CN105809688A - Liquid camera lens and image sensor-based three-dimensional sensor and use method - Google Patents

Liquid camera lens and image sensor-based three-dimensional sensor and use method Download PDF

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CN105809688A
CN105809688A CN 201610132111 CN201610132111A CN105809688A CN 105809688 A CN105809688 A CN 105809688A CN 201610132111 CN201610132111 CN 201610132111 CN 201610132111 A CN201610132111 A CN 201610132111A CN 105809688 A CN105809688 A CN 105809688A
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camera
lens
module
liquid
sensor
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CN 201610132111
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Chinese (zh)
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卢盛林
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东莞市奥普特自动化科技有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/232Devices for controlling television cameras, e.g. remote control; Control of cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in, e.g. mobile phones, computers or vehicles
    • H04N5/23212Focusing based on image signal provided by the electronic image sensor
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10004Still image; Photographic image

Abstract

The present invention belongs to the sensor technical field and relates to a liquid camera lens and image sensor-based three-dimensional sensor and a use method. The three-dimensional sensor includes a camera lens focal length control module, a liquid camera lens, an image acquisition module and an operation module; the camera lens focal length control module is connected with the liquid camera lens and is used for adjusting the focal length of the liquid camera lens through voltage change; the liquid camera lens is connected with the image acquisition module and is used for changing the focal length of the camera lens under different voltage; the image acquisition module is connected with the operation module and is used for acquiring image information of an object to be measured under different focal lengths of the liquid camera lens; and the operation module is used for performing three-dimensional analysis on the image information of the object to be measured so as to obtain the three-dimensional model of the object to be measured. Unlike a conventional zoom process, the three-dimensional sensor and the use method can automatically adapt to a distance between an object to be shot and a camera lens without the assistance of mechanical devices required, can change the focal length of the liquid camera lens just through changing the magnitude of voltage so as to realize automatic focusing and automatic zoom.

Description

一种基于液态镜头和图像传感器的三维传感器及使用方法 And a three-dimensional sensor using the method based on liquid lens and an image sensor,

技术领域 FIELD

[0001]本发明涉及传感器技术领域,尤其涉及一种基于液态镜头和图像传感器的三维传感器及使用方法。 [0001] The present invention relates to the field sensors, in particular the use of three-dimensional sensor and relates to a method based on liquid lens and an image sensor.

背景技术 Background technique

[0002]随着计算机视觉及人工智能的发展,视觉传感器的形式和功能也在迅速提升。 [0002] With the development of computer vision and artificial intelligence, form and function vision sensor is also rapidly. 现有的视觉传感器通常分为两大类,一类是注重于三维的立体视觉,通过两个或者两个以上摄像头采集现实中物体的图像,并对采集到的图像进行分析获得物体的运动姿态及与摄像机的距离;另外一类是近几年新兴的全景视觉,与立体视觉对应,通过固定在不同方向的摄像头,采集环绕物体周围各个角度的图像,经过校准和拼接获得物体周围的全景图像。 Conventional visual sensor is generally divided into two categories, one is focused on the three-dimensional stereoscopic camera capture real image of an object by two or more, and the acquired image is analyzed to obtain the pose of the object moving and the distance from the camera; the other one is emerging in recent years panoramic vision, stereoscopic vision corresponding to, by fixing the different directions of the camera, the image from different angles around the object acquisition surrounded calibrated and stitching obtain a panoramic image of the surroundings of the object .

[0003]体视觉传感器关注的仅仅为一个方向,所以获得的图像信息并不全面,而全景视觉传感器解决方案虽然能够同时采集多个方向的图像,但是不能进行多目视觉的视觉识另IJ,大大增加了进行智能识别和检测的难度;此外,普通的全景视觉传感器是通过机械部件调整采集方向,然而基于变焦透镜大小、价格、反应速度的考虑,迫切需要一种能够改变传统缺陷的三维传感器。 [0003] Follow the visual sensor body only in one direction, the image information obtained is not comprehensive, and the panoramic vision image sensor solutions while simultaneously collecting a plurality of directions, but can not make more monocular vision visual identification another IJ, greatly increased the difficulty of intelligent identification and detection; Further, Common panoramic vision sensor is adjusted collecting direction by mechanical means, but the zoom lens based on size, price, considering the reaction rate, the urgent need for a three-dimensional sensor to change the traditional defect .

