CN112015041A - Auxiliary device for object surface data acquisition and shooting method - Google Patents
Auxiliary device for object surface data acquisition and shooting method Download PDFInfo
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- CN112015041A CN112015041A CN202010916590.8A CN202010916590A CN112015041A CN 112015041 A CN112015041 A CN 112015041A CN 202010916590 A CN202010916590 A CN 202010916590A CN 112015041 A CN112015041 A CN 112015041A
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- 238000009434 installation Methods 0.000 claims description 5
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/02—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with scanning movement of lens or cameras
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Abstract
The invention discloses an auxiliary device for collecting data on the surface of an object, which comprises a base rail, a rotating frame and a fixed frame, wherein the base rail is a circular ring rail supported on the ground, the rotating frame is rotatably arranged on the base rail, the fixed frame is arranged on the rotating frame and surrounds the outer side of a shot object by 180 degrees, and a light source fixed point and a holder are respectively arranged on the fixed frame, so that a light source and a camera arranged on the fixed frame surround the shot object and form single-array or multi-array shooting. The invention also discloses a shooting method, wherein the shot object is placed in the center of the base rail, and the three-dimensional data of the shot object is collected after the camera and the lamp strip are adjusted. The invention can stably acquire accurate and complete position information, color information and other characteristics of the surface of the object by utilizing the rotation of the fixing frame without causing any movement of the object to be shot and through single-array or multi-array shooting setting, improves the accuracy of the reconstruction of the three-dimensional model of the object to be shot, and has simple structure and convenient operation.
Description
Technical Field
The embodiment of the invention relates to the technical field of internet digital display, in particular to an auxiliary device for object surface data acquisition and a shooting method.
Background
In the process of propagandizing and popularizing the product, the merchant adopts digital three-dimensional display, which is a means capable of displaying the product on the internet in all directions. The digital three-dimensional display of the product is carried out on the premise that the surface of the product is subjected to data acquisition, a model is constructed and surface treatment is carried out according to the acquired data, the model is reduced into a three-dimensional digital model which is very similar to the original appearance characteristic, and the product is popularized and displayed on the Internet. The method has an important role in the literature and literature industries, and after the appearance of the cultural relic is digitized, a three-dimensional digital model which can be used for collection, research, display and other purposes is formed, so that the method has important significance for the protection, research and appreciation of the cultural relic. The on-line museum is built on the basis of a rich collection database of the museum, introduces various aspects of collections, exhibitions, histories and the like of the museum to the world people by means of the medium of the Internet, is not only a propaganda, but also a display and a novel humanistic care. Has the advantages of convenient use, wide application field and the like. The online museum is built on the basis of a rich collection database of the museum, introduces various aspects of collections, exhibitions, histories and the like of the museum to the world through the medium of the Internet, not only is a publicity, but also is a display, and is a novel humanistic care.
The surface data acquisition of products and cultural relics usually acquires accurate and complete position information, color information and other characteristics of the surface of an object according to a group of clear images of the surface of the object, which are shot from a plurality of angles, and digitally reconstructs the surface of the products and the cultural relics according to the information and the characteristics to display the size, the shape, the color and the characteristics of the object in the form of a three-dimensional model. At present, a large amount of manpower and material resources are required to be invested for correctly acquiring the surface information of the object, and on one hand, the full-array acquisition equipment is utilized, although the acquired information quality is higher, the reconstruction requirement can be met, the equipment price is high, and the comprehensive popularization is not facilitated. On the other hand, the manual acquisition requires simple equipment, but has high requirements on experience values of operators, low information acquisition quality and large workload, and even the process of model building and surface treatment cannot be completed because the data does not meet the requirements. In addition, once the position or shape of the object is changed in the acquisition process, the surface position is inconsistent, and the reconstruction cannot be accurately completed.
Disclosure of Invention
Therefore, the embodiment of the invention provides an auxiliary device for object surface data acquisition and a shooting method, so as to solve the problem of difficulty in object surface data acquisition in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of embodiments of the present invention, an auxiliary device for object surface data acquisition comprises:
the base rail is a circular ring rail supported on the ground, and supporting legs for supporting the base rail away from the bottom surface are arranged at the bottom of the base rail, so that a collecting area for placing a shot object is formed in the middle in the ring of the base rail;
the rotating frame is rotatably arranged on the base rail, and a rotating scale mark for marking the rotating angle of the rotating frame is arranged on the base rail;
the mount, the mount is installed on the swivel mount to be 180 degrees centers on in the outside of shooing the object, set up the light source fixed point that is no less than one on the mount to and be no less than a cloud platform that is used for installing the camera, make the light source of mount and camera around shooing the object, shoot the setting with constituting single array or many arrays, and under the effect of swivel mount, use the perpendicular axle center of shooing the object as the pivot, use the distance of shooing the perpendicular axle center of object as the radius, can do the circular motion of horizontal direction.
