WO2014094552A1 - 投影仪和摄像机交互的方法及系统 - Google Patents

投影仪和摄像机交互的方法及系统 Download PDF

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Publication number
WO2014094552A1
WO2014094552A1 PCT/CN2013/088766 CN2013088766W WO2014094552A1 WO 2014094552 A1 WO2014094552 A1 WO 2014094552A1 CN 2013088766 W CN2013088766 W CN 2013088766W WO 2014094552 A1 WO2014094552 A1 WO 2014094552A1
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Prior art keywords
optical axis
camera
projector
lens
infrared
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PCT/CN2013/088766
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English (en)
French (fr)
Inventor
姚健
陈珂
付荣耀
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Priority to US14/385,400 priority Critical patent/US20150331481A1/en
Priority to DE112013001696.6T priority patent/DE112013001696T5/de
Publication of WO2014094552A1 publication Critical patent/WO2014094552A1/zh
Anticipated expiration legal-status Critical
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/48Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/54Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector

Definitions

  • Projector - The camera interaction system is a flexible interactive system.
  • the human body posture acquired by the camera is used as an interactive input
  • the projection content of the projector is used as an interactive content, for example: when performing a picture display, a projection surface is projected on the wall surface by the projector. Displaying a picture on the projection surface; acquiring a human body posture by the camera, processing the displayed picture according to the acquired human body posture (for example, enlarging a picture, switching a picture, etc.), and displaying the processing result on the projection surface.
  • debugging is required, and the dynamic calibration must be performed according to the distance between the projector and the projection surface during debugging.
  • the calibration process of the projector and the camera is cumbersome.
  • Embodiments of the present invention provide a method and system for interacting a projector and a camera, which can solve the technical problem that the calibration process of the projector and the camera is cumbersome in the prior art.
  • an embodiment of the present invention provides a method for interacting a projector and a camera, the method comprising:
  • the camera is an infrared camera
  • a first optical axis of the projector and a second optical axis of the camera Determining a first optical axis of the projector and a second optical axis of the camera, the first optical axis being a visible light axis projected by the projector, and the second optical axis being an infrared acquired by the camera a light axis; a first lens is disposed at an intersection of the first optical axis and the second optical axis to process the first optical axis and the second optical axis such that the first light processed by the first lens The axis coincides with the second optical axis.
  • an embodiment of the present invention further provides a system for interacting a projector and a camera, including a projector, a camera, and a first lens, wherein the camera is an infrared camera:
  • the projector and the camera are fixed in position, the projector and the camera are relatively stationary; the projector determines a first optical axis, and the first optical axis is a visible light axis projected by the projector;
  • the camera determines a second optical axis, and the second optical axis is an infrared light axis captured by the camera;
  • the first lens is located at an intersection of the first optical axis and the second optical axis for processing the first optical axis and the second optical axis such that a first optical axis passes through the first lens It coincides with the second optical axis.
  • a method and system for interacting a projector and a camera according to an embodiment of the present invention, the projector and the camera are fixed, and the first lens is disposed at an intersection of the first optical axis of the projector and the second optical axis of the camera, so that the The first optical axis and the second optical axis are coincident after the first lens.
  • the projection surface of the projector and the camera can be ensured regardless of the distance between the projector and the projection surface.
  • FIG. 1 is a schematic flowchart of a method for interacting a projector and a camera according to Embodiment 1 of the present invention
  • 2 is a schematic flowchart of a method for interacting a projector and a camera according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic diagram of a projector-camera interaction system according to Embodiment 2 of the present invention
  • Embodiments of the present invention provide a method for interacting a projector and a camera. As shown in FIG. 1, the method includes steps 101-103.
  • a method for interacting a projector and a camera the projector and the camera are fixed, and the first lens is disposed at an intersection of a first optical axis of the projector and a second optical axis of the camera, so that the first An optical axis and the second optical axis are coincident after the first lens.
  • the projection surface of the projector can be ensured to coincide with the imaging surface of the camera without re-writing. Calibration, the ability to greatly reduce the use of the projector-camera interactive system.
  • the embodiment of the present invention provides a method for interacting a projector and a camera. As shown in FIG. 2, the method includes steps 201-206.
  • the camera in this embodiment may be an infrared camera. In practical applications, the camera in this embodiment may be a camera of any infrared band.
  • the user needs to perform initial debugging on the position of the projector and the camera. After the debugging is completed, the position of the projector and the camera are fixed, and subsequent debugging is not required.
