtain the first YUV image data and the second YUV image data, so that the brightness value and the contrast value of the device to be debugged and the reference device can be conveniently calculated, and the brightness difference value and the contrast difference value can be further calculated.
S22: and analyzing the first YUV image data to obtain a first YUV component value of each pixel point, and determining a brightness value and a contrast value of the first display picture according to each first YUV component value.
In an alternative embodiment, step S22 includes:
analyzing the first YUV image data to obtain a first Y component value of each pixel point of the first display picture; calculating a first Y component average value according to a first Y component value of each pixel point, and determining the brightness value of the first display picture according to the first Y component average value; calculating a corresponding Y component difference value according to a first Y component value of each pixel point, and determining a contrast value of the first display picture according to the Y component difference value;
s23: analyzing the second YUV image data to obtain each second YUV component value, and determining a brightness value and a contrast value of the second display picture according to each second YUV component value;
in an alternative embodiment, step S23 includes:
analyzing the second YUV image data to obtain a second Y component value of each pixel point of the second display picture; calculating a second Y component average value according to a second Y component value of each pixel point, and determining the brightness value of the second display picture according to the second Y component average value; and calculating a corresponding Y component difference value according to the second Y component value of each pixel point, and determining the contrast value of the second display picture according to the Y component difference value.
S24: and respectively carrying out color space conversion processing on the first YUV image data and the second YUV image data to obtain first RGB image data and second RGB image data.
Because it is convenient to obtain the color temperature value by calculating according to the image data in the RGB format, the first YUV image data and the second YUV image data need to be converted into the image data in the RGB format, so that the color temperature values of the device to be debugged and the reference device can be calculated conveniently, and the color temperature difference value can be calculated.
S25: calculating each first RGB component mean value of the first RGB image data to obtain a color temperature value of the first display picture, and calculating each second RGB component mean value of the second RGB image data to obtain a color temperature value of the second display picture.
In this embodiment, a first R component mean value, a first G component mean value, and a first B component mean value of the first RGB image data are calculated to obtain a color temperature value of the first display picture; and calculating a second R component mean value, a second G component mean value and a second B component mean value of second RGB image data to obtain a color temperature value of the second display picture.
In step S2, the first and second quality values are respectively obtained so as to compare the first and second quality values, thereby obtaining a quality difference value of the device to be debugged with respect to the reference device, so as to perform parameter adjustment on the device to be debugged. S3: and comparing the second image quality value with the first image quality value to obtain an image quality difference value of the equipment to be debugged relative to the reference equipment.
In this embodiment, the first image quality value of the first display screen and the second image quality value of the second display screen are image quality values obtained by performing actual analysis and measurement on the display screens, and are not image quality parameters of the display screens.
The first image quality value of the first display picture and the second image quality value of the second display picture can both comprise at least one of the following image quality values: a brightness value, and/or a contrast value, and/or a saturation value, and/or a sharpness value, and/or a hue value, and/or a color temperature value. Therefore, the image quality difference may include at least one of the following image quality differences: a brightness difference, and/or a contrast difference, and/or a saturation difference, and/or a sharpness difference, and/or a hue difference, and/or a color temperature difference.
And comparing the second image quality value with the first image quality value to obtain an image quality difference value of the equipment to be debugged relative to the reference equipment so as to adjust each image quality parameter of the equipment to be debugged, thereby adjusting the display image quality of the display screen of each equipment to be debugged to the optimal display effect.
In an optional embodiment, if the second display picture includes display pictures of a plurality of devices to be debugged, the plurality of second image quality values are respectively compared with the same first image quality value to obtain image quality difference values of the devices to be debugged relative to the reference device, so that image quality parameters of the plurality of pictures to be debugged can be adjusted at the same time, and the image quality adjustment efficiency is further improved.
S4: and generating a picture quality adjusting instruction according to the second picture quality value of the equipment to be debugged and the picture quality difference value.
