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WO2017173847A1 - 视频眼镜的眼球追踪模组 - Google Patents

视频眼镜的眼球追踪模组 Download PDF

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Publication number
WO2017173847A1
WO2017173847A1 PCT/CN2016/110423 CN2016110423W WO2017173847A1 WO 2017173847 A1 WO2017173847 A1 WO 2017173847A1 CN 2016110423 W CN2016110423 W CN 2016110423W WO 2017173847 A1 WO2017173847 A1 WO 2017173847A1
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WO
WIPO (PCT)
Prior art keywords
eyeball
image sensor
tracking module
video glasses
infrared light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/110423
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English (en)
French (fr)
Inventor
黄通兵
王云飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing 7Invensun Technology Co Ltd
Original Assignee
Beijing 7Invensun Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Beijing 7Invensun Technology Co Ltd filed Critical Beijing 7Invensun Technology Co Ltd
Priority to AU2016402132A priority Critical patent/AU2016402132B2/en
Priority to US16/090,211 priority patent/US10613625B2/en
Priority to JP2019503606A priority patent/JP2019516204A/ja
Publication of WO2017173847A1 publication Critical patent/WO2017173847A1/zh
Anticipated expiration legal-status Critical
Priority to US16/782,086 priority patent/US10671162B1/en
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/19—Sensors therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20—Movements or behaviour, e.g. gesture recognition
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features

Definitions

  • the invention belongs to the technical field of eyeball tracking, and in particular relates to an eyeball tracking module of video glasses.
  • Eye tracking is a technique for obtaining the current "gaze direction" of a subject using various detection means such as mechanical, electronic, and optical.
  • detection means such as mechanical, electronic, and optical.
  • eye tracking technology has become a hot research field, and has been widely used in the field of human-computer interaction. For example, it can be applied to vehicle-assisted driving, virtual reality, and cognitive impairment. Diagnosis, etc.
  • the existing eye tracking devices generally have the disadvantages of complicated structure, large occupied space, and limited eye tracking accuracy.
  • the present invention provides an eyeball tracking module for video glasses, which can effectively solve the above problems.
  • the invention provides an eyeball tracking module for video glasses, comprising: at least two infrared light sources (1), at least one image sensor component (2) and at least one infrared cut filter device (3); wherein the image sensor The component (2) includes an image sensor body (2-1) and an infrared filter (2-2) disposed in front of the image sensor body (2-1);
  • the infrared light source (1) is fixedly disposed in a side front area of the eyeball for emitting infrared light to the eyeball, and the eyeball reflects infrared light, thereby forming a reflection point on the eyeball;
  • the image sensor assembly (2) is fixedly disposed at an edge or outside of a viewing angle of the video glasses; the infrared cut filter device (3) is disposed at a coincident region between the eyeball reflecting light path and the image sensor collecting region, and is used for The eyeball image is reflected to the image sensor body (2-1) such that the image sensor body (2-1) acquires an eyeball image.
  • At least one lens (9) is disposed outside the viewing angle of the eyeball; the lens (9) is disposed on the transmission optical path between the infrared cut filter device (3) and the image sensor assembly (2) for Eliminate distortion and / or compensate for restored images.
  • the infrared cut filter device (3) is integrated into the screen surface of the display screen (8); and/or
  • the infrared cut filter device (3) is an infrared reflective coating or an infrared reflective film of the display screen.
  • the infrared cut filter device (3) is fixedly disposed in a region between the eyepiece (5) of the video glasses and the display screen (8), and the outer edge of the infrared cut filter device (3) is located
  • the video glasses are external to the viewing angle.
  • the infrared light source (1) is fixedly disposed outside the viewing angle of the video glasses; and the infrared light source (1) is sleeved on the housing of the outer edge of the eyepiece (5) of the video glasses.
  • a mounting slot (7-1) is opened in the housing (7) of the video glasses; the image sensor assembly (2) is fixed to the video glasses housing through the mounting slot (7-1) (7) )on.
  • a main control unit (6) is also included, which is connected to the infrared light source (1) and the image sensor assembly (2), respectively.
