CN115410487B - Control method and device for light-emitting element of ribbon-shaped display screen and electronic equipment - Google Patents
Control method and device for light-emitting element of ribbon-shaped display screen and electronic equipment Download PDFInfo
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- CN115410487B CN115410487B CN202211139396.9A CN202211139396A CN115410487B CN 115410487 B CN115410487 B CN 115410487B CN 202211139396 A CN202211139396 A CN 202211139396A CN 115410487 B CN115410487 B CN 115410487B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
Abstract
The invention belongs to the technical field of light source control, solves the problem of poor image display quality caused by poor light effect control of a light emitting element when the shape of a display screen adopting the light emitting element is irregular, and provides a control method and device of the light emitting element of a ribbon-shaped display screen and electronic equipment. The method comprises the following steps: dividing the streamer screen into a plurality of different display areas; acquiring first rotation angles of the second states of the display areas compared with the first states, and setting image rotation angles of original images of the corresponding display areas at the first rotation angles; each display area rotates the corresponding area of the original image according to the corresponding image rotation angle to obtain a basic image displayed by each display area in a second state; and (3) carrying out illumination effect analysis on the light emitting elements corresponding to the basic images of the display areas, and controlling and optimizing the light emitting effect on the plurality of light emitting elements corresponding to the overlapping of the illumination effects. The invention optimizes the luminous effect of the luminous element and improves the image display quality of the streamer screen.
Description
The invention relates to an intelligent display method, a device, equipment and a storage medium of a ribbon-shaped display screen, which are applied for the application number CN202210732199.1, the application date 2022, 6 and 27.
Technical Field
The present invention relates to the field of intelligent display technologies, and in particular, to a method and an apparatus for controlling a light emitting element of a ribbon display, and an electronic device.
Background
With the development of information technology, display screens have also changed greatly, and besides conventional rectangular display screens, current LED and LCD display screens also exhibit a large number of special-shaped screens, such as: cylindrical, arc; however, the whole special-shaped screen belongs to a regular display screen, is not suitable for various scenes, and particularly on various exhibitions, the display screen is too hard and is not in good charge with the surrounding environment; influence the expression effect of brands or themes; therefore, development of a special-shaped display screen like a ribbon is needed to improve the effect of theme display.
An information display method, a computer-readable storage medium, and a single curved display screen described in an electronic device as described in the publication CN112687192a are disclosed, in which the display screen is rotated after being bent to improve the information transfer value, the information exposure, and the like. According to the method for displaying the special-shaped screen disclosed in the publication CN114546206a, the screen adjustment information of the output screen in the output window is determined according to the form adjustment information of the special-shaped screen, then each endpoint of the screen is adjusted, the endpoint adjustment information is obtained, and thus the original screen is sliced, and each screen to be displayed is displayed on the special-shaped screen after the form adjustment. In another example, in a screen splitting method based on a special-shaped display screen described in the publication CN108920070B, according to a touch gesture of a user, when the touch gesture starts from a notch area of the special-shaped display screen, a screen splitting instruction is generated to split a current display page into at least two display areas. The special-shaped display screens are independent, have limited length (such as small electronic equipment such as televisions and mobile phones), have no picture association coordination problem between the display screens, and do not need to consider the problem of merging real scenes such as exhibition halls; the ribbon screen not only has the function of displaying information, but also has the function of coordinating with the subject content to be displayed in the exhibition hall, so that in order to better transfer information and replace information in timing in the related subject exhibition hall related to ribbon-shaped modeling, the problem of picture display of the ribbon-shaped display screen needs to be solved.
Disclosure of Invention
In view of the above, the embodiments of the present invention provide a method, an apparatus, and an electronic device for controlling a light emitting element of a ribbon-shaped display screen, so as to solve the problem in the prior art that the quality of image display is poor due to poor light efficiency control of the light emitting element when the display screen using the light emitting element is irregular.
The technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a method for controlling light emitting elements of a ribbon-shaped display screen, wherein the ribbon-shaped display screen includes at least one ribbon-shaped display screen, the ribbon screen includes a first display screen disposed on a front surface and a second display screen disposed on a back surface, the first display screen and the second display screen each include a linear matrix formed by the light emitting elements, the method includes:
dividing the streamer screen into a plurality of different display areas;
acquiring a first rotation angle of each display area in a second state compared with a first state, and setting an image rotation angle of an original image of a corresponding display area at each first rotation angle, wherein the first state is a cuboid state when the ribbon screen is tiled, and the second state is a state that the ribbon screen rises along an irregular spiral shape;
Each display area rotates the corresponding area of the original image according to the corresponding image rotation angle to obtain a basic image displayed by each display area in a second state;
and (3) carrying out illumination effect analysis on the light emitting elements corresponding to the basic images of the display areas, and controlling and optimizing the light emitting effect on the plurality of light emitting elements corresponding to the overlapping of the illumination effects.
Preferably, the light emitting element is an LED light bead, and one LED light bead corresponds to one pixel point of the display image of the display screen.
Preferably, the LED lamp bead is a single-color lamp bead or a multi-color lamp bead, and the multi-color lamp bead includes a red, green and blue three-in-one lamp bead or a four-in-one lamp bead of any one of red, green and blue and red, green and blue.
Preferably, the rotating, by each display area, the corresponding area of the original image according to the corresponding image rotation angle, to obtain the basic image displayed by each display area in the second state includes:
acquiring a rotation center of each target object to be rotated in each display area and first coordinate information corresponding to each pixel point of each target object before rotation;
generating second coordinate information corresponding to each pixel point of each target object after rotation according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
Writing the light-emitting parameters of the first light-emitting elements corresponding to the first coordinate information into the second light-emitting elements corresponding to the second coordinate information, and controlling the second light-emitting elements to emit light to obtain the basic image.