  • the first optical axis is a visible light axis projected by the projector, and the second optical axis is an infrared optical axis acquired by the camera.
  • the first optical axis in this embodiment is the central axis of the visual projection body projected by the projector
  • the second optical axis is the central axis of the viewing cone collected by the camera. 204. Determine an angle between the first optical axis and the second optical axis, and configure an infrared reflective lens at a midline position of the included angle.
  • the infrared reflecting lens is the first lens in the embodiment, and the infrared reflecting lens is used for achieving total reflection of infrared light and achieving full transmission of visible light.
  • the embodiment of the present invention provides a schematic diagram of a projector-camera interaction system by taking a typical case where the projector and the camera are perpendicular to each other.
  • the first optical axis of the projector 1 is
  • the second optical axes of the camera 2 are perpendicular to each other, and the infrared reflecting mirror 3 is disposed at a midline position of the angle between the projector 1 and the camera 2; the visible light 11 transmitted by the projector 1 passes through the infrared emitting lens 3 to be totally transmitted, and the camera 2 collects
  • the infrared light 21 is collected after total reflection by the infrared emitting lens 3.
  • the visible light 11 transmitted by the projector 1 and the infrared light 21 collected by the camera 2 are completely coincident, and it is ensured that the projection surface of the projector coincides with the photographing surface of the camera. Therefore, no matter how the distance between the projector and the projection surface changes, there is no need to calibrate the projector and camera.
  • the camera collects a user's human body posture through the infrared reflective lens, and processes the content transmitted by the projector according to the acquired human body posture.
  • the infrared emitting lens in step 204 can be replaced by an infrared transmitting lens, which realizes full transmission of infrared light and total reflection of visible light.
  • Step 205 is replaced by: total reflection of the first optical axis by the infrared transmissive lens, total transmission of the second optical axis, such that a second optical axis transmitted through the infrared transmissive lens and the The first optical axes coincide.
  • the alternative provided above is an alternative solution. Compared with steps 205-206, the only difference is that the infrared transmission lens is used as the first lens, and the implementation principle is the same as that of the infrared reflection lens. Narration.
  • the viewing angle of the camera may be set to be larger than the viewing angle of the projector such that the shooting range of the camera in the same plane is larger than the projection range of the projector, thereby ensuring a sufficiently large interactive range for user convenience.
  • a method for interacting a projector and a camera the projector and the camera are fixed, and the first lens is disposed at an intersection of a first optical axis of the projector and a second optical axis of the camera, so that the first An optical axis and the second optical axis are coincident after the first lens.
  • the projection surface of the projector and the camera can be ensured regardless of the distance between the projector and the projection surface.
  • the embodiment of the present invention provides a system for interacting between a projector and a camera, which can implement the foregoing method embodiment.
  • the system includes a projector 41, a camera 42 and a first lens 43.
  • Camera 42 is an infrared camera, where:
  • the positions of the projector 41 and the camera 42 are fixed, and the projector 41 and the camera 42 are relatively stationary;
  • the projector 41 determines a first optical axis, the first optical axis being a visible optical axis projected by the projector 41;
  • the camera 42 determines a second optical axis, and the second optical axis is an infrared acquired by the camera 42 Light axis
  • the first lens 43 is located at an intersection of the first optical axis and the second optical axis for processing the first optical axis and the second optical axis such that the first lens processing is performed
  • the optical axis coincides with the second optical axis.
  • the projector 41 and the camera 42 can be placed opposite each other such that the lens end of the projector 41 is adjacent to the camera end of the camera 42 and the angle between the projector 41 and the camera 42 is greater than 0 degrees. Less than 180 degrees.
  • the first lens 43 may be an infrared reflecting lens that achieves total reflection of infrared light and complete transmission of visible light.
  • the infrared reflecting lens is located at an intermediate position between the first optical axis and the second optical axis, and is used for performing full transmission on the first optical axis, and performing full on the second optical axis. Reflecting such that a first optical axis transmitted through the infrared reflecting lens coincides with the second optical axis.
  • the first lens 43 may be an infrared transmission lens that achieves full transmission of infrared light and total reflection of visible light.
  • the infrared transmitting lens is located at a center line position of an angle between the first optical axis and the second optical axis, and is used for total reflection of the first optical axis, and the entire optical axis is completely Transmitted such that a second optical axis transmitted through the infrared transmissive lens coincides with the first optical axis.