Referring to fig. 3, fig. 3 is a flowchart illustrating a process of generating a picture quality adjustment command according to an alternative embodiment of the present invention.
In this embodiment, step S4 includes the following steps:
s41: and acquiring the current image quality parameters of the equipment to be debugged by establishing connection with the equipment to be debugged.
When the debugging equipment is connected with the equipment to be debugged, the equipment to be debugged can send the current image quality parameters of the equipment to be debugged to the debugging equipment, so that the debugging equipment can know the current image quality state of the equipment to be debugged and determine the accurate image quality adjustment degree conveniently.
S42: and obtaining the image quality change proportion according to the ratio of the image quality difference value to the second image quality value of the device to be debugged.
The image quality difference value is obtained by subtracting a second image quality value of a second display picture from a first image quality value of the first display picture, and comprises a brightness difference value, and/or a contrast difference value, and/or a saturation difference value, and/or a definition difference value, and/or a hue difference value, and/or a color temperature difference value.
The difference value between the image quality value of the first display picture and the second image quality value of the second display picture is divided by the second image quality value, so that the image quality change proportion of the device to be debugged relative to the reference device can be obtained, and the device to be debugged can be conveniently adjusted according to the image quality of the display picture of the reference device.
S43: and calculating to obtain the image quality adjustment stepping value of the equipment to be debugged according to the current image quality parameter, the image quality change proportion and a preset image quality adjustment coefficient of the equipment to be debugged.
In an optional embodiment, the current image quality parameter, the image quality change ratio, and a preset image quality adjustment coefficient of the device to be debugged are multiplied to obtain an image quality adjustment step value of the device to be debugged, that is, the image quality adjustment step value = the current image quality parameter of the device to be debugged × the image quality change ratio × the preset image quality adjustment coefficient. And determining the debugging degree of the equipment to be debugged after the image quality adjustment stepping value is obtained.
The image quality adjustment coefficient is an adjustment coefficient preset according to business experience, and a specific numerical value of the adjustment coefficient can also be set according to actual needs, and the value of the value influences the setting of the image quality adjustment stepping value. Generally, when the image quality of the display screen of the device to be debugged is just beginning to be adjusted, the value of the adjustment coefficient may be set to be a larger value, and after the display screen of the debugging device is adjusted to a certain extent, that is, when the image quality of the display screen is close to the display effect of the reference device, the step value needs to be adjusted to be smaller to obtain more accurate adjustment.
In an alternative embodiment, the image quality adjustment coefficient may include a brightness adjustment coefficient, and/or a contrast adjustment coefficient, and/or a saturation adjustment coefficient, and/or a sharpness adjustment coefficient, and/or a hue adjustment coefficient, and/or a color temperature adjustment coefficient, so as to perform fine adjustment on image quality parameters of a display screen of the device to be debugged.
In an optional embodiment, the image quality adjustment coefficient and the image quality adjustment step value may also be set by a user in the field to improve the adaptability of adjustment.
S44: and determining an image quality adjusting direction according to the image quality difference value, and generating an image quality adjusting instruction according to the image quality adjusting direction and the image quality adjusting step value.
The image quality parameters of the display image of the device to be debugged are higher than those of the display image of the reference device, and lower than those of the display image of the reference device, so that the adjustment direction of each image quality parameter needs to be determined, the corresponding parameter of the image quality of the display image lower than that of the reference device needs to be adjusted higher, and the corresponding parameter of the image quality of the display image higher than that of the reference device needs to be adjusted lower. Since the image quality difference is obtained by comparing the second image quality value with the first image quality value, the image quality difference of the device to be debugged with respect to the reference device is obtained, and therefore, the image quality difference has directionality, so that an adjustment direction can be obtained, and finally, an image quality adjustment instruction needs to be generated according to the image quality adjustment direction and the image quality adjustment step value, so as to adjust the image quality of the display picture of the device to be debugged.