Preferably, the rotation center is a geometric center of the target object.
Preferably, writing the light emitting parameters of the first light emitting elements corresponding to the first coordinate information into the second light emitting elements corresponding to the second coordinate information, and controlling the light emitting of the second light emitting elements to obtain the basic image, including:
acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting each light-emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light-emitting element to obtain each second light-emitting element;
and according to the corresponding relation between the second light-emitting elements and the first light-emitting elements, the second light-emitting elements emit light according to the corresponding light-emitting parameters of the first light-emitting elements, so that the basic image is obtained.
Preferably, the deleting each light emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light emitting element to obtain each second light emitting element includes:
The step of deleting each light emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light emitting element to obtain each second light emitting element includes:
acquiring the effective irradiation area and the area threshold value of each third light-emitting element;
and increasing the effective irradiation area of each third light-emitting element with the effective irradiation area larger than or equal to the area threshold to a full area, and reducing the effective irradiation area of each third light-emitting element with the effective irradiation area smaller than the area threshold to 0 to obtain each second light-emitting element.
In a second aspect, the present invention also provides a control device for light emitting elements of a ribbon-shaped display screen, the ribbon-shaped display screen including at least one ribbon-shaped display screen, the ribbon screen including a first display screen disposed on a front surface and a second display screen disposed on a rear surface, the first display screen and the second display screen each including a linear matrix of light emitting elements, the control device comprising:
the zoning module is used for dividing the streamer screen into a plurality of different display areas;
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a first rotation angle of a second state of each display area compared with a first state, and setting an image rotation angle of an original image of a corresponding display area according to each first rotation angle, wherein the first state is a cuboid state when the ribbon screen is tiled, and the second state is a state that the ribbon screen rises along an irregular spiral shape;
The basic image acquisition module is used for rotating the corresponding area of the original image according to the corresponding image rotation angle to obtain a basic image displayed by each display area in the second state;
and the control module is used for analyzing the illumination effect of the light-emitting elements corresponding to the basic images of the display areas and controlling and optimizing the light-emitting effect of the plurality of light-emitting elements corresponding to the overlapping of the illumination effect.
In a third aspect, the present invention also provides an electronic device, including: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any of the above.
In a fourth aspect, the invention also provides a medium having stored thereon computer program instructions which, when executed by a processor, implement a method as claimed in any preceding claim.
In summary, the beneficial effects of the invention are as follows:
the control method and device for the light-emitting element of the ribbon-shaped display screen and the electronic equipment provided by the invention optimize the light-emitting effect of the light-emitting element and improve the image display quality of the ribbon screen.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described, and it is within the scope of the present invention to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an intelligent display method of a ribbon-shaped display screen in embodiment 1 of the invention;
FIG. 2 is a schematic diagram of a ribbon-shaped smart screen according to embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the structure of each first rotation angle of the streamer screen according to the embodiment 1 of the invention;
FIG. 4 is a schematic diagram showing the rotation structure of an original image in embodiment 1 of the present invention;
FIG. 5 is a schematic diagram of a display scenario of a ribbon-shaped smart screen application in embodiment 1 of the present invention;
FIG. 6 is a schematic diagram of the structure of the rotated edge image of the original image in embodiment 1 of the present invention;
FIG. 7 is a schematic diagram of a structure of a target image with non-smooth edges in embodiment 1 of the present invention;
FIG. 8 is a schematic diagram illustrating a pumping mode of a light emitting device according to an embodiment 1 of the present invention;
FIG. 9 is a schematic diagram showing the structure of a multi-ribbon screen collaborative display in embodiment 1 of the present invention
Fig. 10 is a schematic structural diagram of an intelligent display device with a ribbon-shaped display screen in embodiment 2 of the present application;
fig. 11 is a schematic structural diagram of an electronic device in embodiment 3 of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Moreover, 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 … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element. The various features of the application and of the embodiments may be combined with one another without conflict, and are within the scope of the application.
Example 1
Referring to fig. 1, fig. 1 is a flow chart of an intelligent display method of a ribbon-shaped display screen in embodiment 1 of the present invention, where the ribbon-shaped display screen includes at least one ribbon-shaped display screen, the ribbon screen includes a first display screen disposed on a front surface and a second display screen disposed on a back surface, and the ribbon screen includes a first state that is rectangular when tiled and a second state that rises along an irregular spiral shape, and the method includes:
s1: acquiring a first rotation angle corresponding to each display area of the ribbon screen in a second state compared with the first state;
s2: determining each image rotation angle of the original image displayed in the first state by each display area in the second state according to each first rotation angle;
s3: rotating the original image according to the rotation angles of the images to obtain a basic image displayed in the second state of the streamer screen;
s4: and according to the illumination effect of each light emitting element corresponding to the basic image, performing optimization processing on each light emitting element with repeated illumination effect to obtain the target image in the second state.