  • the viewing angle of the camera 42 can be set to be larger than the viewing angle of the projector 41, so that the shooting range of the camera is larger than the projection range of the projector in the same plane, thereby ensuring a sufficiently large interaction range, which is convenient for the user to use. .
  • a system for interacting a projector and a camera the projector and the camera are fixed, and the first lens is disposed at an intersection of the first optical axis of the projector and the second optical axis of the camera.
  • the first optical axis and the second optical axis are coincident after passing through the first lens.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course, can also be through hardware, but in many cases the former is a better implementation. .
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • a hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Projection Apparatus (AREA)
  • Studio Devices (AREA)

Abstract

一种投影仪和摄像机交互的方法及系统,该方法包括:将投影仪和摄像机的位置进行固定,使得所述投影仪和摄像机相对静止,所述摄像机为红外摄像机;确定所述投影仪的第一光轴和所述摄像机的第二光轴;在所述第一光轴与第二光轴的交点处配置第一镜片对所述第一光轴和第二光轴进行处理,使得经过所述第一镜片的第一光轴与第二光轴相重合。

Description

投影仪和摄像机交互的方法及系统 本申请要求于 2012 年 12 月 18 日提交中国专利局、 申请号为 201210552898.4、 发明名称为 "投影仪和摄像机交互的方法及系统" 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 本发明涉及电子设备领域, 尤其涉及一种投影仪和摄像机交互技术。 背景技术
投影仪 -摄像机交互系统是一种灵活的交互系统。 在投影仪 -摄像机交互系 统中, 以摄像机获取的人体姿势作为交互输入, 以投影仪的投影内容作为交互 内容, 例如: 在进行图片展示时, 通过投影仪在墙面上投影出一个投影面, 在 所述投影面显示图片; 通过摄像机获取用户的人体姿势,根据获取的人体姿势 对待展示图片进行处理(例如放大图片、 切换图片等操作 ), 并在所述投影面 上显示处理结果。 在使用投影仪-摄像机交互系统时, 需要进行调试, 调试过程中必须根据 投影仪与投影面之间的距离进行动态校准。现有技术中,投影仪和摄像机的校 准过程较为繁瑣。
发明内容
本发明的实施例提供一种投影仪和摄像机交互的方法及系统,能够解决现 有技术中对投影仪和摄像机的校准过程较为繁瑣的技术问题。
为达到上述目的, 本发明的实施例采用如下技术方案:
一方面, 本发明实施例提供了一种投影仪和摄像机交互的方法, 所述方法 包括:
将投影仪和摄像机的位置进行固定, 使得所述投影仪和摄像机相对静止, 所述摄像机为红外摄像机;
确定所述投影仪的第一光轴和所述摄像机的第二光轴,所述第一光轴为所 述投影仪投射的可见光光轴, 所述第二光轴为所述摄像机采集的红外光光轴; 在所述第一光轴与第二光轴的交点处配置第一镜片对所述第一光轴和第 二光轴进行处理, 使得经过所述第一镜片处理的第一光轴与第二光轴相重合。
另一方面, 本发明实施例还提供了一种投影仪和摄像机交互的系统, 包括 投影仪、 摄像机和第一镜片, 所述摄像机为红外摄像机:
所述投影仪和摄像机的位置固定, 所述投影仪和摄像机相对静止; 所述投影仪确定第一光轴, 所述第一光轴为所述投影仪投射的可见光光 轴;
所述摄像机确定第二光轴, 所述第二光轴为所述摄像机采集的红外光光 轴;
所述第一镜片位于所述第一光轴与第二光轴的交点处,用于对所述第一光 轴和第二光轴进行处理, 使得经过所述第一镜片的第一光轴与第二光轴相重 合。
本发明实施例提供的投影仪和摄像机交互的方法及系统,将投影仪和摄像 机进行固定,通过在投影仪的第一光轴与摄像机的第二光轴的交点处配置第一 镜片,使得所述第一光轴和所述第二光轴经过所述第一镜片后相重合。 与现有 技术相比,在完成一次校准使得第一光轴和第二光轴相重合后, 无论投影仪与 投影面之间的距离如何变化,均能够确保投影仪的投影面与摄像机的拍摄面相 吻合, 无需重新校准, 能够极大的筒化投影仪 -摄像机交互系统的使用。 附图说明
为了更清楚地说明本发明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筒单地介绍,显而易见地, 下面描述 中的附图仅仅是本发明的一些实施例, 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他的附图。 图 1为本发明实施例一提供的投影仪和摄像机交互的方法的流程示意图; 图 2为本发明实施例二提供的投影仪和摄像机交互的方法的流程示意图; 图 3为本发明实施例二提供的投影仪-摄像机交互系统的示意图; 图 4为本发明实施例三提供的投影仪和摄像机交互的系统的结构示意图。 具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清 楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是 全部的实施例。基于本发明中的实施例, 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他实施例, 都属于本发明保护的范围。
实施例一
本发明实施例提供了一种投影仪和摄像机交互的方法,如图 1所示, 所述 方法包括步骤 101-103。
101、 将投影仪和摄像机的位置进行固定, 使得所述投影仪和摄像机相对 静止, 所述摄像机可以为红外摄像机。
102、 确定所述投影仪的第一光轴与所述摄像机的第二光轴, 所述第一光 轴为所述投影仪投射的可见光光轴,所述第二光轴为所述摄像机采集的红外光 光轴。
103、 在所述第一光轴与第二光轴的交点处配置第一镜片对所述第一光轴 和第二光轴进行处理,使得经过所述第一镜片处理的第一光轴与第二光轴相重 合。
本发明实施例提供的投影仪和摄像机交互的方法,将投影仪和摄像机进行 固定, 通过在投影仪的第一光轴与摄像机的第二光轴的交点处配置第一镜片, 使得所述第一光轴和所述第二光轴经过所述第一镜片后相重合。与现有技术相 比,在完成一次校准使得第一光轴和第二光轴相重合后, 无论投影仪与投影面 之间的距离如何变化, 均能够确保投影仪的投影面与摄像机的拍摄面相吻合, 无需重新校准, 能够极大的筒化投影仪-摄像机交互系统的使用。 实施例二
在图 1所示方法的基础上, 进一步的, 本发明实施例提供了一种投影仪和 摄像机交互的方法, 如图 2所示, 所述方法包括步骤 201-206。
201、 将所述投影仪与摄像机相对放置, 以使得所述投影仪的镜头端与所 述摄像机的摄像头端相邻、 且所述投影仪与摄像机之间的夹角大于 0度小于 180度。
本实施例中的摄像机可以为红外摄像机。 实际应用中, 本实施例中的摄像 机可以是任意红外波段的摄像机。
202、 对投影仪和摄像机的位置进行调试, 将调试后的投影仪和摄像机的 位置进行固定, 使得所述投影仪和摄像机相对静止。
在本实施例中, 用户在使用投影仪-摄像机交互系统时, 需要对投影仪和 摄像机的位置进行初始调试, 调试完成后将投影仪和摄像机的位置进行固定, 后续无需再次调试。
203、 确定所述投影仪的第一光轴与所述摄像机的第二光轴。
所述第一光轴为所述投影仪投射的可见光光轴,所述第二光轴为所述摄像 机采集的红外光光轴。
本实施例中的第一光轴是投影仪投射的视推体的中心轴,第二光轴是摄像 机采集的视锥体的中心轴。 204、 确定所述第一光轴和第二光轴之间的夹角, 在所述夹角的中线位置 配置红外反射镜片。
其中, 所述红外反射镜片是本实施例中的第一镜片, 所述红外反射镜片用 于对红外光实现全反射, 对可见光实现全透射。
205、 通过所述红外反射镜片对所述第一光轴进行全透射, 对所述第二光 轴进行全反射,以使得经过所述红外反射镜片透射的第一光轴与所述第二光轴 相重合。