发明内容 SUMMARY

[0004] [0004]

本申请的目的在于:针对现有技术的不足,提供一种基于液态镜头和图像传感器的三维传感器及使用方法,可更加真实生动地显示目标物的运动姿态及其周围场景的状态。 The object of the present application: for the deficiencies of the prior art, and provide a three-dimensional sensor using the method based on liquid lens and an image sensor, can be more vivid detail display state and the surrounding scene motion attitude of the object.

[0005]为实现上述目的,本申请提供了一种基于液态镜头和图像传感器的三维传感器,包括镜头焦距控制模块、液态镜头、图像采集模块和运算模块,其中,所述镜头焦距控制模块与所述液态镜头相连接,所述镜头焦距控制模块可以通过输出电压的变化调节所述液态镜头的焦距;所述液态镜头与所述图像采集模块相连接,所述图像采集模块用于采集液态镜头在不同焦距下待测物体的图像信息;所述图像采集模块与所述运算模块相连接,所述运算模块用于对采集的待测物体的图像信息进行三维分析,获得待测物体三维模型。 [0005] To achieve the above object, the present application provides a three-dimensional sensor based liquid lens and an image sensor, a focus control module includes a lens, a liquid lens, the image acquisition module and a calculation module, wherein the control module and the focal length of the lens is connected to said liquid lens, the focal length of the lens control module may adjust the focus of the liquid lens by changing the output voltage; and said liquid lens module is connected to the image acquisition, the image acquisition module for acquiring liquid lens image information of the object under test at different focal lengths; the image acquisition module and the computing module is connected, the image information arithmetic means for collecting three-dimensional object to be measured is analyzed to obtain a three-dimensional model of the object under test.

[0006]优选的,本发明还包括测距辅助模块,用于获取所述待测物体相对于所述液态镜头的距离,并提供给所述运算模块,用于辅助三维分析。 [0006] Preferably, the present invention further comprises a ranging assistant module, configured to obtain the distance to the object to be detected with respect to the liquid lens, and provided to the computing module, to assist three-dimensional analysis.

[0007] 优选的,所述液态镜头进一步为通过电压变化控制液态表面张力发生变化进而调节所述液态镜头的焦距。 [0007] Preferably, the liquid lens to adjust the focus of the liquid lens and thus further change in surface tension of the liquid to control the voltage variation.

[0008]优选的,所述运算模块进一步为接收所述图像采集模块采集的所述图像信息并进行分析处理,再将全部所述图像信息拼接集成三维图像模型,获得待测物体三维模型。 [0008] Preferably, the calculation module further receives the image information to the image acquisition module and the analysis processing, and then all of the image information is three-dimensional image stitching integration model object to be measured to obtain three-dimensional model.

[0009]优选的,所述图像信息进一步为所述液态镜头的焦距、光圈和图像的清晰度。 [0009] Preferably, the image information further to the liquid lens focal length, aperture and image sharpness.

[0010]为实现上述目的,本申请还提供了一种基于液态镜头和图像传感器的三维传感器的使用方法,包括以下步骤:镜头焦距控制模块调节电压值;液体镜头的液态表面产生相应的形变,焦距发生渐变;图像采集模块通过液态镜头,采集不同焦距的待测物体的图像信息; [0010] To achieve the above object, the present application also provides a method of using a three-dimensional sensor and the liquid lens based on an image sensor, comprising the steps of: a focal length of the lens control module adjusts a voltage value; the liquid surface of the liquid produces a corresponding deformation of the lens, the focal length of the gradient occurs; image acquisition module through liquid lens, image acquisition object information of different focal lengths to be measured;

对所述图像信息进行分析处理,获取所述待测物体的三维图形。 The image information analysis processing, the acquired three-dimensional graphic object to be measured.

