WO2020052435A1 - 一种用于图像采集的支架、图像采集系统及方法 - Google Patents

一种用于图像采集的支架、图像采集系统及方法 Download PDF

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Publication number
WO2020052435A1
WO2020052435A1 PCT/CN2019/103008 CN2019103008W WO2020052435A1 WO 2020052435 A1 WO2020052435 A1 WO 2020052435A1 CN 2019103008 W CN2019103008 W CN 2019103008W WO 2020052435 A1 WO2020052435 A1 WO 2020052435A1
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WO
WIPO (PCT)
Prior art keywords
image acquisition
hole
cross arm
cross
object table
Prior art date
Application number
PCT/CN2019/103008
Other languages
English (en)
French (fr)
Inventor
朱皓
童俊艳
任烨
Original Assignee
杭州海康威视数字技术股份有限公司
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Publication of WO2020052435A1 publication Critical patent/WO2020052435A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/2092—Undercarriages with or without wheels comprising means allowing depth adjustment, i.e. forward-backward translation of the head relatively to the undercarriage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28—Undercarriages for supports with one single telescoping pillar
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/021—Locking means for rotational movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement
    • F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/068—Arms being part of the undercarriage

Definitions

  • the present application relates to the field of image acquisition technology, and in particular, to a bracket, an image acquisition system, and a method for image acquisition.
  • the image can be collected from multiple directions and angles of the item, for example, image collection from multiple directions from 1-360 degrees.
  • the related image acquisition system usually includes an arc-shaped bracket, and several cameras are arranged on the arc-shaped bracket, and all the cameras are distributed along the radial-shaped bracket.
  • the image acquisition system of this structure because the bracket is curved, is blocked by the bracket above the object being photographed, and the camera position on it is fixed. It is only suitable for image acquisition of relatively fixed size objects, not suitable for different sizes. Image acquisition of objects.
  • embodiments of the present application provide a bracket and a system for image acquisition, which are convenient for image acquisition of items of different sizes.
  • an embodiment of the present application provides a bracket for image acquisition, including: a base, a vertical post provided on the base, a cross arm on the post, and the cross arm in The position on the upright is adjustable; a camera mounting portion is provided at a first end of the cross arm.
  • a first through hole is opened on the column in a height direction of the column, and the number of the first through holes is two or more, and the first through holes are more than two.
  • the number of the cross arms is two or more, and each of the cross arms passes through a first through hole.
  • the first through hole is a rectangular through hole
  • the cross section of the cross arm is concave or rounded
  • the width and height of the cross arm are respectively different from those of the cross arm.
  • the width and height of the rectangular through hole are respectively consistent; or, the first through hole is a trapezoidal through hole, the cross section of the cross arm is trapezoidal, and the cross section size of the cross arm is the same as that of the trapezoidal through hole.
  • the cross-sectional sizes are consistent; or, the first through-holes are triangular through-holes, the cross-section of the cross-arm is triangular, and the cross-sectional size of the cross-arm is consistent with the cross-sectional size of the triangular through-hole.
  • a position of the cross arm on the upright post is movable and adjustable in a horizontal direction along a length direction of the cross arm.
  • the post is provided with a first locking mechanism;
  • the first locking mechanism includes: a first screw hole opened on a side wall of the first through hole, A first screw is provided in the first screw hole, and the first screw projects into an end of the first screw hole and presses against the cross arm; or the first locking mechanism includes : A first pin hole opened on the side wall of the first through hole, and a second pin hole opened on the cross arm, the second pin hole is plural, and the The longitudinal direction is arranged at intervals; a first pin is provided in the first pin hole, and the first pin extends into an end of the first pin hole and is inserted through a first pin on the cross arm In the second pin hole.
  • the camera mounting portion includes a notch opened at a first end of the cross arm, a camera mount provided at the notch, and the cross arm Second screw holes respectively opened on two side walls of the first end of the camera; wherein, the camera base includes a camera mounting plate and wing plates at both ends of the camera mounting plate; and a third screw is provided on the wing plate.
  • the third screw hole corresponds to the second screw hole, and a second screw is passed through the third screw hole and the second screw hole.
  • a second through-hole is opened in the column; the number of the second through-holes is two or more, and the two or more second through-holes are arranged up and down, and, The second through holes are alternately and spaced from the first through holes.
  • the first end of the cross arm is connected with more than two arms, and the two or more arms are in the same horizontal plane, and the ends of each arm Each has a camera mounting section.
  • an embodiment of the present application provides an image acquisition system, including: an object table, an image acquisition device, and a control device; the object table is a rotatable object table for placing items to be photographed; and the image acquisition device For acquiring images on the object table according to a control command of the control device; wherein the image acquisition device includes the bracket according to any one of the foregoing implementation manners, and a camera is installed in the camera mounting portion
  • the control device is used to control the rotation of the object table, and control the image acquisition device to perform image acquisition on the objects on the object table.
  • control device is specifically configured to control the rotation of the object table, and determine whether the preset sampling period is reached according to the rotation angle or the rotation time of the object table.
  • the image acquisition device is controlled to perform image acquisition on the objects on the object table; and the images collected by the image acquisition device are labeled according to the current angle information of the object table.
  • an embodiment of the present application provides an image information collection method, including: controlling the rotation of the object table; judging whether the preset sample period is reached according to the rotation angle or the rotation time of the object table; if the preset sample period is reached , Then control the image acquisition device to perform image acquisition on the objects on the object table; mark the images collected by the image acquisition device according to the current angle information of the object table, wherein the image acquisition device includes the aforementioned first Any one of the brackets provided.
  • an embodiment of the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores a computer program, and the computer program implements the foregoing steps of the image information collection method when executed by a processor.
  • an embodiment of the present application provides a computer program, where the computer program is configured to execute the foregoing steps of the image information collection method when running.
  • a bracket and a system for image acquisition are provided. Since the pillar provided on the base is vertically arranged, there is no fixed blocking structure above the side of the pillar, that is, directly above the article to be photographed, and The position of the cross arm on the upright is adjustable, so it is convenient to adapt to the shooting requirements of different item sizes, and it is convenient to collect images of items of different sizes.
  • FIG. 1 is a schematic structural diagram of a bracket for image acquisition according to an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of a base and a column in FIG. 1;
  • FIG. 3 is a schematic view of a cross-arm structure in FIG. 1;
  • FIG. 4 is a schematic structural diagram of a camera mount according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a cross arm provided by another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an image information acquisition system according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of an image information collection method according to an embodiment of the present application.
  • this embodiment provides a bracket for image acquisition, which facilitates image acquisition of items of different sizes.
  • a bracket 1 for image acquisition in this embodiment includes a base 2, a vertical post 3 is provided on the base 2, and a cross arm 4 is provided on the post 3.
  • the cross arm 4 is adjustable on the upright 3; a camera mounting portion 5 is provided at the first end of the cross arm 4, and a camera 6 can be mounted on the camera mounting portion 5;
  • the first end is the end of the cross arm near the item to be imaged, and the item to be imaged can be placed on a rotatable table.
  • the camera can perform image acquisition on the articles on the object table. Since the pillars are vertically arranged in this embodiment, there is no fixed blocking structure above the side of the pillars, that is, directly above the item to be photographed, and the position of the cross arm on it is adjustable, thereby facilitating the image of items of different sizes. Collection, especially in the height direction, is convenient to meet the shooting requirements of objects with higher heights.
  • a first through hole 7 is opened on the column along the height direction of the column, and the number of the first through holes 7 is Two or more, two or more first through holes 7 are arranged one above the other, for example, two or more first through holes 7 may extend along the height direction of the column, and be aligned up and down; the number of the cross arms 4 is two or more , Two or more cross arms 4 are arranged in an up-and-down manner, and each cross arm is correspondingly arranged in a first through hole 7, and each cross arm 4 can be telescopically adjustable in the first through hole 7, that is, each Each cross arm 4 can be moved in the first through hole 7 to change the position of the cross arm 4 relative to the first through hole 7 so that the camera 6 provided at the first end of the cross arm 4 is located at a suitable shooting position.
  • more than two transverse arms 4 may be in the same vertical plane.
  • the first through hole 7 is a rectangular through hole
  • the cross section of the cross arm 4 is concave
  • the width and height of the cross arm 4 are respectively different from those of the cross arm 4.
  • the width and height of the rectangular through hole are consistent.
