阅读说明：本技术 一种运用倾斜摄影的人工三维精细建模设备 (Artificial three-dimensional fine modeling equipment applying oblique photography ) 是由 蒙曦 于 2021-03-24 设计创作，主要内容包括：本发明属于舞蹈教学技术领域,尤其是涉及一种运用倾斜摄影的人工三维精细建模设备,包括固定座和围绕固定座设置的环形底座,所述环形底座的上方设有顶板,所述环形底座与顶板之间固定连接有多根支撑杆,所述环形底座的下表面安装有四个万向轮,所述固定座的底部安装有支撑腿,所述固定座的上方设有舞蹈平台,所述舞蹈平台的下表面呈向下拱起的锥形设置,且所述舞蹈平台下表面的中心凸起处通过万向轴承与固定座转动连接。本发明可使环形底座随舞蹈教师舞动时的步伐移动,通过从一个垂直摄像机和四个倾斜摄像机,对人体进行五个不同的视角同步影像采集,便于反映人体动作、姿态和高精度纹理信息,提高了教学质量。(The invention belongs to the technical field of dance teaching, and particularly relates to artificial three-dimensional fine modeling equipment applying oblique photography. The invention can make the annular base move along with the steps of dance teachers during dance, and five different visual angle synchronous image acquisition is carried out on the human body through the vertical camera and the four inclined cameras, thereby being convenient for reflecting the motion, the posture and the high-precision texture information of the human body and improving the teaching quality.)

1. An artificial three-dimensional fine modeling device applying oblique photography comprises a fixed seat (1) and an annular base (2) arranged around the fixed seat (1), it is characterized in that a top plate (3) is arranged above the annular base (2), a plurality of support rods (21) are fixedly connected between the annular base (2) and the top plate (3), four universal wheels (22) are arranged on the lower surface of the annular base (2), supporting legs (11) are arranged at the bottom of the fixed seat (1), a dance platform (4) is arranged above the fixed seat (1), the lower surface of the dance platform (4) is arranged in a downward arched conical shape, and the central bulge of the lower surface of the dance platform (4) is rotationally connected with the fixed seat (1) through a universal bearing, the fixed seat (1) is connected with the annular base (2) through a gravity center detection mechanism (5);

a rotating motor (31) is arranged on the upper surface of the top plate (3), a turntable (32) is rotatably connected to the lower surface of the top plate (3), the rotating motor (31) is rotationally connected with the rotating disc (32) through a speed reducing mechanism (6), the lower surface of the turntable (32) is fixedly connected with a lifting plate (34) through an electric telescopic rod (33), the side wall of the lifting plate (34) is fixedly connected with a plurality of camera devices (7) through connecting rods, the plurality of camera devices (7) are arranged in an annular array by taking the center of the annular base (2) as the circle center, the upper surface of the top plate (3) is provided with a control module (8) and a data acquisition server (9), rotating electrical machines (31) and electric telescopic handle (33) all are connected with control module (8) electricity, and are a plurality of camera device (7) all are connected with data acquisition server (9).

2. The apparatus of claim 1, wherein the three-dimensional image data is obtained by performing a three-dimensional image analysis, the gravity center detection mechanism (5) comprises a plurality of sliding chutes (51) which are arranged in the fixed seat (1) in an annular array, a sliding block (52) horizontally slides in the sliding groove (51), the sliding block (52) is fixedly connected with the side wall of the sliding groove (51) through a corrugated pipe (53), a push rod (54) is fixedly connected on the side wall of the slide block (52), a plurality of air bags (55) corresponding to the sliding grooves (51) are fixed between the dance platform (4) and the fixed seat (1), the air bag (55) is communicated with the corrugated pipe (53) through an air duct (56), an annular groove (57) is arranged on the side wall of the inner ring of the annular base (2), a plurality of limiting blocks (58) are arranged in the annular groove (57) in a sliding mode, and the push rods (54) extend into the annular groove (57) and are connected with the limiting blocks (58) in a rotating mode.

3. The apparatus for artificial three-dimensional fine modeling using oblique photography according to claim 1, wherein the reduction mechanism (6) comprises a cavity disposed in the top plate (3), the output shaft of the rotating motor (31) extends into the cavity and is fixedly connected with a driving gear (61), the upper surface of the turntable (32) is fixedly connected with a reduction gear (62), and the reduction gear (62) is meshed with the driving gear (61).

