CN113114930A - Information display method, device, equipment and medium - Google Patents
Information display method, device, equipment and medium Download PDFInfo
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- CN113114930A CN113114930A CN202110327016.3A CN202110327016A CN113114930A CN 113114930 A CN113114930 A CN 113114930A CN 202110327016 A CN202110327016 A CN 202110327016A CN 113114930 A CN113114930 A CN 113114930A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
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Abstract
The application discloses an information display method, an information display device, information display equipment and an information display medium, and belongs to the technical field of camera equipment. The information display method comprises the following steps: displaying the preview image; displaying target photographing prompt information according to the attribute information of the preview image; wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to take a picture.
Description
Technical Field
The application belongs to the technical field of camera shooting, and particularly relates to an information display method, device, equipment and medium.
Background
At present, when a user uses the camera device to take a picture, the camera device is controlled to take a picture when the user considers that the user can take a picture, and when the user considers that the user cannot take a picture, the camera device is controlled to adjust picture parameters such as a picture taking angle and brightness, and then the camera device is controlled to take a picture when the user considers that the user can take a picture.
However, in the course of implementing the present application, the inventors found that at least the following problems exist in the related art: whether to take a picture depends on the subjective awareness of the user and the user cannot be guided in taking a picture.
Disclosure of Invention
An embodiment of the application aims to provide an information display method, an information display device, information display equipment and an information display medium, and the problem that a user cannot be guided by taking a picture can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides an information display method, including:
displaying the preview image;
displaying target photographing prompt information according to the attribute information of the preview image;
wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to take a picture.
In a second aspect, an embodiment of the present application provides an information display apparatus, including:
the first display module is used for displaying the preview image;
the second display module is used for displaying target photographing prompt information according to the attribute information of the preview image;
wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to take a picture.
In a third aspect, an embodiment of the present application provides an electronic device, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, and when executed by the processor, the program or instructions implement the steps of the method according to the first aspect.
In a fourth aspect, embodiments of the present application provide a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the first aspect.
In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the method according to the first aspect.
In the embodiment of the application, the prompt information for guiding the user to take a picture is displayed under the condition that the attribute information of the preview image meets the preset condition. Therefore, the convenience of the user for shooting the image can be improved by guiding the user to shoot, and the picture can be shot more easily.
Drawings
Fig. 1 is a schematic flowchart of an information display method provided in an embodiment of the present application;
FIG. 2 is a diagram illustrating an example of displaying a preview image provided by an embodiment of the present application;
FIG. 3 is a diagram illustrating an example of displaying second prompt information provided by an embodiment of the application;
FIG. 4 is a diagram illustrating another example of displaying a preview image provided by an embodiment of the present application;
FIG. 5 is a diagram illustrating an example of displaying first prompt information provided by an embodiment of the application;
fig. 6 is a schematic diagram illustrating another example of displaying a preview image provided by an embodiment of the present application;
FIG. 7 is a diagram illustrating another example of displaying second prompt information provided by an embodiment of the present application;
fig. 8 is a schematic diagram illustrating another example of displaying a preview image provided by an embodiment of the present application;
FIG. 9 is a diagram illustrating another example of displaying first prompt information provided by an embodiment of the present application;
fig. 10 is a schematic diagram illustrating another example of displaying a preview image provided by an embodiment of the present application;
FIG. 11 is a diagram illustrating another example of displaying second prompt information provided by an embodiment of the present application;
fig. 12 is a schematic diagram illustrating another example of displaying a preview image provided by an embodiment of the present application;
FIG. 13 is a diagram illustrating another example of displaying first prompt information provided by an embodiment of the present application;
fig. 14 is a schematic structural diagram of an information display device according to an embodiment of the present application;
fig. 15 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;
fig. 16 is a schematic hardware structure diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The information display method, apparatus, device and medium provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic flowchart of an information display method according to an embodiment of the present application. The information display method may include:
step 101: displaying the preview image;
step 102: and displaying target photographing prompt information according to the attribute information of the preview image.
Wherein the attribute information includes at least one of: gradation information, color information.
Specific implementations of the above steps will be described in detail below.
In the embodiment of the application, the prompt information for guiding the user to take a picture is displayed under the condition that the attribute information of the preview image meets the preset condition. In this way, the user can be guided to take a picture.
In some possible implementations of the embodiment of the present application, the preview image in step 101 may be an image displayed on a screen of the electronic device after the camera function is started.
In some possible implementations of the embodiment of the application, the grayscale information of the preview image may be a grayscale value of each pixel point in the preview image, and the color information of the preview image may be a red-green-blue (RGB) color value of each pixel point in the preview image.
In some possible implementations of the embodiment of the application, the target photographing prompting information in step 102 may be prompting information for prompting a user to take a photograph, or may be prompting information for prompting a user to adjust a photographing parameter.
In some possible implementations of the embodiments of the present application, the photographing parameters of the embodiments of the present application include, but are not limited to: shooting angle, exposure, sensitivity, etc.
