CN114100160A - Shadow play enhanced display method, system and readable storage medium - Google Patents
Shadow play enhanced display method, system and readable storage medium Download PDFInfo
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- CN114100160A CN114100160A CN202111165352.9A CN202111165352A CN114100160A CN 114100160 A CN114100160 A CN 114100160A CN 202111165352 A CN202111165352 A CN 202111165352A CN 114100160 A CN114100160 A CN 114100160A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J19/00—Puppet, marionette, or shadow shows or theatres
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/363—Image reproducers using image projection screens
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
- A63J19/00—Puppet, marionette, or shadow shows or theatres
- A63J2019/003—Shadow shows
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Abstract
The invention provides a shadow play enhanced display method, which comprises the following steps: setting a plurality of movable blocks on the shadow play role; presetting an augmented reality image matched with the movable block; and synchronously projecting the augmented reality image to the shadow puppet role according to the motion trail. The invention synchronously projects the augmented reality image to the shadow play character, makes up the defects of the manufacturing process of the shadow play character for display, enables people to fully feel the artistic charm of the shadow play, attracts the interest of visitors to the traditional culture, and provides a new direction for the combination of the shadow play and the modern technology.
Description
Technical Field
The invention relates to the technical field of shadow play display, in particular to a shadow play enhanced display method, a shadow play enhanced display system and a readable storage medium.
Background
Shadow play is the traditional folk art in China, and in 2011, the shadow play in China selects a non-material cultural heritage representative of human as a famous book. Character silhouettes made of animal hides or cardboard are generally illuminated with light sources to perform folk dramas of stories. During performance, artists sing a story with a locally popular tune while manipulating a opera character behind a white curtain.
However, the number of folk artists is rare at present, the folk artists are limited by places, time and the like, the folk artists cannot be displayed for a long time in places such as museums or schools, more people can know and inherit the folk art, the display mode is rigid, and people cannot deeply feel the artistic charm of the shadow play.
The existing shadow play motion control robot realizes motion control through a plurality of support rods which are connected with the movable parts of the shadow play in a one-to-one correspondence mode. One end of the supporting rod is arranged on the eccentric wheel, the rotation of the eccentric wheel is controlled through a program, and the other end of the supporting rod is connected with the moving part of the shadow puppet, so that the effect of motion of the shadow puppet is achieved. Although the joint movement of a character can be controlled in a figure character, the movement method is limited, and the character cannot be expressed vividly.
In addition, the shadow play role has complex manufacturing process, and if the precious manually manufactured shadow play role is used for long-term demonstration, the folk artworks are easy to damage, but the commonly manufactured shadow play role is rough, so that the exquisite demonstration effect is difficult to achieve, and the artistic charm of the shadow play is restored. Moreover, the role of shadow puppet is not expressive, but lacks rich expressive and infective abilities, such as: it is impossible to express subtle mental changes of characters such as eye changes, face changes, and the waving of clothes belts or stereoscopic light and shadow effects, etc.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a shadow play enhancement display method, which aims to solve the technical problem that the artistic charm of the shadow play cannot be vividly expressed in the prior art.
According to an embodiment of the present invention, the present invention provides a shadow play enhanced display method, including:
setting a plurality of movable blocks on the shadow play role;
presetting an augmented reality image matched with the movable block;
automatically controlling the movable block to obtain a pose matrix of the movable block;
and synchronously projecting the augmented reality image to the shadow puppet role according to the pose matrix.
According to an embodiment of the present invention, there is also provided a shadow play enhancing display device, the device comprising:
the movable blocks are used for assembling into a shadow play role;
an enhanced image presentation module: the augmented reality image matched with the movable block is preset;
an automation control module: the system is used for automatically controlling the movable block and obtaining a pose matrix of the movable block;
and the projection module is used for synchronously projecting the augmented reality image to the shadow puppet role according to the pose matrix.
According to an embodiment of the present invention, the present invention further provides a shadow play enhancement display system, which includes the shadow play enhancement display device.