[0011]本申请的有益效果在于:本申请提供的一种基于液态镜头和图像传感器的三维传感器及使用方法,能够自动适应所要拍摄的对象,而不需要机械装置的辅助,只要改变电压的大小就可改变液态镜头的焦距,从而达到自动聚焦和自动变焦的目的。 Advantageous Effects [0011] The present application is: based on one kind of the present application provides a method using the three-dimensional sensor and a liquid lens and an image sensor, it is possible to automatically adapt to the object to be photographed, without the need for auxiliary mechanical devices, as long as the change in voltage magnitude the focal length of the liquid lens can be changed to achieve the purpose of the auto focus and auto-zoom.

附图说明 BRIEF DESCRIPTION

[0012]图1为本申请的一种基于液态镜头和图像传感器的三维传感器的结构框图。 One kind of the present disclosure [0012] FIG. 1 a block diagram of a liquid-based three-dimensional sensor lens and an image sensor.

[0013]图2为本申请的一种基于液态镜头和图像传感器的三维传感器的结构框图。 [0013] FIG. 2 is a block diagram of one kind of the present application based on the three-dimensional sensor liquid lens and an image sensor.

[0014]图3为本申请的一种基于液态镜头和图像传感器的三维传感器的使用方法流程图。 One kind of [0014] FIG. 3 is a flowchart of the present application a method based on the use of three-dimensional sensor of the liquid lens and an image sensor.

[0015]其中,101-镜头焦距控制模块、102-液态镜头、103-图像采集模块、104-运算模块、105-测距辅助模块。 [0015] wherein the focal length of the lens control module 101, 102- liquid lens, image acquisition module 103-, 104- computing module, 105- ranging assistance module.

具体实施方式 detailed description

[0016]下面结合具体实施方式和说明书附图,对本申请作进一步详细的描述,但本申请的实施方式不限于此。 [0016] The following description with reference to specific embodiments and the accompanying drawings, the present application will be further described in detail, embodiments of the present application is not limited thereto.

[0017]如图1所示,一种基于液态镜头和图像传感器的三维传感器,包括液态镜头102、镜头焦距控制模块101、图像采集模块103和运算模块104,其中,镜头焦距控制模块101与液态镜头102相连接,镜头焦距控制模块1I用于通过电压变化调节液态镜头102的焦距;液态镜头102与图像采集模块103相连接,液态镜头102用于在不同电压下改变镜头的焦距;在本申请的实施例中,液态镜头的整体形状像一个圆柱体,它的上下表面由两片薄玻璃片构成,透镜的内侧壁分为两层:一层呈圆柱形、另一层呈圆台形,且上下两层均由金属电极组成,在两个电极之间涂有一层绝缘材料,以使两电极之间不导电;在变焦透镜的容器内注有两种液体,其中一种为电解质,另一种为油性非极性物质,由于互不相溶,两种液体自然就会在其接触面处形成一层清晰可见的透镜层,对光线起到会聚 [0017] As shown, the three-dimensional sensor based liquid lens and an image sensor, comprising a liquid lens 102, the focal length of the lens control module 101, the image acquisition module 103 and a calculation module 104, wherein the control module 1 is the focal length of lens 101 and the liquid lens 102 is connected to the control module 1I lens focal length for adjusting the focus liquid lens 102 by the voltage change; liquid lens 102 is connected to the image acquisition module 103, liquid lens 102 for changing the focal length of the lens at different voltages; in the present application embodiment, the whole liquid lens is shaped like a cylinder whose upper and lower surfaces formed of two thin glass sheet, the inner side wall of the lens into two layers: a layer of a cylindrical shape, another frusto-conical shape, and upper and lower electrode layers by the metal composition, between two electrodes coated with a layer of insulating material, so that between the electrodes nonconductive; the zoom lens in a container marked with two liquids, one of which is an electrolyte, another oily substance nonpolar species, due immiscible, the two liquids will form a natural lens in the visible layer of the contact surface thereof, functions as converging light rays 用。 use.

[0018]在本申请的实施例中,当镜头焦距控制模块101输出的电压改变时,引发液态镜头102中液体的表面张力发生变化,从而调节液态镜头102的焦距。 [0018] In an embodiment of the present application, changing the lens focal length when the voltage output of the control module 101, causing the liquid surface tension of the liquid lens 102 is changed, thereby adjusting the focus of the liquid lens 102.