In some possible implementations of embodiments of the present application, step 102 may include: displaying first prompt information under the condition that the attribute information meets a preset condition, wherein the first prompt information is used for prompting a user to take a picture; and displaying second prompt information under the condition that the attribute information does not meet the preset condition, wherein the second prompt information is used for prompting a user to adjust the photographing parameters.
In some possible implementations of the embodiment of the present application, the first prompt message is, for example, "can take a picture", "perfect, please take a picture", or the like. The second prompt message includes, for example, "please adjust the shooting angle when the current shooting effect is not good", "please adjust the brightness and shoot again", and so on.
In the embodiment of the application, when the attribute information of the preview image does not meet the preset condition, prompt information for prompting a user to adjust the photographing parameter is displayed, and when the attribute information of the preview image meets the preset condition, prompt information for prompting the user to photograph is displayed.
In some possible implementations of the embodiment of the present application, before displaying the second prompt information, the information display method provided in the embodiment of the present application may further include: and generating second prompt information according to the attribute information.
Illustratively, the attribute information is taken as the gradation information as an example. Counting the number of pixel points corresponding to each gray value in the preview image, when the number of pixel points smaller than a certain gray value is large, the preview image is dark, at this time, the brightness of the preview image needs to be adjusted, and then prompt information for prompting a user to improve the brightness can be generated, for example, the generated prompt information is 'please increase the brightness and take a picture'. The user can adjust the brightness according to the prompt message.
In the embodiment of the application, the prompt information for the user to adjust the photographing parameters is generated according to the attribute information of the preview image, so that the user can be instructed how to adjust the photographing parameters, and a non-professional photographing user can also take a picture with a good photographing effect.
In some possible implementations of the embodiment of the application, in a case that the attribute information includes grayscale information, the attribute information of the preview image satisfies a preset condition, which may include: the ratio of the first number to the second number is greater than or equal to a preset threshold; the first number is the number of first gray values in the preview image, the number of pixel points of which the gray values are the first gray values in the preview image is within a preset number range corresponding to the first gray values, and the second number is the sum of the difference between the maximum gray value and the minimum gray value corresponding to the preview image and 1.
It can be understood that, for a certain gray value, if the number of pixels corresponding to the gray value in the preview image is within the preset number range corresponding to the gray value, the gray value is the first gray value.
For any pixel point in the image, the gray value of the pixel point is (R × 30+ G × 59+ B × 11)/100, where R is the red component of the pixel point, G is the green component of the pixel point, and B is the blue component of the pixel point.
Illustratively, for a pixel with RGB color (46,54,129), the gray value of the pixel is (46 × 30+54 × 59+129 × 11)/100 — 60.
For example, assuming that the maximum grayscale value corresponding to the preview image is 255 and the minimum grayscale value is 0, the second number is 256.
Suppose that the number of pixels with a gray value of 0 in the preview image is 5, the number of pixels with a gray value of 1 is 10, the number of pixels with a gray value of 2 is 12, … …, the number of pixels with a gray value of 254 is 20, and the number of pixels with a gray value of 255 is 8.
The predetermined number range corresponding to the gray-level value 0 is 0 to 7, the predetermined number range corresponding to the gray-level value 1 is 15 to 20, the predetermined number range corresponding to the gray-level value 2 is 5 to 15, … …, the predetermined number range corresponding to the gray-level value 254 is 10 to 15, and the predetermined number range corresponding to the gray-level value 255 is 5 to 10.
The number of pixel points corresponding to the gray value 0 in the preview image is within a preset number range corresponding to the gray value 0, the number of pixel points corresponding to the gray value 1 in the preview image is not within a preset number range corresponding to the gray value 1, the number of pixel points corresponding to the gray value 2 in the preview image is within a preset number range corresponding to the gray value 2, … …, and the number of pixel points corresponding to the gray value 254 in the preview image is not within a preset number range corresponding to the gray value 254; the number of the pixel points corresponding to the gray value 255 in the preview image is within the preset number range corresponding to the gray value 255.
The gray-level values 0, 2, … …, and 255 are the first gray-level values, and the number of the first gray-level values, i.e. the first number, is obtained through statistics.
And if the ratio of the first quantity to the second quantity is greater than or equal to a preset threshold value, and the attribute information of the preview image meets a preset condition, displaying first prompt information for prompting a user to take a picture. And if the ratio of the first quantity to the second quantity is smaller than a preset threshold value, and the attribute information of the preview image does not meet the preset condition, displaying second prompt information for prompting a user to adjust the photographing parameter.
In the embodiment of the application, the prompt information for prompting the user to shoot or the prompt information for prompting the user to adjust the shooting parameters can be displayed according to the number of the first gray values in the preview image, the maximum gray value and the minimum gray value corresponding to the preview image, that is, the user can be guided to adjust the shooting parameters when the attribute information of the preview image does not meet the preset conditions, and the shooting is performed when the attribute information of the preview image meets the preset conditions.
