Three-dimensional acquisition device based on portrait

Abstract

The utility model discloses a portrait three-dimensional acquisition device which comprises an acquisition seat, an inner acquisition plate is fixedly mounted on one side of the upper surface of the acquisition seat through a fixing shaft, a large bearing is sleeved outside the inner acquisition plate, an inner ring of the large bearing is fixedly connected with the inner acquisition plate, and a driving motor is fixedly mounted on the other side of the lower surface of the acquisition seat through bolts. An output shaft of the driving motor penetrates through the collecting seat and is fixedly connected with a driving wheel, the outer wall of the driving wheel is in contact connection with the side wall of an outer ring of the large bearing, a plurality of side stand columns which are circumferentially distributed at equal intervals are fixedly installed on the upper surface of the outer ring of the large bearing, and a longitudinal guide groove is formed in the inner wall of each side stand column; according to the three-dimensional acquisition device based on portraits, the motor drives the outer ring of the bearing to rotate, so that the acquisition camera can be driven to rotate in a full range of 360 degrees, and in actual use, the acquisition camera can be driven to rotate in the full range of 360 degrees, so that the acquisition camera can be driven to rotate in the full range of 360 degrees. And 360-degree panoramic surrounding type three-dimensional acquisition work of the portrait can be completed.

Description

Technical Field

[0001] The utility model relates to the technical field of three-dimensional acquisition equipment, in particular to a three-dimensional acquisition device based on human portraits. Background Art

[0002] In recent years, the field of computer vision has developed rapidly. Traditional portrait recognition algorithms based on two-dimensional images are all aimed at frontal portraits. When the pitch angle, lighting, posture, makeup and age of the two-dimensional image change, the performance of the two-dimensional portrait recognition algorithm will be significantly reduced, and recognition failure often occurs. With the development of science and technology, it is becoming more and more feasible to obtain three-dimensional data. At the same time, because three-dimensional portraits are insensitive to lighting and posture, three-dimensional portrait information has begun to attract more and more researchers' attention.

[0003] The existing three-dimensional portrait acquisition system generally adopts a single-row camera for data acquisition. The single-row camera needs to be manually operated by hand during the acquisition work. This manual hand-held acquisition process requires a lot of physical strength of the acquisition personnel. At the same time, the acquisition effect is low. Shaking is prone to occur during the acquisition process, which affects the accuracy of data acquisition. There are certain data errors and poor practicality. Therefore, the utility model proposes a three-dimensional acquisition device based on portrait. Utility Model Content

[0004] The purpose of the utility model is to provide a three-dimensional acquisition device based on human portrait to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: based on a three-dimensional portrait acquisition device, it includes an acquisition seat, an inner acquisition plate is fixedly installed on one side of the upper surface of the acquisition seat through a fixed shaft, a large bearing is sleeved on the outside of the inner acquisition plate, the inner ring of the large bearing is fixedly connected to the inner acquisition plate, a driving motor is fixedly installed on the other side of the lower surface of the acquisition seat through bolts, the output shaft of the driving motor passes through the acquisition seat and is fixedly connected to a driving wheel, the outer wall of the driving wheel is in contact with the outer ring side wall of the large bearing, a plurality of circumferentially evenly spaced side columns are fixedly installed on the upper surface of the outer ring of the large bearing, a longitudinal guide groove is opened on the inner wall of each of the side columns, a threaded rod is rotatably installed in the guide groove through a bearing, a threaded member is sleeved on the outside of the threaded rod, and the threaded member is threadedly connected to the threaded rod.

[0006] Preferably, a mounting plate is fixedly mounted on the front outer wall of the threaded member, and a collection camera is fixedly mounted on the outer surface of the mounting plate.

[0007] Preferably, an upper top plate is fixedly installed between the top ends of the plurality of side columns.

[0008] Preferably, a servo motor is fixedly mounted on the top of each side column and located on the upper surface of the top plate by bolts, and the output shaft of the servo motor passes through the top plate and the side column and is fixedly connected to the top of the threaded rod.