  • the column 3 can provide stable and reliable support for the cross arm, so that the cross arm can be telescopically adjusted with respect to the column, and avoid the rotation of the cross arm with respect to the column, so as to facilitate stable shooting Clear image.
  • the groove 41 of the cross-arm with a concave cross section can be used as a cable routing channel of the camera, which facilitates the arrangement of the cables of the camera.
  • the first through hole 7 may also be a through hole of other shapes.
  • the first through hole 7 is a rectangular through hole
  • the cross section of the cross arm 4 is a zigzag
  • the width and height of the cross arm 4 are respectively the same as those of the rectangular through hole. The width and height are consistent. In this way, the column can also provide stable and reliable support for the cross arm.
  • the cross-shaped cross-shaped cross-arm, the through-hole at the inner center position can be used as the camera's routing channel, making the camera's cable arrangement more concealed.
  • the first through hole 7 is a trapezoidal through hole
  • the cross section of the cross arm 4 is trapezoidal.
  • the cross section of the cross arm is the same as the cross section of the trapezoidal through hole. Consistently, in this way, the column can also provide stable and reliable support for the cross arm, so that the cross arm can be telescopically adjusted with respect to the column, and avoid rotation of the cross arm with respect to the column, in order to capture stable and clear images.
  • the first through hole 7 is a triangular through hole
  • the cross section of the cross arm 4 is triangular
  • the cross section of the cross arm is the same as the size of the cross section of the triangular through hole. Agree.
  • the column can also provide stable and reliable support for the cross arm, so that the cross arm can be moved and adjusted relative to the column, and avoid the rotation of the cross arm relative to the column, in order to capture stable and clear images.
  • the position of the cross arm 4 on the upright 3 can be adjusted in a horizontal direction along the length direction of the cross arm 4 so that the camera is in a proper shooting position.
  • the post is provided with a first locking mechanism.
  • the first locking mechanism may include a first screw hole 7 a opened on a side wall of the first through hole 7.
  • a first screw 8 is provided in the hole 7a, and the first screw 8 extends into an end of the first screw hole 7a and is pressed against the cross arm 4.
  • the arm is positioned on the column to prevent the beam from being displaced relative to the column, and the beam cannot be inserted or pulled out.
  • the first locking mechanism is not limited to the above structural form.
  • the first locking mechanism may include: a first pin hole opened on a side wall of the first through hole, And a second pin hole formed on the cross arm, the second pin holes are multiple, and are arranged at intervals along the length of the cross arm; a first pin is provided in the first pin hole A shaft, the first pin extends into an end of the first pin hole, and is inserted into one of the second pin holes of the plurality of second pin holes on the cross arm, and passes through the first The pin can position the cross arm on the upright post to prevent the position of the cross beam from shifting relative to the upright post.
  • the length of the transverse arm 4 itself can be lengthened or shortened as required.
  • a scale can be added to the cross arm 4 to identify the position of the cross arm 4 relative to the column.
  • the height of the column 3 can be adjusted as required.
  • the upright 3 is a highly retractable upright to meet the shooting requirements of articles with a larger height.
  • the camera mounting portion 5 at the first end of the cross arm 4 may include a notch 10 opened at the first end of the cross arm.
  • the camera mount 9 provided at the slot 10 and the second screw holes 4a respectively opened on the two side walls of the first end of the cross arm 4 shown in FIG. 3.
  • the camera mount 9 includes a camera mounting plate 11 and wings 12 located at both ends of the camera mounting plate, and the camera can be fixed on the camera mounting plate 11.
  • the wing plate 12 is provided with a third screw hole 12a, and the third screw hole 12a corresponds to the position of the second screw hole 4a shown in FIG.
  • a second screw 13 as shown in FIG. 1 is passed through the hole 4a. Loosing the second screw can rotate the camera mounting plate to adjust the shooting angle of the camera mounted on it, and tightening the second screw can fix the position of the camera mounting plate.
  • the camera base and the wing plate may be connected to two opposite side walls of the first end of the cross arm by a second screw.
  • the camera base can also be rotated around the second screw, and the rotation of the camera base can be adjusted by adjusting the tightness of the screw, so as to change the camera shooting angle.
  • the embodiment of the present application is not limited to this, and the camera base can also be engaged with the first end of the cross arm by a buckle.
  • the notch provided at the first end of the cross arm provides an advantageous avoidance space for the rotation adjustment of the camera base, and can make the rotation range of the camera base relatively large to meet the requirements of different shooting angles.
  • a second through hole 14 is formed in the column.
  • the second through-holes 14 and the first through-holes 7 may be disposed correspondingly up and down.
  • the number of the second through-holes 14 may be multiple, and the second through-holes 14 may be alternately spaced up and down from the first through-holes 7 in the height direction of the column.
  • the shape of the second through hole 14 may be circular or other shapes, which is not specifically limited in the embodiment of the present application.
  • the first end of the cross arm 4 may be connected to more than two arms, and the two or more arms are at the same horizontal plane. Inside, there is a camera mounting section at the end of each arm, and each camera mounting section can be equipped with a camera. In this way, images of objects can be collected from different directions at the same time in the same horizontal plane, which can provide Efficiency of image acquisition.
  • three support arms are connected to the first end of the transverse arm 4, which are a support arm A, a support arm B, and a support arm C, respectively. These three support arms are all in the same horizontal plane.
  • this embodiment provides an image acquisition system, which facilitates image acquisition of items of different sizes.
  • FIG. 6 is a schematic structural diagram of an image acquisition system according to an embodiment of the present application.
  • the application scenario of this embodiment is to perform 360-degree or multi-angle image collection on an item.
  • the system in this embodiment may include: an image acquisition device 1, an object setting table 15, and a control device (not shown in FIG. 6).
  • the placing table 15 is a rotatable placing table.
  • a motor may be disposed in the placing table 15, and the control device may drive the rotation of the placing table 15 by controlling the rotation of the motor.
  • the setting table 15 may receive a start / stop command and a control command for rotating a fixed angle from the control device, and may also transmit to the control device the current angular position to which the setting table 15 is rotated, wherein the angular position to which the setting table 15 is rotated Can be between 1-360 degrees.
  • the shelf 15 is used to place an object 16 to be photographed.
  • the object 16 to be photographed is an object of image acquisition.
  • the relative position of the object table 15 and the image acquisition device 1 can be adjusted to adapt to different item sizes and shooting requirements.
  • images of different orientations of the article can be collected. Images of different angles of the article in the same orientation can be collected by cameras set at different shooting angles in the same orientation, so that a sample image of the article can be established based on the collected images of different orientations and angles of the article Set for later use as training samples for deep learning, and also for later synthesis of panoramic images of the item.
  • the image acquisition device 1 may be configured to perform image acquisition on an item on the placing table 15 according to a control command of the control device.
  • the image acquisition device 1 may include a bracket according to any one of the foregoing embodiments, and a camera is mounted on a camera mounting portion of the bracket for synchronously acquiring images of the items 16 on the stage 15 from different angles in the same orientation.
  • the control device may be used to control the rotation of the placing table 15 and control the image acquisition device 1 to perform image acquisition on the items on the placing table 15.
  • the control device may be configured to determine whether the preset sampling period is reached according to the rotation angle or the rotation time of the object table 15, and if the preset sampling period is reached, control the image acquisition device 1 to The objects on the setting table 15 are subjected to image acquisition.
  • the camera can perform image acquisition on the articles on the object table.
  • the upright since the upright is vertically arranged, there is no fixed blocking structure above the side of the upright, and the position of the cross arm on it is adjustable, thereby facilitating image acquisition of items of different sizes, especially in the height direction. , Easy to meet the shooting requirements of objects with a high height.
  • control device may mark the images collected by the image acquisition device 1 according to the current angle information of the object table 15.
  • the sampling period is an equally spaced sampling period.
  • the embodiment of the present application is not limited to this, and the sampling period may also be a sampling period composed of preset non-equidistant sampling points, such as presetting rotation angles of 30 degrees, 50 degrees, 80 degrees, and 155 degrees as sampling points, Or set 5 seconds, 8 seconds, 20 seconds, 25 seconds and other rotation time as sampling points in advance.
  • the labeled image By labeling the image, the labeled image can be carried with the angle information of the object table, and the angle information can be used to know from which angle the image was taken.