  • the infrared light source (1) is connected to the main control unit (6) through a first interface; wherein the first interface is a main control unit (6) transmitting a control signal to the infrared light source (1) And a unidirectional interface; and/or the first interface is an interface having a power supply function at the same time;
  • the image sensor component (2) is connected to the main control unit (6) through a second interface; wherein the second interface performs a control signal between the main control unit (6) and the image sensor component (2) / or a bidirectional interface for data signal transmission; and / or the second interface is an interface that has a power supply function at the same time.
  • the eye tracking module is a single eye tracking module or a double eye tracking module.
  • the eyeball tracking module is a single eyeball tracking module, comprising a single eye infrared light source, at least one single eyeball image sensor component, and at least one single eye infrared cut filter device;
  • the eyeball tracking module is a binocular tracking module, including a left eye infrared light source, at least one left eyeball image sensor component, at least one left eye infrared cut filter device, a right eye infrared light source, and at least one right eyeball image sensor a component and at least one right eye infrared cut filter device;
  • the left eyeball image sensor component and the right eyeball image sensor component are independently disposed or share the same image sensor component;
  • the left eye infrared cut filter device and the right eye infrared cut filter device are independently disposed, or share the same infrared cut filter device;
  • the double eyeball tracking module is further configured with a left eyeball main control unit and a right eyeball main control unit;
  • the left eyeball main control unit is respectively connected to the left eyeball infrared light source and the left eyeball image sensor component;
  • the right eyeball main control unit is respectively connected to the right eye infrared light source and the right eyeball image sensor component;
  • the left eye main control unit and the right eye main control unit are independently set or integrated into one main control unit.
  • the utility model has the advantages of simple structure, small occupied space and high eye tracking precision.
  • FIG. 1 is a schematic perspective structural view of a single eyeball tracking module provided by the present invention.
  • FIG. 2 is a top view of the infrared light source and the video glasses housing provided by the present invention
  • FIG. 3 is a schematic diagram of an imaging optical path in a single eyeball tracking module provided by the present invention.
  • FIG. 4 is a schematic perspective structural view of a double eyeball tracking module provided by the present invention.
  • the invention provides an eyeball tracking module of a video glasses, which can be disposed in a virtual reality glasses device, and completes an eyeball tracking by uniquely designing an internal structure of the virtual reality glasses, so that the user wears the glasses to view the display terminal located in front of the glasses.
  • the display terminal can be operated and controlled based on the eyeball tracking technology, and functions such as human-computer interaction and gaze point rendering can be realized.
  • the eyeball tracking module of the video glasses provided by the present invention may be a single eyeball tracking module or a double eyeball tracking module.
  • FIG. 1 it is a structural schematic diagram of a single eyeball tracking module.
  • FIG. 4 the double eyeball tracking is performed. Schematic diagram of the module. Since the double eyeball tracking module is a product formed by integrating two single eyeball tracking modules, the implementation principle of the single eyeball tracking module is basically the same. Therefore, for convenience of explanation, the following is an example of a single eyeball tracking module. Introduce:
  • the infrared light source 1 is fixedly disposed in a side front area of the eyeball 10 for emitting infrared light to the eyeball 10, and the eyeball 10 reflects infrared light, thereby forming a reflection point on the eyeball 10;
  • the image sensor assembly 2 is fixedly disposed at an edge or outside of the viewing angle of the video glasses; the infrared cut filter device 3 is disposed at a coincident region between the eyeball reflecting light path and the image sensor collecting region for reflecting the eyeball image to the image sensor body 2 -1, thereby causing the image sensor body 2-1 to acquire an eyeball image.
  • the imaging path of the eye tracking module is:
  • the infrared light source 1 emits infrared light to the eyeball 10, and the eyeball 10 reflects infrared light, thereby forming a reflection point on the eyeball 10;
  • the infrared light source basically selects a near-infrared light source with low sensitivity and low risk.
  • an infrared filter is required in front of the imaging lens to allow only the light from the LED source to pass through the imaging lens.
  • the lens of the image sensor component is disposed at the front and rear ends of the eyepiece.
  • This setting mode affects the information that the user normally views the display screen.
  • an infrared cut filter device is placed behind the eyepiece, and the near-infrared light reflected by the eyeball 10 is reflected to the side fixed to the side of the casing by adjusting the angle of the infrared cut filter device.