In an optional embodiment, the second image quality value of the device to be debugged includes a brightness value, and the image quality difference value includes a brightness difference value; the method for generating the image quality adjusting instruction according to the second image quality value of the device to be debugged and the image quality difference value comprises the following steps: and generating a brightness adjusting instruction according to the brightness value of the second display picture of the device to be debugged and the brightness difference value.
Referring to fig. 4, fig. 4 is a schematic flow chart illustrating a process of generating a brightness adjustment instruction according to an alternative embodiment of the present invention.
In this embodiment, step S4 includes:
s411: and acquiring the current brightness parameter of the equipment to be debugged by establishing connection with the equipment to be debugged.
When the debugging equipment is connected with the equipment to be debugged, the equipment to be debugged can send the current brightness parameters of the equipment to be debugged to the debugging equipment, so that the debugging equipment can know the current brightness state of the equipment to be debugged and determine the accurate brightness adjustment degree conveniently.
S412: and acquiring a brightness change proportion according to the ratio of the brightness difference value to the brightness value of the second display picture of the device to be debugged.
The brightness change proportion of the device to be debugged relative to the reference device can be obtained by dividing the difference value between the brightness value of the first display picture and the brightness value of the second display picture by the brightness value of the second display picture, so that the device to be debugged can be conveniently adjusted according to the brightness of the display picture of the reference device.
S413: and calculating to obtain a brightness adjustment stepping value of the equipment to be debugged according to the current brightness parameter of the equipment to be debugged, the brightness change proportion and a preset brightness adjustment coefficient.
And performing product operation on the current brightness parameter, the brightness change proportion and a preset brightness adjustment coefficient of the equipment to be debugged to obtain a brightness adjustment stepping value of the equipment to be debugged, and determining the debugging degree of the equipment to be debugged after the brightness adjustment stepping value is obtained.
The brightness adjustment coefficient is an adjustment coefficient preset according to business experience, and a specific numerical value of the adjustment coefficient can also be set according to actual needs, and the value of the value can influence the setting of the brightness adjustment stepping value. Generally, when the brightness of the display frame of the device to be debugged is just adjusted, the value of the adjustment coefficient may be set to be a larger value, and after the display frame of the debugging device is adjusted to a certain extent, that is, when the brightness of the display frame is close to the brightness of the reference device, the step value needs to be adjusted to be smaller to obtain more accurate adjustment.
S414: and determining a brightness adjusting direction according to the brightness difference value, and generating a brightness adjusting instruction according to the brightness adjusting direction and the brightness adjusting stepping value.
The brightness parameters of the display picture of the device to be debugged are higher than those of the display picture of the reference device and lower than those of the display picture of the reference device, so that the adjustment direction of the brightness parameters needs to be determined, the brightness parameters of the display picture lower than the reference device are adjusted to be higher, and the brightness parameters of the display picture higher than the reference device are adjusted to be lower.
In an optional embodiment, the second image quality value of the device to be debugged includes a contrast value, the image quality difference value includes a contrast difference value, and the method of generating the contrast adjusting instruction according to the contrast value of the second display picture of the device to be debugged and the contrast difference value includes: and generating a contrast adjusting instruction according to the contrast value of the second display picture of the equipment to be debugged and the contrast difference value.
Referring to fig. 5, fig. 5 is a flowchart illustrating a process of generating a contrast adjusting command according to an alternative embodiment of the invention.
In this embodiment, step S4 includes:
s421: and acquiring the current contrast parameter of the equipment to be debugged by establishing connection with the equipment to be debugged.
When the debugging equipment is connected with the equipment to be debugged, the equipment to be debugged can send the current contrast parameter of the equipment to be debugged to the debugging equipment, so that the debugging equipment can know the current contrast state of the equipment to be debugged and can determine the accurate contrast adjustment degree conveniently.
S422: and obtaining a contrast ratio according to the contrast difference and the contrast value of the second display picture of the device to be debugged.