  • the rotation of the loading table 15 is controlled by a control device, and it is judged whether the preset sampling period is reached according to the rotation angle or the rotation time of the loading table 15, and if the preset sampling period is reached, the control unit is controlled.
  • the image acquisition device 1 performs image acquisition on the articles on the object table 15 and annotates the images collected by the image acquisition device 1 according to the current angle information of the object table 15 so that the labeled images can be made. Carrying the angle information of the object table 15, that is, the angle information about the image, provides a basis for the rapid classification and organization of the images. In this way, the sample image collection is also facilitated while the sample images are quickly classified and archived. Can also greatly improve the efficiency of the production of later sample sets. In the later use of the sample, the sample can also be selected according to the angle information, so that the sample data is easier to retrieve.
  • the control device can determine whether the preset sampling period has been reached according to the rotation angle of the stage 15, and if the preset sampling period is reached, start the image acquisition device 1 to image the articles on the stage 15. Collect and mark the images collected by the image acquisition device 1 according to the current angle information of the object table 15.
  • control device may be specifically configured to control the rotation of the stage 15, read the initial angle information and the current angle information of the stage 15, and according to the initial stage of the stage 15
  • the angle information and the current angle information are used to calculate the currently rotated angle of the placing table 15, and determine whether the preset sampling period has been reached based on the currently rotated angle of the placing table 15. If the preset sampling period is reached, Then, the image acquisition device 1 is started to perform image acquisition on the items on the object table 15 and annotate the images collected by the image acquisition device 1 according to the current angle information of the object table 15.
  • control device can read the angle information of the object table 15 in real time, and the object table 15 can also transmit its own angle information to the control device in real time.
  • the control device may also determine whether the preset sampling period has been reached according to the rotation time of the shelf, and if the preset sampling period is reached, start the image acquisition device 1 to perform image acquisition on the objects on the shelf. And mark the images collected by the image acquisition device according to the current angle information of the object table.
  • control device may be specifically configured to control the placing table to rotate at a predetermined speed, and determine whether the preset sampling period is reached according to the current rotation time of the placing table, and if it reaches a preset ,
  • the image acquisition device 1 is started to perform image acquisition on the objects on the object table, and the images collected by the image acquisition device 1 are labeled according to the current angle information of the object table.
  • the preset sampling period is that the object table is imaged every 5 seconds
  • the object table starts to rotate at a constant speed since the sampling of the previous sampling period is completed, and when the current rotation time reaches 5 seconds, the said table is started.
  • the image acquisition device performs image acquisition on the item. After the acquisition is completed, when the next sampling period, that is, when the rotation time of the object table reaches 8 seconds, the image acquisition device is started to perform another image acquisition on the item until the The setting table is rotated to the initial position, and the image collection of the item is finished.
  • the object table may temporarily stop rotating for a predetermined period of time, such as tentatively rotating for 1 second, so that the image acquisition device can acquire a stable and clear image.
  • the image information collection system may further include: the control device receives input of the item.
  • the attribute information is used to annotate the image collected by the image acquisition device according to the attribute information of the item.
  • the attribute information may include at least one of a name, a shape, a weight, a style, and a bar code of the item.
  • the attribute information of the articles can be input through a human-computer interaction interface of the control device by a manual method.
  • the image information acquisition system may further include: the control device acquires the information on the image acquisition device.
  • the height and / or shooting angle of the first camera are used to mark the image captured by the first camera according to the height and / or shooting angle of the first camera.
  • the control device may obtain the height and / or shooting angle of each camera on the image capture device, and mark the image captured by each camera with the height and / or shooting angle of the corresponding camera , So that each image can carry the height and / or angle information of the image collection.
  • control device may automatically record each image by combining the information recorded or acquired with the manually entered information.
  • Image annotation can also be called automatic image annotation, which is the process by which a computer system assigns metadata to a digital image in the form of picture descriptions or keywords.
  • the angle information of the object table may be allocated to a digital image in the form of a picture description or a keyword, Among them, the angle information may also be referred to as shooting orientation information.
  • the images collected by the image acquisition device may be named in the form of keywords, and the name includes the angle information of the object table, wherein the keywords may be the angle information of the object table and the like.
  • the labeling information can also include information such as the attribute information of the article, the shooting angle, etc.
  • the labeling information can be used together with the angle information of the object table, that is, the shooting orientation information, to name the images collected by the image acquisition device as keywords, so that the The name contains information such as the attributes of the item, the shooting angle, and the angle of the object table.
  • the following uses a cup placed on a shelf as an example to illustrate the process of labeling an image collected by an image acquisition device in an embodiment of the present application.
  • the image acquisition device is provided with three horizontal arms, and a camera is provided at the first end of each horizontal arm.
  • the three cameras are in the same shooting orientation, that is, in the same vertical plane, and the shooting angles are 0 degrees, 45 degrees, and 70 degrees, respectively.
  • the user inputs the name of the article as "cup”, the shape as “cylinder” through the human-computer interaction interface of the control device, and the rotation speed of the shelf is 1 degree per second.
  • the collection cycle of the sample is input on the control device, and the sample table is sampled every 5 degrees.
  • the initial position of the setting table is recorded as x 0 , which is used for subsequent calculation of the rotation angle of the setting table.
  • the control device starts the object table, the object table starts to rotate, and reads the angle information of the object table in real time, which is recorded as x.
  • the currently rotated angle y is calculated by the following formula:
  • the control device controls three cameras on the image acquisition device, and performs synchronous image acquisition of the cups on the object table. Each camera acquires one image, and the image collected by camera 1 is an image. 1.
  • the image captured by camera 2 is image 2
  • the image captured by camera 3 is image 3.
  • Name image 3 cup-cylinder-5 degree-70.
  • the first keyword cup indicates the name of the article
  • the second key word cylinder-5 indicates the shape of the article
  • the third keyword degree indicates the rotation angle of the object table during image acquisition, which can also be called To capture the orientation
  • the fourth keyword indicates the angle at which the image was collected, where the fourth keyword is the number after degree.
  • the labeling information may also be saved as a data file in a predetermined format. Such as json format file.
  • the labeled image can be stored.
  • the stored content can include the image frames captured by all cameras simultaneously, their corresponding attribute information, and the rotation angle information of the table read during the acquisition.
  • the object table continues to rotate and judge whether to capture the picture. Until the angle information of the object table is equal to the initial angle, the object table stops rotating, and the collection of the image of the article is completed. Subsequent items can be replaced and the next set of images are taken.
  • the control device is connected to the camera and the object table, respectively.
  • the control device may include a control module and a data module.
  • the control module is used to send shooting or capture commands to the camera to achieve synchronous image acquisition of all the cameras connected to it.
  • the control module is also connected to the shelf, and can send commands to the shelf, such as start, stop, and rotation of a specified angle.
  • the data module is also connected to the camera and is used to receive image information collected by the camera according to the capture command.
  • picture data is used as an example.
  • the data module is also connected to the object table, and reads and records the current object angle at the same time as the camera captures the picture. At the same time, the data module can also receive attribute information from manual input. The data module annotates the image while receiving the picture and angle information. For example, the collected picture samples can be named according to the manually entered attribute information, and the read table angle information is added as the tagging information, and the named picture and the tagging information are saved according to a preset path rule.
  • the image acquisition device in each embodiment of the image information acquisition system of the present application may be the image acquisition device described in any one of the foregoing embodiments.
  • this embodiment provides a method for acquiring image information, which facilitates automatic archiving of collected sample images.
  • FIG. 7 is a schematic flowchart of an image information collection method according to an embodiment of the present application.
  • the application scenario of this embodiment is to collect 360-degree or multi-angle image collection of an item.
  • the image information collection method of this embodiment includes steps:
  • the object table is a rotatable object table.
  • a motor may be arranged in the object-setting table, and the control device may drive the object-setting table to rotate by controlling the rotation of the motor.
  • the table can receive a start or stop command and a control command to rotate a fixed angle from the control device, and can also transmit to the control device the current angular position to which the table is rotated, the angle position being between 1-360 degrees. between.
  • the shelf is used for placing objects to be photographed.
  • the object to be photographed is an object of image acquisition.
  • the relative position of the object-turning table and the image acquisition device can be adjusted to adapt to different sizes of objects and shooting needs.
  • images of different orientations of the object can be collected. Images of different angles of the article in the same orientation can be collected by cameras set at different shooting angles in the same orientation, so that a sample image of the article can be established based on the collected images of different orientations and angles of the article Set for later use as training samples for deep learning, and also for later synthesis of panoramic images of the item.