[0009] Preferably, a lower base is provided below the collection seat, and the collection seat and the lower base are fixedly connected via a plurality of support columns which are linearly distributed at equal intervals.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The three-dimensional portrait acquisition device of the utility model drives the outer ring of the bearing to rotate by a motor, thereby driving the acquisition camera to rotate in a full range of 360°. In actual use, the 360° panoramic surround three-dimensional acquisition of the portrait can be completed, and each acquisition camera can be moved up and down by a corresponding threaded drive structure, so as to complete the automatic full-body portrait acquisition of the person being acquired. The performance is good and the use effect of automatic acquisition is achieved. By cooperating with the 360° panoramic surround three-dimensional acquisition technology effect, the automatic acquisition of the whole body and portrait of the person being acquired can be completed automatically.

[0012] Moreover, the threaded drive structures of each group of acquisition cameras are independent of each other and have the characteristics of independent drive. The cameras do not interfere with each other and can perform up and down cycle staggered full-body portrait acquisition during 360° panoramic rotation. It has good performance and does not require manual hand-holding throughout the process. It has an automated three-dimensional portrait acquisition effect, a comprehensive and standardized acquisition range, and high acquisition efficiency. It can effectively avoid data errors caused by shaking during the acquisition process and increase the accuracy of portrait acquisition. It has high practicality and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the collection device of an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the bottom structure of the collection seat of an embodiment of the utility model when viewed from above;

[0015] Figure 3 This is a schematic diagram of the overall external structure of the side column of an embodiment of the utility model;

[0016] Figure 4 For the utility model embodiment Figure 3 Schematic diagram of the enlarged structure of area A.

[0017] In the figure: 1. Collection seat; 2. Large bearing; 3. Inner collection plate; 4. Driving motor; 5. Driving wheel; 6. Side column; 7. Guide groove; 8. Threaded rod; 9. Threaded part; 10. Mounting plate; 11. Collection camera; 12. Upper top plate; 13. Servo motor; 14. Lower base; 15. Support column. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 The utility model provides an embodiment: a three-dimensional portrait acquisition device, comprising an acquisition seat 1, an inner acquisition plate 3 is fixedly installed on one side of the upper surface of the acquisition seat 1 through a fixed axis, and when the inner acquisition plate 3 is actually used, the person being acquired can stand at the center of the inner acquisition plate 3, so as to facilitate the subsequent portrait acquisition work;

[0022] A large bearing 2 is sleeved on the outside of the inner collection plate 3, and the inner ring of the large bearing 2 is fixedly connected to the inner collection plate 3. A driving motor 4 is fixedly installed on the other side of the lower surface of the collection seat 1 by bolts. The output shaft of the driving motor 4 penetrates the collection seat 1 and is fixedly connected to a driving wheel 5. The outer wall of the driving wheel 5 contacts the outer ring side wall of the large bearing 2.

[0023] This structural design can work through the drive motor 4, which drives the drive wheel 5 to rotate slowly through its output shaft. Since the outer wall of the drive wheel 5 is in contact with the outer ring side wall of the large bearing 2, when the drive wheel 5 rotates, it will synchronously drive the outer ring of the large bearing 2 to rotate, thereby providing rotation conditions for subsequent 360° panoramic portrait acquisition;

[0024] Further, as an optimization solution of the utility model, in order to prevent slipping between the driving wheel 5 and the large bearing 2 during actual use, the utility model can provide three optimized implementation methods, which are specifically referred to as follows:

[0025] 1. Adaptive surrounding gear teeth are arranged on the outside of the driving wheel 5 and the large bearing 2. The gear teeth of the driving wheel 5 and the large bearing 2 are meshed and connected with each other, which is the same as the transmission structure of the driving gear and the driven gear, so as to effectively avoid slipping between the wheel bodies and improve the accuracy of synchronous rotation;

[0026] 2. Leave a distance between the driving wheel 5 and the large bearing 2. The driving wheel 5 and the large bearing 2 are connected by a tensioning belt. At this time, the transmission mode of the tensioning belt can effectively avoid slipping;

[0027] 3. Anti-skid silicone sleeves are provided on the outside of the driving wheel 5 and the large bearing 2, and the two sets of anti-skid silicone sleeves are in contact with each other, thereby achieving the technical purpose of avoiding slipping by increasing friction;

[0028] During specific use, the actual implementation method can select one of the above three methods according to actual use requirements, so as to improve the accuracy of synchronous rotation and improve the use effect of the structure.