  • the size of the IR cut filter needs to include the maximum field of view edge light of this eyepiece.
  • the image sensor component is disposed at the edge or the outside of the viewing angle of the video glasses, preferably, The video glasses housing 7 is provided with a mounting slot 7-1, and the image sensor is fixed to the video glasses housing 7 through the mounting slot 7-1. Therefore, the image sensor is convenient to install and does not occupy extra space, thereby saving the entire device. volume.
  • At least one lens 9 is disposed outside the viewing angle of the eyeball; the lens 9 is disposed on the transmission optical path between the infrared cut filter device 3 and the image sensor assembly 2 for eliminating distortion and/or compensating for the restored image, improving The accuracy of the image sensor to capture images.
  • the infrared cut filter device 3 can be directly integrated into the screen surface of the display screen 8; and/or the infrared cut filter device 3 is an infrared reflective coating or an infrared reflective film of the display screen. .
  • the infrared cut filter device 3 is fixedly disposed between the eyepiece of the video glasses and the display screen, and the outer edge of the infrared cut filter device 3 is located outside the viewing angle of the video glasses to ensure the formation of any position of the eyeball
  • the reflection points can be imaged to the image sensor by an infrared cut filter.
  • the infrared light source 1 is disposed outside the viewing angle of the video glasses; and the infrared light source 1 is fixedly mounted on the housing of the outer edge of the video eyepiece eyepiece 5.
  • the infrared light source has the advantages of easy installation and small space occupation.
  • the infrared light source 1 can be sleeved on the outer ring 4 of the video eyepiece eyepiece 5 , and the ring 4 can be an annular circuit board or an outer surface of the video eyepiece 5 .
  • the shell of the rim itself.
  • Improvement 6 Also comprising a main control unit 6, which is connected to the infrared light source 1 and the image sensor assembly 2, respectively.
  • main control unit involved in the present invention may be an independent main control circuit board; or may be a main control unit of a terminal such as a mobile phone or a tablet computer.
  • the infrared light source 1 is connected to the main control unit 6 through the first interface; wherein, the first interface is a one-way interface that the main control unit 6 sends a control signal to the infrared light source 1; and/or the first interface is an interface having a power supply function at the same time;
  • the image sensor component 2 is connected to the main control unit 6 through a second interface; wherein the second interface is a bidirectional interface for controlling signal and/or data signal transmission between the main control unit 6 and the image sensor component 2; and/or 2nd
  • the interface is an interface that has both power supply functions.
  • the eye tracking module is a double eye tracking module, including a left eye infrared light source, at least one left eye image sensor component, at least one left eye infrared cut filter device, a right eye infrared light source, at least one right eye image a sensor assembly and at least one right eye infrared cut filter device;
  • the left eyeball image sensor component and the right eyeball image sensor component are independently disposed or share the same image sensor component;
  • the left eye infrared cut filter device and the right eye infrared cut filter device are independently disposed, or share the same infrared cut filter device.
  • the double eyeball tracking module is further configured with a left eyeball main control unit and a right eyeball main control unit; the left eyeball main control unit is respectively connected with the left eyeball infrared light source and the left eyeball image sensor component; the right eyeball main control unit and the right eyeball infrared light source respectively Connected to the right eyeball image sensor assembly; the left eyeball master unit and the right eyeball master unit are independently set or integrated into one master unit.
  • the left-eye tracking unit and the right-eye tracking unit can share a common part of the device, thereby achieving the advantage of reducing the cost of the double-eye tracking module.
  • the eyeball tracking module of the video glasses has the following advantages: the utility model has the advantages of simple structure, small occupied space and high eyeball tracking precision.