  • the sampling period is an equally spaced sampling period.
  • the embodiment of the present application is not limited thereto, and the sampling period may also be a sampling period composed of preset non-equidistant sampling points, such as preset preset rotation angles such as 30 degrees, 60 degrees, 100 degrees, and 155 degrees as sampling points, Or set 5 seconds, 10 seconds, 20 seconds, 25 seconds and other rotation time as sampling points in advance.
  • step S103 is performed; otherwise, the object placing table is controlled to continue to rotate.
  • the image acquisition device may adopt the image acquisition device described in any one of the foregoing embodiments, and a plurality of cameras may be provided on the image acquisition device for synchronous image acquisition of items on the stage from different angles in the same orientation.
  • S104 Annotate the image collected by the image acquisition device according to the current angle information of the object table.
  • the labeled image By labeling the image, the labeled image can be carried with the angle information of the object table, and the angle information can be used to know from which angle the image was taken.
  • the rotation of the object table is controlled, and whether a preset sampling period is reached is determined according to the rotation angle or the rotation time of the object table. If the preset sampling period is reached, the image acquisition device is controlled to control the object object.
  • the objects on the platform are image collected, and the images collected by the image acquisition device are labeled according to the current angle information of the platform, so that the labeled image can carry the angle information of the platform, that is, carry
  • the information about the shooting angle of the image provides a basis for the rapid classification and organization of the images, facilitates the fast classification and archiving of the collected sample images, and can greatly improve the efficiency of the later sample set production.
  • the sample can also be selected according to the angle information, so that the sample data is easier to retrieve.
  • step S102 that is, determining whether the preset sampling period is reached according to the rotation angle of the object placing table, may include steps:
  • Step 1 Read the initial angle information of the placing table.
  • Step 2 Read the current angle information of the object table.
  • Step 3 Calculate the currently rotated angle of the loading platform according to the initial angle information and the current angle information of the loading platform.
  • Step 4. Determine whether the preset sampling period is reached according to the angle that the shelf has been rotated.
  • whether the preset sampling period is reached can be determined according to the current rotation time of the object table. For example, if the preset sampling period is to take an image acquisition every 5 seconds of the rotation of the object table, when the object table has been rotated at a uniform speed since the sampling of the previous sampling period, and the current rotation time reaches 5 seconds, it can be determined that The preset sampling cycle starts the image acquisition device to perform image acquisition on the item. After the acquisition is completed, the next sampling cycle, that is, when the rotation time of the object table reaches 10 seconds, the image acquisition device is activated to the image acquisition device. The image acquisition is performed again on the article until the placing table is rotated to the initial position, and the image acquisition of the article is finished.
  • the object table may temporarily stop rotating for a predetermined period of time, such as tentatively rotating for 1 second, so that the image acquisition device can acquire a stable and clear image.
  • the image information collection method may further include: receiving the input attribute information of the item, according to The attribute information of the item is annotated on an image collected by the image acquisition device.
  • the attribute information may include at least one of a name, a shape, a weight, a style, and a bar code of the item.
  • the attribute information of the articles can be input through a human-computer interaction interface of the control device by a manual method.
  • the method for acquiring image information may further include: acquiring the information of the first camera on the image acquisition device. Height and / or shooting angle; annotating an image captured by the first camera according to the height and / or shooting angle of the first camera.
