WO2019041795A1 - 一种动向投影物体展示系统及其方法 - Google Patents

一种动向投影物体展示系统及其方法 Download PDF

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Publication number
WO2019041795A1
WO2019041795A1 PCT/CN2018/080697 CN2018080697W WO2019041795A1 WO 2019041795 A1 WO2019041795 A1 WO 2019041795A1 CN 2018080697 W CN2018080697 W CN 2018080697W WO 2019041795 A1 WO2019041795 A1 WO 2019041795A1
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WIPO (PCT)
Prior art keywords
user
item
information
line
projector
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PCT/CN2018/080697
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English (en)
French (fr)
Inventor
杨伟樑
高志强
林清云
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广景视睿科技（深圳）有限公司
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Publication of WO2019041795A1 publication Critical patent/WO2019041795A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0641—Shopping interfaces
    • G06Q30/0643—Graphical representation of items or shoppers

Definitions

  • the present application relates to the field of digital projection display technology, and more particularly to a moving projection object display system and method thereof.
  • an object of the present application is to provide a moving projection object display system and a method thereof, which realize projection according to items of interest of a user, and the user experience is better.
  • an embodiment of the present application provides a moving projection object display system, including:
  • An image acquisition unit configured to track and collect an image including human eye information of the user
  • control unit which is respectively connected to a projector and an image acquisition unit, wherein the control unit is configured to determine a line of sight direction of the user according to the image, determine an item of interest to the user according to the line of sight direction, and acquire the item Corresponding display information, controlling the projection display information of the projector.
  • the determining, by the control unit, determining, according to the direction of the line of sight, the item of interest to the user includes:
  • the item corresponding to the line of sight of the user is identified, and the item is used as the item of interest to the user.
  • control unit is further configured to:
  • the retention duration is less than or equal to the preset duration threshold
  • determining whether the item of interest to the user is previously determined and if so, continuing to control the projector to project the previously determined focus of the user
  • the display information corresponding to the item When it is determined that the retention duration is less than or equal to the preset duration threshold, determining whether the item of interest to the user is previously determined, and if so, continuing to control the projector to project the previously determined focus of the user The display information corresponding to the item.
  • the obtaining, by the control unit, the display information corresponding to the item includes:
  • Information associated with the user feature information is extracted from the alternate information as a presentation.
  • the image capturing unit includes a first motion mechanism and a camera; the camera is disposed on the first motion mechanism, and the first motion mechanism is configured to control a framing direction of the camera;
  • the camera and the first motion mechanism are both connected to the control unit, and the control unit is further configured to control a framing direction of the camera by using a first motion mechanism, so that a framing direction of the camera follows a user's face position And move.
  • the moving projection object display system further includes: a second motion mechanism
  • the projector is disposed on the second motion mechanism
  • the control unit is further configured to acquire a position of the item, and send a movement signal to the second motion mechanism according to the position of the item;
  • the second motion mechanism is configured to adjust a projection direction of the projector according to a movement signal, so that the projector projects the display information at a position where the item is located.
  • the moving projection object display system further includes a communication module
  • the communication module is coupled to the control unit.
  • the embodiment of the present application further provides a method for displaying a moving projection object, the method comprising:
  • determining, according to the direction of the line of sight, the item of interest to the user includes:
  • the item corresponding to the line of sight of the user is identified, and the item is used as the item of interest to the user.
  • the method further includes: if not, determining whether the item of interest to the user is previously determined; if it is determined, continuing to control the projector to project the previously determined item of interest of the user Display information.
  • obtaining the display information corresponding to the item includes:
  • Information associated with the user feature information is extracted from the alternate information as a presentation.
  • an advantageous effect of the embodiment of the present application is that, in the case of the prior art, the embodiment of the present application tracks and collects an image including human eye information of a user, and determines a line of sight direction of the user according to the image, according to the direction of the line of sight. Determining the item of interest to the user, and projecting according to the item of interest of the user, so that the user can also know other items of the item through the projected content while realizing the object of the entity, thereby realizing the combination of the physical item and the projected display information. Intuitive and effective display of items, giving users different visual enjoyment and entertainment effects, user experience is better.
  • FIG. 1 is a schematic structural diagram of a moving projection object display system according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a moving projection object display system according to another embodiment of the present application.
  • FIG. 3 is a flowchart of a method for displaying a moving projection object according to an embodiment of the present application
  • FIG. 4 is a detailed flow chart of S13 of Figure 3.
  • the embodiment provides a moving projection object display system 100 , which includes an image acquisition unit 11 , a projector 12 , and a control unit 13 .
  • the control unit 13 is respectively connected to the projector 12 and the image acquisition unit 11 .
  • the image capturing unit 11 is configured to track and collect an image including human eye information of the user
  • the control unit 13 is configured to determine a line of sight direction of the user according to the collected image, and then determine an item of interest to the user according to the line of sight direction.
  • the system can project the display information of the item that the user pays attention to when the user pays attention to an item, so that the user can understand the other items of the item through the projected content while realizing the physical item and the projection display.
  • the combination of virtual and real information gives users different visual enjoyment and entertainment effects, and the user experience is better.
  • the implementation of the image acquisition unit 11 for tracking the image of the human eye information of the user includes a plurality of types, which are not limited in the present application.
  • the image collection unit 11 may include multiple cameras, and the plurality of cameras are distributed.
  • the fixed space of the item, the plurality of cameras perform no dead angle shooting on the fixed space, and when the user enters the fixed space, the plurality of cameras can simultaneously collect the image of the user, and then extract the image containing the user's human eye from the images collected by the plurality of cameras.
  • the image capture unit image capture unit 11 may further include a first motion mechanism 111 and a camera 112, and the camera 112 is mounted on the first image.
  • the first motion mechanism 111 is configured to control the framing direction of the camera 112.
  • the camera 112 and the first motion mechanism 111 are both connected to the control unit 13, and the control unit 13 passes the first motion.