The contrast value of the second display picture is divided by the contrast value of the first display picture, so that the contrast change proportion of the equipment to be debugged relative to the reference equipment can be obtained, and the equipment to be debugged can be conveniently adjusted according to the contrast of the display picture of the reference equipment.
S423: and calculating to obtain a contrast adjustment stepping value of the equipment to be debugged according to the current contrast parameter, the contrast change ratio and a preset contrast adjustment coefficient of the equipment to be debugged.
And performing product operation on the current contrast parameter, the contrast change proportion and a preset contrast adjusting coefficient of the equipment to be debugged to obtain a contrast adjusting stepping value of the equipment to be debugged, and determining the debugging degree of the equipment to be debugged after the contrast adjusting stepping value is obtained.
The contrast adjustment coefficient is an adjustment coefficient preset according to business experience, and a specific numerical value of the adjustment coefficient can also be set according to actual needs, and the value of the adjustment coefficient affects the setting of the contrast adjustment stepping value. Generally, when the contrast of the display image of the device to be debugged is just started to be adjusted, the value of the adjustment coefficient may be set to be a larger value, and after the display image of the debugging device is adjusted to a certain extent, that is, when the contrast of the display image of the debugging device is close to the contrast of the reference device, the step value needs to be reduced to obtain more accurate adjustment.
S424: and determining a contrast adjusting direction according to the contrast difference, and generating a contrast adjusting instruction according to the contrast adjusting direction and the contrast adjusting stepping value.
The contrast parameters of the display picture of the device to be debugged are higher than those of the display picture of the reference device and lower than those of the display picture of the reference device, so that the adjustment direction of the contrast parameters needs to be determined, the contrast parameters of the display picture lower than the reference device are increased, and the contrast parameters of the display picture higher than the reference device are decreased.
In an optional embodiment, if there are multiple devices to be debugged, a corresponding image quality adjustment instruction is generated according to the second image quality value of each device to be debugged and the image quality difference value corresponding to the device to be debugged, so that image quality parameters of each device to be debugged can be simultaneously adjusted, and adjustment efficiency is improved.
S5: and sending the image quality adjusting instruction to equipment to be debugged.
Generally, the device to be debugged and the debugging device can be connected through a communication cable or a network, and remote debugging can be realized if the device to be debugged and the debugging device are connected through the network.
In this embodiment, the debugging device transmits the image quality adjustment instruction to the device to be debugged through a data transmission bus or a network, so that the display picture of the device to be debugged is subjected to image quality parameter adjustment.
After the equipment to be debugged is adjusted for the first time, the real-time playing image quality of the reference equipment and the equipment to be debugged can be timely acquired through the camera, whether a difference exists between two display pictures or not is compared, and if the difference exists, the equipment to be debugged can be continuously adjusted through the image quality debugging method in the embodiment. If the display pictures of the device to be debugged and the reference device have slight difference, the step value can be reset by adjusting the image quality adjusting coefficient so as to carry out fine adjustment on the device to be debugged.
By applying the technical scheme, the display pictures of the reference equipment and the equipment to be debugged when the same preset video signal is played are automatically acquired, the image quality difference value of the equipment to be debugged relative to the reference equipment is obtained, and the image quality parameters of the equipment to be debugged are adjusted according to the image quality difference value and the image quality value of the equipment to be debugged, so that the display quality of the equipment to be debugged is consistent with that of the reference equipment as far as possible, the display image quality of the equipment to be debugged is adjusted to the best effect, the whole adjusting process is automatically completed, manual debugging is not needed, and the image quality adjusting efficiency of the display equipment is improved.
According to a second aspect of the embodiments of the present invention, an apparatus for adjusting image quality is disclosed, which can be used to execute the content of the method for adjusting image quality of a display device according to the embodiments of the present application, and has corresponding functions and advantages. For details not disclosed in the embodiments of the video encoding apparatus of the present application, please refer to the content of the image quality adjustment method of the display device of the present application.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an image quality adjusting apparatus according to an embodiment of the present invention.
