CN115410487A - 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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- CN115410487A CN115410487A CN202211139396.9A CN202211139396A CN115410487A CN 115410487 A CN115410487 A CN 115410487A CN 202211139396 A CN202211139396 A CN 202211139396A CN 115410487 A CN115410487 A CN 115410487A
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Abstract
The invention belongs to the technical field of light source control, solves the problem of poor image display quality caused by poor light efficiency control of a light-emitting element when the shape of a display screen adopting the light-emitting element is irregular in the prior art, and provides a control method and a control device of the light-emitting element of a ribbon display screen and electronic equipment. The method comprises the following steps: dividing the ribbon screen into a plurality of different display areas; acquiring first rotation angles of the second state of each display area compared with the first state, and setting the image rotation angles of the original images of the corresponding display areas according to 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 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 overlapped 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 is a divisional application of application with the application number of CN202210732199.1, the application date of 2022, 6 months and 27 days, and the invention name of intelligent display method, device, equipment and storage medium of ribbon-shaped display screen.
Technical Field
The invention relates to the technical field of intelligent display, in particular to a control method and device for a light-emitting element of a ribbon-shaped display screen and electronic equipment.
Background
Along with the development of information technology, display screens have also changed very much, and current LED and LCD display screen are except conventional rectangle display screen, also appear a large amount of special-shaped screens, if: cylindrical and arc; however, the whole special-shaped screen belongs to a regular display screen, and is not suitable for various scenes, and particularly in various exhibitions, the display screen is too hard to fit the surrounding environment; expression effects that affect brands or themes; therefore, it is necessary to develop a display screen with a shape similar to a ribbon shape so as to improve the effect of theme display.
For example, in the information display method, the computer-readable storage medium, and the single curved display panel described in patent publication CN112687192A, the display panel is bent and then rotated to display, thereby improving the information transmission value, the information exposure, and the like. For example, in the method disclosed in the patent publication CN114546206A, the image adjustment information of the output image in the output window is determined according to the form adjustment information of the special-shaped screen, and then each end point of the image is adjusted, and the end point adjustment information is obtained, so that the original image is sliced, and each image to be displayed is displayed on the special-shaped screen after the form adjustment. As another example, in the screen splitting method based on the special-shaped display screen described in the patent publication CN108920070B, according to the touch gesture of the user, when the touch gesture starts in the notch area of the special-shaped display screen, a screen splitting instruction is generated, so as to split the current display page into at least two display areas. The special-shaped display screens are independent and have limited length (such as small electronic equipment like televisions, mobile phones and the like), the problem of picture association and coordination does not exist among the display screens, and meanwhile, the problem of integration of real scenes such as exhibition halls and the like is not required to be considered; the ribbon screen not only has the function of displaying information, but also has the function of coordinating with the theme content to be displayed in the exhibition hall, so that the problem of picture display of the ribbon display screen needs to be solved in order to better transmit and regularly change information in the theme exhibition hall related to the ribbon shape.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a method and an apparatus for controlling a light emitting device of a ribbon display panel, and an electronic device, so as to solve the problem of poor image display quality caused by poor light efficiency control of the light emitting device when the display panel using the light emitting device has an irregular shape in the prior art.
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 display, where the ribbon display includes at least one ribbon screen in a ribbon shape, 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 first display screen and the second display screen each include a linear matrix of light emitting elements, the method includes:
dividing the ribbon screen into a plurality of different display areas;
acquiring a first rotation angle of a second state of each display area compared with a first state, and setting the image rotation angle of the original image of the corresponding display area at each first rotation angle, wherein the first state refers to a state that the ribbon screen is in a cuboid shape when being tiled, and the second state refers to 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 the second state;
and 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 overlapped illumination effects.
Preferably, the light emitting element is an LED lamp bead, and one LED lamp bead corresponds to one pixel point of the display image of the display screen.
Preferably, the LED lamp pearl is monochromatic lamp pearl or polychrome lamp pearl, polychrome lamp pearl includes red, green, blue trinity lamp pearl or red, green, blue and adds any one four unification lamp pearls in red, green, blue.
Preferably, the rotating the corresponding region of the original image by the display regions according to the corresponding image rotation angle to obtain the base image displayed by the display regions 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 rotated target object according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
and 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 center of rotation is a geometric center of the target object.