  • the mechanism controls a framing direction of the camera such that the framing direction of the camera moves following the movement of the user's face position
  • the first motion mechanism 111 can be a pan/tilt or a multi-dimensional motion platform, and can perform a spherical rotation in a specific application scenario, such as an exhibition, in order to ensure that the images captured by the camera include the human eye of the user.
  • the user's line of sight is also changing, and the feature of the first motion mechanism 111 capable of spherical rotation can just make the camera 112 cover the changing line of sight of the user from multiple angles, and the user who follows the camera 112 is constantly Mobile.
  • the manner of determining the direction of the line of sight of the user may also be various.
  • the three-dimensional coordinate system of the fixed space where the item is located may be pre-built, and the item and image collection may be determined.
  • the coordinates of the device in the three-dimensional coordinate system, and determining the viewing direction of the image capturing device when the image capturing device acquires an image, according to the focal length of the image capturing device, the position of the human eye in the image, the viewing direction, and the image capturing device
  • the coordinates determine the position of the user's human eye, and then extract the pupil and flare information of the human eye from the image, and reconstruct the human visual axis (ie, the direction of the line of sight) according to the pupil and flare information of the human eye;
  • the user's line of sight direction can also be realized by a non-contact free-space line-of-sight tracking method by real-time face and eye positioning tracking, eye movement biometric information extraction, or the like, or using iris recognition based line of sight tracking.
  • the human body sees the principle of the object: the light reflected by the object, through the refraction of the human cornea, lens, vitreous, imaging on the retina, forming light stimulation, light stimulation through a series of physical and chemical changes, into a nerve impulse, by The optic nerve passes to the visual center of the cerebral cortex.
  • the method for identifying the item corresponding to the line of sight of the user may be various.
  • the image in the line of sight direction of the user may be collected by the movable camera, and the item is extracted from the image.
  • the fixed space where the item is located may be pre-built into a 3D virtual space, and the item is constructed as a virtual item in the 3D virtual space, and the virtual item is determined according to the position of the item in the fixed space.
  • the virtual line of sight direction is constructed in the 3D virtual space, and the virtual item passing through the virtual line of sight direction is the item seen by the user.
  • the duration of the line of sight can be maintained by the user.
  • the process of determining the item of interest to the user according to the acquired line of sight direction is as follows: firstly, the holding time length in which the user keeps the line of sight direction is obtained, and then determining whether the holding time length is greater than the preset time length. If the threshold is greater than the duration threshold, the control unit will identify the item corresponding to the line of sight of the user and use the item as the item of interest to the user.
  • the control unit 13 will determine that the item of interest to the user is A, if the user stares at A The duration is less than or equal to the preset duration threshold, and the control unit 13 determines that the user does not care about A. After determining the item that the user is interested in, the projection is performed according to the item of interest of the user, so that the projected content is more in line with the user's needs, and the user experience is better. Further, when the hold duration is less than the preset duration threshold. Determining whether the item of interest to the user is previously determined, and if so, continuing to control the projector to project the display information corresponding to the previously determined item of interest to the user.
  • the position of the user's line of sight may correspond to a single item or different parts of the item.
  • the user may focus on the whole vehicle, and the corresponding display information may be the price of the automobile and the intrinsic performance parameter. Etc.; users can also pay attention to different parts of the car, for example, when the user mainly focuses on the front end of the car, it can project the performance of the engine parts such as the front end of the car or the design highlights of the front end of the car;
  • the information may be from the display information in the preset projection resource library of the information storage unit 16 and/or the Internet display information transmitted by the communication module 15 in real time; the projector 12 may directly display and display the area of the item of interest of the user as a projection area.
  • the virtual display combines the display effect; of course, the projection display can also be performed on the side of the item area.
  • the projector 12 can directly display the door as a projection area, or beside the door. The body part is projected.
  • the projection information can also be combined with the user's characteristic information during projection.
  • the process of the control unit 13 acquiring the display information corresponding to the item includes: Obtaining user characteristic information of the user, and extracting the backup information corresponding to the item from the preset projection resource library, and then extracting the user characteristic information from the standby information by using the feature information determining unit of the control unit 13
  • the associated information is presented as an impression.
  • the feature information of the user may include: age, gender, and the like.
  • the feature information of the user can also be obtained by identifying an image of the human eye information collected by the image acquisition unit.
  • the moving projection object display system further includes a second motion mechanism 14 connected to the control unit 13 while the projector 12 is connected. Installed in the second motion mechanism 14, the control unit 13 is configured to acquire the position of the article, and send a signal to the second motion mechanism 14 according to the position of the article, and the second motion mechanism 14 adjusts the projector 12 according to the movement signal.
  • the route is projected such that projector 12 projects the aforementioned display information at the location of the item.
  • the second motion mechanism 14 can also be a pan/tilt or multi-dimensional motion platform, and can perform a spherical rotation.
  • the second motion mechanism 14 can change the projection direction of the projector 12 by performing angular rotation. Therefore, the optimal line of sight direction of the user is consistent with the direction of the projection lens; in this embodiment, a plurality of projectors may be disposed in the fixed space where the article is located, and the plurality of projectors realize no dead angle projection on the fixed space, and the item is determined. After the position, the projector is determined according to the position of the item, and then projected by the determined projector.
  • the control unit 13 completes the determination of the foregoing items and the projection display process, and as the user's line of sight shifts, the camera 112 continues to track and collect images containing the user's human eye information, such as in an exhibition, the user pairs After an exhibit has been enjoyed for a while, it will divert the line of sight to view the next exhibit.
  • the control center 13 will receive the line of sight of the new human eye and the new acquisition will be performed.
