CN111783664B - Fold compensation method and device for folding screen, electronic equipment and storage medium - Google Patents

Fold compensation method and device for folding screen, electronic equipment and storage medium Download PDF

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Publication number
CN111783664B
CN111783664B CN202010623878.6A CN202010623878A CN111783664B CN 111783664 B CN111783664 B CN 111783664B CN 202010623878 A CN202010623878 A CN 202010623878A CN 111783664 B CN111783664 B CN 111783664B
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preset
crease
current
preset current
points
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CN111783664A (en
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李阳
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
    • G09G3/035—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays for flexible display surfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/19—Sensors therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2003—Display of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/02—Flexible displays

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The disclosure discloses a crease compensation method, a crease compensation device, electronic equipment and a storage medium for solving the problem that crease of a folding screen affects visual effect. According to the embodiment of the disclosure, the preset current of each luminous point on the crease is obtained according to the corresponding relation between the preset angle set and the preset current set by acquiring the positions of the eyes, the positions of the visual focus on the screen and the angle set of each sampling point, and the current of each luminous point on the folding screen is adjusted according to the preset current. That is, the brightness of all the light emitting points on the crease is changed by adjusting the current of all the light emitting points on the crease, so that the influence of folding traces generated after the screen protection cover plate is folded under stress on the display image quality is reduced.

Description

Fold compensation method and device for folding screen, electronic equipment and storage medium
Technical Field
The disclosure relates to the technical field of intelligent terminals, and in particular relates to a crease compensation method and device for a folding screen, electronic equipment and a storage medium.
Background
With the rise of folding screen mobile phones, the screen protection cover plate of the non-folding screen mobile phone cannot be folded together with the mobile phone screen. Conventional folding screen handsets use a transparent polyimide film (CPI film) as the screen saver cover. The problems with this approach are: after the screen protection cover plate manufactured by the transparent polyimide film is folded under stress, a folding trace can appear on the mobile phone screen, so that the image quality displayed on the mobile phone screen is affected.
Disclosure of Invention
An object of the present disclosure is to provide a crease compensation method of a folding screen. The current of each luminous point on the folding screen is adjusted according to the corresponding relation between the pre-established angle set and the preset current set by acquiring the position of the human eyes, the position of the visual focus on the screen and the angle set of each sampling point, so that the influence of folding marks generated after the screen protection cover plate is folded under stress on the displayed image quality is reduced.
In a first aspect, an embodiment of the present disclosure provides a payment method recommendation method, including:
when multiple target payment modes exist, determining recommended orders of the multiple target payment modes according to the availability of each target payment mode;
and recommending the plurality of target payment modes to the target object according to the recommendation sequence.
Acquiring the human eye position of a target object and the visual focus position of the target object on the folding screen;
Determining preset current of each luminous point on the crease according to the relative position relation among the human eye position, the visual focus position and the crease;
And adjusting the luminous points on the folds according to the obtained preset current of each luminous point.
In a second aspect, an embodiment of the present disclosure further provides a crease compensating device of a folding screen, including:
The position acquisition module is used for acquiring the human eye position of the target object and the visual focus position of the target object on the folding screen;
The preset current determining module is used for determining preset current of each luminous point on the crease according to the relative position relation among the human eye position, the visual focus position and the crease;
and the luminous point current adjusting module is used for adjusting the luminous points on the folds according to the acquired preset current of each luminous point.
In one embodiment, the location acquisition module includes:
the face image acquisition unit is used for acquiring the face image of the target object through the image acquisition device;
the face image analysis unit is used for analyzing and processing the face image to obtain the pupil position and the interpupillary distance of the target object;
And the focal position determining unit is used for determining the visual focal position of the target object on the folding screen by utilizing the pupil position of the target object and the interpupillary distance.
In one embodiment, the preset current determination module includes:
The first preset sampling point angle determining unit is used for determining included angles respectively formed by the human eye position, the visual focus position and the first preset sampling points according to the positions of the first preset sampling points on the crease, and forming an angle set to be processed by the included angles corresponding to all the first preset sampling points;
The first preset current determining unit is used for searching a preset current set corresponding to the angle set to be processed according to the corresponding relation between the preset angle set and the preset current set; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
In one embodiment, the included angle in the first preset sampling point angle determining unit takes each first preset sampling point as an included angle vertex, and the eye position and the vision focus position are respectively endpoints of sides of the included angle.