为了便于理解, 本发明实施例以投影仪和摄像机相互垂直的典型情况为 例, 提供了一种投影仪 -摄像机交互系统的结构示意图, 如图 3所示, 投影仪 1 的第一光轴与摄像机 2的第二光轴相互垂直,在投影仪 1和摄像机 2的夹角的 中线位置配置红外反射镜片 3;投影仪 1透射的可见光 11经过红外发射镜片 3 会发生全透射, 摄像机 2采集的红外光 21是经过红外发射镜片 3发生全反射 后采集到的。 如图 3所示, 在红外反射镜片 3的以下部分, 投影仪 1透射的可 见光 11和摄像机 2采集的红外光 21是完全重合的,能够确保投影仪的投影面 与摄像机的拍摄面相吻合。 所以, 无论投影仪与投影面之间的距离如何变化, 均无需对投影仪和摄像机进行校准。
206、 摄像机通过所述红外反射镜片采集用户的人体姿势, 根据获取的人 体姿势对投影仪透射的内容进行处理。
实际应用中, 步骤 204中的红外发射镜片可以替换为红外透射镜片, 所述 红外透射镜片对红外光实现全透射,对可见光实现全反射。则步骤 205替换为: 通过所述红外透射镜片对所述第一光轴全反射, 对所述第二光轴进行全透射, 以使得经过所述红外透射镜片透射的第二光轴与所述第一光轴相重合。 上述提供的可选方案是一种可选的方案, 与步骤 205-206相比, 区别仅在 于采用红外透射镜片作为第一镜片,其实现原理与采用红外反射镜片的情况相 同, 此处不再赘述。
所述摄像机的视角可以被设置为大于所述投影仪的视角,使得在同一平面 所述摄像机的拍摄范围大于所述投影仪的投射范围,从而能够保证足够大的交 互范围, 便于用户使用。
本发明实施例提供的投影仪和摄像机交互的方法,将投影仪和摄像机进行 固定, 通过在投影仪的第一光轴与摄像机的第二光轴的交点处配置第一镜片, 使得所述第一光轴和所述第二光轴经过所述第一镜片后相重合。与现有技术相 比,在完成一次校准使得第一光轴和第二光轴相重合后, 无论投影仪与投影面 之间的距离如何变化, 均能够确保投影仪的投影面与摄像机的拍摄面相吻合, 无需重新校准, 能够极大的筒化投影仪-摄像机交互系统的使用。 实施例三
本发明实施例提供了一种投影仪和摄像机交互的系统,能够实现上述方法 实施例, 具体的, 如图 4所示, 所述系统包括投影仪 41、 摄像机 42和第一镜 片 43 , 所述摄像机 42为红外摄像机, 其中:
所述投影仪 41和摄像机 42的位置固定,所述投影仪 41和摄像机 42相对 静止;
所述投影仪 41确定第一光轴,所述第一光轴为所述投影仪 41投射的可见 光光轴;
所述摄像机 42确定第二光轴,所述第二光轴为所述摄像机 42采集的红外 光光轴;
所述第一镜片 43位于所述第一光轴与第二光轴的交点处, 用于对所述第 一光轴和第二光轴进行处理,使得经过所述第一镜片处理的第一光轴与第二光 轴相重合。
所述投影仪 41与摄像机 42可以相对放置, 以使得所述投影仪 41的镜头 端与所述摄像机 42的摄像头端相邻、 且所述投影仪 41与摄像机 42之间的夹 角大于 0度小于 180度。
所述第一镜片 43可以为红外反射镜片, 所述红外反射镜片对红外光实现 全反射, 对可见光实现全透射。
进一步的,所述红外反射镜片位于所述第一光轴和第二光轴之间的夹角中 线位置, 用于对所述第一光轴进行全透射, 对所述第二光轴进行全反射, 以使 得经过所述红外反射镜片透射的第一光轴与所述第二光轴相重合。
所述第一镜片 43可以为红外透射镜片, 所述红外透射镜片对红外光实现 全透射, 对可见光实现全反射。
进一步的,所述红外透射镜片位于所述第一光轴和第二光轴之间的夹角的 中线位置, 用于对所述第一光轴全反射, 对所述第二光轴进行全透射, 以使得 经过所述红外透射镜片透射的第二光轴与所述第一光轴相重合。
所述摄像机 42的视角可以被设置为大于所述投影仪 41的视角,使得在同 一平面所述摄像机的拍摄范围大于所述投影仪的投射范围,从而能够保证足够 大的交互范围, 便于用户使用。
本发明实施例提供的投影仪和摄像机交互的系统,投影仪和摄像机是固定 的,通过在投影仪的第一光轴与摄像机的第二光轴的交点处配置第一镜片,使 得所述第一光轴和所述第二光轴经过所述第一镜片后相重合。 与现有技术相 比,在完成一次校准使得第一光轴和第二光轴相重合后, 无论投影仪与投影面 之间的距离如何变化, 均能够确保投影仪的投影面与摄像机的拍摄面相吻合, 无需重新校准, 能够极大的筒化投影仪-摄像机交互系统的使用。