  • the direction of the line of sight is compared with the direction of the line of sight before the user shifts the target, and the angle between the two is obtained, and it is determined whether the angle is less than or equal to the preset angle threshold, if the angle is less than or equal to the preset
  • the angle threshold keeps the item of interest of the user unchanged, and continues to control the projection to project the display information; if the angle is greater than the preset angle threshold, it is determined that the user keeps the newly acquired line of sight direction Whether the duration is greater than a preset duration threshold; if not, keeping the user's item of interest unchanged, and continuing to control the projection projection Information; if greater than, re-determining the item of interest to the user according to the newly acquired line of sight direction, and obtaining display information corresponding to the item of interest of the newly determined user, and controlling the projection of the projector to determine the re-determination
  • the Moving Projection Object Display System tracks operations in real time and projects display information that is not of interest to the user. For example, the user first pays attention to the item A, but inadvertently shifts the line of sight and blinks at the item B, and the angle between the line of sight of the point A and the line of sight of the point B is also greater than the preset angle threshold.
  • the control unit 13 Without determining the size of the time B of interest, the control unit 13 will assume that the user has no longer paid attention to A, but re-focused B, and it will project the display information corresponding to B through the projector 12, but The presentation information corresponding to B may not be what the user wants to see.
  • the setting of the preset angle threshold is also significant because it can prevent the user from inadvertently swinging the head or changing the direction of the line of sight during the process of locking the projected content of the target item.
  • the projected object display system assumes that the user has changed the object of interest, and will then stop the projection display corresponding to the target item, and then perform unnecessary steps such as line-of-sight tracking.
  • the moving projection object display system 100 further includes a communication module 15 connected to the control unit 13; the presentation information projected by the projector 12 may be a display in a preset projection resource library from the information storage unit 16.
  • the information may also be Internet display information transmitted in real time through the communication module 15; the display information is presented in the form of video, picture or text; for example, when the user is concerned with an item, the projector 12 may project the display control unit.
  • the extracted product introduction information from the information storage unit 16; the related Internet information pushed by the merchant via the communication module 15 may also be displayed, such as webpage links such as online evaluation or price advantage comparison.
  • control unit 13 may also run an operating system, such as an Android system or a Linux system or an IOS system; after setting the operating system, the software function may be conveniently extended; the system may also include a projection.
  • the correction unit 13 adjusts the projector 12 based on the image including the projection area acquired by the image acquisition unit 11. Specifically, the control unit 13 identifies the shape, color, relief, texture, and brightness of the projection area in the image including the projection area collected by the image acquisition unit 11, and the projection correction unit 132 adjusts the shape and color of the projected image of the projector 12. , lines and brightness, so that the advertising screen is distinguished from the projection area to improve the clarity of the projected image display. For example, when the projection area is white, the advertisement screen is selected from black, red, and the like, which are different from white. display.
  • the image of the human eye information of the user is collected and collected, and the direction of the line of sight of the user is determined according to the image, and the item of interest to the user is determined according to the direction of the line of sight, according to the item of interest of the user.
  • Projection so that when the user pays attention to the physical item, the user can also understand other information of the item through the projected content, realize the virtual and real combination of the physical item and the projected display information, and intuitively and effectively display the item, giving the user different visual enjoyment and entertainment. The effect is better for the user experience.
  • a method for displaying a motion projection includes:
  • Step S11 Tracking and collecting an image containing human eye information of the user.
  • the process of the tracking and collecting the image of the human eye information of the user is completed by the image collecting unit, and the implementation manner thereof is not limited.
  • the image is The collecting unit may include a plurality of cameras, and the plurality of cameras are distributed in a fixed space containing the articles, and the plurality of cameras perform no dead angle shooting on the fixed space.
  • the plurality of cameras can simultaneously collect the images of the user, and then An image containing the user's human eye (ie, a frontal image of the user) is extracted from the images acquired by the plurality of cameras.
  • the image acquisition unit may further be provided with a pan/tilt or a multi-dimensional motion platform, and the camera is mounted on the aforementioned pan/tilt or multi-dimensional platform, so that the framing direction of the camera moves along with the user's face position to ensure the camera.
  • the captured images contain the user's human eye.
  • Step S12 Determine the line of sight direction of the user according to the image.
  • the three-dimensional coordinate system of the fixed space where the article is located may be pre-built, and the coordinates of the article and the image capturing device in the three-dimensional coordinate system are determined, and the framing direction of the image capturing device is determined, when the image is collected.
  • the position of the user's human eye can be determined according to the focal length of the image capturing device, the position of the human eye in the image, the framing direction, and the coordinates of the image capturing device, and then the pupil of the human eye is extracted from the image.
  • the glare information reconstructs the human visual axis (ie, the line of sight direction) according to the pupil and radiance information of the human eye; in this embodiment, the user's gaze direction can also be tracked and eye-moved by real-time face and eye positioning.
  • the steps of biometric information extraction and the like implement a non-contact free-space line-of-sight tracking method, or adopt a line-of-sight tracking method based on iris recognition.
  • the specific method for determining the position direction of the user's line of sight by determining the line of sight and recognizing the user is not limited, and the image acquisition unit is used for image acquisition of the user, thereby realizing the line of sight of the user.
  • the method can be.
  • Step S13 determining an item of interest to the user according to the line of sight direction.
  • step S13 is performed in the following six steps, see FIG. 4:
  • Step S131 Acquire a retention duration in which the user keeps the line of sight direction unchanged
  • Step S132 determining whether the foregoing retention duration is greater than a preset duration threshold
  • Step S133 If yes, the control unit will identify the item corresponding to the direction of the user's line of sight and use the item as the item of interest to the user.
  • the control unit will determine that the item of interest to the user is A, and after determining the item of interest to the user, According to the item of interest of the user, the projected content is more in line with the user's needs, and the user experience is better.
  • Step S134 If not, further determining whether the item of interest to the user is previously determined;
  • Step S135 If yes, continue to control the projector to project the display information corresponding to the previously determined item of interest of the user;
  • Step S136 If it is determined to be none, no projection display is performed.
  • the control unit determines that the user does not pay attention to A, and it is possible that the user is watching the item of interest. For a long time, occasionally moving a head, at this time the line of sight just falls on A, if at this time, immediately jump to the content of projection A, but A is not the item that the user wants to pay attention to, it will give the user a bad experience.
  • Step S14 Acquire display information corresponding to the item.
  • the corresponding display information may be the price of the car, the intrinsic performance parameter, and the like; of course, the user may also pay attention to different parts of the car, for example, when the user mainly focuses on the car.