In one embodiment, the preset current determination module includes:
The first preset sampling point angle determining unit is used for determining included angles respectively formed by the human eye position, the visual focus position and the second preset sampling points according to the positions of the first preset sampling points on the crease, and forming an angle set to be processed by the included angles corresponding to all the first preset sampling points;
a color information acquisition unit, configured to determine color information of the crease according to the color information acquired at each second preset sampling point;
The second preset current determining unit is used for searching a preset current set corresponding to the angle set to be processed according to the color information of the crease, the corresponding relation between the angle set and the preset current set, which are established in advance; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
In one embodiment, the included angle takes each of the first preset sampling points as an included angle vertex, and the eye position and the visual focus position are endpoints of sides of the included angle respectively.
In one embodiment, if the preset current set includes preset currents of each second preset sampling point on the crease, the light-emitting point current adjustment module includes:
The current determining unit is used for carrying out interpolation processing on the preset current of each second preset sampling point at the crease, and determining the preset current of each luminous point at the crease;
and the adjusting unit is used for adjusting the current of each luminous point at the crease to the preset current corresponding to the luminous point.
In one embodiment, the current determining unit is specifically configured to:
acquiring color information of each second preset sampling point at the crease;
determining color average values of all luminous points included in adjacent second preset sampling point pairs;
searching a color range corresponding to the color mean value, and determining an adjustment coefficient corresponding to the color range;
And adjusting the preset current average value of the second preset sampling point pair according to the adjustment coefficient, and carrying out interpolation processing on the preset current average value to obtain the current of the luminous points between the second preset sampling point pair.
In a third aspect, another embodiment of the present disclosure also provides an electronic device, including at least one processor; and a memory communicatively coupled to the at least one processor; the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the crease compensation method of any folding screen provided by the embodiments of the present disclosure.
In a fourth aspect, another embodiment of the present disclosure further provides a computer storage medium storing a computer program for causing a computer to execute the crease compensation method of any folding screen provided by the embodiments of the present disclosure.
According to the embodiment of the disclosure, the preset current of the luminous points on the folds is determined by acquiring the relative position relation of the eye position, the visual focus position and the folds of the folding screen, and the current of the luminous points of the folds is adjusted to the preset current, so that the visual effect of visually compensating the folds by adjusting the color value of the luminous points at the folds is realized, and the visual feeling of the folds is lightened or even avoided visually by a user. Therefore, the screen protection cover plate can reduce the influence of folding traces generated after the screen protection cover plate is folded under stress on the display image quality.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the disclosure. The objectives and other advantages of the disclosure will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the embodiments of the present disclosure will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic illustration of an application environment according to one embodiment of the present disclosure;
FIG. 2 is a schematic illustration of a crease compensation process for a folding screen according to one embodiment of the present disclosure;
FIG. 3 is an overall flow chart of crease compensation for a folding screen according to one embodiment of the present disclosure;
FIG. 4 is a schematic view of the angles of the sampling points at the relative folds of the human eye according to one embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a fold compensation device for a folding screen according to one embodiment of the present disclosure;
fig. 6 is a block diagram of a fold compensation electronic device of a folding screen according to one embodiment of the present disclosure.
Detailed Description
In order to further explain the technical solutions provided by the embodiments of the present disclosure, the following details are described with reference to the accompanying drawings and the detailed description. Although the embodiments of the present disclosure provide the method operational steps as shown in the following embodiments or figures, more or fewer operational steps may be included in the method based on routine or non-inventive labor. In steps where there is logically no necessary causal relationship, the order of execution of the steps is not limited to the order of execution provided by embodiments of the present disclosure. The methods may be performed sequentially or in parallel as shown in the embodiments or the drawings when the actual processing or the control device is executing.
It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure. The term "plurality" in the embodiments of the present disclosure means two or more, and other adjectives and the like, it should be understood that the preferred embodiments described herein are merely illustrative and explanatory of the disclosure, and are not intended to limit the present disclosure, and that the embodiments of the present disclosure and the features of the embodiments may be combined with each other without conflict.
Conventional folding screen handsets use a transparent polyimide film (CPI film) as the screen saver cover. The problems with this approach are: after the screen protection cover plate manufactured by the transparent polyimide film is folded under stress, a folding trace can appear on the mobile phone screen, so that the image quality displayed on the mobile phone screen is affected. The disclosure provides a visual compensation method, a visual compensation device, electronic equipment and a storage medium for folding screen creases, which are used for solving the problems.