Specifically, referring to fig. 2, the ribbon-shaped display screen includes three ribbon screens (a ribbon screen B, a ribbon screen C and a ribbon screen D), the ribbon screen state is marked as a second state of the ribbon screen in fig. 2, the ribbon screen is tiled into a horizontal rectangular state and is marked as a first state, the three ribbon screens are spirally arranged around a cylindrical member (i.e. one end of the ribbon screen 1 is fixed, the other end is rotated in the circumferential direction and is lifted in the axial direction), the sense of flying with wind is given to people, the ribbon-shaped display screen can be practically used for a specific main body, the display screen and the ribbon-shaped structure are combined with the continuous development of the display technology of the display screen, the problem of uncoordinated shapes of the display screen can be eliminated, the three ribbon screens are arranged along the cylindrical member in fig. 2, the cylindrical member can be a cylindrical display screen, the light-emitting diode lamp can also be a decoration, the light-emitting diode lamp is not particularly limited, the light-emitting diode lamp is a decoration, the light-emitting diode lamp is a single-color lamp or a multi-color lamp, the multi-color lamp comprises a red, green and blue three-in-one lamp, or a red, green and blue 4-in-one lamp added with any one of the red, green and blue lamps, a common LED lamp and a miniLED lamp can be selected according to pixel density, and the rotation of the LED lamp is not particularly limited; meanwhile, the expression form of the streamer screen is not particularly limited herein; dividing the streamer screen into a plurality of different display areas, wherein the second state of each display area is different from the first rotation angle of the first state, the image rotation angles of the original images of the corresponding display areas are set according to the first rotation angles, and each display area rotates the corresponding area of the original images according to the corresponding image rotation angles to obtain the basic images displayed by each display area in the second state; then, carrying out illumination effect analysis on the light-emitting elements corresponding to the basic images of the display areas, and determining whether the light-emitting elements have the same light-emitting parameters and the same irradiation areas, so that the light-emitting effect is repeated; then optimizing a plurality of light-emitting elements corresponding to the overlapping of the light-emitting effects, for example, adopting part of the light-emitting elements to emit no light, or adjusting the light-emitting parameters of each light-emitting element to obtain new light-emitting parameters of each light-emitting element, so that the display picture effect of each display area in the second state reaches the display picture effect of each display area in the first state; the invention can effectively correct the image when each display area of the ribbon screen is inclined compared with the horizontal plane, visually gives people the sense that the pattern is inclined, and meanwhile, the pattern is matched with the ribbon screen, so that the illumination effect of each luminous element is analyzed, and the invention can effectively save.
In one embodiment, the S1 includes:
s11: acquiring the screen length of the ribbon screen, first position information corresponding to the highest point of the bottom edge or the top edge of the ribbon screen and second position information corresponding to the lowest point opposite to the highest point;
s12: dividing the streamer screen into a plurality of continuous independently controlled display areas according to the screen length, the first position information and the second position information;
s13: and determining the first rotation angle corresponding to each display area one by one according to the bottom edge or the top edge of each display area which is independently controlled.
Specifically, the deviation angles of the second state of the ribbon screen at different positions are different compared with those of the first state, the deviation angles of the lowest point and the highest point of the bottom edge or the top edge of the second state of the ribbon screen are obtained, the integral deviation angles of the second state of the ribbon screen relative to the first state are determined, the number of light emitting elements contained in each display area is determined according to the size of the deviation angles, the ribbon screen is further divided into a plurality of display areas, the first rotation angle corresponding to each display area is determined according to the top edge or the bottom edge of each display area, the irregularly-shaped display screen of the ribbon screen is divided into a plurality of display areas in a partitioning mode, and image rotation correction is carried out on an original image to be displayed in each display area, so that the visual transition of screen rotation and image rotation is met.
In an embodiment, the S12 includes:
s121: acquiring each deviation angle threshold value of a ribbon screen and the number of unit areas contained in the display area corresponding to each deviation angle threshold value;
s122: obtaining an actual offset angle of the streamer screen according to the first position information and the second position information;
s123: determining a target number of unit areas contained in each display area corresponding to the actual offset angle according to each offset angle threshold and the corresponding number of unit areas;
s124: partitioning the streamer screen according to the target number to obtain each display area;
the unit area is a light-emitting area corresponding to a row of light-emitting units.
Specifically, a light-emitting element is recorded as a light-emitting unit, a row of LED lamp beads of the ribbon screen or a light-emitting area corresponding to the LED lamp beads are used as a unit area, corresponding offset angle thresholds are set for different offset angles of the ribbon screen, the ribbon screen is partitioned according to the offset angle thresholds to which the offset angles belong, when the ribbon screen is partitioned according to the offset angle thresholds to which the offset angles belong, the number of the unit areas contained in each display area is different, so that the degree of deviation correction rotation of the ribbon screen with different radians and a basic image displayed by the ribbon screen is different, and natural transition of the ribbon screen offset phenomenon is realized through correction of display images, and the display effect is ensured.
In one embodiment, the step S13 includes:
s131: acquiring each target tangent corresponding to the bottom edge arc section or the top edge arc section of each display area;
s132: and recording the included angle between the target tangent line and the bottom edge or the top edge corresponding to the ribbon screen in the first state as the first rotation angle, and obtaining each first rotation angle corresponding to each display area one by one.
Specifically, after dividing the streamer screen into a plurality of display areas, respectively obtaining the top edge radian or bottom edge arc section of each display area, then forming an included angle relation with the top edge or bottom edge of the streamer screen in the first state by a target tangent corresponding to the arc section, and recording the included angle as a first rotation angle, wherein referring to fig. 3, fig. 3 shows the first rotation angles of the three display areas of the streamer screen 1, which are 25 °, 68 ° and 65 ° respectively; the ribbon screen is divided into a plurality of display areas, and the image rotation angles are respectively set in the display areas, so that the rotation effect of each image is guaranteed to correspond to each display area, and the integral display effect of the ribbon screen in the second state is improved.