  • the display information may be related information such as the performance of the engine or the like of the front end of the automobile or the design highlight of the front end of the automobile; the related information may be from the display information and/or communication in the preset projection resource library of the information storage unit.
  • the module displays the Internet display information in real time.
  • step S14 may further include: acquiring user characteristic information of the user, extracting standby information corresponding to the item from a preset projection resource library, and extracting the information from the standby information.
  • the information associated with the user profile information is presented as a presentation.
  • the user characteristic information includes the age range, gender, and the like of the user.
  • Step S15 Control the projector to project the display information.
  • the display information when the display information is projected, the display information can be directly projected to the location of the item that the user is interested in, so that the physical item and the virtual information are displayed at the same position, and the user does not need to move the line of sight to view the display information;
  • the projection display can be performed on the side of the area where the item is located.
  • the projector when the user pays attention to the door of a car, the projector can directly display the door as a projection area, or can display the body part of the door next to the door.
  • the manner of projecting the display information to the item of interest of the user may also be various.
  • the projector may be installed on a pan/tilt or a multi-dimensional motion platform, and the pan/tilt or multi-dimensional motion platform may be rotated at an angle. Change the projection direction of the projector so that the user's best line of sight is consistent with the direction of the projection lens.
  • multiple projectors can be placed in the fixed space where the item is located. Multiple projectors have no dead angle projection on the fixed space. After determining the position of the item, the projector is determined according to the position of the item, and then projected by the determined projector.
  • an image of the human eye information including the user is first collected, and a line of sight direction of the user is determined according to the image, and an item of interest to the user is determined according to the line of sight direction, according to the user's attention.
  • the item is projected.

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Abstract