In some possible implementations of the embodiment of the present application, the preset threshold and the preset number range corresponding to each gray value may be set according to actual needs.
In some possible implementations of the embodiment of the present application, the preset number ranges corresponding to the same gray value may be different for different image resolutions or different shooting scenes, etc.
Illustratively, when the preview image resolution is 100 × 200, the preset number of gray-scale values 5 corresponds to a range of 5 to 20. When the resolution of the preview image is 200 × 500, the preset number of gray-scale values 5 is 40 to 100.
In some possible implementations of the embodiment of the present application, in a case that the attribute information includes gray scale information, before step 102, the information display method provided in the embodiment of the present application may further include: and displaying a gray scale statistical line, a preset upper limit gray scale line and a preset lower limit gray scale line corresponding to the preview image.
The gray scale statistical line is composed of the number of pixel points corresponding to each gray scale value in the preview image, the preset upper limit gray scale line is composed of upper limit values of at least two preset number ranges, and the preset lower limit gray scale line is composed of lower limit values of at least two preset number ranges.
The attribute information satisfies the preset condition, and includes:
the gray scale statistic line is between the preset upper limit gray scale line and the preset lower limit gray scale line.
In some possible implementations of the embodiment of the present application, the gray scale statistical line in the embodiment of the present application refers to a line formed by coordinates representing gray scales and pixel numbers corresponding to gray scales in a coordinate system, where an abscissa represents gray scales and an ordinate represents pixel numbers, where the coordinate system represents pixel numbers, and the coordinate system represents gray scales and the coordinate system represents pixel numbers.
Illustratively, when a user wants to take a picture of a certain scene, the user clicks a "taking picture" control on a desktop of the electronic device, and at this time, the preview image, the gray statistic line 20 corresponding to the preview image, and the preset upper limit gray line 22 and the preset lower limit gray line 21 are displayed, as shown in fig. 2. In fig. 2, if the gray scale statistic line 20 is not between the preset upper limit gray scale line 22 and the preset lower limit gray scale line 21, it indicates that the gray scale information of the preview image does not satisfy the preset condition, and then a second prompt message for prompting the user to adjust the photographing parameter is displayed, as shown in fig. 3. In fig. 3, the second prompt message is "the current photographing effect is not good, and the photographing parameters should be adjusted".
After the user adjusts the photographing parameters, such as the photographing angle, the exposure and/or the sensitivity, the gray scale statistic line corresponding to the preview image changes, as shown in fig. 4. In fig. 4, the gray scale statistic line 20 is between the preset upper limit gray scale line 22 and the preset lower limit gray scale line 21, and if the gray scale information of the preview image meets the preset condition, the first prompt information for prompting the user to take a picture is displayed, as shown in fig. 5. In fig. 5, the first prompt message is "perfect, please take a picture".
In the embodiment of the application, the gray scale statistical line corresponding to the preview image, the preset upper limit gray scale line and the preset lower limit gray scale line are displayed, and the gray scale statistical line corresponding to the preview image changes along with the adjustment of the photographing parameters, so that a user can visually know that the photographing can be performed when the gray scale statistical line corresponding to the preview image is between the preset upper limit gray scale line and the preset lower limit gray scale line.
In some possible implementations of the embodiments of the present application, the first prompt message includes: and presetting a gray scale statistical line of the color.
Illustratively, when a user wants to take a picture of a certain scene, the user clicks a "taking picture" control on a desktop of the electronic device, and at this time, the preview image, the gray scale statistic line corresponding to the preview image, and the preset upper limit gray scale line and the preset lower limit gray scale line are displayed. And when the gray statistic line is not between the preset upper limit gray line and the preset lower limit gray line, the attribute information of the preview image does not meet the preset condition, and second prompt information for prompting a user to adjust the photographing parameters is displayed. At this time, the user adjusts the photographing parameters.
After the user adjusts the shooting parameters, the gray scale statistical line corresponding to the preview image changes. When the gray scale statistic line is between the preset upper limit gray scale line and the preset lower limit gray scale line, the attribute information of the preview image meets the preset condition, the color of the gray scale statistic line changes, and the gray scale statistic line has the preset color. When the gray scale statistic line has a preset color, the user can take a picture.
The embodiment of the present application does not limit the preset color, and any available color may be applied to the embodiment of the present application, for example, yellow green color sensitive to human beings.
In the embodiment of the application, the first prompt information for prompting to take a picture is represented by the gray scale statistic line with the preset color, so that the prompt information in a character form does not need to be displayed, and the shielding of the prompt information in the character form on the preview image can be avoided.
In some possible implementations of the embodiment of the present application, in a case that the attribute information includes color information, before step 102, the information display method provided in the embodiment of the present application may further include: and displaying the RGB color histogram corresponding to the preview image. The attribute information of the preview image satisfies a preset condition, and may include: the ratio of a first area to a second area of a coincidence region of the histograms corresponding to any two colors in the RGB color histogram is larger than a preset threshold, wherein the second area is the sum of the areas of the histograms corresponding to the two colors.