Further, the swivel mount is the semi-circular frame of level setting in the base rail outside to the level is equipped with a plurality of connecting rods between swivel mount and base rail, the one end of connecting rod is fixed on the swivel mount, and other end sliding connection makes the swivel mount be 180 degrees around shooing the object on the base rail, wherein, the connecting rod is the telescopic link, and installs the universal wheel on the bottom surface of swivel mount.
Furthermore, the fixed frame comprises a plurality of vertical columns and a plurality of connecting beams which are transversely arranged, the bottom ends of the vertical columns are detachably connected to the frame wall of the rotating frame, the vertical columns are distributed along the semicircular outline of the rotating frame, light source fixing points are distributed on the vertical columns, the connecting beams are detachably connected between two adjacent vertical columns, the vertical columns and the connecting beams are both curved bars, the vertical columns and the connecting beams form a semi-cage-shaped structure with the conical top, the fixed frame surrounds a shot object by 180 degrees, an elastic buckle is arranged between the rotating frame and the base rail, a groove for the elastic buckle to be matched and embedded is arranged on the rail surface of the base rail, the elastic buckle is fixedly connected to the bottom surface of the rotating frame, a groove is arranged on the rail surface of the base rail corresponding to the positions of the vertical columns, and after the rotating frame rotates for each angle, forming an angle stuck.
Further, the cloud platform is installed on the stand of mount, and a plurality of cloud platforms are vertically along being equidistance distribution on same root stand, wherein, is equipped with the cloud platform scale mark of mark cloud platform position along vertically on the stand in the middle of the mount.
Furthermore, a plurality of lamp belts are arranged on the fixing frame and longitudinally arranged on the stand column, so that the lamp belts surround the shot object at 180 degrees, and the distance between the lamp belts and the vertical axis of the shot object is equal, wherein one end of each lamp belt is fixed on the stand column, and the other end of each lamp belt is fixed on the rotating frame and is communicated with the power supply.
Further, the upright post comprises a vertical section and an inclined section at the top, so that the lamp strip on the inclined section is arranged in a conical shape with the inclination of 40-50 degrees.
Furthermore, the lamp strip is a strip-shaped structure formed by splicing a plurality of sub-strips end to end in the longitudinal direction, the sub-strips are fixed on the stand column according to the light source fixing points, elastic contacts for connecting circuits with adjacent sub-strips are respectively arranged at the top end and the bottom end of each sub-strip, and lamp source scale marks for marking the installation positions of the lamp strip are longitudinally arranged on the stand column.
Further, the swivel mount sets up the ring frame in base rail top for the level, and the bottom of swivel mount rotates through the bearing and connects on the base rail to be equipped with the platform that supplies to shoot the object and place in the top of swivel mount, the platform passes the swivel mount and is connected with the base, and is formed with the clearance between platform and the swivel mount, install step motor on the base rail, the rigid coupling has the gear on step motor's the output shaft to be equipped with on the bearing with gear engagement's tooth structure, the mount is installed on the wherein semicircular frame wall of swivel mount to install the water box that is used for the counter weight on the other semicircular frame wall of swivel mount.
According to a second aspect of the embodiments of the present invention, a shooting method using the auxiliary device of the embodiments includes the following steps:
s1, placing the shot object in the base rail, moving the base rail to adjust, completely placing the shot object in the center of the base rail, and setting a background with single obvious color tone;
s2, mounting at least one cradle head on the upright post in the middle of the fixing frame at equal intervals along the longitudinal direction, fixing the camera through the cradle head according to the state of the shooting object, and adjusting the shooting direction and the shooting angle of the camera;
s3, mounting lamp belts or lamps according to the preset light source fixing points on the fixing frame, enabling the lamp belts to surround the shot object in a 180-degree mode, enabling at least one lamp belt to be irradiated by positive light, enabling at least one lamp belt to be irradiated by positive left side, enabling at least one lamp belt to be irradiated by positive right side, and enabling part of at least one lamp belt to be irradiated by top light;
and S4, after the shooting equipment is fixed, shooting the shot object, taking the vertical axis of the shot object as a rotating shaft, taking the distance from the vertical axis of the shot object as a radius, and acquiring the three-dimensional data of the shot object in real time by manually or automatically rotating the fixing frame.