[0029] A number of circumferentially evenly spaced side columns 6 are fixedly mounted on the upper surface of the outer ring of the large bearing 2. A longitudinal guide groove 7 is provided on the inner wall of each side column 6. A threaded rod 8 is rotatably installed in the guide groove 7 through the bearing. A threaded member 9 is sleeved on the outside of the threaded rod 8. The threaded member 9 is threadedly connected to the threaded rod 8.

[0030] Furthermore, a mounting plate 10 is fixedly mounted on the front outer wall of the threaded member 9, and a collection camera 11 is fixedly mounted on the outer surface of the mounting plate 10, and the collection camera 11 can be used to perform three-dimensional collection of the portrait;

[0031] At the same time, during specific implementation, the acquisition camera 11 can also be replaced by a acquisition video camera to meet different usage requirements.

[0032] In this embodiment, in order to improve the structural integrity and aesthetics of the collection device, an upper top plate 12 is fixedly installed between the top ends of a plurality of side posts 6;

[0033] Furthermore, in order to provide independent rotational power to each threaded rod 8, a servo motor 13 is fixedly installed on the top of each side column 6 and located on the upper surface of the upper top plate 12 by bolts, and the output shaft of the servo motor 13 passes through the upper top plate 12 and the side column 6 and is fixedly connected to the top of the threaded rod 8;

[0034] This structural design can drive the threaded rod 8 at its bottom end to rotate through the servo motor 13. When the threaded rod 8 rotates, the threaded member 9 threaded thereon will move up and down (this effect depends on the forward and reverse rotation of the servo motor 13). The movement of the threaded member 9 drives the collection camera 11 thereon to move up and down, thereby completing the full-body portrait collection of the person being collected. It has good performance and the effect of automated collection.

[0035] In this embodiment, in order to improve the bottom stability of the three-dimensional acquisition device, a lower base 14 is provided below the acquisition seat 1 , and the acquisition seat 1 and the lower base 14 are fixedly connected by a plurality of support columns 15 which are linearly distributed at equal intervals.

[0036] Working principle: Before collecting, several collection cameras 11 are electrically connected to the 3D portrait collection system, and the collection of portraits and data entry are completed through the collection cameras 11 and the 3D portrait collection system;

[0037] When it is necessary to perform three-dimensional acquisition of a human portrait, the person being acquired can enter the center of the inner acquisition board 3 and be kept in a standing position;

[0038] At this time, the plurality of collection cameras 11 can be used for work (the number of collection cameras 11 can be dynamically increased or decreased according to actual use needs. When the number is reduced, it is only necessary to remove the camera on the corresponding mounting plate 10. When the number is increased, it is necessary to increase the number of structural assemblies of the side columns 6. Please refer to the attached manual for details). Figure 1 It is understood that: the original four side columns 6 are increased to five side columns 6, and the side columns 6 are evenly spaced and distributed in a circle), and the three-dimensional collection of the portrait of the person being collected can be performed through the set collection camera 11;

[0039] At the same time, when it is necessary to perform a full-surround 360° panoramic acquisition of a portrait, the drive motor 4 can be set to work. The drive motor 4 drives the drive wheel 5 to rotate slowly through its output shaft. Since the outer wall of the drive wheel 5 is in contact with the outer ring side wall of the large bearing 2, when the drive wheel 5 rotates, it will synchronously drive the outer ring of the large bearing 2 to rotate, so that the outer ring of the large bearing 2 rotates and drives the acquisition camera 11 on the side column 6 to rotate 360° in the full range, thereby completing the 360° panoramic surround three-dimensional acquisition of the portrait;