[0019]图像采集模块103与运算模块104相连接,图像采集模块103用于采集液态镜头102在不同焦距下待测物体的图像信息; [0019] The image acquisition module 103 and is connected to the arithmetic module 104, image acquisition module 103 for acquiring image information of the object under test liquid lens 102 at different focal lengths;

运算模块104,用于对采集的待测物体的图像信息进行三维分析,获得待测物体三维模型。 Computing module 104, image information for the acquired three-dimensional analysis of the measurement object, object to be measured to obtain three-dimensional model.

[0020]在本申请的实施例中,运算模块104,进一步为接收图像采集模块103采集的图像信息并进行分析处理,再将全部图像信息拼接集成三维图像模型,获得待测物体三维模型。 [0020] In an embodiment of the present disclosure, the arithmetic module 104, to receive a further image acquisition module 103 an image information acquisition and analysis process, and then the image information of all the three-dimensional image stitching integration model object to be measured to obtain three-dimensional model.

[0021]在本申请的实施例中,图像信息进一步包括液态镜头的焦距、光圈和图像的清晰度,运算模块根据这些信息可以恢复出待测物体的深度,从而得到待测物体的三维模型。 [0021] In an embodiment of the present application, the image information further comprises a focal length, aperture and the image clarity of the liquid lens, the arithmetic module can be restored in accordance with the depth of the information object to be measured, to thereby obtain a three-dimensional model of the object to be measured.

[0022]如图2所示,本申请的一种基于液态镜头和图像传感器的三维传感器,还包括:测距辅助模块105,用于获取待测物体相对于液态镜头102的距离,并提供给运算模块104,用于辅助三维分析。 [0022] 2 A three-dimensional sensor of the present application is based on a liquid lens and an image sensor, further comprising: a ranging submodule 105, configured to obtain from the object to be measured with respect to the liquid lens 102, and supplied to the calculation module 104, for three-dimensional analytical aid.

[0023]根据本申请的另一个方面,还提供了一种基于液态镜头和图像传感器的三维传感器的使用方法,包括以下步骤:镜头焦距控制模块调节电压值;液体镜头的液态表面产生相应的形变,焦距发生渐变;图像采集模块通过液态镜头,采集不同焦距的待测物体的图像信息;对所述图像信息进行分析处理,获取所述待测物体的三维图形。 [0023] According to another aspect of the present application also provides a method of using a three-dimensional sensor and the liquid lens based on an image sensor, comprising the steps of: a focal length of the lens control module adjusts a voltage value; the liquid surface of the liquid produces a corresponding deformation of the lens , a focal length of the gradient occurs; image acquisition module through liquid lens, image acquisition object information of different focal lengths to be measured; the image information analysis processing to obtain the three-dimensional graphics object to be measured.

[0024]本申请的有益效果在于:本申请提供的一种基于液态镜头和图像传感器的三维传感器及使用方法,能够自动适应所要拍摄的对象,而不需要机械装置的辅助,只要改变电压的大小就可改变液态镜头的焦距,从而达到自动聚焦和自动变焦的目的。 Advantageous Effects [0024] The present application is: based on one kind of the present application provides a method using the three-dimensional sensor and a liquid lens and an image sensor, it is possible to automatically adapt to the object to be photographed, without the need for auxiliary mechanical devices, as long as the change in voltage magnitude the focal length of the liquid lens can be changed to achieve the purpose of the auto focus and auto-zoom.

[0025]根据上述说明书的揭示和教导,本申请所属领域的技术人员还能够对上述实施方式进行变更和修改。 [0025] The disclosure and teachings of the foregoing description, one skilled in the art can also be relevant to application variations and modifications to the above embodiments. 因此,本申请并不局限于上述的具体实施方式,凡是本领域技术人员在本申请的基础上所作出的任何显而易见的改进、替换或变型均属于本申请的保护范围。 Accordingly, the present application is not limited to the specific embodiments, all modifications apparent to any skilled in the art on the basis of the present application made, substitutions or modifications fall within the scope of the present application. 此夕卜,尽管本说明书中使用了一些特定的术语,但这些术语只是为了方便说明,并不对本申请构成任何限制。 Bu this evening, although the present specification using specific terms are employed, these terms are for convenience only and does not constitute any limitation of the present application.