本申请提供了一种动向投影物体展示系统及其方法，其中，所述系统包括：投影仪；图像采集单元，其用于跟踪采集包含用户的人眼信息的图像；控制单元，其分别与投影仪和图像采集单元连接，所述控制单元用于根据所述图像，确定用户的视线方向，根据所述视线方向，确定所述用户所关注的物品，获取与所述物品相对应的展示信息，控制所述投影仪投影展示信息。本系统可动向采集追踪识别用户所关注的物品或者物品位置角度方向，实时地改变投影镜头的方向进行展示信息投影显示，实体物品与投影展示信息虚实结合，直观有效的进行物品展示，可应用在商场/展览会/博物馆等多种场合，给予用户不同的视觉享受和娱乐效果。

Description

一种动向投影物体展示系统及其方法
相关申请的交叉参考
本申请要求于2017年09月01日提交中国专利局、申请号为201710780190.7、发明名称为“一种动向投影物体展示系统及其方法”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
本申请涉及数字投影显示技术领域，更具体地说，涉及一种动向投影物体展示系统及其方法。
背景技术
目前，很多商场的产品或者博物馆的物品展示大多是以实物展示为主，这种实物展示方式一方面要求提供足够的产品和/或物品陈列空间进行展示，进而导致产品展示的成本大幅上升；另一方面通常需要花费大量的人力去给顾客和/或参观者进行产品和/或物品讲解，讲解不够全面专业且人力成本较高。
市场上，虽然有些商家在以实物展示的同时，也在利用一些大尺寸的多媒体设备(例如，大尺寸壁挂式液晶显示屏)进行产品的影像展示，这种方式虽然一定程度上弥补了实物展示的不足，但这种大尺寸的多媒体设备通常价格较高，且只能进行特定影像的有序显示，不能及时有效地投影展示用户所关注的物品信息。
发明内容
针对上述技术问题，本申请的目的在于提供一种动向投影物体展示系统及其方法，实现根据用户关注的物品进行投影，用户体验更好。
为实现上述目的，本申请实施例提供了一种动向投影物体展示系统，包括:
投影仪；
图像采集单元，用于跟踪采集包含用户的人眼信息的图像；
控制单元，分别与投影仪和图像采集单元连接，所述控制单元用于根据所述图像，确定用户的视线方向，根据所述视线方向，确定所述用户所关注的物品，获取与所述物品相对应的展示信息，控制所述投影仪投影展示信息。
可选地，所述控制单元根据所述视线方向，确定所述用户所关注的物品包括：
获取所述用户保持所述视线方向不变的保持时长；
判断所述保持时长是否大于所述预设时长阈值；
若是，则识别位于所述用户的视线方向上所对应的物品，将所述物品作为所述用户所关注的物品。
可选地，所述控制单元还用于：
当判断到保持时长小于或者等于所述预设时长阈值时，判断先前是否确定有所述用户所关注的物品，若确定有，继续控制所述投影仪投影先前所确定的所述用户所关注的物品相对应的展示信息。
可选地，所述控制单元获取与所述物品相对应的展示信息包括：
获取所述用户的用户特征信息；
从预设投影资源库提取与所述物品相对应的备用信息；
从所述备用信息中提取与所述用户特征信息相关联的信息作为展示。
可选地，所述图像采集单元包括第一运动机构和摄像头；所述摄像头设置于所述第一运动机构上，所述第一运动机构用于控制所述摄像头的取景方向；
所述摄像头和第一运动机构均与所述控制单元连接，所述控制单元还用于通过第一运动机构控制所述摄像头的取景方向，以使所述摄像头的取景方向跟随用户的面部位置移动而移动。
可选地，所述动向投影物体展示系统还包括：第二运动机构；
所述投影仪设置于所述第二运动机构上；
所述控制单元还用于获取物品的位置，并且根据所述物品的位置向所述第二运动机构发送移动信号；
所述第二运动机构用于根据移动信号调节所述投影仪的投影方向，以使所述投影仪在所述物品所在位置投影所述展示信息。
可选地，所述动向投影物体展示系统还包括通信模块；
所述通信模块与所述控制单元连接。
本申请实施例还提供了一种动向投影物体展示方法，所述方法包括：
跟踪采集包含用户的人眼信息的图像；
根据所述图像，确定用户的视线方向；
根据所述视线方向，确定所述用户所关注的物品；
获取与所述物品相对应的展示信息；
控制投影仪投影所述展示信息。
可选地，所述根据所述视线方向，确定所述用户所关注的物品包括：
获取所述用户保持所述视线方向不变的保持时长；
判断所述保持时长是否大于所述预设时长阈值；
若是，则识别位于所述用户的视线方向上所对应的物品，将所述物品作为所述用户所关注的物品。
可选地，所述方法还包括：若否，判断先前是否确定有所述用户所关注的物品；若确定有，继续控制所述投影仪投影先前所确定的所述用户所关注的物品相对应的展示信息。
可选地，获取与所述物品相对应的展示信息包括：
获取所述用户的用户特征信息；
从预设投影资源库提取与所述物品相对应的备用信息；
从所述备用信息中提取与所述用户特征信息相关联的信息作为展示。
本申请实施例的有益效果是：区别于现有技术的情况下，本申请实施例跟踪采集包含用户的人眼信息的图像，根据所述图像，确定用户的视线方向，根据所述视线方向，确定所述用户所关注的物品，根据用户所关注的物品进行投影，使得用户在关注实体的物品的同时，还可以通过投影的内容了解物品的其它信息，实现实体物品与投影展示信息虚实结合，直观有效的进行物品展示，给予用户不同的视觉享受和娱乐效果，用户体验更好。
附图说明
图1是本申请一实施例提供的动向投影物体展示系统的结构示意图；
图2是本申请另一实施例提供的动向投影物体展示系统的结构示意图；
图3是本申请实施例提供的一种动向投影物体展示方法的流程图；
图4是图3中S13的具体流程图。
具体实施方式
下面结合附图，对本申请的具体实施方式进行详细描述，但应当理解本申请的保护范围并不受具体实施方式的限制。
除非另有其它明确表示，否则在整个说明书和权利要求书中，术语“包括”或其变换如“包含”或“包括有”等等将被理解为包括所陈述的元件或组成部分，而并未排除其它元件或其它组成部分。
请参见图1，本实施例提供了一种动向投影物体展示系统100,其包括图像采集单元11、投影仪12及控制单元13，前述控制单元13分别与投影仪12和图像采集单元11连接。
图像采集单元11用于跟踪采集包含用户的人眼信息的图像，控制单元13用于根据所述采集到的图像来确定用户的视线方向，再根据所述视线方向确定所述用户所关注的物品，获取与所述物品相对应的展示信息，控制所述投影仪12投影所述展示信息。本系统可以在用户关注的一物品时，对用户关注的物品的展示信息进行投影，使得用户在关注实体的物品的同时，还可以通过投影的内容了解物品的其它信息，实现实体物品与投影展示信息的虚实结合，给予用户不同的视觉享受和娱乐效果，用户体验更好。