The inventive concept of the present disclosure is: the method comprises the steps of obtaining the position of human eyes and the position of visual focus of the human eyes on a folding screen, determining preset current of a luminous point at the position of the fold according to the relative position relation among the position of the human eyes, the position of the visual focus and the fold, and then realizing visual perception of compensating the fold visually by adjusting the current of the luminous point to the preset current, so that the influence of folding marks generated after the screen protection cover plate is folded under stress on the displayed image quality is reduced.
Further, in the present disclosure, the influence of the color at the crease on the visual effect of the human eye is also considered, and the adjustment coefficients of all the light emitting points on the crease are determined by acquiring the color information at each sampling point on the crease. The preset currents of all the luminous points on the crease are determined according to the adjustment coefficient, the obtained preset currents are adjusted by referring to the background color of the crease, the current adjustment of the luminous points of the crease is adjusted by referring to the influence of the current background color, and the influence of the crease of the screen on the image quality can be further reduced.
In sum, the folding screen independently controls the current passing through all the luminous points on the crease, the brightness of each luminous point on the crease can be changed by different current values, the refraction and reflection conditions of light of each luminous point on the crease can be changed, the brightness of each luminous point on the crease can be different from the original brightness, the brightness condition of the crease is changed by changing the current of all the luminous points on the crease, and the influence of the crease on the visual effect of human eyes is reduced;
In implementation, a first preset sampling point and a second preset sampling point can be set, wherein each first preset sampling point or each second preset sampling point is a luminous point of a data sample selected from all luminous points on the folding screen and used for experimental measurement; the current values changed at all the light-emitting points on the crease are preset currents of all the light-emitting points on the crease.
Of course, in order to ensure the accuracy of obtaining the preset current result, according to the principle that the more the sampling data are, the more accurate the obtained result is, the sampling points selected in the disclosure can be increased to all the luminous points on the crease. In addition, the preset current of all luminous points on the crease can be obtained according to the folding angle of the folding screen. The following describes in detail a method for visually compensating for a folding screen crease in an embodiment of the present disclosure with reference to the accompanying drawings.
Referring to fig. 1, a schematic diagram of an application environment according to one embodiment of the present disclosure is shown.
As shown in fig. 1, the application environment may include, for example, a network 10, a terminal server 20, at least one terminal device 30, and a database 40, where:
the terminal equipment 30 acquires a face image of a target object, obtains a visual focus position of the target object on a folding screen crease according to analysis and processing of the face image, transmits the real-time obtained eye position and visual focus position to the terminal server 20 through the network 10, and obtains an angle relation between the eye position and the visual focus position and a first preset sampling point position on the folding screen crease of the terminal equipment 30 in the terminal server 20;
The acquired angle relation is transmitted into a database 40 through the network 10, and a preset current set corresponding to the acquired angle relation is found in the database 40, so as to obtain a preset current of a second preset sampling point on the folding screen crease of the terminal equipment 30. The obtained preset current sets are subjected to interpolation processing in the terminal server 20 to obtain preset currents of all the luminous points on folds of the folding screen of the terminal device 30, the obtained preset currents of all the luminous points are transmitted to the terminal device 30 through the network 10, and the terminal device 30 adjusts the currents of all the luminous points on the folds to the obtained preset current values.
In addition, the embodiment of the present disclosure further provides a method for obtaining the preset current in consideration of the color factor, firstly, the network 10 is used to transmit the obtained color information to the terminal server 20 through the network 10, the obtained color information is subjected to interpolation processing, the color information of the crease is obtained, and the preset current of all the second preset sampling points on the crease of the folding screen of the terminal device 30 is obtained according to the lookup database 40. The obtained preset current sets are subjected to interpolation processing in the terminal server 20 to obtain preset currents of all the luminous points on folds of the folding screen of the terminal device 30, the obtained preset currents of all the luminous points are transmitted to the terminal device 30 through the network 10, and the terminal device 30 adjusts the currents of all the luminous points on the folds to the obtained preset current values.
It should be noted that, the storage system in the embodiments of the present disclosure may be, for example, a cache system, or may also be hard disk storage, memory storage, or the like.
In implementation, the terminal device can also independently complete the operation of determining the position of the visual angle focus and searching the preset current.