Preferably, the 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 includes:
acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting the light-emitting elements corresponding to the second coordinate information according to the effective irradiation area of the third light-emitting elements to obtain second light-emitting elements;
and according to the corresponding relation between each second light-emitting element and each first light-emitting element, each second light-emitting element emits light according to the corresponding light-emitting parameter of each first light-emitting element to obtain the basic image.
Preferably, the subtracting, according to the effective irradiation area of each third light-emitting element, each light-emitting element corresponding to each second coordinate information to obtain each second light-emitting element includes:
the obtaining of each second light emitting element by deleting each light emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light emitting element includes:
acquiring the effective irradiation area and the area threshold 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 the whole 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 further provides a control device for light emitting elements of a ribbon display, where the ribbon display includes at least one ribbon screen in a ribbon shape, 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 first display screen and the second display screen each include a linear matrix formed by the light emitting elements, and the control device includes:
the zone module is used for dividing the ribbon screen into a plurality of different display zones;
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 the image rotation angle of the original image of the corresponding display area according to each first rotation angle, wherein the first state refers to a state that the ribbon screen is in a cuboid shape when being tiled, and the second state refers to 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 in each display area to obtain a basic image displayed in the second state in each display area;
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 overlapped illumination effect.
In a third aspect, the present invention further provides an electronic device, including: at least one processor, at least one memory, and computer program instructions stored in the memory that, 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 the method of any of the above.
In conclusion, 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 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 solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without any creative effort, other drawings may be obtained according to the drawings, and these drawings are all within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of an intelligent display method for a ribbon display screen in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a ribbon-shaped smart screen in embodiment 1 of the present invention;
fig. 3 is a schematic view of the first angles of rotation of the streamer panel in accordance with embodiment 1 of the invention;
FIG. 4 is a schematic diagram of a rotation structure of an original sub-image in embodiment 1 of the present invention;
fig. 5 is a schematic view of a display scene of a ribbon-shaped smart screen application in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of an edge image after rotation of an original sub-image in embodiment 1 of the present invention;
FIG. 7 is a schematic structural diagram of a target image with non-smooth edges according to embodiment 1 of the present invention;
fig. 8 is a schematic structural diagram of a snapshot manner of a light emitting device in embodiment 1 of the present invention;
FIG. 9 is a schematic structural view of a multiple ribbon panel cooperative display in embodiment 1 of the present invention
Fig. 10 is a schematic structural diagram of an intelligent display device of a target streamer-shaped display screen in embodiment 2 of the invention;
fig. 11 is a schematic structural diagram of an electronic device in embodiment 3 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It should be noted that, in this document, 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 invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Also, 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 phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the various features of the present invention and embodiments may be combined with each other and are within the scope of the present invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic flow chart of an intelligent display method for a ribbon display screen in embodiment 1 of the present invention, where the ribbon display screen includes at least one ribbon screen in a ribbon shape, the ribbon screen includes a first display screen disposed on a front side and a second display screen disposed on a back side, the ribbon screen includes a first state in a rectangular parallelepiped shape when tiled and a second state in an irregular spiral ascending distribution, and the method includes:
s1: acquiring a first rotation angle corresponding to each display area of the ribbon screen in the second state compared with the first state;
s2: determining, based on the first rotation angles, image rotation angles of original images displayed in the first state in the display areas in the second state;
s3: rotating the original image according to each image rotation angle to obtain a basic image displayed in the second state of the ribbon screen;
s4: and optimizing each light-emitting element with repeated illumination effect according to the illumination effect of each light-emitting element corresponding to the basic image to obtain the target image in the second state.