Claims (6)

  1. 1.一种基于液态镜头和图像传感器的三维传感器,其特征在于:包括镜头焦距控制模块、液态镜头、图像采集模块和运算模块,其中, 所述镜头焦距控制模块与所述液态镜头相连接,所述镜头焦距控制模块可以通过输出电压的变化调节所述液态镜头的焦距; 所述液态镜头与所述图像采集模块相连接,所述图像采集模块用于采集液态镜头在不同焦距下待测物体的图像信息; 所述图像采集模块与所述运算模块相连接,所述运算模块用于对采集的待测物体的图像信息进行三维分析,获得待测物体三维模型。 A three-dimensional sensor based liquid lens and an image sensor, characterized by: a control module includes a lens focal length, liquid lens, the image acquisition module and a calculation module, wherein the control module and the lens focal length lens is connected to the liquid, the focal length of the lens control module may adjust the focus of the liquid lens by changing the output voltage; and said liquid lens module is connected to the image acquisition, the image acquisition module for acquiring liquid lens at different focal object to be measured image information; the image acquisition module and the computing module is connected, the three-dimensional calculation means for analyzing the acquired image information object to be measured, the object to be measured to obtain three-dimensional model.
  2. 2.根据权利要求1所述的一种基于液态镜头和图像传感器的三维传感器,其特征在于:还包括测距辅助模块,用于获取所述待测物体相对于所述液态镜头的距离,并提供给所述运算模块,用于辅助三维分析。 According to one of the claim 1 and the liquid lens based on the three-dimensional sensor of an image sensor, characterized by: further comprising a ranging assistant module, configured to obtain the distance to the object to be detected with respect to the liquid lens, and provided to the computing module, to assist three-dimensional analysis.
  3. 3.根据权利要求1所述的一种基于液态镜头和图像传感器的三维传感器,其特征在于:所述液态镜头,进一步为通过电压变化控制液态表面张力发生变化进而调节所述液态镜头的焦距。 3. A method according to claim 1 based on the three-dimensional sensor according to the liquid lens and an image sensor, wherein: said liquid lens, thereby regulating further variation of the focal length of the lens occurs to control the liquid surface tension of the liquid by the voltage change.
  4. 4.根据权利要求1所述的一种基于液态镜头和图像传感器的三维传感器,其特征在于,所述运算模块,进一步为接收所述图像采集模块采集的所述图像信息并进行分析处理,再将全部所述图像信息拼接集成三维图像模型,获得待测物体三维模型。 According to one of the claim 1 and the liquid lens based on the three-dimensional sensor of an image sensor, wherein the arithmetic module is further to receive the image information of the image acquisition module and the analysis processing, and then all the image information is three-dimensional image stitching integration model object to be measured to obtain three-dimensional model.
  5. 5.根据权利要求1所述的一种基于液态镜头和图像传感器的三维传感器,其特征在于,所述图像信息进一步包括所述液态镜头的焦距、光圈和图像的清晰度。 According to one of the claim 1 and the liquid lens based on the three-dimensional sensor of an image sensor, wherein said image information further comprises a sharpness focal length, aperture and the image of the liquid lens.
  6. 6.—种如权利要求1所述的一种基于液态镜头和图像传感器的三维传感器的使用方法,其特征在于,包括以下步骤: 镜头焦距控制模块调节电压值; 液体镜头的液态表面产生相应的形变,焦距发生渐变; 图像采集模块通过液态镜头,采集不同焦距的待测物体的图像信息; 对所述图像信息进行分析处理,获取所述待测物体的三维图形。 6.- one of the species of claim 1, a method based on three-dimensional sensor using a liquid lens and an image sensor, characterized by comprising the steps of: a focal length of the lens control module adjusts a voltage value; the respective liquid surface of the liquid lens produced deformation gradient occurs focal length; image acquisition module through liquid lens, image acquisition object information of different focal lengths to be measured; the image information analysis processing, the acquired three-dimensional graphic object to be measured.
CN 201610132111 2016-03-09 2016-03-09 Liquid camera lens and image sensor-based three-dimensional sensor and use method CN105809688A (en)

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