[0040] The servo motor 13 can drive the threaded rod 8 at its bottom end to rotate. When the threaded rod 8 rotates, the threaded member 9 threaded thereon will move up and down (this effect depends on the forward and reverse rotation of the servo motor 13). The movement of the threaded member 9 drives the acquisition camera 11 thereon to move up and down. In actual use, the full-body portrait acquisition of the person being acquired can be completed. The performance is good and the use effect of automated acquisition is achieved. By cooperating with the 360° panoramic surround three-dimensional acquisition technology effect, the full-body automated acquisition of the person being acquired can be automatically completed.

[0041] The three-dimensional portrait acquisition device of the utility model drives the outer ring of the bearing to rotate by a motor, thereby driving the acquisition camera to rotate in a full range of 360°. In actual use, the 360° panoramic surround three-dimensional acquisition of the portrait can be completed, and each acquisition camera can be moved up and down by a corresponding threaded drive structure, so as to complete the automatic full-body portrait acquisition of the person being acquired. The performance is good and the use effect of automatic acquisition is achieved. By cooperating with the 360° panoramic surround three-dimensional acquisition technology effect, the automatic acquisition of the whole body and portrait of the person being acquired can be completed automatically.

[0042] Moreover, the threaded drive structures of each group of acquisition cameras are independent of each other and have the characteristics of independent drive. The cameras do not interfere with each other and can perform up and down cycle staggered full-body portrait acquisition during 360° panoramic rotation. It has good performance and does not require manual hand-holding throughout the process. It has an automated three-dimensional portrait acquisition effect, a comprehensive and standardized acquisition range, and high acquisition efficiency. It can effectively avoid data errors caused by shaking during the acquisition process and increase the accuracy of portrait acquisition. It has high practicality and good use effect.

[0043] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A three-dimensional portrait acquisition device, comprising an acquisition seat (1), characterized in that: An inner collecting plate (3) is fixedly mounted on one side of the upper surface of the collecting seat (1) via a fixed shaft, a large bearing (2) is sleeved on the outer side of the inner collecting plate (3), the inner ring of the large bearing (2) is fixedly connected to the inner collecting plate (3), a driving motor (4) is fixedly mounted on the other side of the lower surface of the collecting seat (1) via bolts, the output shaft of the driving motor (4) passes through the collecting seat (1) and is fixedly connected to a driving wheel (5), the outer wall of the driving wheel (5) contacts the side wall of the outer ring of the large bearing (2), a plurality of circumferentially evenly spaced side columns (6) are fixedly mounted on the upper surface of the outer ring of the large bearing (2), a longitudinal guide groove (7) is provided on the inner wall of each of the lateral columns (6), a threaded rod (8) is rotatably mounted in the guide groove (7) via a bearing, a threaded member (9) is sleeved on the outer side of the threaded rod (8), and the threaded member (9) is threadedly connected to the threaded rod (8).

2. The three-dimensional image acquisition device according to claim 1, characterized in that: A mounting plate (10) is fixedly mounted on the front outer wall of the threaded member (9), and a collection camera (11) is fixedly mounted on the outer surface of the mounting plate (10).

3. The three-dimensional image acquisition device according to claim 1, characterized in that: An upper top plate (12) is fixedly installed between the top ends of the plurality of side posts (6).

4. The three-dimensional image acquisition device according to claim 1, characterized in that: A servo motor (13) is fixedly mounted on the top of each side column (6) and located on the upper surface of the upper top plate (12) by means of bolts, and an output shaft of the servo motor (13) passes through the upper top plate (12) and the side column (6) and is fixedly connected to the top of the threaded rod (8).

5. The three-dimensional acquisition device based on human portrait according to claim 1, characterized in that: A lower base (14) is arranged below the collection seat (1), and the collection seat (1) and the lower base (14) are fixedly connected via a plurality of support columns (15) which are linearly distributed at equal intervals.

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