Fig. 2 is a schematic flow chart of a crease compensating method of a folding screen according to an embodiment of the disclosure, including:
Step 201: acquiring the human eye position of a target object and the visual focus position of the target object on the folding screen;
In one embodiment, acquiring a face image of a target object by an image acquisition device; for example, the face image is acquired by a front camera of the terminal device. After the face image is analyzed and processed, the pupil position and the interpupillary distance of the target object are obtained, and then the position of the visual focus of the target object on the folding screen is determined by utilizing the pupil position and the interpupillary distance of the target object.
Step 202: determining preset current of each luminous point on the crease according to the relative position relation among the human eye position, the visual focus position and the crease;
In some possible embodiments, for determining the preset current of each light emitting point on the crease, the set of angles to be processed may be determined according to the positional relationship among the eye position, the visual focus position and the first preset sampling point on the crease. In order to determine accurate preset current, the preset current of each first preset sampling point on the preset crease is obtained according to the corresponding relation between the preset angle set and the preset current set, and if necessary, the preset current of all the luminous points on the crease can be obtained by further utilizing interpolation processing. Next, a description will be given of how to obtain the preset current of each second preset sampling point on the preset crease and obtain the preset currents of all the light emitting points on the crease by using the interpolation processing method, including the following two parts: part 1: determining the preset current of each second preset sampling point on the preset crease
Firstly, acquiring the position of the human eye and the position of the visual focus through an image acquisition device, and determining a set of angles to be processed according to the position relation among the position of the human eye, the position of the visual focus and each first preset sampling point on the crease. And acquiring preset currents of each second preset sampling point on the preset crease according to the corresponding relation between the preset angle set and the preset current set. In implementation, the present disclosure provides two embodiments for acquiring, in real time, a preset current of each second preset sampling point on a preset crease, including:
mode 1: according to the positions of the first preset sampling points on the crease, determining the included angles formed by the human eye position, the visual focus position and the first preset sampling points, forming a to-be-processed angle set by the included angles corresponding to all the first preset sampling points, and searching a preset current set corresponding to the to-be-processed angle set according to the corresponding relation between the preset angle set and the preset current set.
In one embodiment, the eye position is obtained through experimental measurement in advance, and the included angle set formed by each first preset sampling point at the eye position, the vision focus position and the crease is located at different vision focus positions. Fixing the position of human eyes in an experiment, keeping the included angle set angle formed by the position of the human eyes, the position of a visual focus and each first preset sampling point at the crease point unchanged, and adjusting the current of each luminous point to the current with the least visual influence on human eyes caused by the crease point as the preset current of each luminous point; when the method is implemented, a small amount of preset current of the second preset sampling point can be recorded in the database, and the preset current of all the luminous points can also be recorded.
In the included angle θ 1—θn, as shown in the schematic diagram of the included angle in fig. 4, the first preset sampling points 1-n are used as included angle focuses, and the positions of eyes and the positions of vision focuses of the eyes on the folding screen are used as two side end points of the included angle.
And establishing a preset current database according to different included angle sets obtained through experiments and preset current sets, and searching the preset current database through the angle sets to be processed obtained in real time to obtain corresponding preset current sets.
Mode 2: because factors affecting the visual effect of the human eyes further comprise the color of the crease, in order to obtain accurate preset current, the method and the device determine the included angles formed by the position of the human eyes, the position of the visual focus and the first preset sampling points respectively according to the positions of the first preset sampling points on the crease, form an angle set to be processed by the included angles corresponding to all the first preset sampling points, determine the color information of the crease by acquiring the color information of each second preset sampling point, and search the preset current set corresponding to the angle set to be processed according to the corresponding relation between the color information of the crease, the angle set and the preset current set which are established in advance.
In one embodiment, experiments are performed under different background colors respectively, when eyes are positioned at different positions of a screen through experimental measurement under each background color, an included angle set formed by first preset sampling points at the positions of the eyes, the positions of visual focuses and folds is obtained, a preset current set corresponding to the angle set to be processed is searched according to the corresponding relation between the preset current set and the preset angle set, preset currents of second preset sampling points are determined, and the preset currents of all luminous points on the folds of the folding screen are obtained through interpolation processing.
For example, fixing the position of the human eyes, keeping the included angle set angle formed by the position of the human eyes, the position of the visual focus and each first preset sampling point at the crease constant, adjusting the color information of the crease, and adjusting the current of each luminous point to the preset current with reduced visual influence on the human eyes by the crease to obtain the preset current set of each luminous point under different color information of the crease; then, a color preset current database is established according to the color information of the included angle set and the crease and the preset current set, and the preset current of each second preset sampling point is obtained by searching the color preset current database according to the to-be-processed angle set and the color information of the crease, which are obtained in real time. In implementation, the preset current of all the luminous points at the crease can be recorded to form a preset current set.