In the embodiment of the present application, the RGB color histogram is a histogram overlay corresponding to three color (red, green, and blue) channels. For any channel, the histogram corresponding to the channel refers to the number of pixels corresponding to each color component counted for all pixels in the image, and then the coordinate system is used for representing the number of pixels corresponding to the color components and the color components, wherein the abscissa in the coordinate system represents the color components, and the ordinate represents the number of pixels corresponding to the color components.
For example, when a user wants to photograph a scene, the user clicks a "photograph" control on a desktop of the electronic device, and at this time, the preview image and the RGB histogram corresponding to the preview image are displayed, as shown in fig. 6. In fig. 6, the ratio of the area of the overlapping region of the histograms corresponding to any two colors in the RGB color histogram 60 to the sum of the areas of the histograms corresponding to the two colors is smaller than the preset threshold, that is, in fig. 6, the ratio of the area of the overlapping region of the red color component histogram 61 and the green color component histogram 62 to the sum of the areas of the red color component histogram 61 and the green color component histogram 62 is smaller than the preset threshold, the ratio of the area of the overlapping region of the red color component histogram 61 and the blue color component histogram 63 to the sum of the areas of the red color component histogram 61 and the blue color component histogram 63 is smaller than the preset threshold, and the ratio of the area of the overlapping region of the blue color component histogram 63 and the green color component histogram 62 to the sum of the areas of the blue color component histogram 63 and the green color component histogram 62 is smaller than the preset threshold. At this time, if the color information of the preview image does not satisfy the preset condition, second prompt information for prompting the user to adjust the photographing parameter is displayed, as shown in fig. 7. In fig. 7, the second prompt message is "the current photographing effect is not good, and the photographing parameters should be adjusted".
After the user adjusts the photographing parameters, such as the photographing angle, the exposure level, and/or the sensitivity, the RGB histogram corresponding to the preview image changes, as shown in fig. 8. In fig. 8, the ratio of the area of the overlapping region of the histograms corresponding to any two colors in the RGB color histogram 60 to the sum of the areas of the histograms corresponding to the two colors is greater than a preset threshold, that is, in fig. 8, the ratio of the area of the overlapping region of the red color component histogram 61 and the green color component histogram 62 to the sum of the areas of the red color component histogram 61 and the green color component histogram 62 is greater than a preset threshold, the ratio of the area of the overlapping region of the red color component histogram 61 and the blue color component histogram 63 to the sum of the areas of the red color component histogram 61 and the blue color component histogram 63 is greater than a preset threshold, and the ratio of the area of the overlapping region of the blue color component histogram 63 and the green color component histogram 62 to the sum of the areas of the blue color component histogram 63 and the green color component histogram 62 is greater than a preset threshold. At this time, if the color information of the preview image satisfies the preset condition, first prompt information for prompting the user to take a picture is displayed, as shown in fig. 9. In fig. 9, the first prompt message is "perfect, please take a picture".
In the embodiment of the application, the prompt information for prompting the user to take a picture or the prompt information for prompting the user to adjust the picture taking parameter can be displayed according to the color information of the preview image, that is, the user can be guided to adjust the picture taking parameter when the attribute information of the preview image does not meet the preset condition, and the picture can be taken when the attribute information of the preview image meets the preset condition.
In some possible implementations of embodiments of the present application, the attribute information may include gray scale information and color information. The attribute information of the preview image meeting the preset condition may include that the gray statistic line of the preview image is between a preset upper limit gray line and a preset lower limit gray line, and the ratio of a first area to a second area of a coincidence region of histograms corresponding to any two colors in the RGB color histogram corresponding to the preview image is greater than a preset threshold, where the second area is the sum of the areas of the histograms corresponding to the two colors.
Illustratively, when a user wants to photograph a scene, the user clicks a "photograph" control on a desktop of the electronic device, and at this time, the preview image, the gray scale statistic line and the RGB histogram corresponding to the preview image, and the preset upper limit gray scale line and the preset lower limit gray scale line are displayed, as shown in fig. 10. In fig. 10, there is a portion of the gray scale statistic line 20 corresponding to the preview image that is not located within the range of the gray scale lower limit line 21 and the gray scale upper limit line 22, and the ratio of the area of the overlapped region of the histograms corresponding to any two colors in the RGB color histogram 60 to the sum of the areas of the histograms corresponding to the two colors is smaller than the preset threshold, that is, in fig. 10, the ratio of the area of the overlapped region of the red color histogram 61 and the green color histogram 62 to the sum of the areas of the red color histogram 61 and the green color histogram 62 is smaller than the preset threshold, the ratio of the area of the overlapped region of the red color histogram 61 and the blue color histogram 63 to the sum of the areas of the red color histogram 61 and the blue color histogram 63 and the blue color histogram 62 is smaller than the preset threshold, and the ratio of the area of the overlapped region of the blue color histogram 63 and the green color histogram 62 to the sum of the areas of the blue color histogram 63 Setting a threshold value. At this time, if the attribute information of the preview image does not satisfy the preset condition, second prompt information for prompting the user to adjust the photographing parameter is displayed, as shown in fig. 11. In fig. 11, the second prompt message is "the current photographing effect is not good, and the photographing parameters should be adjusted".