  • the control device may obtain the height and / or shooting angle of each camera on the image capture device, and mark the image captured by each camera with the height and / or shooting angle of the corresponding camera In this way, each image can carry the height information and / or angle information of the image collection.
  • the labeling the image collected by the image acquisition device according to the current angle information of the object table may include: according to the current angle information of the object table , Naming the images collected by the image acquisition device, and the name includes the angle information of the object table.
  • the image acquisition device in each embodiment of the image information acquisition method of the present application may be the image acquisition device described in any one of the foregoing embodiments.
  • this embodiment provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the method steps described in the third aspect.
  • the computer program when executed by the processor, it can control the rotation of the object table, and determine whether the preset sampling period is reached according to the rotation angle or the rotation time of the object table.
  • the image acquisition device performs image acquisition on the objects on the object table, and annotates the images collected by the image acquisition device according to the current angle information of the object table, so that the labeled image can carry the object table.
  • the angle information that is, the information about the shooting angle of the image, provides a basis for the rapid classification and organization of the images, facilitates the fast classification and archiving of the collected sample images, and can greatly improve the efficiency of the later sample set production.
  • the sample In the later use of the sample, the sample can also be selected according to the angle information, so that the sample data is easier to retrieve.
  • this embodiment further provides a computer program, where the computer program is used to execute the method steps described in the third aspect above when running.
  • the computer program can control the rotation of the object table when it is running, and determine whether the preset sampling period is reached according to the rotation angle or the rotation time of the object table. If the preset sampling period is reached, the image is controlled.
  • the acquisition device collects images of the items on the table, and annotates the images collected by the image acquisition device according to the current angle information of the table, so that the labeled image can carry the angle of the table Information, that is, information about the shooting angle of the image, provides a basis for the rapid classification and organization of the images, facilitates the fast classification and archiving of the collected sample images, and can greatly improve the efficiency of the later sample set production.
  • the sample can also be selected according to the angle information, so that the sample data is easier to retrieve.
  • each unit / module can be implemented in the same or multiple software and / or hardware.
  • the program can be stored in a computer-readable storage medium.
  • the program When executed, the processes of the embodiments of the methods described above may be included.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random, Access Memory, RAM).

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Abstract

一种用于图像采集的支架（1）、图像采集系统及方法，为便于对不同大小的物品进行图像采集，所述用于图像采集的支架（1）包括：底座（2）、在所述底座（2）上设有竖直的立柱（3），在所述立柱（3）上设有横臂（4），所述横臂（4）在所述立柱（3）上的位置可调；在所述横臂（4）的第一端设有相机安装部（5）。图像采集系统，包括：置物台（15）、图像采集装置和控制装置；所述控制装置控制所述图像采集装置对所述置物台（15）上的物品（16）进行图像采集。

Description

一种用于图像采集的支架、图像采集系统及方法
本申请要求于2018年9月11日提交中国专利局、申请号为201811059272.3发明名称为“一种用于图像采集的支架、图像采集系统及方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及图像采集技术领域，尤其涉及一种用于图像采集的支架、图像采集系统及方法。
背景技术
在对物品的图像进行采集时，为了能够更加真实地反映物品本身的形状特征，可对物品从多方位、多角度进行图像采集，例如，从1-360度多个方位进行图像采集。
相关的图像采集系统通常包括弧形支架，在弧形支架上设置有若干个照相机，所有的照相机都沿着弧形支架径向分布。这种结构的图像采集系统，由于支架呈弧形，在被拍摄物品上方有支架阻挡，并且其上的照相机位置固定，仅适用于对大小相对固定的物品进行图像采集，不适用于对大小不同的物品进行图像采集。
发明内容
有鉴于此，本申请实施例提供一种用于图像采集的支架及系统，便于对大小不同的物品进行图像采集。
第一方面，本申请实施例提供一种用于图像采集的支架，包括：底座、在所述底座上设有竖直的立柱，在所述立柱上设有横臂，所述横臂在所述立柱上的位置可调；在所述横臂的第一端设有相机安装部。
根据本申请实施例的一种具体实现方式，在所述立柱上沿立柱的高度方向开有第一通孔，所述第一通孔的数量为两个以上，两个以上的第一通孔上下排列设置；所述横臂的数量为两个以上，每个横臂穿设在一第一通孔中。
根据本申请实施例的一种具体实现方式，所述第一通孔为矩形通孔，所述横臂的横截面为凹字型或为回字形，所述横臂的宽度和高度分别与所述矩形通孔的宽度和高度分别相一致；或者，所述第一通孔为梯形通孔，所述横 臂的横截面为梯形，所述横臂的横截面大小与所述梯形通孔的横截面大小相一致；或者，所述第一通孔为三角形通孔，所述横臂的横截面为三角形，所述横臂的横截面大小与所述三角形通孔横截面的大小相一致。
根据本申请实施例的一种具体实现方式，所述横臂在所述立柱上的位置，在水平方向上沿所述横臂的长度方向可移动调节。