In an embodiment, the S2 includes:
s21: acquiring each original sub-image corresponding to each display area;
s22: performing target detection on each original sub-image to determine each target display area with a target object;
S23: obtaining the image rotation angles of the original sub-images corresponding to the target display areas according to the first rotation angles corresponding to the target display areas;
wherein a rotation direction of the image rotation angle is opposite to the first rotation angle direction, and the image rotation angle is smaller than the first rotation angle.
In one embodiment, the image rotation angle is noted as α, the first rotation angle is noted as β, α.ltoreq.1/2β < 45 °, and 0.ltoreq.α.ltoreq.15 °.
Specifically, detecting original sub-images of all display areas, determining whether an object to be rotated exists, only calculating an image rotation angle of the object display area with the object to be rotated, then rotating the original sub-images of all the object display areas with the corresponding image rotation angle, wherein the image rotation angle is smaller than a first rotation angle and opposite to the first rotation angle, and through a large number of data tests, the display effect of the ribbon screen is optimal when the image rotation angle is smaller than or equal to 1/2 of the first rotation angle, so that the relative position of a basic image and the ribbon screen can be kept in a certain range, correction of image offset caused when the original sub-images of all the display areas rotate along with all the display areas can be completed through the smaller image rotation angle, the overall display effect of the ribbon-shaped display screen is improved, the inclined visual effect is avoided, and the problem that the rotation angle of the display image and the ribbon screen is not coordinated can be avoided; as shown in fig. 3, the first rotation angles of 25 ° and 68 ° are clockwise first rotation angles, the image rotation angle corresponding to the first rotation angle of 25 ° clockwise is 12.5 ° or less in the counterclockwise direction, the image rotation angle corresponding to the first rotation angle of 68 ° clockwise is 34 ° or less in the counterclockwise direction, and 65 ° is the rotation angle in the counterclockwise direction; the image rotation angle corresponding to the 65-degree counterclockwise first rotation angle is 32.5 degrees or less in the clockwise direction; as shown in fig. 4, fig. 4 shows that the first rotation angle of the display area a is 16 ° counterclockwise compared with the first state, when the original sub-image follows the display area a to rotate 16 ° and then rectifies with the image rotation angle of 8 ° clockwise, a basic image of the display area a is obtained, so that the image tilting effect caused by the rotation of the image along with the display area is eliminated, and the visual perception is improved.
In an embodiment, the S3 includes:
s31: acquiring a rotation center of each target object to be rotated in each display area and first coordinate information corresponding to each pixel point of each target object before rotation;
s32: generating second coordinate information corresponding to each pixel point of each target object after rotation according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
s33: writing the light-emitting parameters of the first light-emitting elements corresponding to the first coordinate information into the second light-emitting elements corresponding to the second coordinate information, and controlling the second light-emitting elements to emit light to obtain the basic image.
Specifically, the ribbon screen needs to display a picture background and a pattern image, wherein the pattern image comprises: characters, buildings, logos, and symbols; as shown in fig. 5, the pattern image includes "subject slogan", "character", "symbol (five-pointed star, circle, etc)" and "building", and the picture background includes: "sky", "greenfield", etc.; the target object is in a non-centrosymmetric pattern, each light-emitting element corresponding to each pixel point of the target object in an original image is marked as a first light-emitting element, each light-emitting element corresponding to each pixel point of the target object in a basic image is marked as a second light-emitting element, wherein one LED lamp bead corresponds to one pixel point of a display image of a display screen, the LED lamp bead can be a single-color lamp bead or a multi-color lamp bead, the multi-color lamp bead comprises a red, green and blue three-in-one lamp bead, or a red, green and blue 4-in-one lamp bead added with any one of the red, green and blue lamp beads, and common LED lamp beads and miniLED lamp beads can be selected according to pixel density, and the rotation of the LED lamp beads is not particularly limited; after the target objects are determined, the original images generated by the light emission of the first light emitting elements in the first state are converted into basic images generated by the light emission of the second light emitting elements in the second state by rotating the rotation center of each target object, specifically, the light emission parameters of the first light emitting elements are written into the second light emitting elements in a one-to-one correspondence mode, then the post processor controls the second light emitting elements to emit light according to the light emission parameters of the corresponding first light emitting elements, and accordingly the basic images are obtained, and the rotation center is the geometric center of the target object.
In an embodiment, the step S33 includes:
acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting each light-emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light-emitting element to obtain each second light-emitting element;
and according to the corresponding relation between the second light-emitting elements and the first light-emitting elements, the second light-emitting elements emit light according to the corresponding light-emitting parameters of the first light-emitting elements, so that the basic image is obtained.
In an embodiment, the deleting each light emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light emitting element, to obtain each second light emitting element includes:
acquiring the effective irradiation area and the area threshold value of each third light-emitting element;
and increasing the effective irradiation area of each third light-emitting element with the effective irradiation area larger than or equal to the area threshold to a full area, and reducing the effective irradiation area of each third light-emitting element with the effective irradiation area smaller than the area threshold to 0 to obtain each second light-emitting element.