Specifically, referring to fig. 2, the ribbon-shaped display screen includes three ribbon screens (ribbon screen B, ribbon screen C, and ribbon screen D), the ribbon screen state in fig. 2 is denoted as the second state of the ribbon screen, the ribbon screen is laid flat into a horizontal rectangular state and denoted as the first state, the three ribbon screens are spirally raised 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 raised in the axial direction), giving the sense of flying with the wind to the person, which can be applied to a specific body, the display screen is combined with the ribbon-shaped modeling structure along with the continuous development of the display technology of the display screen, so that the problem of the display screen being out of harmony with the modeling can be eliminated, the three ribbon screens in fig. 2 are arranged along the cylindrical member, which can be a cylindrical display screen, the ribbon screen is a rectangular box body, a first display screen is arranged on the front side of the ribbon screen, a second display screen is arranged on the back side of the ribbon screen, the first display screen and the second display screen are linear matrixes formed by light-emitting elements, the light-emitting elements preferably select LED lamp beads, one LED lamp bead corresponds to one pixel point of a display image of the display screen, the LED lamp beads can be single-color lamp beads or multi-color lamp beads, the multi-color lamp beads comprise red, green and blue three-in-one lamp beads, and can also be any one of red, green and blue 4-in-one lamp beads, 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 specifically limited; meanwhile, the representation form of the ribbon screen is not particularly limited; dividing the ribbon 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, setting the image rotation angle of the original image of the corresponding display area according to each first rotation angle, and rotating the corresponding area of the original image according to the corresponding image rotation angle by each display area to obtain the basic image 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 to determine whether the light-emitting elements have the same light-emitting parameters and the same illumination areas, so that the light-emitting effect is repeated; then, optimizing a plurality of light-emitting elements corresponding to the overlapped light-emitting effects, for example, if part of the light-emitting elements do not emit light or the light-emitting parameters of all the light-emitting elements are adjusted to obtain new light-emitting parameters of all the light-emitting elements, so that the display picture effect of all the display areas in the second state reaches the display picture effect of all the display areas 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, gives people the feeling that the pattern is inclined visually, and simultaneously analyzes the illumination effect of each light-emitting element by matching the pattern with the ribbon screen, thereby effectively saving energy.
In one embodiment, the S1 includes:
s11: acquiring the screen length of a streamer screen, first position information corresponding to a highest point on the bottom edge or the top edge of the streamer screen and second position information corresponding to a lowest point opposite to the highest point;
s12: dividing the ribbon screen into a plurality of continuous display areas which are controlled independently according to the screen length, the first position information and the second position information;
s13: determining the first rotation angle corresponding to each display area according to the bottom edge or the top edge of each independently controlled display area.
Specifically, the drift angles of the second state of the ribbon screen are different in different positions compared with the offset angles of the first state, the integral offset angle of the second state of the ribbon screen relative to the first state is determined by acquiring position information of the lowest point and the highest point of the bottom edge or the top edge of the second state of the ribbon screen, the number of light emitting elements contained in each display area is determined according to the size of the offset angle, the ribbon screen is 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 ribbon screen in an irregular shape is divided into a plurality of display areas in a partition mode, image rotation correction is performed on original images needing to be displayed in each display area, and visual transition of screen rotation and image rotation is met.
In one 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 deviation angle of the ribbon screen according to the first position information and the second position information;
s123: determining the 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 unit area number;
s124: partitioning the ribbon 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, one light-emitting element is marked as a light-emitting unit, a row of LED lamp beads of the ribbon screen or a light-emitting region corresponding to the LED lamp beads is taken as a unit region, corresponding offset angle threshold values are set for different offset angles of the ribbon screen, the ribbon screen is partitioned according to the offset angle threshold values to which the offset angles belong, when the ribbon screen is partitioned, the number of the unit regions contained in each display region is different when the offset angles belonging to different offset angle threshold values are subjected to ribbon screen partitioning, so that the ribbon screen with different radians and basic images displayed by the ribbon screen are different in the degree of deviation rectification rotation, the ribbon screen offset phenomenon is naturally transited through correction of display pictures, and the display effect is ensured.
In one embodiment, the 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: recording an included angle between the target tangent line and a corresponding bottom edge or top edge of the ribbon screen in the first state as the first rotation angle, and obtaining each first rotation angle corresponding to each display area.
Specifically, after the streamer screen is divided into a plurality of display areas, respectively acquiring top edge radians or bottom edge arc segments of each display area, and then regarding a relationship between a target tangent line corresponding to the arc segment and the top edge or the bottom edge of the streamer screen in a first state as an included angle, recording the included angle as a first rotation angle, please refer to fig. 3, where fig. 3 shows the first rotation angles of the three display areas of the streamer screen 1, which are respectively 25 °,68 ° and 65 °; 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 ensured to correspond to each display area, and the overall display effect of the ribbon screen in the second state is improved.
In one embodiment, the S2 includes:
s21: acquiring each original sub-image corresponding to each display area;
s22: carrying out target detection on each original sub-image, and determining each target display area with a target object;
s23: obtaining each image rotation angle of each original sub-image corresponding to each target display area according to each first rotation angle corresponding to each target display area;
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 recorded as α, the first rotation angle is recorded as β, α ≦ 1/2 β < 45, and 0 ≦ α ≦ 15.