According to an embodiment of the present invention, there is also provided a readable storage medium having stored thereon instructions which, when executed by a processor, implement the steps of the above-described method.
Compared with the prior art, the invention has the following beneficial effects:
in the technology of the present invention, the inventor finds that the existing automatic shadow play for exhibition is lack of vividness, shadow play role in expressiveness, also lack of abundant expressiveness and infectivity, because of the following problems: it is impossible to express subtle mental changes of characters such as eye changes, face changes, and the waving of clothes belts or stereoscopic light and shadow effects, etc.
In actual demonstration, the inventor finds that the shadow play character manufacturing process is complex, and if the precious hand-made shadow play character is used for long-term demonstration, the folk art work is easy to damage, but the general manufactured shadow play character is rough, so that the exquisite demonstration effect is difficult to achieve, and the artistic charm of the shadow play is restored.
The inventor synchronously projects the augmented reality image to the shadow play role, makes up the defects of the manufacturing process of the shadow play role for display, enables people to fully feel the artistic charm of the shadow play, attracts the interest of visitors to the traditional culture, and provides a new direction for the combination of the shadow play and the modern technology.
Drawings
FIG. 1 is a schematic flow chart of a shadow play enhancement display method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a shadow play enhancement display system according to an embodiment of the present invention;
the reference numbers illustrate: 1. an active block; 2. a servo motor; 3. and supporting the framework.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Moreover, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules explicitly listed, but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
In order to make the objects, technical solutions and beneficial effects of the present invention more clearly apparent, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 2, the present invention provides a shadow play enhanced display method, including:
setting a plurality of movable blocks 1 on the shadow play role; presetting an augmented reality image matched with the movable block 1; automatically controlling the movable block 1 to obtain the motion track of the movable block 1; and synchronously projecting the augmented reality image to the shadow puppet role according to the motion trail.
In the embodiment, the augmented reality image of the shadow play role is made by the augmented reality technology, and the method of digital modeling debugging after photographing can be adopted, and other methods can also be adopted; and then, an automatic control system is utilized to form control on the displayed shadow puppet, and the control and the tracking of the augmented reality image projection are synchronized, so that the effect of automatically enhancing the display of the shadow puppet is achieved.
Step S101, a plurality of active blocks are arranged on the shadow play role.
Optionally, a plurality of active blocks 1 are set on the shadow puppet character, and the active blocks are connected to an automation controller, including: the movable joints connected between the movable blocks 1 are controlled through the first driving module, and the movable joints drive the movable blocks 1 to rotate; the second driving module controls the screw rod to drive a supporting framework 3 system of the movable block 1, and the framework system drives the movable block 1 to move in a translation mode; the first driving module and the second driving module are controlled by the control module, so that the control module can automatically control the motion of the movable block 1.
In this embodiment, as shown in fig. 2, in terms of hardware implementation, the position movement in the horizontal and vertical directions is controlled by a shadow puppet character formed by the movable block 1 and a skeleton system connected with a lead screw, and the servo motor 2 installed at the movable joint drives the movable block 1 to rotate around the joint. An ATmega328P single chip microcomputer can be used as a core controller, an internal and external control communication interface of the single chip microcomputer is designed, signal bandwidth and driving current are reasonably distributed, a plurality of micro servo motors 2 are controlled and driven, and robot joint movement is achieved. The position of the screw rod moves. And a screw rod moving device parallel to the large shadow puppet screen is constructed, so that the shadow puppet robot can rapidly move along the directions of an x axis and a y axis (the maximum speed reaches 2 m/s). The controller drives the screw motor to realize the rapid movement and positioning of the positions of the multiple robots. In the aspect of implemented software, the C + + language can be used for programming programs in the IDE, the pulse width modulation signals are output through the control of the single chip microcomputer, the plurality of servo motors 2 are controlled, and a rich action resource library is established, so that the effect of accurately controlling the shadow play action is achieved. Secondly, IO communication ports are designed and distributed so as to realize orderly cooperative operation of a plurality of shadow shadows and peripheral equipment. And finally, compiling a script flow according to the story scene, performing action distribution, uploading the program to a control mainboard after debugging is finished, and controlling the participation unit to coordinate to work so as to perfectly show the shadow play. In addition, for subsequent augmented reality projection tracking, motion control is edited, and meanwhile, the motion trail of the movable block 1 can be modeled and simulated.