Specifically, as shown in fig. 6, each square in fig. 6 represents a bead or a light emitting area of a bead, as shown in (a) in fig. 6, the effective area of each light emitting element included in the original sub-image is a full irradiation area, as shown in (b) in fig. 6, when the original sub-image rotates and rectifies according to the rotation angle of the image, the light emitting element corresponding to each light emitting area changes, and a part of the effective area of the light emitting element corresponding to the edge image area is a non-full irradiation area, based on the fact that the light emitting element only emits light or does not emit light, therefore, the effective irradiation area of the edge image corresponding to each light emitting element is analyzed to optimize the irradiation area of the third light emitting element corresponding to the edge image, preferably, the effective area of the third light emitting element with the irradiation area corresponding to the preset value is expanded to the full irradiation area of the light emitting area, and the effective area of the third light emitting element with the irradiation area smaller than the preset value is cancelled, namely the third light emitting element does not emit light, or emits light according to the light emitting parameters of background color, as shown in (a) in fig. 7, the effective area of the edge image is cancelled, and the effective area of the third light emitting element is cancelled at the effective area 1/the full irradiation area of the edge image is cancelled, and the effective area of the edge image is the effective area is the area 2 is the full irradiation area of the base area is obtained; as shown in fig. 7 (b), the resulting final base image is a non-smooth edge at the edge position, and the area occupied by the existing single light emitting element is small enough so that there is no visually non-smooth edge.
In an embodiment, the S4 includes:
s41: acquiring the light emitting parameters and the illumination areas of the light emitting elements corresponding to the basic image;
s42: determining each target light-emitting element with overlapped illumination areas according to each light-emitting parameter and the illumination areas;
s43: and performing extraction point light emitting on each target light emitting element according to the illumination region overlapping part of each target light emitting element to obtain a target image in the second state.
Specifically, as the ribbon-shaped display screen has radian, the illumination areas of the light emitting elements are overlapped, or the light rays of the two opposite surface light emitting elements irradiate the display screen corresponding to other opposite surface light emitting elements after passing through the display screen of the display screen, the light emitting elements with mutually overlapped and crossed illumination areas can be determined by acquiring the illumination areas of the light emitting elements, the overlapping or crossed target light emitting elements with the same light emitting parameters and overlapped or crossed illumination areas are subjected to overlapping range analysis, the light emitting parameters are the same, and the overlapped or crossed target light emitting elements in the light emitting areas are subjected to extraction point light emission, wherein the extraction point light emission can be the light emitting elements with the light emitting areas which are completely covered by the light emitting areas of other target light emitting elements are controlled to not emit light; as shown in fig. 8, the light emitting parameters of the light emitting elements corresponding to the light emitting areas (1), (2) and (3) are the same, and as can be seen from the figure, the light emitting elements corresponding to the light emitting area (1) "completely cover the light emitting area (2)" and the light emitting area (3) "by partially crossing, so that the light emitting elements corresponding to the light emitting area (2)" and the light emitting area (3) "can be controlled not to emit light; the light-emitting elements overlapped in the illumination area are controlled in a snapshot mode, so that the picture effect of a target image is not distorted, energy sources are saved, meanwhile, as the light-emitting elements are enough, the display effect of a plurality of groups of light-emitting elements can be achieved for the same pattern generally, the service life of the streamer screen is prolonged, and the problem that the streamer screen cannot work due to the damage of part of light-emitting elements is avoided.
In one embodiment, the step S43 includes:
acquiring position information of each target luminous element of the overlapping part of the illumination area;
performing gridding treatment on the overlapping parts of the illumination areas to obtain overlapping units, wherein any one of the overlapping units comprises a plurality of continuous target luminous elements;
performing snapshot on all target light emitting parts of each overlapping unit according to a first snapshot proportion to obtain a first snapshot result;
optimizing the first pumping result according to a second pumping ratio and the position information of each target luminous element to obtain a second pumping result;
and carrying out luminescence according to the second snapshot result to obtain the target image.
Specifically, dividing the overlapping part of the illumination area into a plurality of overlapping units in a gridding mode, wherein each overlapping unit comprises a plurality of target light-emitting elements, and performing first-time snapshot according to a first snapshot proportion to obtain a first snapshot result, wherein each corresponding target light-emitting element in the first snapshot result is tentatively determined to be free from emitting according to the original light-emitting parameters; and then optimizing the first pumping result according to a second pumping ratio so as to determine a target luminous element which does not need to emit light according to the original luminous parameters finally, for example, the first pumping result is that 1000 LED lamp beads tentatively need to adjust the luminous parameters, optimizing adjacent or non-satisfactory target luminous elements in the first pumping result through the second pumping, obtaining 800 or other numbers of target luminous elements which finally need to adjust the luminous parameters, and emitting light according to the original luminous parameters by other target luminous elements so as to obtain a target image, wherein the problem of distortion of a display image caused by simultaneous pumping of the target luminous elements with adjacent positions or unsatisfactory distances due to regional random pumping can be avoided, and the image effect of the final target image is ensured.
In an application embodiment, the ribbon screen is often displayed by matching multiple ribbons, so that the theme display effect is achieved, and the two-sided display screens of the ribbon screen are mutually coordinated, and different ribbon screens are mutually coordinated, so that the following processing is performed on the original sub-images of each display area of the ribbon screen:
acquiring screen information of each target area belonging to different ribbon screens and image category information of each original sub-image;
setting complementary image contents for each target area corresponding to different screen categories according to the screen information and the image category information, wherein the image contents comprise background images and pattern images, and the screen categories comprise a first display screen and a second display screen;
setting differentiated image contents with the same attribute for each target area corresponding to the same screen category according to the screen information and the image category information;
and optimizing the display area of the pure background pattern of the target image according to the image content of each target area to obtain a transition image displayed on each streamer screen.