Part 2: interpolation processing to obtain preset current of all luminous points on crease
In one embodiment, color information of each second preset sampling point at the crease can be obtained, average values of the color information of adjacent second preset sampling point pairs are obtained, color average values of all luminous points included in each pair of second preset sampling point pairs are determined, a color range corresponding to the color average values is searched, and an adjustment coefficient corresponding to the color range is determined;
The color information is color information (H is hue, S is saturation and V is brightness) in an HSV color model of all the luminous points, preset currents corresponding to the luminous points with different hues, saturations and brightness are obtained through a large number of experiments, a color information change range which can cause shadow response to visual effects of human eyes is obtained according to the preset currents and the color information of the luminous points, and the color range is determined according to the change range; obtaining the adjustment coefficients for adjusting the current when the preset currents of the second preset sampling points at the crease points are obtained in different color ranges according to experiments. Then, an adjustment coefficient table with a color range as a search condition and an adjustment coefficient as a result is established, after the color average value of all the luminous points is obtained, the adjustment coefficient of each luminous point is determined according to the table, interpolation processing is carried out according to the product of the adjustment coefficient and the preset current average value of the second preset sampling point pair, and the preset current of all the luminous points on the crease is obtained.
In another embodiment, by utilizing the characteristic that the classification function of the neural network is particularly suitable for pattern recognition and classification application, the color average value of all the light emitting points can be simply and effectively recognized, and the neural network can be further optimized along with the increase of the number of the processed light emitting points.
The approach of using neural networks requires a large number of samples and complex training methods. In implementation, the embodiment of the disclosure may provide a simpler color information manner of identifying the second preset sampling point, where the scheme may be implemented as follows: the training is performed by acquiring a large number of color information of different luminous points and labeling adjustment coefficients corresponding to the color information.
Step 203: and adjusting the luminous points on the folds according to the obtained preset current of each luminous point.
In one embodiment, the current of all the light emitting points on the crease is adjusted to the obtained preset current value of all the light emitting points on the crease, so that the brightness of each light emitting point on the crease is changed, and the difference felt by human eyes is counteracted by changing the brightness condition of the crease, so that the influence of the crease on the visual effect of human eyes is reduced.
To facilitate understanding of the fold compensation method of the folding screen provided in the present disclosure, the following description is made with reference to fig. 3. As shown in fig. 3, taking a mobile phone screen as an example, an overall flowchart illustrating a crease compensation method for a folding screen according to the present disclosure includes the following steps:
In step 301, when the human eye is at different positions of the screen, the human eye position, the vision focus position and the included angle set formed by each first preset sampling point at the crease are obtained through experimental measurement in advance, the human eye position is fixed during the experiment, the included angle set formed by the human eye position, the vision focus position and each first preset sampling point at the crease is kept unchanged, and the current of each luminous point is adjusted to the current with the least vision influence of the crease on the human eye as the preset current of each luminous point;
In addition, because factors affecting the visual effect of human eyes also comprise the color of folds, in order to obtain accurate preset current, a large number of experiments are performed in advance to obtain different included angle sets and preset current sets of sampling points on folds corresponding to different fold color information.
The method comprises the steps of obtaining the variation range of the influence of the tone, the saturation and the brightness of different luminous points on the visual effect of human eyes through experiments, determining the color range according to the variation range, obtaining the preset current of each sampling point at the crease according to the experiment, and adjusting the current when the preset current of each sampling point at the crease is obtained. And establishing an adjustment coefficient table taking the color range as a search condition and the adjustment coefficient as a search result based on an experimental result, determining the adjustment coefficient of each luminous point according to the table after obtaining the color average value of the luminous point at the folding cross part, and carrying out interpolation processing according to the product of the adjustment coefficient and the preset current average value of each sampling point pair to obtain the preset current of all the luminous points on the crease.
In step 302, a face image is acquired through a front camera of the mobile phone, and after the face image is analyzed, the pupil position and the interpupillary distance of the target object are obtained, and the position of the visual focus of the target object on the folding screen is determined by using the pupil position and the interpupillary distance of the target object.
In step 303, a set of angles to be processed is established according to the angle relationship formed by the eye position, the visual focus position and the luminous points at the crease of the folding screen, wherein the vertex of the included angle is the sampling point on the crease, and the eye position and the visual focus position are the two side endpoints of the included angle respectively.