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Abstract

一种视频眼镜的眼球追踪模组，包括：至少2个红外光源（1）、至少一个图像传感器组件（2）以及至少一个红外截止滤光器件（3）；其中，图像传感器组件（2）包括图像传感器本体（2-1）以及设置于图像传感器本体（2-1）前方的红外滤光片（2-2）；其中，红外光源（1）固定设置于眼球的侧前方区域，用于向眼球（10）发射红外光，眼球（10）反射红外光，从而在眼球（10）上形成反射点；图像传感器组件（2）固定设置于视频眼镜可视角度的边缘或外部；红外截止滤光器件（3）设置于眼球反射光路和图像传感器采集区域之间的重合区域，用于将眼球影像反射到图像传感器本体（2-1），从而使图像传感器本体（2-1）采集到眼球影像。所述眼球追踪模组具有结构简单、占用空间小以及眼球追踪精度高的优点。

Description

视频眼镜的眼球追踪模组 技术领域
本发明属于眼球追踪技术领域，具体涉及一种视频眼镜的眼球追踪模组。
背景技术
眼球追踪是利用机械、电子、光学等各种检测手段获取受试者当前“注视方向”的技术。随着计算机视觉、人工智能技术和数字化技术的迅速发展，眼球追踪技术已成为当前热点研究领域，在人机交互领域有着广泛应用，例如，可应用于车辆辅助架驶、虚拟现实、认知障碍诊断等。
现有的眼球追踪设备，普遍具有结构复杂、占用空间大以及眼球追踪精度有限等不足。
发明内容
针对现有技术存在的缺陷，本发明提供一种视频眼镜的眼球追踪模组，可有效解决上述问题。
本发明采用的技术方案如下：
本发明提供一种视频眼镜的眼球追踪模组，包括：至少2个红外光源(1)、至少一个图像传感器组件(2)以及至少一个红外截止滤光器件(3)；其中，所述图像传感器组件(2)包括图像传感器本体(2-1)以及设置于所述图像传感器本体(2-1)前方的红外滤光片(2-2)；
其中，所述红外光源(1)固定设置于眼球的侧前方区域，用于向眼球发射红外光，眼球反射红外光，从而在眼球上形成反射点；
所述图像传感器组件(2)固定设置于视频眼镜可视角度的边缘或外部；所述红外截止滤光器件(3)设置于眼球反射光路和图像传感器采集区域之间的重合区域，用于将眼球影像反射到所述图像传感器本体(2-1)，从而使所述图像传感器本体(2-1)采集到眼球影像。
优选的，在眼球可视角度的外部设置至少一个透镜(9)；所述透镜(9)设置在红外截止滤光器件(3)到图像传感器组件(2)之间的传输光路上，用于消除畸变和/或补偿还原图像。
优选的，所述红外截止滤光器件(3)整合到显示屏(8)的屏表面；和/或
所述红外截止滤光器件(3)为显示屏的红外反光涂层或者红外反光贴膜。
优选的，所述红外截止滤光器件(3)固定设置于视频眼镜的目镜(5)与显示屏(8)之间的区域，并且，所述红外截止滤光器件(3)的外缘位于视频眼镜可视角度的外部。
优选的，所述红外光源(1)固定设置于视频眼镜可视角度的外部；并且，所述红外光源(1)套设于视频眼镜的目镜(5)的外缘的壳体上。
优选的，在视频眼镜的壳体(7)开设有安装槽(7-1)；所述图像传感器组件(2)通过所述安装槽(7-1)固定到所述视频眼镜壳体(7)上。
优选的，还包括主控单元(6)，所述主控单元(6)分别与所述红外光源(1)和所述图像传感器组件(2)连接。
优选的，所述红外光源(1)通过第1接口连接到所述主控单元(6)；其中，所述第1接口为主控单元(6)向所述红外光源(1)发送控制信号的单向接口；和/或所述第1接口为同时具有供电功能的接口；
所述图像传感器组件(2)通过第2接口连接到所述主控单元(6)；其中，所述第2接口为主控单元(6)与图像传感器组件(2)之间进行控制信号和/或数据信号传输的双向接口；和/或所述第2接口为同时具有供电功能的接口。
优选的，该眼球追踪模组为单眼球追踪模组或双眼球追踪模组。