Specifically, a first display screen on the front side and a second display screen on the back side of the ribbon screen are marked as different screen categories, and background images and pattern images of screen display pictures are marked as image contents with different attributes; the different same-attribute image contents are as follows: the picture content of the pattern images is different, the imaging size of the same image is different, and the image display angle is different; when each ribbon screen is in a second state, screen information of each target area of the different ribbon screens which are visually related and belong to and image type information of the displayed original sub-image are firstly determined, as shown in fig. 9, the target areas comprise 5 target areas which are a, b, c, d and e, the target areas a, c belong to the same ribbon screen, the target areas b, e belong to the same ribbon screen, the target area d belongs to a ribbon screen, the target areas b, c belong to a second display screen, the target areas a, d and e belong to a first display screen, the display images of the target areas a, d and e are set as pattern images, the target areas b, c are set as background images, and the display images of the target areas b are set as pattern images because the target areas b and d actually form a spaced relationship, and the visual angles of the target areas a, b, d and e are the same; if the original sub-image displayed in the target area 'c' is a pattern image, extending the previous background image to increase the image of the previous background image so that the display image of the target area 'c' is the background image, and displaying the pattern images in the target areas'd' and 'e' in the same way, so that the pattern images of the target areas'd' and 'e' are differentially displayed to obtain transition images displayed in each display area of each ribbon screen in the second state, and then performing the processing such as image rotation, snapshot and the like on the transition images to obtain the target image of each ribbon screen; therefore, the mutual matching display of the multiple ribbon screens is realized, and the display effect of the display theme is realized.
The intelligent display method of the ribbon-shaped display screen acquires a first state when the ribbon-shaped display screen is tiled and a first rotation angle of each display area when the ribbon-shaped display screen is in a second state, then determines an image rotation angle of an original image to be displayed in each display area according to the corresponding first rotation angle, rotates the original image in the display area according to the corresponding image rotation angle to obtain a basic image actually displayed in each display area, and realizes correction of the original image in the display area when the ribbon-shaped display screen rotates from the first state to the second state; meanwhile, the illumination areas of the light emitting elements corresponding to the basic image are omitted based on the ribbon screen, namely, the light emitting elements with the same illumination effect are omitted, so that electricity is saved, distortion caused by effect superposition is avoided, and the display effect of the ribbon screen is improved.
Example 2
Referring to fig. 10, fig. 10 is a schematic structural diagram of an intelligent display device based on a ribbon-shaped display screen according to any one of the above embodiments 2 of the present invention, where the ribbon-shaped display screen includes at least one ribbon-shaped display screen, the ribbon screen includes a first display screen disposed on a front surface and a second display screen disposed on a back surface, and the ribbon screen includes a first state that is rectangular when tiled and a second state that is distributed along an irregular spiral rising direction, and the device includes:
And a data acquisition module: the method comprises the steps of acquiring a first rotation angle corresponding to each display area of a ribbon screen in a second state compared with a first state;
and a data analysis module: determining, according to each of the first rotation angles, each image rotation angle of the original image displayed in the first state by each display area in the second state;
an image conversion module: the method comprises the steps of rotating an original image according to each image rotation angle, and displaying a rotated basic image in the second state of a ribbon screen;
a target image module: and according to the illumination effect of each light emitting element corresponding to the basic image, performing optimization processing on each light emitting element with repeated illumination effect to obtain the target image in the second state.
The intelligent display device of the ribbon-shaped display screen acquires a first state when the ribbon-shaped display screen is tiled and a first rotation angle of each display area when the ribbon-shaped display screen is in a second state, then determines an image rotation angle of an original image to be displayed in each display area according to the corresponding first rotation angle, rotates the original image in the display area according to the corresponding image rotation angle to obtain a basic image actually displayed in each display area, and realizes correction of the original image in the display area when the ribbon-shaped display screen rotates from the first state to the second state; meanwhile, the illumination areas of the light emitting elements corresponding to the basic image are omitted based on the ribbon screen, namely, the light emitting elements with the same illumination effect are omitted, so that electricity is saved, distortion caused by effect superposition is avoided, and the display effect of the ribbon screen is improved.
In one embodiment, the data acquisition module comprises:
information acquisition unit: acquiring the screen length of the ribbon screen, first position information corresponding to the highest point of the bottom edge or the top edge of the ribbon screen and second position information corresponding to the lowest point opposite to the highest point;
screen partition unit: dividing the streamer screen into a plurality of continuous independently controlled display areas according to the screen length, the first position information and the second position information;
an angle calculation unit: and determining the first rotation angle corresponding to each display area one by one according to the bottom edge or the top edge of each display area which is independently controlled.
In one embodiment, the screen partition unit includes:
partition parameter acquisition unit: acquiring each deviation angle threshold value of a ribbon screen and the number of unit areas contained in the display area corresponding to each deviation angle threshold value;
screen shift unit: obtaining an actual offset angle of the streamer screen according to the first position information and the second position information;
a light source dividing unit: determining a target number of unit areas contained in each display area corresponding to the actual offset angle according to each offset angle threshold and the corresponding number of unit areas;
A display area generation unit: partitioning the streamer screen according to the target number to obtain each display area;
the unit area is a light-emitting area corresponding to a row of light-emitting units.
In an embodiment, the angle calculation unit includes:
basic parameter acquisition unit: acquiring each target tangent corresponding to the bottom edge arc section or the top edge arc section of each display area;
an angle generation unit: and recording the included angle between the target tangent line and the bottom edge or the top edge corresponding to the ribbon screen in the first state as the first rotation angle, and obtaining each first rotation angle corresponding to each display area one by one.
In one embodiment, the data analysis module comprises:
an image acquisition unit: acquiring each original sub-image corresponding to each display area;
target detection unit: performing target detection on each original sub-image to determine each target display area with a target object;
a data processing unit: obtaining the image rotation angles of the original sub-images corresponding to the target display areas according to the first rotation angles corresponding to the target display areas;
wherein a rotation direction of the image rotation angle is opposite to the first rotation angle direction, and the image rotation angle is smaller than the first rotation angle.