In step 304, according to the angle set to be processed obtained in step 303, searching a preset current set which is obtained through experiments and corresponds to the angle set, determining preset currents of each first preset sampling point at the crease, and obtaining preset currents of all luminous points on the crease through interpolation processing;
in step 305, the current values of all the light emitting points on the folding screen are adjusted to the obtained preset current of all the light emitting points on the folding screen, so as to change the brightness of the folding screen at the folds to reduce the influence of the folds on the visual effect of human eyes.
To facilitate an understanding of the fold compensation method of the folding screen provided by the present disclosure, the following description is made with reference to fig. 4. FIG. 4 is a schematic view of angles between first predetermined sampling points at opposite folds of the human eye;
Acquiring a current human eye position and a visual focus position of a target object on a folding screen through an image acquisition device, and acquiring a relative angle value set { theta 1—θn } according to the relative position relation among the human eye position, the visual focus position and 1-n first preset sampling points on folds, wherein an included angle theta 1—θn takes each first preset sampling point on the folds as an included angle vertex, and the human eye position and the visual focus position are two side endpoints of the included angle;
In the initial stage of the method, a large number of experiments are required to be carried out to comprehensively acquire relative angle value sets of the positions of eyes and vision focal points at different positions and 1-n first preset sampling points on folds as far as possible, so that the position relation of the positions of the eyes and the vision focal points relative to the folds can be uniquely determined.
Based on the same inventive concept, the present disclosure further provides a payment method recommendation device 500, as shown in fig. 5, including:
A position obtaining module 501, configured to obtain a human eye position of a target object and a visual focus position of the target object on the folding screen;
the preset current determining module 502 is configured to determine a preset current of each light emitting point on the crease according to the relative positional relationship between the eye position, the visual focus position and the crease;
The luminous point current adjustment module 503 is configured to adjust the luminous points on the crease according to the obtained preset current of each luminous point.
In one embodiment, the location acquisition module includes:
the face image acquisition unit is used for acquiring the face image of the target object through the image acquisition device;
the face image analysis unit is used for analyzing and processing the face image to obtain the pupil position and the interpupillary distance of the target object;
And the focal position determining unit is used for determining the visual focal position of the target object on the folding screen by utilizing the pupil position of the target object and the interpupillary distance.
In one embodiment, the preset current determination module includes:
The first preset sampling point angle determining unit is used for determining included angles respectively formed by the human eye position, the visual focus position and the first preset sampling points according to the positions of the first preset sampling points on the crease, and forming an angle set to be processed by the included angles corresponding to all the first preset sampling points;
The first preset current determining unit is used for searching a preset current set corresponding to the angle set to be processed according to the corresponding relation between the preset angle set and the preset current set; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
In one embodiment, the included angle in the first preset sampling point angle determining unit takes each first preset sampling point as an included angle vertex, and the eye position and the vision focus position are respectively endpoints of sides of the included angle.
In one embodiment, the preset current determination module includes:
The first preset sampling point angle determining unit is used for determining included angles respectively formed by the human eye position, the visual focus position and the second preset sampling points according to the positions of the first preset sampling points on the crease, and forming an angle set to be processed by the included angles corresponding to all the first preset sampling points;
a color information acquisition unit, configured to determine color information of the crease according to the color information acquired at each second preset sampling point;
The second preset current determining unit is used for searching a preset current set corresponding to the angle set to be processed according to the color information of the crease, the corresponding relation between the angle set and the preset current set, which are established in advance; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
In one embodiment, the included angle takes each of the first preset sampling points as an included angle vertex, and the eye position and the visual focus position are endpoints of sides of the included angle respectively.
In one embodiment, if the preset current set includes preset currents of each second preset sampling point on the crease, the light-emitting point current adjustment module includes:
The current determining unit is used for carrying out interpolation processing on the preset current of each second preset sampling point at the crease, and determining the preset current of each luminous point at the crease;
and the adjusting unit is used for adjusting the current of each luminous point at the crease to the preset current corresponding to the luminous point.
In one embodiment, the current determining unit is specifically configured to:
acquiring color information of each second preset sampling point at the crease;
determining color average values of all luminous points included in adjacent second preset sampling point pairs;
searching a color range corresponding to the color mean value, and determining an adjustment coefficient corresponding to the color range;
And adjusting the preset current average value of the second preset sampling point pair according to the adjustment coefficient, and carrying out interpolation processing on the preset current average value to obtain the current of the luminous points between the second preset sampling point pair.