优选的，当所述眼球追踪模组为单眼球追踪模组时，包括单眼球红外光源、至少一个单眼球图像传感器组件以及至少一个单眼球红外截止滤光器件；
当所述眼球追踪模组为双眼球追踪模组时，包括左眼球红外光源、至少一个左眼球图像传感器组件、至少一个左眼球红外截止滤光器件、右眼球红外光源、至少一个右眼球图像传感器组件以及至少一个右眼球红外截止滤光器件；
所述左眼球图像传感器组件和所述右眼球图像传感器组件独立设置，或者共用相同的图像传感器组件；
所述左眼球红外截止滤光器件和所述右眼球红外截止滤光器件独立设置，或者共用相同的红外截止滤光器件；
优选的，所述双眼球追踪模组还配置有左眼球主控单元和右眼球主控单元；所述左眼球主控单元分别与所述左眼球红外光源和所述左眼球图像传感器组件连接；所述右眼球主控单元分别与所述右眼球红外光源和所述右眼球图像传感器组件连接；
优选的，所述左眼球主控单元和所述右眼球主控单元独立设置，或者集成为一个主控单元。
本发明提供的视频眼镜的眼球追踪模组具有以下优点：
具有结构简单、占用空间小以及眼球追踪精度高的优点。
附图说明
图1为本发明提供的单眼球追踪模组的立体结构示意图；
图2为本发明提供的红外光源和视频眼镜壳体组装下的俯视图；
图3为本发明提供的单眼球追踪模组中成像光路示意图；
图4为本发明提供的双眼球追踪模组的立体结构示意图。
其中，上述附图包括以下附图标记：
1、红外光源；2、图像传感器组件；2-1、图像传感器本体；2-2、红外滤光片；3、红外截止滤光器件；4、圆环；5、目镜；6、主控单元；7、视频眼镜壳体；7-1、安装槽；8、显示屏；9、透镜；10、眼球。
具体实施方式
为了使本发明所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
本发明提供一种视频眼镜的眼球追踪模组，可设置在虚拟现实眼镜装置中，通过对虚拟现实眼镜的内部结构独特设计，完成眼球追踪，从而使用户在佩戴眼镜观看位于眼镜前方的显示终端时，能够基于眼球追踪技术对显示终端进行操作控制，并实现人机交互和注视点渲染等功能。
本发明提供的视频眼镜的眼球追踪模组可以为单眼球追踪模组，也可以为双眼球追踪模组，参考图1，为单眼球追踪模组的结构示意图，参考图4，为双眼球追踪模组的结构示意图。由于双眼球追踪模组是将两个单眼球追踪模组整合到一起形成的产品，其与单眼球追踪模组的实现原理基本相同，因此，为方便说明，以下以单眼球追踪模组为例进行介绍：
结合图1-图3，本发明提供的视频眼镜的眼球追踪模组，包括：至少2个红外光源1、至少一个图像传感器组件2以及至少一个红外截止滤光器件3；其中，图像传感器组件2包括图像传感器本体2-1以及设置于图像传感器本体2-1前方的红外滤光片2-2；
其中，红外光源1固定设置于眼球10的侧前方区域，用于向眼球10发射红外光，眼球10反射红外光，从而在眼球10上形成反射点；
图像传感器组件2固定设置于视频眼镜可视角度的边缘或外部；红外截止滤光器件3设置于眼球反射光路和图像传感器采集区域之间的重合区域，用于将眼球影像反射到图像传感器本体2-1，从而使图像传感器本体2-1采集到眼球影像。
参考图3，眼球追踪模组的成像光路为：
(1)红外光源1向眼球10发射红外光，眼球10反射红外光，从而在眼球10上形成反射点；
具体的，由于人眼能感知的波长为380nm-780nm，为了不影响人们正常观看显示终端，红外光源基本选择人眼敏感度低、危害性小的近红外光源。
(2)眼球10上形成的反射点经红外截止滤光器件3反射后，成像到图像传感器组件；
此处，为了消除其他波长光线对图像的影响，需要在成像镜头前加上红外滤光片，只允许LED光源发出的光线通过成像镜头。
对于目前市场上虚拟现实眼镜来说，大多数显示终端直接设置在目镜的正后端，而图像传感器组件的镜头设置于目镜的正后端，该种设置方式会影响用户正常观看显示屏幕的信息。而本发明中，参照图中所示，在目镜的后方放置有红外截止滤光器件，通过调整红外截止滤光器件的角度，将眼球10反射的近红外光线反射到固定于壳体侧面的成像镜头，红外截止滤光器件的大小选取需要包含此目镜的最大视场边缘光线。