After the user adjusts the photographing parameters, such as the photographing angle, the exposure, and/or the sensitivity, the corresponding gray scale statistic line 20 and the RGB histogram of the preview image are changed, as shown in fig. 12. In fig. 12, the gray scale statistic line 20 corresponding to the preview image is between the gray scale lower limit line 21 and the gray scale upper limit line 22, and the ratio of the area of the overlapping region of the histograms corresponding to any two colors in the RGB color histogram 60 to the sum of the areas of the histograms corresponding to the two colors is greater than a preset threshold, that is, in fig. 12, the ratio of the area of the overlapping region of the red color component histogram 61 and the green color component histogram 62 to the sum of the areas of the red color component histogram 61 and the green color component histogram 62 is greater than a preset threshold value, the ratio of the area of the overlapping region of the red color component histogram 61 and the blue color component histogram 63 to the sum of the areas of the red color component histogram 61 and the blue color component histogram 63 is greater than a preset threshold value, and the ratio of the area of the overlapping region of the blue color component histogram 63 and the green color component histogram 62 to the sum of the areas of the blue color component histogram 63 and the green color component histogram 62 is greater than a preset threshold value. At this time, if the attribute information of the preview image satisfies the preset condition, first prompt information for prompting the user to take a picture is displayed, as shown in fig. 13. In fig. 13, the first prompt message is "perfect, please take a picture".
It should be noted that, in the case where the attribute information includes only grayscale information, the information display method provided in the embodiment of the present application can be preferably applied to a multi-color shooting scene, for example, a landscape scene. In the case where the attribute information includes only color information, the information display method provided in the embodiment of the present application may preferably be applied to a shooting scene with less colors or a shooting scene in which an area of a certain color is significantly larger than an area of other colors. When the information display method provided by the embodiment of the application is used for shooting a low-color shooting scene, a picture with a mono (mono) effect can be obtained. When the information display method provided by the embodiment of the application is used for shooting a shooting scene with a region of a certain color being obviously larger than regions of other colors, the certain region can be highlighted.
It should be noted that, in the information display method provided in the embodiment of the present application, the execution main body may be an information display device, or a control module for executing the information display method in the information display device. In the embodiment of the present application, an information display device executing an information display method is taken as an example, and the information display device provided in the embodiment of the present application is described.
Fig. 14 is a schematic structural diagram of an information display device according to an embodiment of the present application. The information display device 140 may include:
a first display module 141 for displaying the preview image;
the second display module 142 is configured to display target photographing prompt information according to the attribute information of the preview image;
wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to take a picture.
In the embodiment of the application, the prompt information for guiding the user to take a picture is displayed under the condition that the attribute information of the preview image meets the preset condition. In this way, the user can be guided to take a picture.
In some possible implementations of embodiments of the present application, the second display module 142 includes:
the first display sub-module is used for displaying first prompt information under the condition that the attribute information meets a preset condition, wherein the first prompt information is used for prompting a user to take a picture;
and the second display submodule is used for displaying second prompt information under the condition that the attribute information does not meet the preset condition, wherein the second prompt information is used for prompting a user to adjust the photographing parameters.
In the embodiment of the application, when the attribute information of the preview image does not meet the preset condition, prompt information for prompting a user to adjust the photographing parameter is displayed, and when the attribute information of the preview image meets the preset condition, prompt information for prompting the user to photograph is displayed.
In some possible implementations of the embodiments of the present application, the information display device 140 in the embodiments of the present application further includes:
and the generating module is used for generating second prompt information according to the attribute information.
In the embodiment of the application, the prompt information for the user to adjust the photographing parameters is generated according to the attribute information of the preview image, so that the user can be instructed how to adjust the photographing parameters, and a non-professional photographing user can also take a picture with a good photographing effect.
In some possible implementations of the embodiment of the present application, in a case that the attribute information includes gray scale information, the attribute information satisfies a preset condition, including:
the ratio of the first number to the second number is greater than or equal to a preset threshold;
the first number is the number of first gray values in the preview image, the number of pixel points of which the gray values are the first gray values in the preview image is within a preset number range corresponding to the first gray values, and the second number is the sum of the difference between the maximum gray value and the minimum gray value corresponding to the preview image and 1.