Specifically, detecting the original sub-images of each display area, determining whether a target object needing to be rotated exists, only calculating the image rotation angle of the target display area where the target object exists, and then rotating the original sub-images of each target display area by the corresponding image rotation angle, wherein the image rotation angle is smaller than a first rotation angle and the direction is opposite to the first rotation angle, and through a large amount of data tests, the fact that when the image rotation angle is smaller than or equal to 1/2 of the first rotation angle, the display effect of the ribbon screen is optimal, the relative position of the basic image and the ribbon screen can be kept in a certain range, and the deviation correction of image deviation caused when the original sub-images of each display area rotate along with each display area can be completed through the smaller image rotation angle, so that the overall display effect of the ribbon display screen is improved, the visual effect of inclination is avoided, and the problem that the display image and the rotation angle are not coordinated is avoided; as shown in fig. 3, 25 ° and 68 ° are first rotation angles in the clockwise direction, and the image rotation angle corresponding to the first rotation angle in the clockwise direction of 25 ° is 12.5 ° or less in the counterclockwise direction, and the image rotation angle corresponding to the first rotation angle in the clockwise direction of 68 ° is 34 ° or less in the counterclockwise direction, and 65 ° is a rotation angle in the counterclockwise direction; an image rotation angle corresponding to a first rotation angle of a counterclockwise direction of 65 ° is 32.5 ° 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 to the first state, and after the original sub-image rotates by 16 ° along with the display area a, the image rotation angle in the clockwise direction is corrected by 8 ° to obtain the base image of the display area a, so as to eliminate the image tilt effect caused by the rotation of the image along with the display area and improve the visual experience.
In one 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 rotated target object according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
s33: and 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, and 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 screen background includes: "sky", "greenfield", etc.; the target object is a non-centrosymmetric pattern, each light-emitting element corresponding to each pixel point of the target object in an original image is recorded as a first light-emitting element, each light-emitting element corresponding to each pixel point of the target object in a basic image is recorded 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 not only a red, green and blue three-in-one lamp bead but also any one of a red, green and blue 4-in-one lamp bead, a common LED lamp bead and a miniLED lamp bead can be selected according to the pixel density, and the rotation of the LED lamp bead is not specifically limited; after the target objects are determined, the rotation center of each target object is rotated, so that an original image generated by light emission of each first light-emitting element in a first state is converted into a basic image generated by light emission of each second light-emitting element in a second state, specifically, light-emitting parameters of the first light-emitting elements are written into each second light-emitting element in a one-to-one correspondence manner, then, a post-processor controls each second light-emitting element to emit light according to the light-emitting parameters of each corresponding first light-emitting element, so that the basic image is obtained, and the rotation center is the geometric center of the target object.
In one embodiment, the S33 includes:
acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting the light-emitting elements corresponding to the second coordinate information according to the effective irradiation area of the third light-emitting elements to obtain second light-emitting elements;
and according to the corresponding relation between each second light-emitting element and each first light-emitting element, each second light-emitting element emits light according to the corresponding light-emitting parameter of each first light-emitting element to obtain the basic image.
In an embodiment, the deleting, according to the effective irradiation area of each third light-emitting element, each light-emitting element corresponding to each second coordinate information to obtain each second light-emitting element includes:
acquiring the effective irradiation area and the area threshold 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 the whole 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 lamp bead or a light emitting region of a lamp bead, as shown in (a) in fig. 6, the effective region of each light emitting element included in the original sub-image is a fully illuminated region, as shown in (b) in fig. 6, after the original sub-image is rotated and rectified according to the image rotation angle, the light emitting element corresponding to each light emitting region changes, and the effective region existing part of the light emitting element corresponding to the edge image region is a non-fully illuminated region, and only there are two states of light emission or no light emission based on the light emitting element, so that the illumination region of the third light emitting element corresponding to the edge image is optimized by analyzing the effective illuminated region of the edge image corresponding to each light emitting element, preferably, the effective region of the third light emitting element whose illumination region meets a preset value is enlarged to the entire region of the light emitting region, the effective region of the third light emitting element smaller than the preset value is canceled, that the third light emitting element does not emit light, or the light is emitted according to the light emission parameter of the background color, as shown in (a) in fig. 7, the effective illuminated region of the edge image is enlarged to be smaller than 1/2, and the effective illuminated region of the edge image is enlarged to obtain an enlarged image; as shown in fig. 7 (b), the resulting final base image has non-smooth edges at the edge positions, and the area occupied by the existing single light-emitting element is sufficiently small, so that there is no visually non-smooth edge.