通过以上设置方式，一方面，在进行眼球追踪时，不会影响用户正常观看显示屏幕的信息；另一方面，由于图像传感器组件设置于视频眼镜可视角度的边缘或外部，优选的，可在视频眼镜壳体7开设有安装槽7-1，图像传感器通过安装槽7-1固定到视频眼镜壳体7上，因此，具有图像传感器安装方便且不占用额外空间的效果，节约了整个设备的体积。
实际应用中，在以上结构的基础上，还可进行以下改进：
改进1：在眼球可视角度的外部设置至少一个透镜9；透镜9设置在红外截止滤光器件3到图像传感器组件2之间的传输光路上，用于消除畸变和/或补偿还原图像，提高图像传感器采集图像的精度。
改进2：为进一步缩小整个设备的占用体积，红外截止滤光器件3可直接整合到显示屏8的屏表面；和/或红外截止滤光器件3为显示屏的红外反光涂层或者红外反光贴膜。
改进3：红外截止滤光器件3固定设置于视频眼镜的目镜与显示屏之间的区域，并且，红外截止滤光器件3的外缘位于视频眼镜可视角度的外部，保证眼球任意位置形成的反射点均可通过红外截止滤光器件成像到图像传感器。
改进4：红外光源1设置于视频眼镜可视角度的外部；并且，红外光源1固定套设于视频眼镜目镜5的外缘的壳体上。采用此种结构，具有红外光源易安装且占用空间小的优点。具体地，如图1所示，红外光源1可以套设于视频眼镜目镜5的外缘的圆环4上，所述圆环4可以是环状电路板，也可以是视频眼镜目镜5的外缘的壳体本身。
改进6：还包括主控单元6，主控单元6分别与红外光源1和图像传感器组件2连接。
需要强调的是，本发明涉及到的主控单元，可以为独立的一个主控电路板；也可以为手机、平板电脑等终端的主控单元。
红外光源1通过第1接口连接到主控单元6；其中，第1接口为主控单元6向红外光源1发送控制信号的单向接口；和/或第1接口为同时具有供电功能的接口；
图像传感器组件2通过第2接口连接到主控单元6；其中，第2接口为主控单元6与图像传感器组件2之间进行控制信号和/或数据信号传输的双向接口；和/或第2接口为同时具有供电功能的接口。
改进7：当眼球追踪模组为双眼球追踪模组时，包括左眼球红外光源、至少一个左眼球图像传感器组件、至少一个左眼球红外截止滤光器件、右眼球红外光源、至少一个右眼球图像传感器组件以及至少一个右眼球红外截止滤光器件；
左眼球图像传感器组件和右眼球图像传感器组件独立设置，或者共用相同的图像传感器组件；
左眼球红外截止滤光器件和右眼球红外截止滤光器件独立设置，或者共用相同的红外截止滤光器件。
双眼球追踪模组还配置有左眼球主控单元和右眼球主控单元；左眼球主控单元分别与左眼球红外光源和左眼球图像传感器组件连接；右眼球主控单元分别与右眼球红外光源和右眼球图像传感器组件连接；左眼球主控单元和右眼球主控单元独立设置，或者集成为一个主控单元。
也就是说，对于双眼球追踪模组，左眼球追踪单元和右眼球追踪单元可共用部分共同的器件，达到降低双眼球追踪模组成本的优点。
由此可见，本发明提供的视频眼镜的眼球追踪模组具有以下优点：具有结构简单、占用空间小以及眼球追踪精度高的优点。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视本发明的保护范围。

Claims (25)

  1. 一种视频眼镜的眼球追踪模组，其特征在于，包括：至少2个红外光源(1)、至少一个图像传感器组件(2)以及至少一个红外截止滤光器件(3)；其中，所述图像传感器组件(2)包括图像传感器本体(2-1)以及设置于所述图像传感器本体(2-1)前方的红外滤光片(2-2)；
    其中，所述红外光源(1)固定设置于眼球的侧前方区域，用于向眼球发射红外光，眼球反射红外光，从而在眼球上形成反射点；