The image quality adjusting apparatus 600 includes:
the picture acquiring module 610 is configured to acquire a first display picture and a second display picture when the reference device and the device to be debugged play a preset video signal, respectively;
an image quality value obtaining module 620, configured to perform image data analysis on the first display screen and the second display screen to obtain a first image quality value of the first display screen and a second image quality value of the second display screen;
an image quality difference obtaining module 630, configured to compare the second image quality value with the image quality value of the first display picture, and obtain an image quality difference of the device to be debugged with respect to the reference device;
the instruction generating module 640 is configured to generate an image quality adjusting instruction according to the second image quality value of the device to be debugged and the image quality difference value;
the sending module 650 is configured to send the image quality adjustment instruction to the device to be debugged.
In the embodiment, the display pictures of the reference device and the device to be debugged when the same preset video signal is played are automatically acquired, so that the image quality difference value of the device to be debugged relative to the reference device is obtained, and the image quality parameters of the device to be debugged are adjusted according to the image quality difference value and the image quality value of the device to be debugged, so that the display quality of the device to be debugged is consistent with that of the reference device as much as possible, and the display image quality of the device to be debugged is adjusted to the best effect.
It should be noted that, when the image quality adjusting apparatus provided in the foregoing embodiment executes the image quality adjusting method for the display device, the division of the functional modules is merely used as an example, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the functions described above. In addition, the image quality adjusting apparatus and the image quality adjusting method provided by the above embodiments belong to the same concept, and the detailed process is described in the embodiments and is not described herein again.
According to a third aspect of the embodiments of the present invention, a debugging device is provided, where the debugging device is configured to acquire display screens of a reference device and a device to be debugged, compare the image quality of the display screen of the device to be debugged with the image quality of the display screen of the reference device, obtain an image quality adjustment instruction, send the image quality adjustment instruction to the device to be adjusted, and trigger the device to be adjusted to perform image quality parameter adjustment. The debugging equipment can be intelligent equipment such as a computer, a smart phone, a tablet computer or other regulation and control equipment.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a debugging device according to an alternative embodiment of the present invention.
The debugging device 700 comprises at least one processor 710, at least one network interface 720, a user interface 730, a memory 740 and at least one communication bus 750. Wherein a communication bus 750 is used to enable connective communication between these components.
The user interface 730 may include an interface for connecting a display screen and an interface for connecting a camera, and the optional user interface 730 may further include a standard wired interface and a wireless interface.
The network interface 720 may optionally include a standard wired interface or a wireless interface (e.g., a WIFI interface).
The Memory 740 may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 740 includes a non-transitory computer-readable medium. The memory 740 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 740 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described method embodiments, and the like; the data storage area can store the above data involved in method embodiments, and the like. The memory 740 may alternatively be at least one memory device located remotely from the processor 710. As shown in fig. 7, the memory 740, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and an operating application of the smart device.
In the debugging apparatus 700 shown in fig. 7, the user interface 730 is mainly used for providing an input interface for a user to obtain data input by the user, and is used for providing a video input interface for a camera to obtain an image signal; the processor 710 may be configured to call an operation application of the smart device stored in the memory 740, and perform the relevant operations in the image quality adjustment method according to the embodiment.
In an optional embodiment, the debugging device further includes a camera, and a user of the camera takes pictures of display pictures of the reference device and the device to be debugged when playing the preset video signal, and the obtained display pictures of the reference device and the device to be debugged are transmitted to the processor and the memory, so that the processor of the debugging device compares the display pictures of the reference device and the device to be debugged, and the image quality adjusting instruction is sent to the device to be debugged.
The intelligent device can be used for executing the content of the image quality adjusting method of the display device corresponding to the embodiment of the application, and has corresponding functions and beneficial effects.
According to a fourth aspect of the embodiments of the present invention, a debugging system is provided, configured to perform automatic adjustment of image quality parameters on a plurality of devices to be debugged.