图像采集单元11跟踪采集包含用户的人眼信息的图像的实现方式包括多种，本申请不作限定,例如：在本实施例中，图像采集单元11可以包括多个摄像头，多个摄像头分布于包含物品的固定空间，多个摄像头对该固定空间进行无死角拍摄，当用户进入该固定空间，多个摄像头可以同时采集用户的图像，再从多个摄像头所采集的图像中提取包含用户人眼的图像(即为用户的正面图像)；在本实施例中，如图2所示，图像采集单元图像采集单元11还可以包括第一运动机构111和摄像头112，所述摄像头112安装于所述第一运动机构111上，所述 第一运动机构111用于控制所述摄像头112的取景方向，所述摄像头112和第一运动机构111均与控制单元13连接，所述控制单元13通过第一运动机构控制所述摄像头的取景方向，以使所述摄像头的取景方向跟随用户的面部位置移动而移动，以保证摄像头所拍摄的图像均包含用户的人眼，在本实施例中，第一运动机构111可以为云台或多维运动台，且能够进行球面式转动，在具体的应用场景中，例如展览会，用户视线也是处于变化中的，而第一运动机构111的能够进行球面式转动的特点正好可以使摄像头112多角度的覆盖到这些用户变化的视线，实现摄像头112所跟随的用户是在不断移动的。
根据采集到包含用户人眼的图像，确定用户的视线方向的方式也可以有多种，例如：在本实施例中，可以预先构建物品所在的固定空间的三维坐标系，并且确定物品和图像采集装置在该三维坐标系统中的坐标，并且确定图像采集装置的取景方向，当图像采集装置采集到图像时，可以根据图像采集装置的焦距、人眼在图像中的位置、取景方向和图像采集装置的坐标，确定用户人眼所在的位置，然后再从图像中提取人眼的瞳孔和耀点信息，根据人眼的瞳孔和耀点信息重构出人的视线轴(即为视线方向)；在本实施例中，用户的视线方向也可以通过实时人脸及眼睛定位跟踪、眼动生物特征信息提取等步骤实现非接触式的自由空间视线跟踪方法实现，或者，采用基于虹膜识别的视线跟踪定位方法实现。
由于人体看到物品的原理是：由物品反射的光线，透过人体角膜、晶状体、玻璃体的折射，在视网膜上成像，形成光刺激，光刺激经过一系列的理化变化，转化成神经冲动，由视神经传到大脑皮层的视觉中枢，此时我们就可以看见物体，而只有在人体视线方向的物品所反射的光能才进入人体角膜，因此，可以通过可以识别在人体的视线方向所存在的物品，来确定人体看到的物品。而识别位于所述用户的视线方向上所对应的物品的方式也可以有多种，在本实施例中，可以通过可移动摄像头采集用户的视线方向上图像，再从图像中提取物品，该物品即为用户看到的物品；在另一些实施例中，也可以预先将物品所在的固定空间构建为3D虚拟空间，物品在3D虚拟空间构建为虚拟物品，并按物品在固定空间的位置确定虚拟物品在3D虚拟空间的位置，当确定用户的视线方向之后，在3D虚拟空间构建虚拟视线方向，虚拟视线方向所经过的虚拟物品即为用 户所看到的物品。
由于当人们关注某一物品时，说明人们对该物品感兴趣，人们会盯着该物品，人们的视线不会发变化，因此，在确定用户关注的物品时，可以通过用户保持视线方向的时长来确定，具体的，根据所获取到的视线方向来确定用户所关注的物品的过程为：首先获取用户保持视线方向不变的保持时长，然后判断所述保持时长是否大于所述预设的时长阀值，若大于所述时长阀值，控制单元将识别位于所述用户的视线方向上所对应的物品，并将所述物品作为该用户所关注的物品。例如，在展览会中，用户盯着展品A看，并保持了一定的时长，这个保持时长如果大于预设时长阀值，控制单元13将判定用户关注的物品就是A，如果用户盯着A看的时长小于或者等于预设时长阀值，控制单元13确定用户并不关注A。在确定用户关注的物品之后，根据用户关注的物品进行投影，使得投影的内容更符合用户的需求，用户体验更好。当保持时长小于所述预设的时长阀值时，进一步。判断先前是否确定有所述用户所关注的物品，若确定有，继续控制所述投影仪投影先前所确定的所述用户所关注的物品相对应的展示信息。
值得说明的是：用户视线所关注位置方向所对应的可以是单一物品或者物品的不同部位，以汽车为例，用户关注的可以是汽车整体，对应的展示信息可以是汽车的价格、内在性能参数等等；用户关注的也可以是汽车的不同部位，例如当用户主要关注点在汽车的前端时可投影展示汽车前端涉及的发动机等零部件性能或者汽车前端外观设计亮点等相关信息；所述相关信息可以来自信息存储单元16的预设投影资源库中的展示信息和/或通信模块15实时传输的互联网展示信息；投影仪12可直接以用户关注的物品所在区域为投影区域进行投影展示，实现虚拟显示结合的展示效果；当然也可以在物品所在区域一侧进行投影显示，例如，用户在关注一汽车的车门时，投影仪12可将车门直接作为投影区域进行投影展示，也可以在车门旁的车身部分进行投影展示。
进一步的，由于不同用户对同一物品的关注焦点是不相同的，例如：当被关注的物品是汽车时，若用户是女性用户，则女性用户关注汽车的外观参数，若用户是男性用户，则男性用户更关注汽车的车动力及制动等参数，因此，在投影时还可以结合用户的特征信息进行投影，具体的，控制单元13获取与所述 物品相对应的展示信息的过程包括：首先获取用户的用户特征信息，再从预设投影资源库中提取与所述物品相对应的备用信息，进而通过控制单元13的特征信息判断单元再从所述备用信息中提取与所述用户特征信息相关联的信息作为展示。在本实施例中，用户的特征信息可以包括：年龄段、性别等信息。而用户的特征信息还可以通过对图像采集单元采集的包含用户的人眼信息的图像进行识别得到的。
在对展示信息进行投影时，可以直接将展示信息投影到用户所关注的物品所在位置，实现实体物品和虚拟信息在同一位置展示，用户不需要移动视线即可观看展示信息。而实现将展示信息投影到用户关注的物品的方式也可以多种，例如：在本实施例中，动向投影物体展示系统还包括第二运动机构14，其与控制单元13连接，同时投影仪12安装于第二运动机构14，控制单元13用于获取物品的位置，并且根据物品的位置向第二运动机构14发送信号，第二运动机构14则根据所述移动信号调节所述投影仪12的投影路线，以使投影仪12在物品所在的位置投影前述的展示信息。其中，第二运动机构14同样可以为云台或多维运动台，且能够进行球面式转动，在进行投影时，第二运动机构14可以通过进行角度转动来改变所述投影仪12的投影方向，从而使用户的最佳视线方向与投影镜头方向一致；在本实施例中，也可以在物品所在的固定空间中设置多个投影仪，多个投影仪实现对固定空间无死角投影，在确定物品的位置之后，根据物品的位置确定投影仪，再通过所确定的投影仪进行投影。