    所述图像传感器组件(2)固定设置于视频眼镜可视角度的边缘或外部；所述红外截止滤光器件(3)设置于眼球反射光路和图像传感器采集区域之间的重合区域，用于将眼球影像反射到所述图像传感器本体(2-1)，从而使所述图像传感器本体(2-1)采集到眼球影像。
  2. 根据权利要求1所述的视频眼镜的眼球追踪模组，其特征在于，在眼球可视角度的外部设置至少一个透镜(9)；所述透镜(9)设置在红外截止滤光器件(3)到图像传感器组件(2)之间的传输光路上，用于消除畸变和/或补偿还原图像。
  3. 根据权利要求1或2所述的视频眼镜的眼球追踪模组，其特征在于，所述红外截止滤光器件(3)整合到显示屏(8)的屏表面；和/或
    所述红外截止滤光器件(3)为显示屏的红外反光涂层或者红外反光贴膜。
  4. 根据权利要求1所述的视频眼镜的眼球追踪模组，其特征在于，所述红外截止滤光器件(3)固定设置于视频眼镜的目镜(5)与显示屏(8)之间的区域，并且，所述红外截止滤光器件(3)的外缘位于视频眼镜可视角度的外部。
  5. 根据权利要求1所述的视频眼镜的眼球追踪模组，其特征在于，所述红外光源(1)固定设置于视频眼镜可视角度的外部；并且，所述红外光源(1)套设于视频眼镜的目镜(5)的外缘的壳体上。
  6. 根据权利要求1所述的视频眼镜的眼球追踪模组，其特征在于，在视频眼镜壳体(7)开设有安装槽(7-1)；所述图像传感器组件(2)通过所述安装槽(7-1)固定到所述视频眼镜壳体(7)上。
  7. 根据权利要求1所述的视频眼镜的眼球追踪模组，其特征在于，还包括主控单元(6)，所述主控单元(6)分别与所述红外光源(1)和所述图像传感器组件(2)连接。
  8. 根据权利要求7所述的视频眼镜的眼球追踪模组，其特征在于，所述红外光源(1)通过第1接口连接到所述主控单元(6)；其中，所述第1接口为主控单元(6)向所述红外光源(1)发送控制信号的单向接口；和/或所述第1接口为同时具有供电功能的接口；
    所述图像传感器组件(2)通过第2接口连接到所述主控单元(6)；其中，所述第2接口为主控单元(6)与图像传感器组件(2)之间进行控制信号和/或数据信号传输的双向接口；和/或所述第2接口为同时具有供电功能的接口。
  9. 根据权利要求1所述的视频眼镜的眼球追踪模组，其特征在于，该眼球追踪模组为单眼球追 踪模组或双眼球追踪模组。
  10. 根据权利要求9所述的视频眼镜的眼球追踪模组，其特征在于，当所述眼球追踪模组为单眼球追踪模组时，包括单眼球红外光源、至少一个单眼球图像传感器组件以及至少一个单眼球红外截止滤光器件；
    当所述眼球追踪模组为双眼球追踪模组时，包括左眼球红外光源、至少一个左眼球图像传感器组件、至少一个左眼球红外截止滤光器件、右眼球红外光源、至少一个右眼球图像传感器组件以及至少一个右眼球红外截止滤光器件；
    所述左眼球图像传感器组件和所述右眼球图像传感器组件独立设置，或者共用相同的图像传感器组件；
    所述左眼球红外截止滤光器件和所述右眼球红外截止滤光器件独立设置，或者共用相同的红外截止滤光器件。
  11. 根据权利要求10所述的视频眼镜的眼球追踪模组，其特征在于，所述双眼球追踪模组还配置有左眼球主控单元和右眼球主控单元；所述左眼球主控单元分别与所述左眼球红外光源和所述左眼球图像传感器组件连接；所述右眼球主控单元分别与所述右眼球红外光源和所述右眼球图像传感器组件连接。
  12. 根据权利要求11所述的视频眼镜的眼球追踪模组，其特征在于，所述左眼球主控单元和所述右眼球主控单元独立设置，或者集成为一个主控单元。
  13. 一种视频眼镜的眼球追踪模组，其特征在于，包括：至少2个红外光源(1)、至少一个图像传感器组件(2)以及至少一个红外截止滤光器件(3)；
    其中，所述红外光源(1)固定设置于眼球的侧前方区域，用于向眼球发射红外光，眼球反射红外光，从而在眼球上形成反射点；