4. The apparatus for artificial three-dimensional fine modeling using oblique photography according to claim 1, wherein the camera device (7) comprises a vertical camera (71) and four oblique cameras (72), the four oblique cameras (72) are arranged in an annular array around the vertical camera (71), and an angle between a shooting direction of the oblique cameras (72) and a shooting direction of the vertical camera (71) is 30 °.

5. The artificial three-dimensional fine modeling device using oblique photography according to claim 1, wherein a plurality of LED fill-in lamps (23) are arranged on the side wall of the support rod (21) at equal intervals.

Technical Field

The invention belongs to the technical field of dance teaching, and particularly relates to artificial three-dimensional fine modeling equipment using oblique photography.

Background

Along with the development of VR virtual interaction technology, people also become more and more extensive to VR virtual interaction technology's application, in dance teaching field, the dance teacher often uses the mode of artifical three-dimensional modeling to carry out video dance teaching, has improved teaching efficiency greatly, has made things convenient for dance fan's study.

Most of the existing artificial three-dimensional modeling devices are divided into two types: 1. one is that a dance teacher enters a studio, data acquisition is carried out through a camera or other scanning equipment, and a three-dimensional model of a human body is obtained after processing, the shooting angle and direction of the camera are single and fixed in the mode, high-resolution textures of all angles of the human body are difficult to effectively obtain, and the motion, posture and high-precision texture information of the human body cannot be truly reflected, so that a student cannot learn standard dance motion requirements, specifications and standards, the teaching quality is reduced, the space in the studio is limited, and the dance teacher needs to frequently move steps when performing dance motion display, so that the human body cannot be guaranteed to be always positioned in the center of the camera, and the dance range is also limited by the space; 2. the other kind is through a plurality of unmanned aerial vehicles around human circumference flight to shoot with the mode that the human body kept static relatively, though the seizure of dance action gesture has been made things convenient for to this kind of mode, but the cost is higher, and dangerous great, and unmanned aerial vehicle is when encircleing the flight, and the dance teacher easily leads to colliding with the unmanned aerial vehicle wing because of frequently stretching limbs or moving step, causes the injury.

To this end, we propose an artificial three-dimensional fine modeling apparatus using oblique photography to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an artificial three-dimensional fine modeling device which is good in modeling effect, low in cost and high in safety performance and applies oblique photography, aiming at the problems of poor modeling effect, high cost and low safety.

In order to achieve the purpose, the invention adopts the following technical scheme: an artificial three-dimensional fine modeling device applying oblique photography comprises a fixed seat and an annular base arranged around the fixed seat, wherein a top plate is arranged above the annular base, a plurality of support rods are fixedly connected between the annular base and the top plate, four universal wheels are arranged on the lower surface of the annular base, support legs are arranged at the bottom of the fixed seat, a dance platform is arranged above the fixed seat, the lower surface of the dance platform is arranged in a downward-arched conical shape, a central bulge of the lower surface of the dance platform is rotatably connected with the fixed seat through universal bearings, and the fixed seat is connected with the annular base through a gravity center detection mechanism;

the utility model discloses a camera device, including roof, camera device, electric telescopic handle, camera module, control module group, data acquisition server, last surface mounting of roof has the rotating electrical machines, the lower surface of roof rotates and is connected with the carousel, the rotating electrical machines passes through reduction gears and is connected with the carousel rotation, the lower surface of carousel passes through electric telescopic handle fixedly connected with lifter plate, a plurality of camera device of connecting rod fixedly connected with are passed through to the lateral wall of lifter plate, and is a plurality of camera device uses the center of annular base to be the annular array as the centre of a circle and arranges, the upper surface of roof is equipped with control module group and data acquisition server, rotating electrical machines and electric telescopic handle all are connected with control module group electricity, and are a plurality of camera device all is connected with data acquisition server.

Preferably, focus detection mechanism includes that a plurality of annular arrays that are set up the spout in the fixing base, horizontal slip has the slider in the spout, the lateral wall fixed connection that the slider passes through bellows and spout, fixedly connected with push rod on the lateral wall of slider, be fixed with a plurality of gasbags that correspond with the spout between dance platform and the fixing base, the gasbag passes through the air duct intercommunication with the bellows, the ring channel has been seted up on the inner circle lateral wall of annular base, it has polylith stopper, many to slide in the ring channel the push rod all extends to in the ring channel and rotates with the stopper and be connected.