The embodiment of the invention has the following advantages: by arranging the base rail, the rotating frame and the fixing frame, a shot object is placed at the center of the base rail, at least one light source fixing point and at least one holder are arranged on the fixing frame to form single-array or multi-array shooting arrangement, the light source and the camera surround the shot object by utilizing the structure of the fixing frame, the fixing frame is fixed on the rotating frame, and the rotating frame is connected on the base rail in a sliding way, so that the fixing frame can do horizontal circular motion by taking the vertical axis of the shot object as a rotating shaft and the distance from the vertical axis of the shot object as a radius, and the rotation of the fixing frame is ensured not to cause any movement of the shot object, thereby being capable of stably obtaining accurate and complete position information, color information and other characteristics of the surface of the object according to a group of clear images shot from multiple angles on the surface of the object, and improving the accuracy of the reconstruction of a three-dimensional model of the shot, the structure is simple and the operation is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic overall structure diagram of an auxiliary device for object surface data acquisition according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of a rotating frame of an auxiliary device for object surface data acquisition according to an embodiment of the present invention;
fig. 3 is a schematic view of a mounting structure of a light strip of an auxiliary device for collecting data on a surface of an object according to an embodiment of the present invention.
In the figure: 1. a base rail; 11. supporting legs; 2. a rotating frame; 21. a connecting rod; 22. a universal wheel; 3. a fixed mount; 31. a column; 32. a connecting beam; 4. a holder; 5. a light strip; 51. and an elastic contact.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an auxiliary device for collecting data on a surface of an object, including a base rail 1, a rotating frame 2, and a fixing frame 3, which are specifically configured as follows:
the base rail 1 is a circular rail supported on the ground, and a plurality of supporting legs 11 for supporting the base rail 1 from the bottom surface are arranged at the bottom of the base rail 1, so that a collection area for placing a shot object is formed in the middle of the inside of the ring of the base rail 1. Preferably, the reference diameter of the base rail 1 is greater than 50cm, and at least two of the plurality of supporting feet 11 have a conventional mechanical structure with adjustable height, so as to adjust the horizontal height of the base rail 1, and the supporting feet 11 contacting with the ground can be stretched towards the outside of the base rail 1 by the conventional mechanical structure, so as to increase the stability.
2 swivelling joints of swivel mount on base rail 1, it is concrete, swivel mount 2 sets up the semi-circular frame in the base rail 1 outside for the level to the level is equipped with a plurality of connecting rods 21 between swivel mount 2 and base rail 1, the one end of connecting rod 21 is fixed on swivel mount 2, other end sliding connection is on base rail 1, make swivel mount 2 be 180 degrees around shooing the object, and follow base rail 1 through manual drive swivel mount 2, do the rotation of being no less than 330 degrees in the horizontal direction. Wherein, connecting rod 21 is the telescopic link to adjust the swivel mount 2 apart from the distance of shooing the object, and install universal wheel 22 on the bottom surface of swivel mount 2, thereby form the support to swivel mount 2 by universal wheel 22, and ensure that swivel mount 2 rotates steadily. Preferably, a rotation scale mark for marking the rotation angle of the rotating frame 2 is provided on the base rail 1 to accurately mark the rotation angle of the rotating frame 2. Mount 3 installs on swivel mount 2, including the stand 31 of a plurality of vertical settings and the tie-beam 32 of a plurality of horizontal settings, the connection can be dismantled on the frame wall of swivel mount 2 to the bottom of stand 31, and a plurality of stands 31 distribute along the semi-circular profile of swivel mount 2, make the light source fixed point distribute on stand 31, tie-beam 32 can dismantle the connection between two adjacent stands 31, stability after with reinforcing a plurality of stands 31 installation, and stand 31 and tie-beam 32 are the curved bar, it is conical half cage structure to make mount 3 be a plurality of stands 31 and a plurality of tie-beam 32 constitution top, thereby make mount 3 be 180 degrees around the outside of shooing the object, wherein, stand 31 includes the bending section at vertical section and top. At least one light source fixing point and at least one cloud platform 4 for installing a camera are arranged on the fixed frame 3, the lamp or the lamp strip 5 is installed on the light source fixing point, the camera is installed on the cloud platform 4 to form a single-array or multi-array shooting device, so that the light source and the camera installed on the fixed frame 3 surround a shot object, and circular motion in the horizontal direction is performed by taking the vertical axis of the shot object as a rotating shaft and the distance from the vertical axis of the shot object as a radius under the action of the rotating frame 2, and the position information, the color information and other characteristics of the surface of the shot object are acquired. Preferably, a plurality of stand columns 31 are arranged on the rotating frame 2 at an angle of 22.5 degrees, an elastic buckle is arranged between the rotating frame 2 and the base rail 1, a groove for the elastic buckle to be matched and embedded is formed in the rail surface of the base rail 1, the elastic buckle is fixedly connected to the bottom surface of the rotating frame 2, a groove is formed in the position corresponding to the stand columns 31 on the rail surface of the base rail 1, and the rotating frame 2 can be clamped and stirred at an angle of 22.5 degrees when rotating, so that the rotating frame can be stopped accurately.