    所述红外截止滤光器件(3)设置于眼球反射光路和图像传感器采集区域之间的重合区域，用于将眼球影像反射到所述图像传感器组件(2)，从而使所述图像传感器组件(2)采集到眼球影像。
  14. 根据权利要求13所述的视频眼镜的眼球追踪模组，其特征在于，所述图像传感器组件(2)固定设置于视频眼镜可视角度的边缘或外部。
  15. 根据权利要求14所述的视频眼镜的眼球追踪模组，其特征在于，所述图像传感器组件(2)包括图像传感器本体(2-1)以及设置于所述图像传感器本体(2-1)前方的红外滤光片(2-2)；所述红外截止滤光器件(3)用于将眼球影像反射到所述图像传感器本体(2-1)，从而使所述图像传感器本体(2-1)采集到眼球影像。
  16. 根据权利要求13所述的视频眼镜的眼球追踪模组，其特征在于，在眼球可视角度的外部设置至少一个透镜(9)；所述透镜(9)设置在红外截止滤光器件(3)到所述图像传感器组件(2)之间的传输光路上，用于消除畸变和/或补偿还原图像。
  17. 根据权利要求13或14所述的视频眼镜的眼球追踪模组，其特征在于，所述红外截止滤光器件(3)整合到显示屏(8)的屏表面；和/或
    所述红外截止滤光器件(3)为显示屏的红外反光涂层或者红外反光贴膜。
  18. 根据权利要求13所述的视频眼镜的眼球追踪模组，其特征在于，所述红外光源(1)固定设置于视频眼镜可视角度的外部；并且，所述红外光源(1)套设于视频眼镜的目镜(5)的外缘的壳体上。
  19. 根据权利要求13所述的视频眼镜的眼球追踪模组，其特征在于，在视频眼镜壳体(7)开设有安装槽(7-1)；所述图像传感器组件(2)通过所述安装槽(7-1)固定到所述视频眼镜壳体(7)上。
  20. 根据权利要求13所述的视频眼镜的眼球追踪模组，其特征在于，还包括主控单元(6)，所述主控单元(6)分别与所述红外光源(1)和所述图像传感器组件(2)连接。
  21. 根据权利要求20所述的视频眼镜的眼球追踪模组，其特征在于，所述红外光源(1)通过第1接口连接到所述主控单元(6)；其中，所述第1接口为主控单元(6)向所述红外光源(1)发送控制信号的单向接口；和/或所述第1接口为同时具有供电功能的接口；
    所述图像传感器组件(2)通过第2接口连接到所述主控单元(6)；其中，所述第2接口为主控单元(6)与图像传感器组件(2)之间进行控制信号和/或数据信号传输的双向接口；和/或所述第2接口为同时具有供电功能的接口。
  22. 根据权利要求13所述的视频眼镜的眼球追踪模组，其特征在于，该眼球追踪模组为单眼球追踪模组或双眼球追踪模组。
  23. 根据权利要求22所述的视频眼镜的眼球追踪模组，其特征在于，当所述眼球追踪模组为单眼球追踪模组时，包括单眼球红外光源、至少一个单眼球图像传感器组件以及至少一个单眼球红外截止滤光器件；
    当所述眼球追踪模组为双眼球追踪模组时，包括左眼球红外光源、至少一个左眼球图像传感器组件、至少一个左眼球红外截止滤光器件、右眼球红外光源、至少一个右眼球图像传感器组件以及至少一个右眼球红外截止滤光器件；
    所述左眼球图像传感器组件和所述右眼球图像传感器组件独立设置，或者共用相同的图像传感器组件；
    所述左眼球红外截止滤光器件和所述右眼球红外截止滤光器件独立设置，或者共用相同的红外截止滤光器件。
  24. 根据权利要求23所述的视频眼镜的眼球追踪模组，其特征在于，所述双眼球追踪模组还配置有左眼球主控单元和右眼球主控单元；所述左眼球主控单元分别与所述左眼球红外光源和所述左眼球图像传感器组件连接；所述右眼球主控单元分别与所述右眼球红外光源和所述右眼球图像传感器组件连接。
  25. 根据权利要求24所述的视频眼镜的眼球追踪模组，其特征在于，所述左眼球主控单元和所述右眼球主控单元独立设置，或者集成为一个主控单元。
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