In the embodiment of the application, the prompt information for prompting the user to shoot or the prompt information for prompting the user to adjust the shooting parameters can be displayed according to the number of the first gray values in the preview image, the maximum gray value and the minimum gray value corresponding to the preview image, that is, the user can be guided to adjust the shooting parameters when the attribute information of the preview image does not meet the preset conditions, and the shooting is performed when the attribute information of the preview image meets the preset conditions.
In some possible implementations of the embodiments of the present application, in a case where the attribute information includes grayscale information, the information display device 140 in the embodiments of the present application further includes:
the third display module is used for displaying the gray statistic line, the preset upper limit gray line and the preset lower limit gray line corresponding to the preview image;
the gray scale statistical line is composed of the number of pixel points corresponding to each gray scale value in the preview image, the preset upper limit gray scale line is composed of upper limit values of at least two preset number ranges, and the preset lower limit gray scale line is composed of lower limit values of at least two preset number ranges;
accordingly, the attribute information satisfies a preset condition, including:
the gray scale statistic line is between the preset upper limit gray scale line and the preset lower limit gray scale line.
In the embodiment of the application, the gray scale statistical line corresponding to the preview image, the preset upper limit gray scale line and the preset lower limit gray scale line are displayed, and the gray scale statistical line corresponding to the preview image changes along with the adjustment of the photographing parameters, so that a user can visually know that the photographing can be performed when the gray scale statistical line corresponding to the preview image is between the preset upper limit gray scale line and the preset lower limit gray scale line.
In some possible implementations of the embodiments of the present application, the first prompt message includes:
and presetting a gray scale statistical line of the color.
In the embodiment of the application, the first prompt information for prompting to take a picture is represented by the gray scale statistic line with the preset color, so that the prompt information in a character form does not need to be displayed, and the shielding of the prompt information in the character form on the preview image can be avoided.
In some possible implementations of the embodiments of the present application, in a case where the attribute information includes color information, the information display device 140 in the embodiments of the present application further includes:
the fourth display module is used for displaying a red-green-blue RGB color histogram corresponding to the preview image;
accordingly, the attribute information satisfies a preset condition, including:
the ratio of a first area to a second area of a coincidence region of histograms corresponding to any two colors in the RGB color histogram is larger than a preset threshold value;
wherein the second area is the sum of the areas of the histograms corresponding to the two colors.
In the embodiment of the application, the prompt information for prompting the user to take a picture or the prompt information for prompting the user to adjust the picture taking parameter can be displayed according to the color information of the preview image, that is, the user can be guided to adjust the picture taking parameter when the attribute information of the preview image does not meet the preset condition, and the picture can be taken when the attribute information of the preview image meets the preset condition.
The information display device in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device can be mobile electronic equipment or non-mobile electronic equipment. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine or a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
The information display device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.
The information display device provided in the embodiment of the present application can implement each process in the information display method embodiments of fig. 1 to 13, and is not described here again to avoid repetition.
Optionally, as shown in fig. 15, an electronic device 1500 according to an embodiment of the present application is further provided, and includes a processor 1501, a memory 1502, and a program or an instruction stored in the memory 1502 and executable on the processor 1501, where the program or the instruction is executed by the processor 1501 to implement the processes of the information display method embodiment, and can achieve the same technical effects, and in order to avoid repetition, details are not repeated here.
It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic devices and the non-mobile electronic devices described above.
In some possible implementations of embodiments of the Application, the processor 1501 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured as one or more Integrated circuits implementing embodiments of the Application.
In some possible implementations of embodiments of the present application, the Memory 1502 may include Read-Only Memory (ROM), Random Access Memory (RAM), magnetic disk storage media devices, optical storage media devices, flash Memory devices, electrical, optical, or other physical/tangible Memory storage devices. Thus, in general, the memory includes one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software comprising computer-executable instructions and when the software is executed (e.g., by one or more processors), it is operable to perform the operations described with reference to the information display methods according to embodiments of the application.
Fig. 16 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present application.
The electronic device 160 includes, but is not limited to: radio frequency unit 161, network module 162, audio output unit 163, input unit 164, sensor 165, display unit 166, user input unit 167, interface unit 168, memory 169, and processor 1610.
Those skilled in the art will appreciate that the electronic device 160 may further include a power supply (e.g., a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1610 through a power management system, so as to manage charging, discharging, and power consumption management functions through the power management system. The electronic device structure shown in fig. 16 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description thereof is omitted.
Wherein the display unit 166 is configured to: displaying the preview image; displaying target photographing prompt information according to the attribute information of the preview image;
wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to take a picture.
In the embodiment of the application, the prompt information for guiding the user to take a picture is displayed under the condition that the attribute information of the preview image meets the preset condition. In this way, the user can be guided to take a picture.
In some possible implementations of embodiments of the present application, the display unit 166 is specifically configured to:
displaying first prompt information under the condition that the attribute information meets a preset condition, wherein the first prompt information is used for prompting a user to take a picture;
and displaying second prompt information under the condition that the attribute information does not meet the preset condition, wherein the second prompt information is used for prompting a user to adjust the photographing parameters.