As described above, the holders 4 are mounted on the column 31 of the fixed frame 3, and the plurality of holders 4 are distributed on the same column 31 at equal intervals along the longitudinal direction, and the column 31 in the middle of the fixed frame 3 is provided with the holder scale marks for marking the positions of the holders 4 along the longitudinal direction, preferably, the holders 4 are mounted on the column 31 in the middle of the fixed frame 3. The number of the cloud platforms 4 is preferably seven, the camera can be conveniently mounted and dismounted by combining the conventional cloud platforms 4, the stability of the camera relative to the fixed frame 3 is kept, and the angle of the camera can be adjusted. Meanwhile, a plurality of lamps or lamp strips 5 are arranged on the fixed frame 3, the lamp strips 5 are longitudinally arranged on the upright post 31, one ends of the lamp strips 5 are fixed on the upright post 31, the other ends of the lamp strips 5 are fixed on the rotating frame 2 and are communicated with the power supply device, so that the lamp strips 5 are ensured to surround a shot object at 180 degrees in the horizontal direction, and the distance between the lamp strips 5 and the vertical axis of the shot object is equal, preferably nine strips in the maximum number of the lamp strips 5. The lamp strip 5 is a strip-shaped structure formed by splicing a plurality of sub-strips end to end along the longitudinal direction, the sub-strips are fixed on the upright post 31 according to light source fixing points, and elastic contacts 51 (refer to fig. 3) which are connected with adjacent sub-strips are respectively arranged at the top end and the bottom end of each sub-strip, so that after the sub-strips are spliced, a power supply device is automatically connected, and power supply for the spliced lamp strip 5 is ensured. In addition, the upright column 31 comprises a vertical section and a top inclined section, so that the lamp strip 5 on the top inclined section of the fixed frame 3 is arranged in a conical shape with the inclination of 40-50 degrees. Preferably, for keeping lamp area 5 stable, can be between lamp area 5 and lamp area 5, between lamp area 5 and mount 3, install its stability of horizontal fixed establishment reinforcing to still be equipped with the lamp source scale mark of mark lamp area 5 mounted position along vertically on stand 31.
The embodiment of the invention arranges the base rail 1, the rotating frame 2 and the fixing frame 3, places the shot object at the center of the base rail 1, arranges at least one light source fixing point and the pan-tilt 4 on the fixing frame 3 to form single-array or multi-array shooting arrangement, uses the structure of the fixing frame 3 to lead the light source and the camera to surround the shot object, and fixes the fixing frame 3 on the rotating frame 2 to lead the rotating frame 2 to be connected on the base rail 1 in a sliding way, thus leading the fixing frame 3 to be capable of doing circular motion in the horizontal direction by taking the vertical axis of the shot object as a rotating shaft and the distance from the vertical axis of the shot object as a radius, ensuring that the rotation of the fixing frame 3 does not lead the shot object to any movement, thereby being capable of stably obtaining accurate and complete position information of the object surface according to a group of clear images shot from a plurality of angles on the object surface, Color information and other characteristics, and improves the accuracy of the reconstruction of the three-dimensional model of the shot object, and the three-dimensional model of the shot object has simple structure and convenient operation.