In one embodiment, the S4 includes:
s41: acquiring light-emitting parameters and illumination areas of all light-emitting elements corresponding to the basic image;
s42: determining target light-emitting elements with overlapped illumination areas according to the light-emitting parameters and the illumination areas;
s43: and performing snapshot light emission on each target light-emitting element according to the overlapped part of the illumination area of each target light-emitting element to obtain a target image in the second state.
Specifically, because the ribbon-shaped display screen has a radian, the illumination areas of the light-emitting elements overlap with each other, or the light rays of the two opposite light-emitting elements pass through the display screen of the ribbon-shaped display screen and then irradiate the display screen corresponding to the other opposite light-emitting elements, the illumination areas of the light-emitting elements are obtained, so that the light-emitting elements with mutually overlapped or crossed illumination areas can be determined, the overlapped range of the target light-emitting elements with the same light-emitting parameters and overlapped or crossed illumination areas is analyzed, the light-emitting parameters are the same, and the target light-emitting elements with overlapped or crossed light-emitting areas perform snapshot light-emitting, wherein the snapshot light-emitting can be that the light-emitting areas of the light-emitting elements can be completely covered by the light-emitting areas of the other target light-emitting elements are controlled not to emit light; as shown in fig. 8, the light-emitting elements corresponding to the illumination regions "(1), (2)" and (3) "have the same light-emitting parameters, and it can be seen from the figure that the illumination region" (1) "completely covers the illumination region" (2) "and the illumination region" (3) "by partially crossing them, and therefore, the light-emitting elements corresponding to the illumination region" (2) "and the illumination region" (3) "can be controlled not to emit light; the luminous elements with overlapped illumination areas are controlled in a snapshot mode, so that the picture effect of a target image is not distorted, energy is saved, the display effect of multiple groups of luminous elements can be achieved for the same pattern due to enough luminous elements, the service life of the ribbon screen is prolonged, and the problem that the ribbon screen cannot work due to the fact that part of the luminous elements are damaged is solved.
In one embodiment, the S43 includes:
acquiring position information of each target luminous element at the overlapped part of the illumination area;
gridding the overlapped part of the illumination area to obtain each overlapped unit, wherein any overlapped unit comprises a plurality of continuous target light-emitting pieces;
performing snapshot on all target luminous elements of each overlapping unit according to a first snapshot proportion to obtain a first snapshot result;
optimizing the first snapshot result according to a second snapshot proportion and the position information of each target luminous element to obtain a second snapshot result;
and emitting light according to the second snapshot result to obtain the target image.
Specifically, the overlapping part of the illumination area is divided into a plurality of overlapping units by using a gridding mode, each overlapping unit comprises a plurality of target light-emitting elements, then, first snapshot is carried out according to a first snapshot proportion to obtain a first snapshot result, and each corresponding target light-emitting element in the first snapshot result is temporarily determined not to need to emit light according to an original light-emitting parameter; and then, optimizing the first snapshot result according to a second snapshot proportion, so as to determine a target light-emitting element which does not need to emit light according to the original light-emitting parameter, for example, the first snapshot result is that the light-emitting parameter needs to be adjusted temporarily for 1000 LED lamp beads, optimizing the adjacent or non-qualified distance target light-emitting elements in the first snapshot result through second snapshot to obtain 800 or other target light-emitting elements which need to adjust the light-emitting parameter finally, and the other target light-emitting elements emit light according to the original light-emitting parameter to obtain a target image.
In an application embodiment, the ribbon screen is often displayed by matching a plurality of ribbons, so that a theme display effect is achieved, and not only mutual coordination between double-sided display screens of the ribbon screen is required, but also mutual coordination between different ribbon screens is required, so that the following processing is performed on the original subimages 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 content for each target area corresponding to different screen types according to the screen information and the image type information, wherein the image content comprises a background image and a pattern image, and the screen types comprise a first display screen and a second display screen;
setting differentiated same-attribute image contents 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 ribbon screen.