根据本申请实施例的一种具体实现方式，所述立柱上设有第一锁紧机构；所述第一锁紧机构包括：开设在所述第一通孔侧壁上的第一螺孔，在所述第一螺孔中设有第一螺钉，所述第一螺钉伸入所述第一螺孔的端部，抵压在所述横臂上；或者，所述第一锁紧机构包括：开设在所述第一通孔侧壁上的第一销轴孔，和开设在所述横臂上第二销轴孔，所述第二销轴孔为多个，沿所述横臂的长度方向间隔设置；在所述第一销轴孔中设有第一销轴，所述第一销轴伸入所述第一销轴孔的端部，穿插在所述横臂上的一个第二销轴孔中。
根据本申请实施例的一种具体实现方式，所述相机安装部包括：在所述横臂的第一端开设的槽口，在所述槽口处所设的相机座，以及在所述横臂的第一端的两个侧壁上分别开设的第二螺孔；其中，所述相机座包括相机安装板和位于所述相机安装板两端的翼板；所述翼板上开设有第三螺孔，所述第三螺孔与第二螺孔相对应，在所述第三螺孔与第二螺孔中穿设有第二螺钉。
根据本申请实施例的一种具体实现方式，在所述立柱开有第二通孔；所述第二通孔的数量为两个以上，两个以上的第二通孔上下排列设置，并且，所述第二通孔与所述第一通孔交替且间隔设置。
根据本申请实施例的一种具体实现方式，所述横臂的第一端连接有两个以上的支臂，所述两个以上的支臂处于同一水平面内，在每个支臂的端部分别设有相机安装部。
第二方面，本申请实施例提供一种图像采集系统，包括：置物台、图像采集装置和控制装置；所述置物台为可转动置物台，用于放置待拍照的物品；所述图像采集装置，用于根据所述控制装置的控制命令对所述置物台上的物品进行图像采集；其中，所述图像采集装置包括前述任一实现方式所述的支架，在所述相机安装部安装有相机；所述控制装置，用于控制所述置物台的转动，以及控制所述图像采集装置对所述置物台上的物品进行图像采集。
根据本申请实施例的一种具体实现方式，所述控制装置，具体用于控制所述置物台的转动，并根据所述置物台的转动角度或转动时长判断是否达到预设的采样周期，若达到所述预设的采样周期，则控制所述图像采集装置对所述置物台上的物品进行图像采集；根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注。
第三方面，本申请实施例提供一种图像信息采集方法，包括：控制置物台转动；根据所述置物台的转动角度或转动时长判断是否达到预设的采样周期；若达到预设的采样周期，则控制图像采集装置对所述置物台上的物品进行图像采集；根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注，其中，所述图像采集装置包括前述第一方面所提供任一支架。
第四方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质内存储有计算机程序，所述计算机程序被处理器执行时实现上述图像信息采集方法步骤。
第五方面，本申请实施例提供一种计算机程序，所述计算机程序用于在运行时执行上述图像信息采集方法步骤。
本申请实施例提供的一种用于图像采集的支架及系统，由于底座上所设的立柱为竖直设置，这样在立柱的侧上方，即待拍摄物品的正上方没有固定的阻挡结构，并且立柱上的横臂位置可调，由此便于适应不同物品大小的拍摄要求，便于对大小不同的物品进行图像采集。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本申请一实施例所提供的用于图像采集的支架的结构示意图；
图2为图1中的底座和立柱结构示意图；
图3为图1中的横臂结构示意图；
图4为本申请一实施例所提供的相机座的结构示意图；
图5为本申请另一实施例所提供的横臂的结构示意图；
图6为本申请一实施例所提供的图像信息采集系统的结构示意图；
图7为本申请一实施例所提供的图像信息采集方法的流程示意图。
具体实施方式
下面结合附图对本申请实施例进行详细描述。
应当明确，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
第一方面，本实施例提供一种用于图像采集的支架，便于对不同大小的物品进行图像采集。
参看图1，本实施例用于图像采集的支架1，包括：底座2、在所述底座2上设有竖直的立柱3，在所述立柱3上设有横臂4，所述横臂4在所述立柱3上的位置可调；在所述横臂4的第一端设有相机安装部5，在所述相机安装部5可安装有相机6；其中，所述横臂4的第一端为所述横臂靠近待被采集图像的物品的一端，待被采集图像的物品可放在可转动的置物台上。
本实施例中，通过所述相机可对置物台上的物品进行图像采集。由于本实施例中立柱为竖直设置，在立柱的侧上方，即待拍摄物品的正上方没有固定的阻挡结构，并且其上的横臂位置可调，由此便于对不同大小的物品进行图像采集，尤其是在高度方向上，便于满足具有较高高度的物品的拍摄要求。
为便于从多个角度进行图像采集，参看图2，在本申请一实施例中，在所述立柱上沿立柱的高度方向开有第一通孔7，所述第一通孔7的数量为两个以上，两个以上的第一通孔7上下排列设置，例如，两个以上的第一通孔7可以延立柱的高度方向，上下对齐设置；所述横臂4的数量为两个以上，两个以上的横臂4上下排列设置，每个横臂对应穿设在一第一通孔7中，每个横臂4可在第一通孔7中伸缩可调，也就是说，每个横臂4可在第一通孔7中移动，以改变横臂4相对于第一通孔7的位置，以使横臂4的第一端所设的相机6位于合适的拍摄位置。本实施例中，两个以上的横臂4可处于同一竖直平面内。
在本申请一实施例中，参看图3，所述第一通孔7为矩形通孔，所述横臂4的横截面为凹字型，所述横臂4的宽度和高度分别与所述矩形通孔的宽度和 高度相一致，这样，可使得立柱3可为横臂提供稳定可靠的支撑，使得横臂可相对于立柱伸缩调节，避免横臂相对于立柱产生转动，以便于拍摄到稳定清晰的图像。同时，横截面为凹字型的横臂的槽内41可作为相机的走线通道，便于相机的线缆的布置。
本申请实施例不限于此，所述第一通孔7也可为其它形状的通孔。在本申请另一实施例中，所述第一通孔7为矩形通孔，所述横臂4的横截面为回字形，所述横臂4的宽度和高度分别与所述矩形通孔的宽度和高度相一致，这样，也可使得立柱可为横臂提供稳定可靠的支撑，使得横臂可相对于立柱伸缩调节，避免横臂相对于立柱产生转动，以便于拍摄到稳定清晰的图像。同时，横截面为回字型的横臂，其内部中心位置处的通孔可作为相机的走线通道，使得相机的线缆布置更加隐蔽。
在本申请又一实施例中，所述第一通孔7为梯形通孔，所述横臂4的横截面为梯形，所述横臂的横截面大小与所述梯形通孔的横截面大小相一致，这样，同样可使得立柱为横臂提供稳定可靠的支撑，使得横臂可相对于立柱伸缩调节，避免横臂相对于立柱产生转动，以便于拍摄到稳定清晰的图像。
在本申请再一实施例中，所述第一通孔7为三角形通孔，所述横臂4的横截面为三角形，所述横臂的横截面大小与所述三角形通孔横截面的大小相一致。这样，也可使得立柱为横臂提供稳定可靠的支撑，使得横臂可相对于立柱移动调节，避免横臂相对于立柱产生转动，以便于拍摄到稳定清晰的图像。
在本申请一实施例中，所述横臂4在所述立柱3上的位置，在水平方向上沿所述横臂4的长度方向可移动调节，以使相机处于合适的拍摄位置。
在将横梁的位置调整到合适的位置之后，为防止横梁的位置发生偏移，在本申请一实施例中，所述立柱上设有第一锁紧机构。在一种实施方式中，参看图2，所述第一锁紧机构可包括：开设在所述第一通孔7侧壁上的第一螺孔7a，参看图1，在所述第一螺孔7a中设有第一螺钉8，所述第一螺钉8伸入所述第一螺孔7a的端部，抵压在所述横臂4上，通过所述第一螺钉可将所述横臂定位在立柱上，防止横梁相对于立柱发生位置偏移，使横梁不可插进或拔出。
所述第一锁紧机构不限于上述结构形式，在本申请另一实施例中，所述第一锁紧机构可包括：开设在所述第一通孔侧壁上的第一销轴孔，和开设在所述横臂上第二销轴孔，所述第二销轴孔为多个，沿所述横臂的长度方向间隔设置；在所述第一销轴孔中设有第一销轴，所述第一销轴伸入所述第一销轴孔的端部，穿插在所述横臂上的多个第二销轴孔其中一个第二销轴孔中，通过所述第一销轴可将所述横臂定位在立柱上，防止横梁相对于立柱发生位置偏移。
横臂4本身的长度可根据需要进行加长或缩短。横臂4上可以添加刻度，用于标识横臂4相对于立柱所处的位置。
立柱3的高度可根据需要进行调整。可选地，所述立柱3为高度可伸缩的立柱，以适应具有更大高度的物品的拍摄要求。
参看图3，在本申请一实施例中，在所述横臂4的第一端的相机安装部5可包括：在所述横臂的第一端开设的槽口10，参看图4，在所述槽口10处所设的相机座9，以及图3中所示的在所述横臂4的第一端的两个侧壁上分别开设的第二螺孔4a。其中，参看图4，所述相机座9包括相机安装板11和位于所述相机安装板两端的翼板12，相机安装板11上可固定相机。所述翼板12上开设有第三螺孔12a，所述第三螺孔12a与图3中所示的第二螺孔4a的位置相对应，在所述第三螺孔12a与第二螺孔4a中穿设有如图1所示的第二螺钉13。松开第二螺钉，可使相机安装板转动，以调节其上安装的相机的拍摄角度，拧紧第二螺钉，可使相机安装板的位置固定。
也就是说，本实施例中，所述相机座与所述翼板可通过第二螺钉连接在所述横臂的第一端的两个相对的侧壁上。此外，也可使相机座绕所述第二螺钉转动，通过调节螺钉的松紧程度，可实现相机座的转动调节，以达到改变相机拍摄角度的目的。本申请实施例不限于此，所述相机座也可通过卡扣的方式与横臂的第一端相卡接。
所述横臂的第一端开设的槽口，为相机座的转动调节提供了有利的避让空间，可使相机座的转动范围相对较大，以满足不同拍摄角度的要求。
参看图2，为有效减轻图像采集装置的整体重量，防止因重心过高而倾倒，在本申请一实施例中，在所述立柱开有第二通孔14。第二通孔14与第一通孔 7可上下对应设置。第二通孔14的数量可为多个，其可与多个第一通孔7延立柱高度方向上下交替间隔设置。第二通孔14的形状可为圆形，也可为其它形状，本申请实施例对此不做具体限定。
为了便于提高图像采集的效率，参看图5，在本申请一实施例中，所述横臂4的第一端可以连接有两个以上的支臂，所述两个以上的支臂处于同一水平面内，在每个支臂的端部分别设有相机安装部，每个相机安装部均可安装有相机，这样，可在同一水平面内，同时从不同的方位对物品的图像进行采集，能够提供图像采集的效率。图5中，横臂4的第一端连接有三个支臂，分别为支臂A、支臂B和支臂C，这三个支臂共处于同一水平面内。
第二方面，本实施例提供一种图像采集系统，便于对不同大小的物品进行图像采集。
图6为本申请一实施例图像采集系统的结构示意图。本实施例的应用场景是对物品进行360度或多角度的图像采集。如图6所示，本实施例的系统可以包括：图像采集装置1、置物台15和控制装置(图6中未示出)。其中，所述置物台15为可转动置物台。所述置物台15内可配置有电机，所述控制装置可通过控制所述电机的转动来驱动置物台15的转动。具体地，置物台15可接收控制装置发出的启动/停止命令、旋转固定角度的控制命令，也可向控制装置传递当前置物台15旋转到的角度位置，其中，置物台15旋转到的角度位置可以为1-360度之间。
所述置物台15用于放置待拍照的物品16。所述待拍照的物品16即为图像采集的对象。置物台15与图像采集装置1的相对位置可调整，以适应于不同的物品大小和拍摄需求。
在置物台15的转动过程中，可采集所述物品的不同方位的图像。可通过设置在同一方位不同拍摄角度的相机，采集所述物品在同一方位的不同角度的图像，这样，可根据采集的所述物品的不同方位和不同角度的图像，建立所述物品的样本图像集，以供后期作为深度学习的训练样本使用，也可供后期合成所述物品的全景图像时使用。