Example 2
The difference from embodiment 1 is that the auxiliary device of this embodiment is applied to a lamp field, specifically, the rotating frame 2 is a circular frame horizontally disposed above the base rail 1, and the bottom of the rotating frame 2 is rotatably connected to the base rail 1 through a bearing, so that the rotating frame 2 can smoothly rotate by not less than 180 ° along the horizontal direction through the bearing. Be equipped with the platform that supplies to shoot the object and place in the top of swivel mount 2, the platform passes swivel mount 2 and is connected with the base, and is formed with the clearance between platform and the swivel mount 2, makes platform and base rail 1 be connected, with swivel mount 2 contactless to ensure that the rotation of swivel mount 2 can not lead to shooting the object and have any removal, preferred, the reference height of platform apart from ground is not more than 20 cm. Install step motor on base rail 1, the rigid coupling has the gear on step motor's the output shaft, and be equipped with the tooth structure with gear engagement on the bearing, thereby it is rotatory on base rail 1 to drive swivel mount 2 through step motor, and then the rotation of automatic control mount 3, thereby when manual rotation, separate step motor's gear and the tooth of bearing, manual every rotation swivel mount 2 to certain angle, there is angle card to mix the sense, can accurately stop on 22.5, and manual rotatory angle is between 0 to 360, and when manual conversion is automatic, get into the autogiration mode and move the back, accessible chip control step motor automatically gets into initial angle.
As described above, the fixed frame 3 is installed on one of the semicircular frame walls of the rotating frame 2, and the water box for weight balancing is installed on the other semicircular frame wall of the rotating frame 2, and the water box is fixed on the rotating frame 2 by a detachable structure.
Example 3
The embodiment of the invention provides a shooting method, which adopts the auxiliary device of the embodiment 1 or the embodiment 2 and comprises the following steps:
s1, placing the shot object in the base rail 1, moving the base rail 1 for adjustment, completely placing the shot object in the center of the base rail 1, and setting a background with single obvious color tone;
s2, installing at least one cradle head 4 on the upright post 31 in the middle of the fixed mount 3 at equal distance along the longitudinal direction, fixing the camera through the cradle head 4 according to the state of the shooting object, and adjusting the shooting direction and angle of the camera;
s3, mounting the lamps strips 5 or lamps according to the light source fixing points preset on the fixing frame 3, making the lamps strips 5 surround the object to be shot at 180 degrees, and making at least one lamp or one lamp strip 5 be irradiated by the positive light, at least one lamp or one lamp strip 5 being irradiated by the positive left side, at least one lamp or one lamp strip 5 being irradiated by the positive right side, and at least one lamp or one lamp strip 5 being irradiated by the top light;
s4, after the shooting device is fixed, shooting the shot object, taking the vertical axis of the shot object as a rotating shaft, taking the distance from the vertical axis of the shot object as a radius, and acquiring the three-dimensional data of the shot object in real time by manually or automatically rotating the fixed frame 3.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. An auxiliary device for object surface data acquisition, characterized in that the auxiliary device for object surface data acquisition comprises:
the base rail (1) is a circular ring rail supported on the ground, and supporting legs (11) for supporting the base rail (1) from the bottom surface are arranged at the bottom of the base rail (1), so that a collection area for placing a shot object is formed in the middle of the inside of the ring of the base rail (1);
the rotating frame (2) is rotatably arranged on the base rail (1), and a rotating scale mark for marking the rotating angle of the rotating frame (2) is arranged on the base rail (1);
mount (3), mount (3) are installed on swivel mount (2) to be 180 degrees around the outside of shooing the object, the light source fixed point that is no less than one is set up on mount (3), and be no less than cloud platform (4) that are used for installing the camera, shoot the setting with constituting single array or many arrays, make the light source and the camera of installation around shooing the object on mount (3), and under the effect of swivel mount (2), use the perpendicular axle center of shooing the object as the pivot, use the distance of shooting the perpendicular axle center of object as the radius, can do the circular motion of horizontal direction.
2. An auxiliary device for object surface data acquisition according to claim 1, characterized in that: the revolving rack (2) is a semicircular frame horizontally arranged on the outer side of the base rail (1), a plurality of connecting rods (21) are horizontally arranged between the revolving rack (2) and the base rail (1), one ends of the connecting rods (21) are fixed on the revolving rack (2), the other ends of the connecting rods are connected to the base rail (1) in a sliding mode, the revolving rack (2) is made to be 180 degrees around a shot object, the connecting rods (21) are telescopic rods, and universal wheels (22) are installed on the bottom surface of the revolving rack (2).