In the embodiment of the application, when the attribute information of the preview image does not meet the preset condition, prompt information for prompting a user to adjust the photographing parameter is displayed, and when the attribute information of the preview image meets the preset condition, prompt information for prompting the user to photograph is displayed.
In some possible implementations of embodiments of the present application, processor 1610 is configured to:
and generating second prompt information according to the attribute information.
In the embodiment of the application, the prompt information for the user to adjust the photographing parameters is generated according to the attribute information of the preview image, so that the user can be instructed how to adjust the photographing parameters, and a non-professional photographing user can also take a picture with a good photographing effect.
In some possible implementations of the embodiment of the present application, in a case that the attribute information includes gray scale information, the attribute information satisfies a preset condition, including:
the ratio of the first number to the second number is greater than or equal to a preset threshold;
the first number is the number of first gray values in the preview image, the number of pixel points of which the gray values are the first gray values in the preview image is within a preset number range corresponding to the first gray values, and the second number is the sum of the difference between the maximum gray value and the minimum gray value corresponding to the preview image and 1.
In the embodiment of the application, the prompt information for prompting the user to shoot or the prompt information for prompting the user to adjust the shooting parameters can be displayed according to the number of the first gray values in the preview image, the maximum gray value and the minimum gray value corresponding to the preview image, that is, the user can be guided to adjust the shooting parameters when the attribute information of the preview image does not meet the preset conditions, and the shooting is performed when the attribute information of the preview image meets the preset conditions.
In some possible implementations of embodiments of the present application, in the case where the attribute information includes grayscale information, the display unit 166 is further configured to:
and displaying a gray scale statistical line, a preset upper limit gray scale line and a preset lower limit gray scale line corresponding to the preview image.
The gray scale statistical line is composed of the number of pixel points corresponding to each gray scale value in the preview image, the preset upper limit gray scale line is composed of upper limit values of at least two preset number ranges, and the preset lower limit gray scale line is composed of lower limit values of at least two preset number ranges;
accordingly, the attribute information satisfies a preset condition, including:
the gray scale statistic line is between the preset upper limit gray scale line and the preset lower limit gray scale line.
In the embodiment of the application, the gray scale statistical line corresponding to the preview image, the preset upper limit gray scale line and the preset lower limit gray scale line are displayed, and the gray scale statistical line corresponding to the preview image changes along with the adjustment of the photographing parameters, so that a user can visually know that the photographing can be performed when the gray scale statistical line corresponding to the preview image is between the preset upper limit gray scale line and the preset lower limit gray scale line.
In some possible implementations of the embodiments of the present application, the first prompt message includes:
and presetting a gray scale statistical line of the color.
In the embodiment of the application, the first prompt information for prompting to take a picture is represented by the gray scale statistic line with the preset color, so that the prompt information in a character form does not need to be displayed, and the shielding of the prompt information in the character form on the preview image can be avoided.
In some possible implementations of embodiments of the present application, in the case that the attribute information includes color information, the display unit 166 is further configured to:
and displaying a red-green-blue RGB color histogram corresponding to the preview image.
Accordingly, the attribute information satisfies a preset condition, including:
the ratio of a first area to a second area of a coincidence region of the histograms corresponding to any two colors in the RGB color histogram is larger than a preset threshold, wherein the second area is the sum of the areas of the histograms corresponding to the two colors.
In the embodiment of the application, the prompt information for prompting the user to take a picture or the prompt information for prompting the user to adjust the picture taking parameter can be displayed according to the color information of the preview image, that is, the user can be guided to adjust the picture taking parameter when the attribute information of the preview image does not meet the preset condition, and the picture can be taken when the attribute information of the preview image meets the preset condition. .
It should be understood that, in the embodiment of the present application, the input Unit 164 may include a Graphics Processing Unit (GPU) 1641 and a microphone 1642, and the Graphics Processing Unit 1641 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 166 may include a display panel 1661, and the display panel 1661 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 167 includes a touch panel 1671 and other input devices 1672. Touch panel 1671, also referred to as a touch screen. The touch panel 1671 may include two parts of a touch detection device and a touch controller. Other input devices 1672 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in further detail herein. The memory 169 may be used to store software programs as well as various data, including but not limited to application programs and an operating system. Processor 1610 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It is to be appreciated that the modem processor described above may not be integrated into processor 1610.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the above-mentioned information display method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, and examples of the computer readable storage medium include non-transitory computer readable storage media such as a ROM, a RAM, a magnetic or optical disk, and the like.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the above information display method embodiment, and can achieve the same technical effect, and the details are not repeated here to avoid repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (16)
1. An information display method, characterized in that the method comprises:
displaying the preview image;
displaying target photographing prompt information according to the attribute information of the preview image;
wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to photograph.