In one embodiment, the image conversion module includes:
parameter acquisition unit: acquiring a rotation center of each target object to be rotated in each display area and first coordinate information corresponding to each pixel point of each target object before rotation;
coordinate conversion unit: generating second coordinate information corresponding to each pixel point of each target object after rotation according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
an image secondary generation unit: writing the light-emitting parameters of the first light-emitting elements corresponding to the first coordinate information into the second light-emitting elements corresponding to the second coordinate information, and controlling the second light-emitting elements to emit light to obtain the basic image.
In one embodiment, the target image module includes:
optical parameter unit: acquiring the light emitting parameters and the illumination areas of the light emitting elements corresponding to the basic image;
optical parameter analysis unit: determining each target light-emitting element with overlapped illumination areas according to each light-emitting parameter and the illumination areas;
an optical parameter processing unit: and performing extraction point light emitting on each target light emitting element according to the illumination region overlapping part of each target light emitting element to obtain a target image in the second state.
In one embodiment, when there are a plurality of said ribbon screens coordinated with each other, the processing of the rotated original image further includes:
the information acquisition unit of the multi-ribbon screen: acquiring screen information of each target area belonging to different ribbon screens and image category information of each original sub-image;
an image complementation unit: setting complementary image contents for each target area corresponding to different screen categories according to the screen information and the image category information, wherein the image contents comprise background images and pattern images, and the screen categories comprise a first display screen and a second display screen;
an image difference unit: setting differentiated image contents with the same attribute for each target area corresponding to the same screen category according to the screen information and the image category information;
an image shim unit: and optimizing the display area of the pure background pattern of the target image according to the image content of each target area to obtain a transition image displayed on each streamer screen.
The intelligent display device of the ribbon-shaped display screen acquires a first state when the ribbon-shaped display screen is tiled and a first rotation angle of each display area when the ribbon-shaped display screen is in a second state, then determines an image rotation angle of an original image to be displayed in each display area according to the corresponding first rotation angle, rotates the original image in the display area according to the corresponding image rotation angle to obtain a basic image actually displayed in each display area, and realizes correction of the original image in the display area when the ribbon-shaped display screen rotates from the first state to the second state; meanwhile, the illumination areas of the light emitting elements corresponding to the basic image are omitted based on the ribbon screen, namely, the light emitting elements with the same illumination effect are omitted, so that electricity is saved, distortion caused by effect superposition is avoided, and the display effect of the ribbon screen is improved.
Example 3
The present invention provides an electronic device and medium, as shown in fig. 11, comprising at least one processor, at least one memory, and computer program instructions stored in the memory.
In particular, the processor may comprise a Central Processing Unit (CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured as one or more integrated circuits implementing embodiments of the present invention, the electronic device comprising at least one of: camera, have the mobile device of camera, have the wearing equipment of camera.
The memory may include mass storage for data or instructions. By way of example, and not limitation, the memory may comprise a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or universal serial bus (Universal Serial Bus, USB) Drive, or a combination of two or more of the foregoing. The memory may include removable or non-removable (or fixed) media, where appropriate. The memory may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory is a non-volatile solid state memory. In a particular embodiment, the memory includes Read Only Memory (ROM). The ROM may be mask programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory, or a combination of two or more of these, where appropriate.
The processor reads and executes the computer program instructions stored in the memory to implement the intelligent display method of the ribbon-shaped display screen according to any one of the above embodiments.
In one example, the electronic device may also include a communication interface and a bus. The processor, the memory and the communication interface are connected through a bus and complete communication with each other.
The communication interface is mainly used for realizing communication among the modules, the devices, the units and/or the equipment in the embodiment of the invention.
The bus includes hardware, software, or both that couple components of the electronic device to each other. By way of example, and not limitation, the buses may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a HyperTransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a micro channel architecture (MCa) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus, or a combination of two or more of the above. The bus may include one or more buses, where appropriate. Although embodiments of the invention have been described and illustrated with respect to a particular bus, the invention contemplates any suitable bus or interconnect.
In summary, the embodiment of the invention provides an intelligent display method, an intelligent display device, intelligent display equipment and an intelligent display storage medium for a ribbon-shaped display screen, wherein a first state when the ribbon-shaped display screen is tiled and a first rotation angle of each display area when the ribbon-shaped display screen is in a second state are obtained, then an image rotation angle of an original image to be displayed in each display area is determined according to the corresponding first rotation angle, each display area rotates the original image in the display area according to the corresponding image rotation angle to obtain a basic image actually displayed in each display area, and correction of the original image in the display area when the ribbon-shaped display screen rotates from the first state to the second state is realized; meanwhile, the illumination areas of the light emitting elements corresponding to the basic image are omitted based on the ribbon screen, namely, the light emitting elements with the same illumination effect are omitted, so that electricity is saved, distortion caused by effect superposition is avoided, and the display effect of the ribbon screen is improved.