3. An auxiliary device for object surface data acquisition according to claim 2, characterized in that: the fixing frame (3) comprises a plurality of vertically arranged stand columns (31) and a plurality of transversely arranged connecting beams (32), the bottom ends of the stand columns (31) are detachably connected to the frame wall of the rotating frame (2), the stand columns (31) are distributed along the semicircular outline of the rotating frame (2), so that light source fixing points are distributed on the stand columns (31), the connecting beams (32) are detachably connected between two adjacent stand columns (31), the stand columns (31) and the connecting beams (32) are bent rods, the top parts of the stand columns (31) and the connecting beams (32) form a conical half cage-shaped structure, the fixing frame (3) is 180 degrees around a shot object, elastic buckles are arranged between the rotating frame (2) and the base rail (1), grooves for the elastic buckles to be matched and embedded are formed in the rail surface of the base rail (1), and the elastic buckles are fixedly connected to the bottom surface of the rotating frame (2), and a groove is arranged on the rail surface of the base rail (1) corresponding to the positions of the plurality of upright posts (31), so that an angle is formed after the rotating frame (2) rotates for one angle.
4. An auxiliary device for object surface data acquisition according to claim 3, characterized in that: the cloud platform (4) are installed on the stand (31) of mount (3), and a plurality of cloud platforms (4) are vertically along being equidistance distribution on same stand (31), wherein, be equipped with the cloud platform scale mark of mark cloud platform (4) position on stand (31) in the middle of mount (3) along vertically.
5. An auxiliary device for object surface data acquisition according to claim 3, characterized in that: the lamp strip comprises a fixing frame (3), wherein a plurality of lamp strips (5) are arranged on the fixing frame (3), the lamp strips (5) are longitudinally arranged on a stand column (31), the lamp strips (5) are 180 degrees around a shot object, the distance between the lamp strips (5) and the vertical axis of the shot object is equal, one end of each lamp strip (5) is fixed on the stand column (31), and the other end of each lamp strip is fixed on a rotating frame (2) and is communicated with a power supply.
6. An auxiliary device for object surface data acquisition according to claim 5, characterized in that: the upright post (31) comprises a vertical section and an inclined section at the top, so that the lamp strip (5) on the inclined section is arranged in a conical shape with the inclination of 40-50 degrees.
7. An auxiliary device for object surface data acquisition according to claim 5, characterized in that: the lamp strip (5) is a strip-shaped structure formed by splicing a plurality of sub-strips end to end in the longitudinal direction, the sub-strips are fixed on the upright post (31) according to light source fixing points, elastic contacts (51) communicated with adjacent sub-strips are respectively arranged at the top end and the bottom end of each sub-strip, and lamp source scale marks for marking the installation positions of the lamp strip (5) are longitudinally arranged on the upright post (31).
8. An auxiliary device for object surface data acquisition according to claim 1, characterized in that: the revolving rack (2) is a circular frame horizontally arranged above the base rail (1), the bottom of the revolving rack (2) is connected to the base rail (1) in a rotating mode through a bearing, a platform for shooting objects is arranged above the revolving rack (2), the platform penetrates through the revolving rack (2) to be connected with a base, a gap is formed between the platform and the revolving rack (2), a stepping motor is installed on the base rail (1), a gear is fixedly connected to an output shaft of the stepping motor and is provided with a tooth structure meshed with the gear on the bearing, the fixing rack (3) is installed on a semi-circular rack wall of the revolving rack (2), and a water box used for balancing weight is installed on the other semi-circular rack wall of the revolving rack (2).
9. A photographing method using the auxiliary device for object surface data acquisition of any one of claims 1-8, wherein the photographing method comprises the following steps:
s1, placing the shot object in the base rail (1), moving the base rail (1) for adjustment, completely placing the shot object in the center of the base rail (1), and setting a background with single obvious color tone;
s2, installing at least one cradle head (4) on the upright post (31) in the middle of the fixed frame (3) at equal distance along the longitudinal direction, fixing the camera through the cradle head (4) according to the state of the object to be shot, and adjusting the shooting direction and the shooting angle of the camera;
s3, mounting lamp belts (5) or lamps according to a light source fixing point preset on the fixing frame (3), enabling the lamp belts (5) to surround a shot object at 180 degrees, enabling at least one lamp belt (5) to be irradiated by positive light, enabling at least one lamp belt (5) to be irradiated by positive left side, enabling at least one lamp belt (5) to be irradiated by positive right side light, and enabling a part of at least one lamp belt (5) to be irradiated by top light;
s4, after the shooting device is fixed, shooting the shot object, taking the vertical axis of the shot object as a rotating shaft, taking the distance from the vertical axis of the shot object as a radius, and acquiring the three-dimensional data of the shot object in real time by manually or automatically rotating the fixing frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916590.8A CN112015041A (en) | 2020-09-03 | 2020-09-03 | Auxiliary device for object surface data acquisition and shooting method |
Applications Claiming Priority (1)
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