As shown in fig. 1, the debugging system includes: the debugging device 10, the reference device 20 and a plurality of devices to be debugged 30; the plurality of devices to be debugged 30 are electrically connected with the debugging device 10;
the debugging device 10 takes a picture of a display picture of the reference device 20 and the device to be debugged 30 when the same preset video signal is played through a camera to obtain the display pictures of the reference device 20 and the device to be debugged 30, and sends the image quality adjusting instruction to each device to be debugged 30 through the image quality debugging method of the display device according to any one of the above embodiments, so as to adjust the image quality of the display picture of each device to be debugged 30.
The camera can be a camera carried by the debugging equipment, and can also be other cameras, and the display picture is transmitted to the debugging equipment after the display picture is acquired.
Each of the devices to be debugged 30 receives the image quality adjusting instruction sent by the debugging device 10, and adjusts the image quality parameters of the display image of the device to be debugged, so that the display image of the device to be debugged can be quickly adjusted to the best display effect, manual debugging is not needed, and the debugging is quick and convenient. After adjusting the image quality of the display image to the optimal display effect, the device to be debugged 30 further derives a parameter file, and sends the parameter file to the debugging device 10 for archiving, so as to facilitate subsequent coefficient or step analysis setting, or searching during maintenance.
According to a fifth aspect of the embodiments of the present invention, a computer-readable storage medium is provided, on which a computer program is stored, and the computer program, when executed by a processor, implements relevant operations in the image quality adjustment method according to any one of the above embodiments, and has corresponding functions and advantages. Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
It is to be noted that the foregoing is only illustrative of the presently preferred embodiments and application of the principles of the present invention. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A picture quality debugging method for display equipment is characterized by comprising the following steps:
respectively acquiring a first display picture and a second display picture when the reference equipment and the equipment to be debugged play preset video signals;
analyzing image data of the first display picture and the second display picture to obtain a first image quality value of the first display picture and a second image quality value of the second display picture;
comparing the second image quality value with the first image quality value to obtain an image quality difference value of the equipment to be debugged relative to the reference equipment;
generating a picture quality adjusting instruction according to the second picture quality value of the device to be debugged and the picture quality difference value;
and sending the image quality adjusting instruction to equipment to be debugged.
2. The method for debugging image quality of display equipment according to claim 1, wherein the generating of the image quality adjustment instruction according to the second image quality value of the equipment to be debugged and the image quality difference value comprises:
acquiring the current image quality parameters of the equipment to be debugged by establishing connection with the equipment to be debugged;
obtaining an image quality change proportion according to the ratio of the image quality difference value to the second image quality value of the device to be debugged;
performing product operation on the current image quality parameter, the image quality change proportion and a preset image quality adjusting coefficient of the equipment to be debugged to obtain an image quality adjusting stepping value of the equipment to be debugged;
and determining an image quality adjusting direction according to the image quality difference value, and generating the image quality adjusting instruction according to the image quality adjusting direction and the image quality adjusting step value.
3. The method according to claim 2, wherein the second image quality value of the device to be debugged comprises a brightness value, the current image quality parameter comprises a current brightness parameter, and the image quality difference comprises a brightness difference value; the generating of the image quality adjusting instruction according to the image quality value of the second display picture of the device to be debugged and the image quality difference value comprises:
acquiring the current brightness parameter of the equipment to be debugged by establishing connection with the equipment to be debugged;
acquiring a brightness change proportion according to the ratio of the brightness difference value to the brightness value of the second display picture of the device to be debugged;
calculating to obtain a brightness adjustment stepping value of the equipment to be debugged according to the current brightness parameter, the brightness change proportion and a preset brightness adjustment coefficient of the equipment to be debugged;
and determining a brightness adjusting direction according to the brightness difference value, and generating a brightness adjusting instruction according to the brightness adjusting direction and the brightness adjusting stepping value.