所述图像采集装置1可以用于根据所述控制装置的控制命令对所述置物台15上的物品进行图像采集。图像采集装置1可包括前述任一实施例所述的 支架，在所述支架的相机安装部安装有相机，用于从同一方位的不同角度对置物台15上的物品16进行同步图像采集。
所述控制装置可以用于控制所述置物台15的转动，以及控制所述图像采集装置1对所述置物台15上的物品进行图像采集。可选地，所述控制装置可用于根据所述置物台15的转动角度或转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则控制所述图像采集装置1对所述置物台15上的物品进行图像采集。
本实施例中，通过所述相机可对置物台上的物品进行图像采集。由于本实施例中立柱为竖直设置，在立柱的侧上方没有固定的阻挡结构，并且其上的横臂位置可调，由此便于对不同大小的物品进行图像采集，尤其是在高度方向上，便于满足具有较高高度的物品的拍摄要求。
为便于实现样本图像快速的分类归档，在本申请另一实施例中，所述控制装置可根据所述置物台15当前的角度信息，对所述图像采集装置1采集的图像进行标注。
本实施例中，所述采样周期为等间隔采样周期。本申请实施例不限于此，所述采样周期也可以是预置的非等间隔的采样点组成的采样周期，如预先设置30度、50度、80度、155度等转动角度作为采样点，或者预先设置5秒、8秒、20秒、25秒等转动时长作为采样点。
通过对所述图像进行标注，可使标注后的图像携带有置物台的角度信息，通过该角度信息可得知所述图像是从所述物品的哪个角度拍摄获得的。
本实施例中，通过控制装置控制所述置物台15的转动，并根据所述置物台15的转动角度或转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则控制所述图像采集装置1对所述置物台15上的物品进行图像采集，并根据所述置物台15当前的角度信息，对所述图像采集装置1采集的图像进行标注，这样可使标注后的图像携带有置物台15的角度信息，亦即携带有关于该图像的拍摄角度信息，为图像的快速分类整理提供基础，这样，在实现样本图像采集的同时，也便于实现样本图像快速的分类归档，也可大大提高后期样本集制作的效率。在后期样本使用时，也可根据所述角度信息进行样本的选取，使得样本数据更易检索。
所述控制装置可根据所述置物台15的转动角度判断是否达到预设的采样周期，若达到预设的采样周期，则启动所述图像采集装置1对所述置物台15上的物品进行图像采集，并根据所述置物台15当前的角度信息，对所述图像采集装置1采集的图像进行标注。
在本申请一实施例中，所述控制装置具体可以用于控制所述置物台15的转动，读取所述置物台15的初始角度信息和当前的角度信息，根据所述置物台15的初始角度信息和当前的角度信息，计算所述置物台15当前已转过的角度，根据所述置物台15当前已转过的角度判断是否达到预设的采样周期，若达到预设的采样周期，则启动所述图像采集装置1对所述置物台15上的物品进行图像采集，并根据所述置物台15当前的角度信息，对所述图像采集装置1采集的图像进行标注。
本实施例中，控制装置可实时读取置物台15的角度信息，置物台15也可将自身的角度信息实时传给控制装置。
所述控制装置也可根据所述置物台的转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则启动所述图像采集装置1对所述置物台上的物品进行图像采集，并根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注。
在本申请另一实施例中，所述控制装置具体可以用于控制所述置物台按照预定的速度转动，根据所述置物台当前的转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则启动所述图像采集装置1对所述置物台上的物品进行图像采集，并根据所述置物台当前的角度信息，对所述图像采集装置1采集的图像进行标注。
比如，若预设的采样周期是置物台每转动5秒则进行一次图像采集，则当置物台自上一采样周期采样完毕开始匀速转动，至当前转动的时长达到5秒时，则启动所述图像采集装置对所述物品进行图像采集，采集完成后，则在下一个采样周期，即置物台的转动时长达到8秒时，启动所述图像采集装置对所述物品进行再次图像采集，直至所述置物台回转至初始位置，对所述物品的图像采集结束。
本实施例中，可选地，在置物台的转动时长达到预设的采样周期时，置 物台可暂停转动预定的时长，如暂定转动1秒，以便于图像采集装置采集到稳定清晰的图像。
为使标注后的图像所携带的标注信息更能体现物品本身的特征信息，在本申请一实施例中，所述的图像信息采集系统还可包括：所述控制装置接收输入的所述物品的属性信息，根据所述物品的属性信息，对所述图像采集装置采集的图像进行标注。其中，所述属性信息可以包括物品的名称、形状、重量、款式和条形码中的至少一种。
本实施例中，可借助人工的方式，通过控制装置的人机交互界面输入物品的属性信息。
为使标注后的图像所携带的标注信息更能体现图像采集的角度，在本申请一实施例中，所述的图像信息采集系统还可包括：所述控制装置获取所述图像采集装置上的第一相机的高度和/或拍摄角度，根据第一相机的高度和/或拍摄角度，对第一相机所拍摄的图像进行标注。
当图像采集装置包括多个相机时，所述控制装置可获取所述图像采集装置上的各个相机的高度和/或拍摄角度，对每个相机拍摄的图像标注对应相机的高度和/或拍摄角度，这样可使每张图像均携带有图像采集的高度和/或角度信息。
作为一可选实施例，可将控制装置可以将记录或获取的信息，以及人工录入的信息相结合，对每张图像进行自动标注。
图像标注也可称为图像自动标注，是由计算机系统通过图片说明或关键词的形式分配元数据给一张数字图像的过程。
本实施例中，在根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注时，可通过图片说明或关键词的形式分配置物台的角度信息给一张数字图像，其中，角度信息也可称为拍摄方位信息。在本申请一实施例中，可通过关键词的形式为图像采集装置采集的图像进行命名，所述命名中包含所述置物台的角度信息，其中，关键词可以为置物台的角度信息等。
在标注信息还可包括物品的属性信息、拍摄角度等信息时，可将这些标注信息连同置物台的角度信息，即拍摄方位信息，作为关键词为图像采集装 置采集的图像进行命名，使得图像的命名中包含物品的属性、拍摄角度、置物台的角度等信息。
下面以对放置在置物台上的一杯子为例，对本申请实施例中对图像采集装置采集的图像进行标注的过程进行示例性说明。
(一)准备工作
根据杯子的大小、拍摄角度的需求调整图像采集装置和置物台的位置。
调整图像采集装置上横臂的数量和位置以及调整相机基座的角度。在一种实施方式中，图像采集装置上设有3个横臂，每个横臂的第一端设有1个相机，共有3个相机，分别是camera 1、camera 2、camera 3。该3个相机处于同一拍摄方位上，即处于同一竖直平面内，拍摄角度分别为0度、45度和70度。
用户通过控制装置的人机交互界面输入物品的名称为“cup”,形状为“cylinder”，置物台转动速度为每秒1度。
在控制装置上输入采集样本的采集周期，置物台每转动5度采样一次。
(二)采集过程
首先要记录置物台的初始位置，记为x 0，用于后续计算置物台转过的角度。此外还可以读取外部输入的转台参数，这里主要是转动速度。
控制装置启动置物台，置物台开始转动，并实时读取置物台的角度信息，记为x。当前已经转过的角度y由以下公式计算：
Figure PCTCN2019103008-appb-000001
当置物台的转动角度达到5度时，控制装置控制图像采集装置上的3个相机，对置物台上的杯子进行同步图像采集，每个相机各采集一张图像，camera 1采集的图像为图像1，camera 2采集的图像为图像2，camera 3采集的图像为图像3。
对图像1命名为：cup-cylinder-5 degree-0；
对图像2命名为：cup-cylinder-5 degree-45；
对图像3命名为：cup-cylinder-5 degree-70。
在上述命名中，第一个关键词cup表明物品的名称，第二个关建词 cylinder-5表明物品的形状，第三个关键词degree表明进行图像采集时置物台的转动角度，也可称为拍摄方位，第四个关键词表明图像的采集角度，其中，第四个关键词即为degree之后的数字。
在根据上述标注信息对采集的图像进行标注时，除了通过关键词的形式为采集的图像进行命名来进行标注外，在另一实施例中，也可将标注信息按照预定格式保存成为数据文件，如json格式文件。
在标注完成后，可对标注后的图像进行存储。存储内容可以包含所有相机同步采集的图像帧，以及其对应的属性信息，以及采集时读取的置物台的旋转角度信息。
置物台持续转动并进行是否抓图的判断，直至置物台的角度信息等于初始角度时，置物台停止转动，即完成了该件物品图像的采集。后续可更换物品并进行下一组图像的拍摄。
所述控制装置分别与相机和置物台相连。在本申请一实施例中，所述控制装置可包括控制模块和数据模块。其中，控制模块用于向相机发送拍摄或者抓图命令，实现所有与其相连的相机的同步图像采集。控制模块也与置物台相连，可以向置物台发送启动、停止、旋转指定角度等命令。数据模块也与相机相连，用于接收相机根据抓拍命令所采集的图像信息，这里以图片数据为例。
数据模块也与置物台相连，在相机抓拍图片的同时读取当前时刻的置物台角度并记录，同时数据模块也可接收来自人工输入的属性信息。数据模块在接收到图片和角度信息的同时，对图像进行标注。举例来说，可以按照人工录入的属性信息对采集到的图片样本进行命名，并添加读取到的置物台角度信息作为标注信息后，按照预设的路径规则保存命名后的图片以及标注信息。
本申请图像信息采集系统各实施例中的所述图像采集装置，可为前述任一实施例所述的图像采集装置。
第三方面，本实施例提供一种图像信息采集方法，便于实现对采集的样本图像进行自动的归档。
图7为本申请实施例图像信息采集方法的流程示意图，本实施例的应用 场景是对物品进行360度或多角度的图像采集。如图7所示，本实施例的图像信息采集方法，包括步骤：
S101、控制置物台转动。
所述置物台为可转动置物台。所述置物台内可配置有电机，控制装置可通过控制所述电机的转动来驱动置物台转动。在一种实施方式中，置物台可接收控制装置发出的启动或停止命令以及旋转固定角度的控制命令，也可向控制装置传递当前置物台旋转到的角度位置，角度位置在1-360度之间。
所述置物台用于放置待拍照的物品。所述待拍照的物品即为图像采集的对象。置物转台与图像采集装置的相对位置可调整，以适应于不同大小的物品和拍摄需求。
在置物台的转动过程中，可采集所述物品的不同方位的图像。可通过设置在同一方位不同拍摄角度的相机，采集所述物品在同一方位的不同角度的图像，这样，可根据采集的所述物品的不同方位和不同角度的图像，建立所述物品的样本图像集，以供后期作为深度学习的训练样本使用，也可供后期合成所述物品的全景图像时使用。
S102、根据所述置物台的转动角度或转动时长判断是否达到预设的采样周期。