In this example, by using the limb length, the position of each motion joint, the correlation and the stress point arrangement of the shadow puppet character, the non-circular involute motion, the spiral motion and the saddle-shaped motion trail characteristics of the pose matrix of the motion block 1 are recorded, so that the subsequent augmented reality projection tracking becomes possible.
Through the lead screw and the miniature servo motor 2, the accurate control of the action of the shadow puppet robot and the physical display are realized. The universal skeleton for the shadow puppet roles is designed, the shadow puppet skin is arranged on the skeleton, the connection between joints is realized by the skeleton, and the abrasion of the joints of the shadow puppet objects is avoided. The skeleton can reasonably determine the arrangement positions and stress points of all joints according to the structural characteristics of the shadow play, is convenient for automatic control, has a reaction speed of millisecond level, is continuous and natural in action, is stable and free of shaking, and can fully show the action characteristics and the motion law of the shadow play. Meanwhile, the shadow puppet skin can be quickly disassembled and assembled conveniently, and the purpose of practical performance is achieved.
Through the screw rod and the micro servo motor 2, and the shadow puppet motion track curve fitting method based on the least square method, the fine control precision and the personification level of the shadow puppet are greatly improved. The method enables the ATmega328P singlechip to have more stable motion balance coordination capability, improves the track control precision and further improves the mechanical stable motion effect.
The existing shadow play motion control robot realizes motion control through a plurality of support rods which are connected with the movable parts of the shadow play in a one-to-one correspondence mode. One end of the supporting rod is arranged on the eccentric wheel, the rotation of the eccentric wheel is controlled through a program, and the other end of the supporting rod is connected with the moving part of the shadow puppet, so that the effect of motion of the shadow puppet is achieved. Although the joint movement of a character can be controlled in a figure character, the movement method is limited, and the character cannot be expressed vividly. The inventor makes the motion of shadow play characters more flexible through the lead screw and the miniature servo motor 2 directly arranged on the joint, but simultaneously, because the miniature servo motor of each joint is self-volume and routing, the shadow can be formed, if still just like traditional shadow play back projection, the shadow of motor and electric wire can be left on the curtain, the display effect is influenced, and here just because with the combination of augmented reality technology, augmented reality's projection is mended on the front of shadow play, just overcome this one because of improving and face technical problem.
And S102, presetting an augmented reality image matched with the movable block 1.
Optionally, the presetting of the augmented reality image matched with the active region includes:
acquiring a corresponding picture of the movable block; modeling according to the corresponding pictures; and rendering the corresponding picture modeling 3D engine animation special effect to obtain an augmented reality image.
In the embodiment, each activity block 1 forming the shadow play role is digitized by means of photographing or scanning and the like, each digitized activity block 1 is preset as a corresponding picture, a required 3D engine animation special effect is rendered by means of augmented reality, the corresponding picture modeling of each activity block 1 comprises the rendered picture and animation special effect, a rotation point corresponding to the activity block 1, a storage path, coordinates of a rotation shaft of the activity block 1 in a manufacturing area, relative coordinates of the rotation shaft of the activity block 1 in the picture, coordinates of the rotation point, a radius of a rotation area, coordinates of the rotation point after possible transformation, a rotation radius after transformation, heights and widths of the corresponding pictures of the activity block 1, a translation distance of the activity block 1 on an X axis and a translation distance of the activity block 1 on a Y axis; the rotation area refers to a circular area that can be covered according to the rotation corresponding to the active block 1.
Step S103, performing automatic control on the moving block to obtain a pose matrix of the moving block;
optionally, automatically controlling the moving block to obtain a pose matrix of the moving block, including:
automatically controlling the active blocks; obtaining the motion trail of the movable block according to automatic control;
and obtaining a pose matrix of the movable block according to the motion track of the movable block.