4. The method for debugging the picture quality of the display device according to claim 3, wherein the sending the picture quality adjusting instruction to the device to be debugged comprises:
and sending the brightness adjusting instruction to equipment to be debugged to adjust the brightness of the equipment.
5. The method for debugging image quality of a display device according to claim 3, wherein the second image quality value further comprises a contrast value, and/or a saturation value, and/or a sharpness value, and/or a hue value, and/or a color temperature value;
the image quality difference also comprises a contrast difference, and/or a saturation difference, and/or a definition difference, and/or a hue difference, and/or a color temperature difference;
the current image quality parameter comprises a contrast parameter, and/or a saturation parameter, and/or a clarity parameter, and/or a hue parameter, and/or a color temperature parameter.
6. The method for debugging the image quality of the display device according to claim 1, wherein the obtaining the first display picture and the second display picture when the reference device and the device to be debugged play the preset video signal respectively comprises:
shooting a display picture of the reference equipment through the first camera to obtain a first display picture when the reference equipment plays a preset video signal;
shooting a display picture of the equipment to be debugged through a second camera to obtain a second display picture when the equipment to be debugged plays the preset video signal; and the preset video signal played by the device to be debugged is consistent with the preset video signal played by the reference device.
7. The method for debugging image quality of a display device according to claim 1, wherein the analyzing image data of the first display screen and the second display screen to obtain a first image quality value of the first display screen and a second image quality value of the second display screen comprises:
decoding the first display picture and the second display picture respectively to obtain first YUV image data and second YUV image data;
analyzing the first YUV image data to obtain a first YUV component value of each pixel point, and determining a brightness value and a contrast value of the first display picture according to each first YUV component value;
analyzing the second YUV image data to obtain a second YUV component value of each pixel point, and determining a brightness value and a contrast value of the second display picture according to each second YUV component value;
respectively carrying out color space conversion processing on the first YUV image data and the second YUV image data to obtain first RGB image data and second RGB image data;
calculating each first RGB component mean value of the first RGB image data to obtain a color temperature value of the first display picture, and calculating each second RGB component mean value of the second RGB image data to obtain a color temperature value of the second display picture.
8. An image quality adjustment apparatus, comprising:
the picture acquisition module is used for respectively acquiring a first display picture and a second display picture when the reference equipment and the equipment to be debugged play the preset video signals;
the image quality value acquisition module is used for carrying out image data analysis on the first display picture and the second display picture to obtain a first image quality value of the first display picture and a second image quality value of the second display picture;
the image quality difference value acquisition module is used for comparing the second image quality value with the first image quality value to acquire an image quality difference value of the device to be debugged relative to the reference device;
the instruction generating module is used for generating an image quality adjusting instruction according to the second image quality value of the equipment to be debugged and the image quality difference value;
and the sending module is used for sending the image quality adjusting instruction to the equipment to be debugged.
9. A debugging device for a digital television receiver is provided, it is characterized by comprising: a processor and a memory; the memory is electrically connected with the processor through a communication bus;
wherein the memory stores a computer program adapted to be loaded by the processor and to execute the method of debugging image quality of a display device according to any one of claims 1 to 7.
10. A debugging system, comprising: the device comprises debugging equipment, reference equipment and a plurality of devices to be debugged; the equipment to be debugged is electrically connected with the debugging equipment;
the debugging equipment obtains the display pictures of the reference equipment and the equipment to be debugged, and adjusts the picture quality of the equipment to be debugged by the picture quality debugging method of the display equipment according to any one of claims 1 to 7.
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| CN116389663A (en) * | 2023-06-06 | 2023-07-04 | 深圳市森博睿科技有限公司 | Intelligent display screen remote monitoring platform based on big data |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116389663A (en) * | 2023-06-06 | 2023-07-04 | 深圳市森博睿科技有限公司 | Intelligent display screen remote monitoring platform based on big data |
| CN116389663B (en) * | 2023-06-06 | 2023-08-22 | 深圳市森博睿科技有限公司 | Intelligent display screen remote monitoring platform based on big data |
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