Preferably, reduction gears is including setting up the cavity in the roof, the output shaft of rotating electrical machines extends to in the cavity and fixedly connected with drive gear, the last fixed surface of carousel is connected with reduction gears, reduction gears and drive gear meshing.

Preferably, the camera device comprises a vertical camera and four inclined cameras, the four inclined cameras are arranged around the vertical camera in an annular array, and an included angle between the shooting direction of the inclined cameras and the shooting direction of the vertical camera is 30 degrees.

Preferably, a plurality of LED light filling lamps are arranged on the side wall of the supporting rod at equal intervals.

Compared with the prior art, the artificial three-dimensional fine modeling equipment applying oblique photography has the advantages that:

1. according to the dance teacher moving device, the gravity center detection mechanism is arranged, when a dance teacher moves steps as required by dance movement, the dance teacher moves towards one direction in the dance platform, the gravity center of the dance platform shifts, the air bag close to the direction is compressed under the action of gravity, air in the air bag enters the corrugated pipe through the air guide pipe to push the sliding block to move, then the annular base is pushed by the push rod to move towards the direction in which the dance teacher moves, namely the relative rest between the camera device and the dance teacher is guaranteed, the dance postures and movements of the dance teacher can be captured in detail without using a mode that a plurality of unmanned aerial vehicles fly around, the equipment cost is reduced, the problem that limbs of the dance teacher collide with the camera device when moving is avoided, and the safety performance is improved.

2. According to the invention, by arranging the camera device, five different visual angle synchronous image acquisition is carried out on the human body from the vertical camera and the four inclined cameras, so that high-resolution textures of each angle of the human body can be obtained, the motion, posture and high-precision texture information of the human body can be reflected really, a student can observe standard dance motion key, specification and standard, and the teaching quality is greatly improved.

3. According to the dance teacher height adjusting device, the electric telescopic rod is arranged, the height of the camera shooting device can be adjusted according to the height of a dance teacher, the shooting angle of the camera shooting device can be adjusted conveniently, the application range is wide, and the flexibility is high.

Drawings

FIG. 1 is a schematic structural diagram of an artificial three-dimensional fine modeling apparatus using oblique photography according to the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic top view of a ring base of an artificial three-dimensional fine modeling apparatus using oblique photography according to the present invention;

FIG. 4 is a top view of an internal structure of a fixing base in an artificial three-dimensional fine modeling apparatus using oblique photography according to the present invention;

FIG. 5 is a schematic structural diagram of a relatively static state in an artificial three-dimensional fine modeling apparatus using oblique photography according to the present invention;

FIG. 6 is a schematic structural diagram of an image capturing device in an artificial three-dimensional fine modeling apparatus using oblique photography according to the present invention.

In the figure, 1 fixed seat, 11 supporting legs, 2 annular base, 21 supporting rods, 22 universal wheels, 23LED light supplement lamps, 3 top plates, 31 rotating motors, 32 turntables, 33 electric telescopic rods, 34 lifting plates, 4 dance platforms, 5 gravity center detection mechanisms, 51 sliding chutes, 52 sliding blocks, 53 corrugated pipes, 54 push rods, 55 air bags, 56 air guide pipes, 57 annular grooves, 58 limiting blocks, 6 speed reduction mechanisms, 61 driving gears, 62 speed reduction gears, 7 camera devices, 71 vertical cameras, 72 inclined cameras, 8 control modules and 9 data acquisition servers.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-4, an artificial three-dimensional fine modeling device using oblique photography comprises a fixed seat 1 and an annular base 2 arranged around the fixed seat 1, and is characterized in that a top plate 3 is arranged above the annular base 2, a plurality of support rods 21 are fixedly connected between the annular base 2 and the top plate 3, a plurality of LED light supplement lamps 23 are arranged on the side walls of the support rods 21 at equal intervals, and four universal wheels 22 are arranged on the lower surface of the annular base 2.