本实施例中，所述采样周期为等间隔采样周期。本申请实施例不限于此，所述采样周期也可以是预置的非等间隔的采样点组成的采样周期，如预先设置30度、60度、100度、155度等转动角度作为采样点，或者预先设置5秒、10秒、20秒、25秒等转动时长作为采样点。
若达到预设的采样周期，则执行步骤S103，否则，控制置物台继续转动。
S103、控制图像采集装置对所述置物台上的物品进行图像采集。
图像采集装置可采用前述任一实施例所述的图像采集装置，其上可设有多个相机，用于从同一方位的不同角度对置物台上的物品进行同步图像采集。
S104、根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注。
通过对所述图像进行标注，可使标注后的图像携带有置物台的角度信息，通过该角度信息可得知所述图像是从所述物品的哪个角度拍摄获得的。
本实施例中，通过控制置物台的转动，并根据置物台的转动角度或转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则控制所述图像采集装置对所述置物台上的物品进行图像采集，并根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注，这样可使标注后的图像携带有置物台的角度信息，亦即携带有关于该图像的拍摄角度信息，为图像的快速分类整理提供基础，便于实现对采集的样本图像进行快速的分类归档，可大大提高后期样本集制作的效率。在后期样本使用时，也可根据所述角度信息进行样本的选取，使得样本数据更易检索。
在本申请一实施例中，上述步骤S102，即所述根据所述置物台的转动角度判断是否达到预设的采样周期，可包括步骤：
步骤1、读取所述置物台的初始角度信息。
步骤2、读取所述置物台当前的角度信息。
步骤3、根据所述置物台的初始角度信息和当前的角度信息，计算所述置物台当前已转过的角度。
步骤4、根据所述置物台当前已转过的角度，判断是否达到预设的采样周期。
在本申请另一实施例中，可以根据所述置物台当前的转动时长判断是否达到预设的采样周期。比如，若预设的采样周期是置物台每转动5秒则进行一次图像采集，则当置物台自上一采样周期采样完毕开始匀速转动，至当前转动的时长达到5秒时，则可确定达到预设的采样周期，启动所述图像采集装置对所述物品进行图像采集，采集完成后，则在下一个采样周期，即置物台的转动时长达到10秒时，启动所述图像采集装置对所述物品进行再次图像采集，直至所述置物台回转至初始位置，对所述物品的图像采集结束。
本实施例中，可选地，在置物台的转动时长达到预设的采样周期时，置物台可暂停转动预定的时长，如暂定转动1秒，以便于图像采集装置采集到稳定清晰的图像。
为使标注后的图像所携带的标注信息更能体现物品本身的特征信息，在本申请一实施例中，所述的图像信息采集方法还可包括：接收输入的所述物品的属性信息，根据所述物品的属性信息，对所述图像采集装置采集的图像 进行标注。其中，所述属性信息可以包括物品的名称、形状、重量、款式和条形码中的至少一种。
本实施例中，可借助人工的方式，通过控制装置的人机交互界面输入物品的属性信息。
为使标注后的图像所携带的标注信息更能体现图像采集的角度，在本申请一实施例中，所述的图像信息采集方法还可包括：获取所述图像采集装置上的第一相机的高度和/或拍摄角度；根据第一相机的高度和/或拍摄角度，对第一相机所拍摄的图像进行标注。
当图像采集装置包括多个相机时，所述控制装置可获取所述图像采集装置上的各个相机的高度和/或拍摄角度，对每个相机拍摄的图像标注对应相机的高度和/或拍摄角度，这样可使每张图像均携带有图像采集的高度信息和/或角度信息。
在本申请一实施例中，所述根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注，也就是上述步骤S104，可以包括：根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行命名，所述命名中包含所述置物台的角度信息。
本实施例中，关于图像标注及对标注后的图像的存储的说明及解释，请参见前述图像信息采集系统实施例中的相关描述，在此不再赘述。
本申请图像信息采集方法各实施例中的所述图像采集装置，可为前述任一实施例所述的图像采集装置。
第四方面，本实施例提供了一种计算机可读存储介质，所述计算机可读存储介质内存储有计算机程序，所述计算机程序被处理器执行时实现上述第三方面所述的方法步骤。
本实施例中，计算机程序被处理器执行时可以通过控制置物台的转动，并根据置物台的转动角度或转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则控制所述图像采集装置对所述置物台上的物品进行图像采集，并根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注，这样可使标注后的图像携带有置物台的角度信息，亦即携带有关于该图像的拍摄角度信息，为图像的快速分类整理提供基础，便于实现对采 集的样本图像进行快速的分类归档，可大大提高后期样本集制作的效率。在后期样本使用时，也可根据所述角度信息进行样本的选取，使得样本数据更易检索。
第五方面，本实施例还提供了一种计算机程序，所述计算机程序用于在运行时执行上述第三方面所述的方法步骤。
本实施例中，计算机程序在运行时可以通过控制置物台的转动，并根据置物台的转动角度或转动时长判断是否达到预设的采样周期，若达到预设的采样周期，则控制所述图像采集装置对所述置物台上的物品进行图像采集，并根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注，这样可使标注后的图像携带有置物台的角度信息，亦即携带有关于该图像的拍摄角度信息，为图像的快速分类整理提供基础，便于实现对采集的样本图像进行快速的分类归档，可大大提高后期样本集制作的效率。在后期样本使用时，也可根据所述角度信息进行样本的选取，使得样本数据更易检索。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本说明书中的各个实施例均采用相关的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。
尤其，对于装置实施例而言，由于其基本相似于方法实施例，所以描述的比较简单，相关之处参见方法实施例的部分说明即可。
为了描述的方便，描述以上装置是以功能分为各种单元/模块分别描述。 当然，在实施本申请时可以把各单元/模块的功能在同一个或多个软件和/或硬件中实现。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (14)

  1. 一种用于图像采集的支架，其特征在于，包括：底座、在所述底座上设有竖直的立柱，在所述立柱上设有横臂，所述横臂在所述立柱上的位置可调；在所述横臂的第一端设有相机安装部。
  2. 根据权利要求1所述的支架，其特征在于，在所述立柱上沿立柱的高度方向开有第一通孔，所述第一通孔的数量为两个以上，两个以上的第一通孔上下排列设置；所述横臂的数量为两个以上，每个横臂穿设在一第一通孔中。
  3. 根据权利要求2所述的支架，其特征在于，所述第一通孔为矩形通孔，所述横臂的横截面为凹字型或为回字形，所述横臂的宽度和高度分别与所述矩形通孔的宽度和高度相一致；或者，
    所述第一通孔为梯形通孔，所述横臂的横截面为梯形，所述横臂的横截面大小与所述梯形通孔的横截面大小相一致；或者，
    所述第一通孔为三角形通孔，所述横臂的横截面为三角形，所述横臂的横截面大小与所述三角形通孔横截面的大小相一致。
  4. 根据权利要求2或3所述的支架，其特征在于，所述横臂在所述立柱上的位置，在水平方向上沿所述横臂的长度方向可移动调节。
  5. 根据权利要求2或3所述的支架，其特征在于，所述立柱上设有第一锁紧机构；
    所述第一锁紧机构包括：开设在所述第一通孔侧壁上的第一螺孔，在所述第一螺孔中设有第一螺钉，所述第一螺钉伸入所述第一螺孔的端部，抵压在所述横臂上；或者，
    所述第一锁紧机构包括：开设在所述第一通孔侧壁上的第一销轴孔，和开设在所述横臂上第二销轴孔，所述第二销轴孔为多个，沿所述横臂的长度方向间隔设置；在所述第一销轴孔中设有第一销轴，所述第一销轴伸入所述第一销轴孔的端部，穿插在所述横臂上的一个第二销轴孔中。
  6. 根据权利要求2或3所述的支架，其特征在于，所述相机安装部包括：
    在所述横臂的第一端开设的槽口，在所述槽口处所设的相机座，以及在 所述横臂的第一端的两个侧壁上分别开设的第二螺孔；其中，
    所述相机座包括相机安装板和位于所述相机安装板两端的翼板；所述翼板上开设有第三螺孔，所述第三螺孔与第二螺孔相对应，在所述第三螺孔与第二螺孔中穿设有第二螺钉。
  7. 根据权利要求2所述的支架，其特征在于，在所述立柱开有第二通孔；所述第二通孔的数量为两个以上，两个以上的第二通孔上下排列设置，并且，所述第二通孔与所述第一通孔交替且间隔设置。
  8. 根据权利要求1所述的支架，其特征在于，所述横臂的第一端连接有两个以上的支臂，所述两个以上的支臂处于同一水平面内，在每个支臂的端部分别设有相机安装部。
  9. 根据权利要求1所述的支架，其特征在于，所述横臂上设有刻度。
  10. 一种图像采集系统，其特征在于，包括：置物台、图像采集装置和控制装置；
    所述置物台为可转动置物台，用于放置待拍照的物品；
    所述图像采集装置，用于根据所述控制装置的控制命令对所述置物台上的物品进行图像采集；其中，所述图像采集装置包括前述权利要求1-9任一项所述的支架，在所述相机安装部安装有相机；
    所述控制装置，用于控制所述置物台的转动，以及控制所述图像采集装置对所述置物台上的物品进行图像采集。
  11. 根据权利要10所述的图像信息采集系统，其特征在于，所述控制装置，具体用于：控制所述置物台的转动，并根据所述置物台的转动角度或转动时长判断是否达到预设的采样周期，若达到所述预设的采样周期，则控制所述图像采集装置对所述置物台上的物品进行图像采集；根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注。
  12. 一种图像信息采集方法，其特征在于，包括：
    控制置物台转动；
    根据所述置物台的转动角度或转动时长判断是否达到预设的采样周期；
    若达到预设的采样周期，则控制图像采集装置对所述置物台上的物品进行图像采集；其中，所述图像采集装置包括前述权利要求1-9任一项所述的支架；
    根据所述置物台当前的角度信息，对所述图像采集装置采集的图像进行标注。
  13. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质内存储有计算机程序，所述计算机程序被处理器执行时实现权利要求12所述的方法步骤。
  14. 一种计算机程序，其特征在于，所述计算机程序用于在运行时执行权利要求12所述的方法步骤。
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