需要说明的是：控制单元13完成前述物品的确定以及投影展示过程后，并且随着用户视线的转移，摄像头112会继续跟踪采集包含用户的人眼信息的图像，比如在展览会中，用户对一件展品花上一段时间欣赏后，将转移视线浏览下一件展品，当用户转移目标时(视线方向变化)，控制中心13将接收到新的人眼的视线方向，并将所述新采集的视线方向与用户转移目标前的视线方向作比较，得出二者之间的夹角，同时判断所述夹角是否小于或等于预设角度阀值，若所述夹角小于或等于预设角度阈值，则保持所述用户的关注的物品不变，并且继续控制所述投影义投影所述展示信息；若所述夹角大于预设角度阈值，则判断用户保持新采集的视线方向的保持时长是否大于预设时长阈值；若否，则保持所述用户的关注的物品不变，并且继续控制所述投影义投影所述展示信 息；若大于，则根据新采集的视线方向，重新确定所述用户所关注的物品，并且获取重新确定的用户所关注的物品相对应的展示信息，以及控制所述投影仪投影所述重新确定的用户所关注的物品相对应的展示信息。
在本实施例中，当用户视线改变后所关注的时间在预设时间阈值或者预设时间区间内时，代表用户锁定关注视线改变前的物品，这样可以避免用户在选择关注物品的过程中，动向投影物体展示系统会实时跟踪操作，并投影显示用户不感兴趣的展示信息。例如，用户开先关注的是物品A，然而不经意间视线转移瞥了一眼物品B，且观注A的视线与观注B的视线之间的角度也大于预设角度阀值，此时，若不对其关注B的时间大小进行判定，控制单元13将会认为用户已经不再关注A，而是重新关注了B，并且其会通过投影仪12来投影与B相对应的展示信息，但是，所述与B相对应的展示信息可能并不是用户想看到的。另外，在本实施例中，预设角度阀值的设立也是很有意义的，因为这样可以避免用户在锁定目标物品投影内容的过程中因不经意轻微摆动头部或者改变视线方向时，所述动向投影物体展示系统即认为用户已经改变了关注对象，随即也将停止与目标物品相对应的投影展示，进而还会进行视线追踪等不必要的步骤。
在本实施例中，动向投影物体展示系统100还包括通信模块15其与控制单元13相连接；所述投影仪12投影的展示信息可以是来自信息存储单元16的预设投影资源库中的展示信息，也可以是通过通信模块15实时传输的互联网展示信息；所述展示信息以视频、图片或文字的方式呈现；例如：当用户关注的是一件商品时，投影仪12可以投影显示控制单元13提取的来自信息存储单元16的产品介绍信息；也可以显示商家借助通信模块15推送的相关互联网信息，类如网上评价或者价格优势对比等网页链接。
需要说明的是：在本实施例中，控制单元13还可以运行有操作系统，例如:安卓系统或者Linux系统或IOS系统；设置操作系统后，可以方便扩展软件功能；所述系统还可以包含投影校正单元，控制单元13根据图像采集单元11采集到的包含投影区域的图像来调整投影仪12。具体地，控制单元13识别图像采集单元11所采集到的包含投影区域的图像中投影区域的形状、颜色、凹凸、纹理和亮度，投影校正单元132再调整投影仪12所投影画面的形状、颜色、线条和亮度，以使广告画面与投影区域区别开来，以提高投影画面显示的清晰度， 例如：投影区域为白色时，则广告画面选择黑色、红色等等其他与白色有区别的颜色进行显示。
在本申请实施例中，跟踪采集包含用户的人眼信息的图像，根据所述图像，确定用户的视线方向，根据所述视线方向，确定所述用户所关注的物品，根据用户所关注的物品进行投影，使得用户在关注实体的物品的同时，还可以通过投影的内容了解物品的其它信息，实现实体物品与投影展示信息虚实结合，直观有效的进行物品展示，给予用户不同的视觉享受和娱乐效果，用户体验更好。
请参见图3，为本申请的另一实施例提供的一种动向投影展示方法，其包括：
步骤S11:跟踪采集包含用户的人眼信息的图像。
在本实施例中，由图像采集单元来完成所述跟踪采集包含用户的人眼信息的图像的过程，其实现方式包括多种，本申请实施例不作限定,例如：在本实施例中，图像采集单元可以包括多个摄像头，多个摄像头分布于包含物品的固定空间，多个摄像头对该固定空间进行无死角拍摄，当用户进入该固定空间，多个摄像头可以同时采集用户的图像，再从多个摄像头所采集的图像中提取包含用户人眼的图像(即为用户的正面图像)。另外，图像采集单元还可以设置有云台或者多维运动平台，并将摄像头安装于前述云台或多维平台上，以使所述摄像头的取景方向跟随用户的面部位置移动而移动，以保证摄像头所拍摄的图像均包含用户的人眼。
步骤S12:根据所述图像，确定用户的视线方向。
具体地，在本实施例中，可以预先构建物品所在的固定空间的三维坐标系，并且确定物品和图像采集装置在该三维坐标系统中的坐标，并且确定图像采集装置的取景方向，当图像采集装置采集到图像时，可以根据图像采集装置的焦距、人眼在图像中的位置、取景方向和图像采集装置的坐标，确定用户人眼所在的位置，然后再从图像中提取人眼的瞳孔和耀点信息，根据人眼的瞳孔和耀点信息重构出人的视线轴(即为视线方向)；在本实施例中，用户的视线方向也可以通过实时人脸及眼睛定位跟踪、眼动生物特征信息提取等步骤实现非接触式的自由空间视线跟踪方法实现，或者，采用基于虹膜识别的视线跟踪定位方法实现。
值得注意的是，本申请中，并不限定对用户进行视线跟踪识别，确定用户视线所关注的位置方向所用的具体方法，凡是利用图像采集单元来进行用户图像采集，进而实现用户视线方向识别的方法均可。
步骤S13:根据所述视线方向，确定所述用户所关注的物品。
具体地，当人们关注某一物品时，说明人们对该物品感兴趣，人们会盯着该物品，人们的视线不会发变化，因此，在确定用户关注的物品时，可以通过用户保持视线方向的时长来确定。进一步地，步骤S13分以下6个步骤进行,参见图4：
步骤S131:获取用户保持所述视线方向不变的保持时长；
步骤S132：判断前述保持时长是否大于预设的时长阀值；
步骤S133：若是，控制单元将识别位于所述用户的视线方向上所对应的物品，并将所述物品作为所述用户所关注的物品。
例如，在展览会中，用户盯着展品A看，并保持了一定的时长，这个保持时长如果大于预设时长阀值，控制单元将判定用户关注的物品就是A，确定用户关注的物品之后，根据用户关注的物品进行投影，使得投影的内容更符合用户的需求，用户体验更好。
步骤S134:若否，进一步判断先前是否确定有所述用户所关注的物品；
步骤S135：若确定有，继续控制所述投影仪投影先前所确定的所述用户所关注的物品相对应的展示信息；
步骤S136：若确定无，则不做投影展示。
继续以上述用户在展览会为例进行说明，如果用户盯着A看的时长小于或者等于预设时长阀值，控制单元确定用户并不关注A，有可能是用户在观看其所关注的物品太久了，偶尔动一头部，此时视线正好落在A,若此时，马上跳转投影A的内容，但是A不是用户想关注的物品，会给用户不好体验。
步骤S14:获取与所述物品相对应的展示信息。