2. The method of claim 1, wherein displaying a target photographing prompt message according to the attribute information of the preview image comprises:
displaying first prompt information under the condition that the attribute information meets a preset condition, wherein the first prompt information is used for prompting a user to take a picture;
and displaying second prompt information under the condition that the attribute information does not meet the preset condition, wherein the second prompt information is used for prompting a user to adjust the photographing parameters.
3. The method of claim 2, wherein prior to displaying the second prompting message, the method further comprises:
and generating the second prompt message according to the attribute information.
4. The method according to claim 2, wherein in a case where the attribute information includes grayscale information, the attribute information satisfies the preset condition, including:
the ratio of the first number to the second number is greater than or equal to a preset threshold;
the first number is the number of first gray values in the preview image, the number of pixel points of which the gray values are the first gray values in the preview image is within a preset number range corresponding to the first gray values, and the second number is the sum of the difference between the maximum gray value and the minimum gray value corresponding to the preview image and 1.
5. The method according to claim 2, wherein in a case where the attribute information includes gradation information, before the displaying of the subject photographing prompt information according to the attribute information of the preview image, the method further comprises:
displaying a gray scale statistical line, a preset upper limit gray scale line and a preset lower limit gray scale line corresponding to the preview image;
the gray scale statistical line is composed of the number of pixel points corresponding to each gray scale value in the preview image, the preset upper limit gray scale line is composed of upper limit values of at least two preset number ranges, and the preset lower limit gray scale line is composed of lower limit values of the at least two preset number ranges;
the attribute information satisfies the preset condition, and includes:
the gray scale statistic line is between the preset upper limit gray scale line and the preset lower limit gray scale line.
6. The method of claim 5, wherein the first prompt comprises:
and presetting a gray scale statistical line of the color.
7. The method according to claim 2, wherein in a case where the attribute information includes color information, before the displaying of the target photographing prompting information according to the attribute information of the preview image, the method further comprises:
displaying a red-green-blue RGB color histogram corresponding to the preview image;
the attribute information satisfies the preset condition, and includes:
the ratio of a first area to a second area of a coincidence region of the histograms corresponding to any two colors in the RGB color histogram is greater than a preset threshold value;
wherein the second area is the sum of the areas of the histograms corresponding to the two colors.
8. An information display apparatus, characterized in that the apparatus comprises:
the first display module is used for displaying the preview image;
the second display module is used for displaying target photographing prompt information according to the attribute information of the preview image;
wherein the attribute information includes at least one of: gray information, color information; the target photographing information is used for guiding the user to photograph.
9. The apparatus of claim 8, wherein the second display module comprises:
the first display sub-module is used for displaying first prompt information under the condition that the attribute information meets a preset condition, wherein the first prompt information is used for prompting a user to take a picture;
and the second display sub-module is used for displaying second prompt information under the condition that the attribute information does not meet the preset condition, wherein the second prompt information is used for prompting a user to adjust the photographing parameters.
10. The apparatus of claim 9, further comprising:
and the generating module is used for generating the second prompt message according to the attribute information.
11. The apparatus according to claim 9, wherein in a case where the attribute information includes grayscale information, the attribute information satisfies the preset condition, including:
the ratio of the first number to the second number is greater than or equal to a preset threshold;
the first number is the number of first gray values in the preview image, the number of pixel points of which the gray values are the first gray values in the preview image is within a preset number range corresponding to the first gray values, and the second number is the sum of the difference between the maximum gray value and the minimum gray value corresponding to the preview image and 1.
12. The apparatus according to claim 9, wherein in a case where the attribute information includes gradation information, the apparatus further comprises:
the third display module is used for displaying the gray statistic line, the preset upper limit gray line and the preset lower limit gray line corresponding to the preview image;
the gray scale statistical line is composed of the number of pixel points corresponding to each gray scale value in the preview image, the preset upper limit gray scale line is composed of upper limit values of at least two preset number ranges, and the preset lower limit gray scale line is composed of lower limit values of the at least two preset number ranges;
the attribute information satisfies the preset condition, and includes:
the gray scale statistic line is between the preset upper limit gray scale line and the preset lower limit gray scale line.
13. The apparatus of claim 9, wherein the first prompt message comprises:
and presetting a gray scale statistical line of the color.
14. The apparatus according to claim 9, wherein in a case where the attribute information includes color information, the apparatus further comprises:
the fourth display module is used for displaying the red-green-blue RGB color histogram corresponding to the preview image;
the attribute information satisfies the preset condition, and includes:
the ratio of a first area to a second area of a coincidence region of the histograms corresponding to any two colors in the RGB color histogram is greater than a preset threshold value;
wherein the second area is the sum of the areas of the histograms corresponding to the two colors.
15. An electronic device, characterized in that the electronic device comprises: processor, memory and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the information display method according to any one of claims 1 to 7.
16. A readable storage medium, characterized in that the readable storage medium stores thereon a program or instructions which, when executed by a processor, implement the steps of the information display method according to any one of claims 1 to 7.
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