Optionally, the motion trajectory of the active block includes: a translational motion trajectory and at least one rotational motion trajectory around the corresponding rotational position.
As described in the above example S101, the right moving block 1 is divided into two moving modes, i.e. the up-down and left-right translational movement of the moving joint point and the rotation around the joint point, by the lead screw and the micro servo motor 2, in S102, when the moving block 1 is modeled, the corresponding rotation point, the storage path, the coordinates of the rotation axis of the moving block 1 in the creation area, the relative coordinates of the rotation axis of the moving block 1 in the picture, the coordinates of the rotation point, the radius of the rotation area, the coordinates of the rotation point after possible transformation, the radius of the rotation after transformation, the height and width of the corresponding picture of the moving block 1, the translational distance of the moving block 1 in the X axis and the translational distance of the moving block 1 in the Y axis are recorded respectively, and expressed by adjustable parameters, so that the image can be displaced according to the preset displacement, and then the displacement is projected to cover the moving block 1 of the real shadow role, the effect of enhancing the display is achieved.
Step S104, tracking the motion of the movable block 1, and synchronously projecting the augmented reality image to the shadow puppet role.
Optionally, projecting the augmented reality character image onto the shadow puppet character synchronously according to the motion trajectory, including: acquiring a current frame pose matrix and a next frame pose matrix of the moving block, and determining a position transformation mode of the augmented reality character image according to the current frame pose matrix and the next frame pose matrix; and synchronously projecting the augmented reality role image to the shadow puppet role according to the image position conversion mode.
Optionally, projecting the augmented reality role image onto the shadow puppet role synchronously according to the pose matrix, further comprising:
detecting whether the extended augmented reality role image effectively covers the shadow puppet role or not; when the coverage is effective, continuing projection; when the image is not effectively covered, acquiring the projection of the augmented reality role and the shadow puppet role deviation value; and automatically adjusting the projection position according to the deviation value until the projection position is effectively covered.
Optionally, the method further comprises: making background images of shadow play augmented reality;
and filtering the augmented reality background images at the position and posture matrixes of the movable blocks 1, and projecting the filtered augmented reality images onto the shadow play background.
In this embodiment, as described in the above example S101, the right moving block 1 is divided into two moving modes, i.e. the up-down and left-right translational movement of the moving joint point and the rotation around the joint point, by the lead screw and the micro servo motor 2, in S102, when the moving block 1 is modeled, the rotation point corresponding to the moving block 1, the storage path, the coordinates of the rotation axis of the moving block 1 in the creation area, the relative coordinates of the rotation axis of the moving block 1 in the picture, the coordinates of the rotation point, the radius of the rotation area, and the coordinates of the rotation point after possible transformation, the radius of the rotation after transformation, the height and width of the picture corresponding to the moving block 1, the translational distance of the moving block 1 in the X axis and the translational distance of the moving block 1 in the Y axis are recorded respectively, and are expressed by adjustable parameters, so as to make the image able to be displaced according to the preset displacement, the movement of the model can be synchronous with the movement of the shadow puppet role which is automatically controlled, and the displacement is projected and covered on the movable area 1 of the real shadow puppet role, so that the effect of enhancing the display is achieved. In order to enhance the synchronization rate, kalman filtering and other processing can be performed on the data.
And controlling each time interval according to the preset of an automatic control program, outputting a pose matrix of a corresponding picture model of the moving block of each frame at the corresponding time, and calculating a position transformation mode of moving the pose matrix of the current frame to the pose matrix of the next frame, such as a moving shortest path, according to the pose matrix of the current frame and the pose matrix of the next frame, so that the augmented reality character image is synchronously projected to the shadow cast character.