Specifically, a first display screen on the front side and a second display screen on the back side of the streamer screen are marked as different screen types, and a background image and a pattern image of a screen display picture are marked as image contents with different attributes; the different same-attribute image contents are as follows: the pattern images have different picture contents, the same image has different imaging sizes and different image display angles; when each ribbon screen is in the second state, firstly, the screen information of each target area and the image type information of the displayed original sub-image, which are visually associated with each other and belong to different ribbon screens, are determined, as shown in fig. 9, the target area comprises 5 target areas, namely, "a", "b", "c", "d" and "e", the target areas "a" and "c" belong to the same ribbon screen, the target areas "b" and "e" belong to the same ribbon screen, the target area "d" belongs to a ribbon screen, the target areas "b" and "c" belong to the second display screen, the target areas "a", "d" and "e" belong to the first display screen, the display pictures of the target areas "a", "d" and "e" are set as pattern images, the target areas "b" and "c" are set as background images, the target areas "b" and the target areas "c" and "d" actually form an alternate relationship, and the viewing angles of the target areas "a", "b", "d" and "e" are oriented to the same, so that the target areas are set as the display picture patterns of the target areas "b" image; if the original sub-image displayed in the target area 'c' is a pattern image, extending the previous background image to increase the picture of the previous background image so that the picture displayed in the target area 'c' is a background image, and the picture displayed in the target area'd' is the same as that displayed in the target area 'e', so that the pattern images in the target area'd' and the target area 'e' are displayed in a differentiated manner to obtain a transition image displayed in each display area of each ribbon screen in the second state, and then performing the image rotation, the dot extraction and other processing on the transition image to obtain the target image of each ribbon screen; therefore, the display of the multiple ribbon screens in a mutually matched mode is realized, and the display effect of the displayed theme is realized.
The invention provides an intelligent display method of a ribbon display screen, which comprises the steps of obtaining a first rotation angle of each display area when the ribbon screen is in a first state and in a second state of a ribbon, then determining an image rotation angle of an original image to be displayed in each display area according to the corresponding first rotation angle, and rotating the original image in each display area according to the corresponding image rotation angle to obtain a basic image actually displayed in each display area, thereby realizing the deviation correction of the original image in the display area when the ribbon screen rotates from the first state to the second state; meanwhile, the light-emitting elements corresponding to the basic image are deleted based on the illumination areas of the light-emitting elements of the ribbon screen, namely the light-emitting elements with the same illumination effect are deleted, so that electricity can be saved, distortion caused by effect superposition can be avoided, and the display effect of the ribbon screen is improved.
Example 2
Referring to fig. 10, fig. 10 is a schematic structural view of an intelligent display device based on any one of the foregoing ribbon-shaped display screens according to embodiment 2 of the present invention, where the ribbon-shaped display screen includes at least one ribbon screen in a ribbon shape, the ribbon screen includes a first display screen disposed on a front surface and a second display screen disposed on a back surface, the ribbon screen includes a first state in a rectangular parallelepiped shape when tiled and a second state in an irregular spiral ascending distribution, and the device includes:
a data acquisition module: the device is used for acquiring a first rotation angle corresponding to each display area of the ribbon screen in the second state compared with the first state;
a data analysis module: determining, based on the first rotation angles, image rotation angles of original images displayed in the first state in the display areas in the second state;
an image conversion module: for rotating said original image according to each of said image rotation angles, displaying a rotated base image in said second state of the streamer screen;
a target image module: and optimizing each light-emitting element with repeated illumination effect according to the illumination effect of each light-emitting element corresponding to the basic image to obtain the target image in the second state.
The invention provides an intelligent display device of a ribbon display screen, which is characterized in that a first rotation angle of each display area is obtained when the ribbon screen is tiled and is in a ribbon second state, then the 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, a basic image displayed in each display area is obtained, and the deviation rectification of the original image in the display area is realized when the ribbon screen rotates from the first state to the second state; meanwhile, the light-emitting elements corresponding to the basic image are deleted based on the illumination areas of the light-emitting elements of the ribbon screen, namely the light-emitting elements with the same illumination effect are deleted, so that not only can the electricity be saved, but also the distortion caused by effect superposition can be avoided, and the display effect of the ribbon screen is improved.