In the invention, the bottom of a fixed seat 1 is provided with a supporting leg 11, a dance platform 4 is arranged above the fixed seat 1, the lower surface of the dance platform 4 is arranged in a downward arched conical shape, a central bulge part of the lower surface of the dance platform 4 is rotatably connected with the fixed seat 1 through a universal bearing, the fixed seat 1 is connected with an annular base 2 through a gravity center detection mechanism 5, the gravity center detection mechanism 5 comprises a plurality of chutes 51 which are arranged in the fixed seat 1 in an annular array, a slide block 52 is arranged in the chutes 51 in a horizontal sliding manner, the slide block 52 is fixedly connected with the side wall of the chute 51 through a corrugated pipe 53, push rods 54 are fixedly connected with the side wall of the slide block 52, a plurality of air bags 55 corresponding to the chutes 51 are fixed between the dance platform 4 and the fixed seat 1, the air bags 55 are communicated with the corrugated pipe 53 through air guide pipes 56, and annular grooves 57 are arranged on the side wall of the inner ring of the annular base 2, a plurality of limit blocks 58 are arranged in the annular groove 57 in a sliding manner, and the push rods 54 extend into the annular groove 57 and are rotatably connected with the limit blocks 58.

In the invention, the rotating motor 31 is mounted on the upper surface of the top plate 3, the model of the rotating motor 31 is ACSM110-G04030LZ, the turntable 32 is rotatably connected to the lower surface of the top plate 3, the rotating motor 31 is rotatably connected with the turntable 32 through the speed reducing mechanism 6, the speed reducing mechanism 6 comprises a cavity arranged in the top plate 3, an output shaft of the rotating motor 31 extends into the cavity and is fixedly connected with the driving gear 61, the speed reducing gear 62 is fixedly connected to the upper surface of the turntable 32, and the speed reducing gear 62 is meshed with the driving gear 61.

In the invention, the lower surface of the rotary table 32 is fixedly connected with a lifting plate 34 through an electric telescopic rod 33, the model of the electric telescopic rod 33 is XTL100, the side wall of the lifting plate 34 is fixedly connected with a plurality of cameras 7 through a connecting rod, each camera 7 comprises a vertical camera 71 and four inclined cameras 72, the model of the vertical camera 61 is FT-U236, the model of the inclined camera 62 is HJ-AHD2001, the four inclined cameras 72 are arranged around the vertical camera 71 in an annular array, an included angle between the shooting direction of the inclined cameras 72 and the shooting direction of the vertical camera 71 is 30 degrees, and the plurality of cameras 7 are arranged in an annular array by taking the center of the annular base 2 as a circle center.

In the invention, the upper surface of the top plate 3 is provided with a control module 8 and a data acquisition server 9, the rotating motor 31 and the electric telescopic rod 33 are both electrically connected with the control module 8, and the plurality of camera devices 7 are both connected with the data acquisition server 9.

The working principle of the invention is as follows: dance teacher gets into in annular base 2, and stand the center department on dance platform 4, according to dance teacher's height, it is flexible to start electric telescopic handle 33 through control module group 8, adjust camera device 7 to suitable high back, start rotating electrical machines 31, through the transmission between drive gear 61 and the reduction gear 62, it rotates to drive carousel 32, then drive a plurality of camera device 7 and rotate around dance teacher, carry out all-round shooting to the human body, data acquisition server 9 gathers data among camera device 7 and packs and uploads to the high in the clouds and carries out three-dimensional reconstruction processing.

The camera device 7 acquires five different visual angle synchronous images of the human body from a vertical camera 71 and four oblique cameras 72, can acquire high-resolution textures of the human body at all angles, is convenient for truly reflecting the motion, posture and high-precision texture information of the human body, is beneficial for a student to observe standard dance motion key, specification and standard, and greatly improves the teaching quality.

When moving the step because of dance action needs, the dance teacher moves towards a direction in dance platform 4, the focus of dance platform 4 takes place the skew, under the action of gravity, will be close to the gasbag 55 compression of this direction, gas in the gasbag 55 gets into in bellows 53 by air duct 56, promote slider 52 and remove, then promote the direction motion that annular base 2 removed to the dance teacher through push rod 54, guarantee promptly that it is relatively static between camera device 7 and the dance teacher, need not to use the mode that a plurality of unmanned aerial vehicles encircle the flight, can catch dance teacher's dance gesture and action in detail, equipment cost is reduced, the limbs of dance teacher has been avoided simultaneously when removing the problem that collides with camera device 7, and safety performance is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.