具体地，例如，所述物品为汽车，则对应的展示信息可以是汽车的价格、内在性能参数等等；当然，用户关注的也可以是汽车的不同部位，例如当用户主要关注点在汽车的前端时，展示信息可为汽车前端所涉及的发动机等零部件性能或者汽车前端外观设计亮点等相关信息；所述相关信息可以来自信息存储 单元的预设投影资源库中的展示信息和/或通信模块实时传输的互联网展示信息。
进一步，由于不同用户对同一物品的关注焦点是不一样的，因此，获取与物品相关联的展示信息时还可以根据用户的用户特征信息进行获取，以使获取到的展示信息更符合用户的需求，用户体验更好，具体的，步骤S14又可以包括：获取所述用户的用户特征信息，从预设投影资源库提取与所述物品相对应的备用信息，从所述备用信息中提取与所述用户特征信息相关联的信息作为展示。
可以理解的是:用户特征信息包括用户的年龄段、性别等等。
步骤S15:控制投影仪投影展示信息。
具体地，在对展示信息进行投影时，可以直接将展示信息投影到用户所关注的物品所在位置，实现实体物品和虚拟信息在同一位置展示，用户不需要移动视线即可观看展示信息；当然也可以在物品所在区域一侧进行投影显示，例如，用户在关注一汽车的车门时，投影仪可将车门直接作为投影区域进行投影展示，也可以在车门旁的车身部分进行投影展示。在本实施例中，实现将展示信息投影到用户关注的物品的方式也可以多种，例如：投影仪可安装在云台或多维运动平台上，前述云台或多维运动平台可以进行角度转动来改变投影仪的投影方向，从而使用户的最佳视线方向与投影镜头方向一致；另外，也可以在物品所在的固定空间中设置多个投影仪，多个投影仪实现对固定空间没无死角投影，在确定物品的位置之后，根据物品的位置确定投影仪，再通过所确定的投影仪进行投影。
在本申请实施例中，先跟踪采集包含用户的人眼信息的图像，根据所述图像，确定用户的视线方向，根据所述视线方向，确定所述用户所关注的物品，根据用户所关注的物品进行投影。通过前述方法的实现，用户在关注实体的物品的同时，还可以通过投影的内容了解物品的其它信息，并且实体物品与投影展示信息虚实结合后，更能直观有效的进行物品展示，用户也能同时体验不同的视觉享受和娱乐效果，体验也更好。
前述对本申请的具体示例性实施方案的描述是为了说明和例证的目的。这 些描述并非想将本申请限定为所公开的精确形式，并且很显然，根据上述教导，可以进行很多改变和变化。对示例性实施例进行选择和描述的目的在于解释本申请的特定原理及其实际应用，从而使得本领域的技术人员能够实现并利用本申请的各种不同的示例性实施方案以及各种不同的选择和改变。本申请的范围意在由权利要求书及其等同形式所限定。

Claims (11)

  1. 一种动向投影物体展示系统，其特征在于，包括:
    投影仪；
    图像采集单元，用于跟踪采集包含用户的人眼信息的图像；
    控制单元，分别与投影仪和图像采集单元连接，所述控制单元用于根据所述图像，确定用户的视线方向，根据所述视线方向，确定所述用户所关注的物品，获取与所述物品相对应的展示信息，控制所述投影仪投影展示信息。
  2. 根据权利要求1所述的动向投影物体展示系统，其特征在于，
    所述控制单元根据所述视线方向，确定所述用户所关注的物品包括：
    获取所述用户保持所述视线方向不变的保持时长；
    判断所述保持时长是否大于所述预设时长阈值；
    若是，则识别位于所述用户的视线方向上所对应的物品，将所述物品作为所述用户所关注的物品。
  3. 根据权利要求2所述的动向投影物体展示系统，其特征在于，
    所述控制单元还用于：
    当判断到保持时长小于或者等于所述预设时长阈值时，判断先前是否确定有所述用户所关注的物品，若确定有，继续控制所述投影仪投影先前所确定的所述用户所关注的物品相对应的展示信息。
  4. 根据权利要求1所述的动向投影物体展示系统，其特征在于，
    所述控制单元获取与所述物品相对应的展示信息包括：
    获取所述用户的用户特征信息；
    从预设投影资源库提取与所述物品相对应的备用信息；
    从所述备用信息中提取与所述用户特征信息相关联的信息作为展示。
  5. 根据权利要求1所述的动向投影物体展示系统，其特征在于，
    所述图像采集单元包括第一运动机构和摄像头；所述摄像头设置于所述第 一运动机构上，所述第一运动机构用于控制所述摄像头的取景方向；
    所述摄像头和第一运动机构均与所述控制单元连接，所述控制单元还用于通过第一运动机构控制所述摄像头的取景方向，以使所述摄像头的取景方向跟随用户的面部位置移动而移动。
  6. 根据权利要求1所述的动向投影物体展示系统，其特征在于，所述动向投影物体展示系统还包括：第二运动机构；
    所述投影仪设置于所述第二运动机构上；
    所述控制单元还用于获取物品的位置，并且根据所述物品的位置向所述第二运动机构发送移动信号；
    所述第二运动机构用于根据移动信号调节所述投影仪的投影方向，以使所述投影仪在所述物品所在位置投影所述展示信息。
  7. 根据权利要求1所述的动向投影物体展示系统，其特征在于，所述动向投影物体展示系统还包括通信模块；
    所述通信模块与所述控制单元连接。
  8. 一种动向投影展示方法，其特征在于，所述方法包括：
    跟踪采集包含用户的人眼信息的图像；
    根据所述图像，确定用户的视线方向；
    根据所述视线方向，确定所述用户所关注的物品；
    获取与所述物品相对应的展示信息；
    控制投影仪投影所述展示信息。
  9. 根据权利要求8所述的动向投影展示方法，其特征在于，
    所述根据所述视线方向，确定所述用户所关注的物品包括：
    获取所述用户保持所述视线方向不变的保持时长；
    判断所述保持时长是否大于所述预设时长阈值；
    若是，则识别位于所述用户的视线方向上所对应的物品，将所述物品作为 所述用户所关注的物品。
  10. 根据权利要求9所述的动向投影展示方法，其特征在于，所述方法还包括：
    若否，判断先前是否确定有所述用户所关注的物品；
    若确定有，继续控制所述投影仪投影先前所确定的所述用户所关注的物品相对应的展示信息。
  11. 根据权利要求8所述的动向投影展示方法，其特征在于，获取与所述物品相对应的展示信息包括：
    获取所述用户的用户特征信息；
    从预设投影资源库提取与所述物品相对应的备用信息；
    从所述备用信息中提取与所述用户特征信息相关联的信息作为展示。
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