For implementation of each operation in crease compensation of the folding screen, reference may be made to the description of the previous method, and the description thereof will not be repeated here.
Having described the fold compensation method and apparatus of the folding screen of the exemplary embodiment of the present disclosure, next, an electronic device according to another exemplary embodiment of the present disclosure is described.
Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
In some possible implementations, an electronic device according to the present disclosure may include at least one processor, and at least one memory. Wherein the memory stores program code which, when executed by the processor, causes the processor to perform the steps in the data processing method according to various exemplary embodiments of the disclosure described above in this specification. For example, a processor may perform steps such as in a data processing method.
An electronic device 130 according to such an embodiment of the present disclosure is described below with reference to fig. 6. The electronic device 130 shown in fig. 6 is merely an example and should not be construed to limit the functionality and scope of use of embodiments of the present disclosure in any way.
As shown in fig. 6, the electronic device 130 is in the form of a general-purpose electronic device. Components of electronic device 130 may include, but are not limited to: the at least one processor 131, the at least one memory 132, and a bus 133 connecting the various system components, including the memory 132 and the processor 131.
Bus 133 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a processor, and a local bus using any of a variety of bus architectures.
Memory 132 may include readable media in the form of volatile memory such as Random Access Memory (RAM) 1321 and/or cache memory 1322, and may further include Read Only Memory (ROM) 1323.
Memory 132 may also include a program/utility 1325 having a set (at least one) of program modules 1324, such program modules 1324 include, but are not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The electronic device 130 may also communicate with one or more external devices 134 (e.g., keyboard, pointing device, etc.), one or more devices that enable a user to interact with the electronic device 130, and/or any device (e.g., router, modem, etc.) that enables the electronic device 130 to communicate with one or more other electronic devices. Such communication may occur through an input/output (I/O) interface 135. Also, electronic device 130 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 136. As shown, network adapter 136 communicates with other modules for electronic device 130 over bus 133. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 130, including, but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
In some possible embodiments, aspects of a fold compensation method for a folding screen provided by the present disclosure may also be implemented in the form of a program product comprising program code for causing a computer device to perform the steps of a fold compensation method for a folding screen according to various exemplary embodiments of the present disclosure as described above in the present specification, when the program product is run on the computer device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The program product for fold compensation of a folding screen of embodiments of the present disclosure may employ a portable compact disc read only memory (CD-ROM) and include program code and may run on an electronic device. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the consumer electronic device, partly on the consumer electronic device, as a stand-alone software package, partly on the consumer electronic device, partly on the remote electronic device, or entirely on the remote electronic device or server. In the case of remote electronic devices, the remote electronic device may be connected to the consumer electronic device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external electronic device (e.g., connected through the internet using an internet service provider).
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such a division is merely exemplary and not mandatory. Indeed, the features and functions of two or more of the units described above may be embodied in one unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one unit described above may be further divided into a plurality of units to be embodied.
Furthermore, although the operations of the methods of the present disclosure are depicted in the drawings in a particular order, this is not required or suggested that these operations must be performed in this particular order or that all of the illustrated operations must be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
It will be apparent to those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present disclosure have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the disclosure.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present disclosure without departing from the spirit or scope of the disclosure. Thus, the present disclosure is intended to include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (14)

1. A method of crease compensation for a folding screen, the method comprising:
acquiring the human eye position of a target object and the visual focus position of the target object on the folding screen; determining included angles respectively formed by the human eye position, the visual focus position and the first preset sampling points according to the positions of the first preset sampling points on the crease; wherein each first sampling point corresponds to a unique included angle, any included angle takes a corresponding first preset sampling point as an included angle vertex, and the human eye position and the visual focus position are respectively taken as two side end points of the included angle;
Forming an angle set to be processed according to the included angles corresponding to the first preset sampling points, and determining preset currents of the luminous points on the crease marks based on the angle set to be processed;
And adjusting the luminous points on the folds according to the obtained preset current of each luminous point.
2. The method of claim 1, wherein obtaining the visual focus position of the target object comprises:
acquiring a face image of the target object through an image acquisition device;
analyzing and processing the face image to obtain the pupil position and the interpupillary distance of the target object;
and determining the visual focus position of the target object on the folding screen by utilizing the pupil position of the target object and the interpupillary distance.