In one embodiment, the data acquisition module comprises:
an information acquisition unit: acquiring the screen length of a streamer screen, first position information corresponding to a highest point on the bottom edge or the top edge of the streamer screen and second position information corresponding to a lowest point opposite to the highest point;
a screen partitioning unit: dividing the ribbon screen into a plurality of continuous display areas which are controlled independently according to the screen length, the first position information and the second position information;
an angle calculation unit: determining the first rotation angle corresponding to each display area one to one according to the bottom edge or the top edge of each independently controlled display area.
In one embodiment, the screen partition unit includes:
a 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;
a screen shift unit: obtaining an actual deviation angle of the ribbon screen according to the first position information and the second position information;
a light source dividing unit: determining the 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 unit area number;
a display area generation unit: partitioning the ribbon 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 one embodiment, the angle calculation unit includes:
a basic parameter acquisition unit: acquiring target tangent lines corresponding to the bottom side arc section or the top side arc section of each display area;
an angle generation unit: recording an included angle between the target tangent line and a corresponding bottom side or top side of the ribbon screen in the first state as the first rotation angle, and obtaining each first rotation angle corresponding to each display area.
In one embodiment, the data analysis module comprises:
an image acquisition unit: acquiring each original sub-image corresponding to each display area;
an object detection unit: carrying out target detection on each original sub-image, and determining each target display area with a target object;
a data processing unit: obtaining each image rotation angle of each original sub-image corresponding to each target display area according to each first rotation angle corresponding to each target display area;
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:
a 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;
a coordinate conversion unit: generating second coordinate information corresponding to each pixel point of each rotated target object 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: and 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:
an optical parameter unit: acquiring light-emitting parameters and illumination areas of all light-emitting elements corresponding to the basic image;
an 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 snapshot lighting on each target light-emitting element according to the overlapped part of the illumination area 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 banderol screens coordinated with each other, the processing of the rotated raw image further comprises:
many ribbon screen information acquisition units: acquiring screen information of each target area belonging to different ribbon screens and image category information of each original sub-image;
an image complementing unit: setting complementary image content for each target area corresponding to different screen types according to the screen information and the image type information, wherein the image content comprises a background image and a pattern image, and the screen types comprise a first display screen and a second display screen;
an image difference unit: setting differentiated same-attribute image contents for each target area corresponding to the same screen type according to the screen information and the image type information;
an image filling 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 ribbon screen.
The invention provides an intelligent display device of a ribbon display screen, which is characterized in that a first rotation angle of each display area is obtained when the ribbon screen is tiled and is in a ribbon second state, then the 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, a basic image displayed in each display area is obtained, and the deviation rectification of the original image in the display area is realized when the ribbon screen rotates from the first state to the second state; meanwhile, the light-emitting elements corresponding to the basic image are deleted based on the illumination areas of the light-emitting elements of the ribbon screen, namely the light-emitting elements with the same illumination effect are deleted, so that electricity can be saved, distortion caused by effect superposition can be 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.
Specifically, the processor may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured to implement one or more Integrated circuits of the embodiments of the present invention, and the electronic device includes at least one of the following: the wearing equipment that camera, mobile device that has the camera, have the camera.
The memory may include mass storage for data or instructions. By way of example, and not limitation, memory may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or Universal Serial Bus (USB) Drive or a combination of two or more of these. 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 non-volatile solid-state memory. In a particular embodiment, the memory includes Read Only Memory (ROM). Where appropriate, the ROM may be mask-programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically Erasable PROM (EEPROM), electrically Alterable ROM (EAROM), or flash memory, or a combination of two or more of these.
The processor reads and executes the computer program instructions stored in the memory to realize the intelligent display method of the ribbon-shaped display screen in any one of the above embodiment modes.
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 to complete mutual communication.
The communication interface is mainly used for realizing communication among modules, devices, units and/or equipment in the embodiment of the invention.
A bus comprises hardware, software, or both that couple components of an electronic device to one another. By way of example, and not limitation, a bus 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 these. A bus may include one or more buses, where appropriate. Although specific buses have been described and illustrated with respect to embodiments of the invention, any suitable buses or interconnects are contemplated by the invention.