It should be understood that the invention is not limited to the particular arrangements and instrumentality described above and shown in the drawings. For the sake of brevity, a detailed description of known methods is omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and shown, and those skilled in the art can make various changes, modifications and additions, or change the order between steps, after appreciating the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented in hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine readable medium or transmitted over transmission media or communication links by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. A method for controlling light emitting elements of a ribbon-like display screen, wherein the ribbon-like display screen includes at least one ribbon-like display screen, the ribbon screen includes a first display screen disposed on a front surface and a second display screen disposed on a rear surface, the first display screen and the second display screen each include a linear matrix of light emitting elements, the method comprising:
dividing the streamer screen into a plurality of different display areas;
acquiring a first rotation angle of each display area in a second state compared with a first state, and setting an image rotation angle of an original image of a corresponding display area at each first rotation angle, wherein the first state is a cuboid state when the ribbon screen is tiled, and the second state is a state that the ribbon screen rises along an irregular spiral shape;
each display area rotates the corresponding area of the original image according to the corresponding image rotation angle to obtain a basic image displayed by each display area in a second state;
performing illumination effect analysis on the light-emitting elements corresponding to the basic images of the display areas, and controlling and optimizing the light-emitting effect of the plurality of light-emitting elements corresponding to the overlapping of the illumination effects;
each display area rotates the corresponding area of the original image according to the corresponding image rotation angle, and the obtaining of the basic image displayed by each display area in the second state comprises the following steps:
Acquiring a rotation center of each target object to be rotated in each display area and first coordinate information corresponding to each pixel point of each target object before rotation;
generating second coordinate information corresponding to each pixel point of each target object after rotation according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
writing the light-emitting parameters of the first light-emitting elements corresponding to the first coordinate information into the second light-emitting elements corresponding to the second coordinate information, and controlling the second light-emitting elements to emit light to obtain the basic image;
writing the light emitting parameters of the first light emitting elements corresponding to the first coordinate information into the second light emitting elements corresponding to the second coordinate information, and controlling the second light emitting elements to emit light to obtain the basic image, wherein the method comprises the following steps:
acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting each light-emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light-emitting element to obtain each second light-emitting element;
According to the corresponding relation between the second light-emitting elements and the first light-emitting elements, the second light-emitting elements emit light according to the corresponding light-emitting parameters of the first light-emitting elements, so that the basic image is obtained;
the step of deleting each light emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light emitting element to obtain each second light emitting element includes:
acquiring the effective irradiation area and the area threshold value of each third light-emitting element;
and increasing the effective irradiation area of each third light-emitting element with the effective irradiation area larger than or equal to the area threshold to a full area, and reducing the effective irradiation area of each third light-emitting element with the effective irradiation area smaller than the area threshold to 0 to obtain each second light-emitting element.
2. The method of claim 1, wherein the light emitting element is an LED light bead, and wherein an LED light bead corresponds to a pixel of the display screen for displaying an image.
3. The method of claim 2, wherein the LED beads are single-color beads or multi-color beads, and the multi-color beads comprise three-in-one red, green and blue beads or four-in-one beads of any one of red, green and blue plus red, green and blue.
4. The method of claim 1, wherein the center of rotation is a geometric center of the target object.
5. The utility model provides a ribbon-shaped display screen's light emitting component's controlling means, its characterized in that, ribbon-shaped display screen includes at least one ribbon screen that is ribbon-shaped, the ribbon screen includes the first display screen that sets up in the front and sets up the second display screen at the back, first display screen and second display screen all include the linear matrix that light emitting component constitutes, controlling means includes:
the zoning module is used for dividing the streamer screen into a plurality of different display areas;
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a first rotation angle of a second state of each display area compared with a first state, and setting an image rotation angle of an original image of a corresponding display area according to each first rotation angle, wherein the first state is a cuboid state when the ribbon screen is tiled, and the second state is a state that the ribbon screen rises along an irregular spiral shape;
the basic image acquisition module is used for rotating the corresponding area of the original image according to the corresponding image rotation angle to obtain a basic image displayed by each display area in the second state;
The control module is used for analyzing the illumination effect of the light-emitting elements corresponding to the basic images of the display areas and controlling and optimizing the light-emitting effect of the plurality of light-emitting elements corresponding to the overlapping illumination effect;
each display area rotates the corresponding area of the original image according to the corresponding image rotation angle, and the obtaining of the basic image displayed by each display area in the second state comprises the following steps:
acquiring a rotation center of each target object to be rotated in each display area and first coordinate information corresponding to each pixel point of each target object before rotation;
generating second coordinate information corresponding to each pixel point of each target object after rotation according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
writing the light-emitting parameters of the first light-emitting elements corresponding to the first coordinate information into the second light-emitting elements corresponding to the second coordinate information, and controlling the second light-emitting elements to emit light to obtain the basic image;
writing the light emitting parameters of the first light emitting elements corresponding to the first coordinate information into the second light emitting elements corresponding to the second coordinate information, and controlling the second light emitting elements to emit light to obtain the basic image, wherein the method comprises the following steps:
Acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting each light-emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light-emitting element to obtain each second light-emitting element;
according to the corresponding relation between the second light-emitting elements and the first light-emitting elements, the second light-emitting elements emit light according to the corresponding light-emitting parameters of the first light-emitting elements, so that the basic image is obtained;
the step of deleting each light emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light emitting element to obtain each second light emitting element includes:
acquiring the effective irradiation area and the area threshold value of each third light-emitting element;
and increasing the effective irradiation area of each third light-emitting element with the effective irradiation area larger than or equal to the area threshold to a full area, and reducing the effective irradiation area of each third light-emitting element with the effective irradiation area smaller than the area threshold to 0 to obtain each second light-emitting element.
6. An electronic device, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any one of claims 1-4.
7. A storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of any of claims 1-4.
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114822269B (en) | 2022-09-23 |
| CN115424523A (en) | 2022-12-02 |
| CN115424523B (en) | 2023-11-03 |
| CN114822269A (en) | 2022-07-29 |
| CN115410487A (en) | 2022-11-29 |
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