3. The method according to claim 1, wherein said determining a preset current for each luminous point on the crease based on the set of angles to be processed comprises:
searching a preset current set corresponding to the angle set to be processed according to the corresponding relation between the pre-established angle set and the preset current set; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
4. The method according to claim 1, wherein said determining a preset current for each luminous point on the crease based on the set of angles to be processed comprises:
determining the color information of the crease according to the color information of each second preset sampling point;
Searching a preset current set corresponding to the angle set to be processed according to the color information of the crease, the corresponding relation between the angle set and the preset current set, which are established in advance; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
5. The method according to claim 3 or 4, wherein if the preset current set includes preset currents of the second preset sampling points on the folds, the adjusting the current of the light emitting points on the folds according to the obtained preset currents of the light emitting points includes:
interpolation processing is carried out on the preset current of each second preset sampling point at the crease, and the preset current of each luminous point at the crease is determined;
And adjusting the current of each luminous point at the crease to obtain the current corresponding to the luminous point.
6. The method of claim 5, wherein interpolating the preset current at each second preset sampling point at the crease to determine the preset current at each light emitting point at the crease, comprises:
acquiring color information of each second preset sampling point at the crease;
determining color average values of all luminous points included in adjacent second preset sampling point pairs;
searching a color range corresponding to the color mean value, and determining an adjustment coefficient corresponding to the color range;
And adjusting the preset current average value of the second preset sampling point pair according to the adjustment coefficient, and carrying out interpolation processing on the preset current average value to obtain the current of the luminous points between the second preset sampling point pair.
7. A fold compensation device for a folding screen, the device comprising:
The position acquisition module is used for acquiring the human eye position of the target object and the visual focus position of the target object on the folding screen;
The preset current determining module is used for determining included angles respectively formed by the human eye position, the visual focus position and the first preset sampling points according to the positions of the first preset sampling points on the crease; each included angle corresponds to a unique first preset sampling point, and any included angle takes the first preset sampling point corresponding to the included angle as an included angle vertex, and takes the human eye position and the visual focus position as endpoints on two sides of the included angle;
Forming an angle set to be processed according to the included angles corresponding to the first preset sampling points, and determining preset currents of the luminous points on the crease marks based on the angle set to be processed;
and the luminous point current adjusting module is used for adjusting the luminous points on the folds according to the acquired preset current of each luminous point.
8. The apparatus of claim 7, wherein the location acquisition module comprises:
the face image acquisition unit is used for acquiring the face image of the target object through the image acquisition device;
the face image analysis unit is used for analyzing and processing the face image to obtain the pupil position and the interpupillary distance of the target object;
And the focal position determining unit is used for determining the visual focal position of the target object on the folding screen by utilizing the pupil position of the target object and the interpupillary distance.
9. The apparatus of claim 7, wherein the preset current determination module comprises:
The first preset current determining unit is used for searching a preset current set corresponding to the angle set to be processed according to the corresponding relation between the preset angle set and the preset current set; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
10. The apparatus of claim 7, wherein the preset current determination module comprises:
a color information acquisition unit, configured to determine color information of the crease according to the color information acquired at each second preset sampling point;
The second preset current determining unit is used for searching a preset current set corresponding to the angle set to be processed according to the color information of the crease, the corresponding relation between the angle set and the preset current set, which are established in advance; the preset current set comprises preset currents of all second preset sampling points on the crease, or the preset current set comprises preset currents of all luminous points on the crease.
11. The apparatus according to claim 9 or 10, wherein if the preset current set includes preset currents of each second preset sampling point on the crease, the light emitting point current adjustment module includes:
The current determining unit is used for carrying out interpolation processing on the preset current of each second preset sampling point at the crease, and determining the preset current of each luminous point at the crease;
and the adjusting unit is used for adjusting the current of each luminous point at the crease to the preset current corresponding to the luminous point.
12. The apparatus according to claim 11, wherein the current determination unit is specifically configured to:
acquiring color information of each second preset sampling point at the crease;
determining color average values of all luminous points included in adjacent second preset sampling point pairs;
searching a color range corresponding to the color mean value, and determining an adjustment coefficient corresponding to the color range;
And adjusting the preset current average value of the second preset sampling point pair according to the adjustment coefficient, and carrying out interpolation processing on the preset current average value to obtain the current of the luminous points between the second preset sampling point pair.
13. An electronic device comprising at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method according to any one of claims 1-6.
14. A computer storage medium, characterized in that the computer storage medium stores a computer program for causing a computer to perform the method according to any one of claims 1-6.
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