In order to detect that the overlay is not misplaced and the projection is ghosted, a detection device, such as a camera, can be further provided, the projection picture is captured, whether the projection is normal or not is automatically detected, if the projection is normal, the projection is continuously executed, and if the projection is not normally overlaid, the projection is continuously executed after automatic (as in the above example) or manual (when an error is automatically debugged). The data offset generated by correcting the synchronous data at any time can be ensured. In addition, besides the shadow play character role to produce the augmented reality image, the matched augmented reality shadow play background image can be produced, the image position of the shadow play character is calculated, the position covered by the image of the shadow play character is dynamically removed on the projected background image, and the augmented reality shadow play background image is projected on the shadow play curtain to enhance the background display of the shadow play.
Referring to fig. 1 to 2, the present invention provides a shadow play enhancing display device, comprising:
the movable blocks are used for assembling into a shadow play role;
an enhanced image presentation module: the augmented reality image matched with the movable block is preset;
an automation control module: the system is used for automatically controlling the movable block and obtaining a pose matrix of the movable block;
and the projection module is used for synchronously projecting the augmented reality image to the shadow puppet role according to the pose matrix.
Referring to fig. 1 to fig. 2, the present invention further provides a shadow play enhanced display system, which includes the shadow play enhanced display device.
Referring to fig. 1 to 2, a readable storage medium of the present invention, the readable storage medium having instructions stored thereon, is characterized in that: the method steps of S101-S104 described above are implemented when executed by a processor.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A shadow play enhanced display method is characterized by comprising the following steps:
setting a plurality of movable blocks on the shadow play role;
presetting an augmented reality image matched with the movable block;
automatically controlling the movable block to obtain a pose matrix of the movable block;
and synchronously projecting the augmented reality image to the shadow puppet role according to the pose matrix.
2. The shadow play enhanced display method of claim 1, wherein automatically controlling the motion block to obtain the pose matrix of the motion block comprises:
automatically controlling the active blocks;
obtaining the motion trail of the movable block according to automatic control;
and obtaining a pose matrix of the movable block according to the motion track of the movable block.
3. The shadow play enhanced display method of claim 2, wherein presetting the augmented reality image matched with the motion block comprises:
acquiring a corresponding picture of the movable block;
modeling according to the corresponding pictures;
and rendering the corresponding picture modeling 3D engine animation special effect to obtain an augmented reality image.
4. The shadow play enhanced presentation method of claim 2, wherein projecting the augmented reality image onto the shadow play character synchronously according to the pose matrix comprises:
acquiring a current frame pose matrix and a next frame pose matrix of the moving block,
determining a position transformation mode of the augmented reality image according to the pose matrix of the current frame and the pose matrix of the next frame;
and synchronously projecting the augmented reality image to the shadow puppet role according to the image position conversion mode.
5. The shadow play enhanced display method of claim 3, wherein the motion trail of the motion block comprises:
a translational motion trajectory and at least one rotational motion trajectory around the corresponding rotational position.
6. The shadow play enhanced presentation method of claim 1, wherein the augmented reality image is projected onto the shadow play character synchronously according to the pose matrix, further comprising:
detecting whether the extended augmented reality image effectively covers the shadow puppet role or not;
when the coverage is effective, continuing projection;
when the image is not effectively covered, acquiring the projection of the augmented reality image and the role deviation value of the shadow puppet;
and automatically adjusting the projection position according to the deviation value until the projection position is effectively covered.
7. The shadow play enhanced display method of claim 5, wherein said display method further comprises:
making background images of shadow play augmented reality;
and filtering the augmented reality background images at the position of the plurality of activity block pose matrixes, and projecting the filtered augmented reality images onto a shadow play background.
8. A shadow play enhancing display device, said device comprising:
the movable blocks are used for assembling into a shadow play role;
an enhanced image presentation module: the augmented reality image matched with the movable block is preset;
an automation control module: the system is used for automatically controlling the movable block and obtaining a pose matrix of the movable block;
and the projection module is used for synchronously projecting the augmented reality image to the shadow puppet role according to the pose matrix.
9. A shadow play enhanced display system comprising the shadow play enhanced display device of claim 8.
10. A readable storage medium having instructions stored thereon, characterized in that: when executed by a processor, implement the steps of the method of any one of claims 1 to 7.
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