通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到本发 明可借助软件加必需的通用硬件的方式来实现, 当然也可以通过硬件,但很多 情况下前者是更佳的实施方式。基于这样的理解, 本发明的技术方案本质上或 者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软 件产品存储在可读取的存储介质中, 如计算机的软盘, 硬盘或光盘等, 包括若 干指令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备 等)执行本发明各个实施例所述的方法。 以上所述,仅为本发明的具体实施方式,但本发明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发明揭露的技术范围内, 可轻易想到 变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应 以所述权利要求的保护范围为准。

Claims

权 利 要 求
1、 一种投影仪和摄像机交互的方法, 其特征在于, 包括:
将投影仪和摄像机的位置进行固定, 使得所述投影仪和摄像机相对静止, 所述摄像机为红外摄像机;
确定所述投影仪的第一光轴和所述摄像机的第二光轴,所述第一光轴为所 述投影仪投射的可见光光轴, 所述第二光轴为所述摄像机采集的红外光光轴; 在所述第一光轴与第二光轴的交点处配置第一镜片对所述第一光轴和第 二光轴进行处理,使得所述第一光轴与所述第二光轴经过所述第一镜片后相重 合。
2、 根据权利要求 1所述的方法, 其特征在于, 所述对投影仪和摄像机的 位置进行固定, 包括:
将所述投影仪与摄像机相对放置,以使得所述投影仪的镜头端与所述摄像 机的摄像头端相邻、 且所述投影仪与摄像机之间的夹角大于 0度小于 180度。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述第一镜片为红外 反射镜片, 所述红外反射镜片对红外光实现全反射, 对可见光实现全透射。
4、 根据权利要求 3所述的方法, 其特征在于, 所述在所述第一光轴与第 二光轴的交点处配置第一镜片对所述第一光轴和第二光轴进行处理, 包括: 确定所述第一光轴和第二光轴之间的夹角,在所述夹角的中线位置配置红 外反射镜片,通过所述红外反射镜片对所述第一光轴进行全透射,对所述第二 光轴进行全反射。
5、 根据权利要求 1或 2所述的方法, 其特征在于, 所述第一镜片为红外 透射镜片, 所述红外透射镜片对红外光实现全透射, 对可见光实现全反射。
6、 根据权利要求 5所述的方法, 其特征在于, 所述在所述第一光轴与第 二光轴的交点处配置第一镜片对所述第一光轴和第二光轴进行处理, 包括: 确定所述第一光轴和第二光轴之间的夹角,在所述夹角的中线位置配置红 外透射镜片,通过所述红外透射镜片对所述第一光轴全反射,对所述第二光轴 进行全透射。
7、 根据权利要求 1或 2所述的方法, 其特征在于, 所述摄像机的视角大 于所述投影仪的视角。
8、 一种投影仪和摄像机交互的系统, 包括投影仪、 摄像机和第一镜片, 所述摄像机为红外摄像机, 其特征在于:
所述投影仪和摄像机的位置固定, 所述投影仪和摄像机相对静止; 所述投影仪确定第一光轴, 所述第一光轴为所述投影仪投射的可见光光 轴;
所述摄像机确定第二光轴, 所述第二光轴为所述摄像机采集的红外光光 轴;
所述第一镜片位于所述第一光轴与第二光轴的交点处,用于对所述第一光 轴和第二光轴进行处理,使得所述第一光轴与所述第二光轴经过所述第一镜片 后相重合。
9、 根据权利要求 8所述的系统, 其特征在于, 所述投影仪与摄像机相对 放置, 以使得所述投影仪的镜头端与所述摄像机的摄像头端相邻、且所述投影 仪与摄像机之间的夹角大于 0度小于 180度。
10、 根据权利要求 8或 9所述的系统, 其特征在于, 所述第一镜片为红外 反射镜片, 所述红外反射镜片对红外光实现全反射, 对可见光实现全透射。
11、 根据权利要求 10所述的系统, 其特征在于, 所述红外反射镜片位于 所述第一光轴和第二光轴之间的夹角中线位置,用于对所述第一光轴进行全透 射,对所述第二光轴进行全反射, 以使得经过所述红外反射镜片透射的第一光 轴与所述第二光轴相重合。
12、 根据权利要求 8或 9所述的系统, 其特征在于, 所述第一镜片为红外 透射镜片, 所述红外透射镜片对红外光实现全透射, 对可见光实现全反射。
13、 根据权利要求 12所述的系统, 其特征在于, 所述红外透射镜片位于 所述第一光轴和第二光轴之间的夹角的中线位置, 用于对所述第一光轴全反 射,对所述第二光轴进行全透射, 以使得经过所述红外透射镜片透射的第二光 轴与所述第一光轴相重合
14、 根据权利要求 8或 9所述的系统, 其特征在于, 所述摄像机的视角大 于所述投影仪的视角。
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