To sum up, embodiments of the present invention provide an intelligent display method, apparatus, device, and storage medium for a ribbon display screen, where a first rotation angle of each display area when the ribbon display screen is in a first state and in a second state of a ribbon is 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, and 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, so as to implement deviation rectification of the original image in the display area when the ribbon display screen rotates from the first state to the second state; meanwhile, the light-emitting elements corresponding to the basic image are deleted based on the illumination areas of the light-emitting elements of the ribbon screen, namely the light-emitting elements with the same illumination effect are deleted, so that electricity can be saved, distortion caused by effect superposition can be avoided, and the display effect of the ribbon screen is improved.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. 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 illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as 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, plug-in, 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 by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, 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 so forth. 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 used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of controlling light emitting elements of a ribbon display, the ribbon display comprising at least one ribbon panel, the ribbon panel comprising a first panel disposed on a front side and a second panel disposed on a back side, the first and second panels each comprising a linear matrix of light emitting elements, the method comprising:
dividing the ribbon screen into a plurality of different display areas;
acquiring first rotation angles of a second state of each display area compared with a first state, and setting the image rotation angles of the original images of the corresponding display areas at each first rotation angle, wherein the first state refers to a state that the ribbon screen is in a rectangular parallelepiped when being tiled, and the second state refers to a state that the ribbon screen ascends along an irregular spiral;
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 the second state;
and 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 overlapped illumination effects.
2. The method of claim 1, wherein the light emitting elements are LED bulbs, and one LED bulb corresponds to one pixel point of the display image of the display screen.
3. The method of claim 2, wherein the LED lamp beads are single-color lamp beads or multi-color lamp beads, and the multi-color lamp beads include red, green and blue three-in-one lamp beads or red, green and blue plus red, green and blue four-in-one lamp beads.
4. The method according to any one of claims 1 to 3, wherein the rotating the corresponding region of the original image by the display regions according to the corresponding image rotation angle to obtain the base image displayed by the display regions in the second state comprises:
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 rotated target object according to the image rotation angle, the rotation center and the first coordinate information of each pixel point of each target object;
and writing the light-emitting parameters of each first light-emitting element corresponding to the first coordinate information into each second light-emitting element corresponding to the second coordinate information, and controlling each second light-emitting element to emit light to obtain the basic image.
5. The method of claim 4, wherein the center of rotation is a geometric center of a target object.
6. The method according to claim 4, wherein writing the light emission 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 base image comprises:
acquiring each third light-emitting element corresponding to the edge image of the original image in each second coordinate information;
deleting the light-emitting elements corresponding to the second coordinate information according to the effective irradiation area of the third light-emitting elements to obtain second light-emitting elements;
and according to the corresponding relation between each second light-emitting element and each first light-emitting element, each second light-emitting element emits light according to the corresponding light-emitting parameter of each first light-emitting element, so as to obtain the basic image.
7. The method according to claim 6, wherein the deleting, according to the effective irradiation area of each third light-emitting element, each light-emitting element corresponding to each second coordinate information to obtain each second light-emitting element comprises:
the obtaining of each second light-emitting element by subtracting each light-emitting element corresponding to each second coordinate information according to the effective irradiation area of each third light-emitting element includes:
acquiring the effective irradiation area and the area threshold 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 the whole 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.
8. The utility model provides a ribbon form display screen's light emitting component's controlling means, its characterized in that, ribbon form display screen includes at least one ribbon screen that is the ribbon form, the ribbon screen is including setting up at positive first display screen and setting 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 zone module is used for dividing the ribbon screen into a plurality of different display zones;
an acquisition module, configured to acquire a first rotation angle of a second state of each display area as compared to a first state, and set an image rotation angle of an original image of the corresponding display area at each first rotation angle, where the first state is a state in which the ribbon panel is rectangular when tiled, and the second state is a state in which the ribbon panel ascends along an irregular spiral;
the basic image acquisition module is used for rotating the corresponding area of the original image according to the corresponding image rotation angle in each display area to obtain a basic image displayed in the second state in each display area;
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 overlapped illumination effect.
9. An electronic device, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of claims 1-7.
10. A storage medium having computer program instructions stored thereon, which when executed by a processor implement the method of any one of claims 1-7.
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| CN112433688A (en) * | 2019-08-26 | 2021-03-02 | 杭州海康威视数字技术股份有限公司 | Image display method and device and spliced screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115410487B (en) | 2023-10-13 |
| CN114822269A (en) | 2022-07-29 |
| CN114822269B (en) | 2022-09-23 |
| CN115424523B (en) | 2023-11-03 |
| CN115424523A (en) | 2022-12-02 |
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