WO2015085750A1 - 一种摄像装置 - Google Patents

一种摄像装置 Download PDF

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Publication number
WO2015085750A1
WO2015085750A1 PCT/CN2014/080816 CN2014080816W WO2015085750A1 WO 2015085750 A1 WO2015085750 A1 WO 2015085750A1 CN 2014080816 W CN2014080816 W CN 2014080816W WO 2015085750 A1 WO2015085750 A1 WO 2015085750A1
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WO
WIPO (PCT)
Prior art keywords
image
lens
unit
light control
control unit
Prior art date
Application number
PCT/CN2014/080816
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English (en)
French (fr)
Inventor
徐晶
李英涛
夏丽敏
Original Assignee
华为技术有限公司
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP14870048.7A priority Critical patent/EP3068129B1/en
Priority to JP2016538678A priority patent/JP6562561B2/ja
Priority to KR1020167017265A priority patent/KR101868008B1/ko
Publication of WO2015085750A1 publication Critical patent/WO2015085750A1/zh
Priority to US15/176,594 priority patent/US10264179B2/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1066—Beam splitting or combining systems for enhancing image performance, like resolution, pixel numbers, dual magnifications or dynamic range, by tiling, slicing or overlapping fields of view
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Definitions

  • the present invention relates to the field of imaging technology, and in particular to an imaging device.
  • the camera of the mobile phone is usually designed on the back or the front of the mobile phone.
  • the user needs to lift the mobile phone to a position almost parallel to the line of sight.
  • two hands are usually used, one hand holds the mobile phone and the other hand shoots. operating.
  • the first lens of the wide-angle lens is generally more prominent, and the surface curvature is larger.
  • the lens of the mobile phone camera cannot use a wide-angle lens with a large volume, so the mobile phone camera cannot achieve a wide-angle effect.
  • Embodiments of the present invention provide an image capturing apparatus to solve the problem that a mobile phone camera cannot achieve a wide-angle effect.
  • a first aspect provides an image pickup apparatus including a first lens and a second lens, wherein the first lens and the second lens are respectively disposed on two adjacent faces of the image capturing device, and the first lens is configured to acquire the first image, The second lens is used to acquire the second image; the light control unit is disposed at the intersection of the optical axis of the first lens and the optical axis of the second lens for transmitting or reflecting the first image, reflecting or transmitting the second image; The image sensing unit is configured to acquire the first image and the second image by the light control unit, and synthesize the first image and the second image into an image of the wide field of view.
  • the first lens acquires the first image at the first time
  • the second lens acquires the second image at the second time, the first time and the second time The moment is different.
  • the light control unit is a half mirror
  • the first image acquired by the first lens is transmitted through the first half.
  • the half mirror reaches the image sensing unit, and the second image acquired by the second lens is reflected by the half mirror to the image sensing unit.
  • the light control unit obtains the first image acquired by the first lens at the first moment, and the light control The unit reflects the second image acquired by the second lens at the second moment.
  • the camera unit further includes a synchronization clock unit, configured to synchronize the first lens and the second lens and the image
  • the sensing unit is configured to match the time when the first lens acquires the first image and the time when the second lens acquires the second image respectively to the exposure time of the image sensing unit; or to synchronize the light control unit and the image sensing unit, The time during which the light control unit is transmitted or reflected matches the exposure time of the image sensing unit.
  • the image capturing unit further includes a lens group unit disposed between the light control unit and the image sensing unit To perform phase difference compensation or zooming on the first image and the second image.
  • the image capturing unit further includes a delay unit disposed between the light control unit and the image sensing unit A microlens array is disposed between the delay unit and the image sensing unit to zoom the first image and the second image.
  • the two adjacent surfaces form a first corner, and the corner adjacent to the first corner is provided
  • the imaging device performs rotational imaging with the central axis of the imaging device to acquire an image of an ultra-wide field of view.
  • the light control unit is at 45° to the optical axis of the first lens or the optical axis of the second lens .
  • the present invention has the following advantages: the first lens is used to acquire the first image, the second lens is used to acquire the second image, and the image sensing unit acquires the first image obtained by the first lens through the light control unit.
  • the image and the second image acquired by the second lens, the image sensing unit synthesizes the image of the wide field of view between the first image and the second image, enabling a wide-angle effect.
  • FIG. 1 is a schematic structural view of an image pickup apparatus according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural view of an image pickup apparatus according to a second embodiment of the present invention.
  • FIG. 3 is a schematic structural view of an image pickup apparatus according to a third embodiment of the present invention.
  • FIG. 4 is a schematic structural view of an image pickup apparatus according to a fourth embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an image pickup apparatus according to a fifth embodiment of the present invention.
  • FIG. 6 is a schematic structural view of an image pickup apparatus according to a sixth embodiment of the present invention.
  • Fig. 7 is a view showing the configuration of an image pickup apparatus according to a seventh embodiment of the present invention.
  • FIG. 1 is a schematic structural view of an image pickup apparatus according to a first embodiment of the present invention.
  • the image pickup apparatus 10 disclosed in this embodiment includes at least one image pickup unit 100.
  • the imaging unit 100 includes a first lens 101 and a second lens 102, a light control unit 103, and an image sensing unit 104.
  • the first lens 101 and the second lens 102 are respectively disposed on two adjacent faces of the image pickup apparatus 10.
  • the first lens 101 and the second lens 102 are respectively disposed on two adjacent sides of the imaging device 10, and the first lens 101 is disposed on the front side 11 of the imaging device 10 at a position on the right side, and second.
  • the lens 102 is disposed at a position on the right side surface 12 of the image pickup apparatus 10 and forward.
  • the field of view of the first lens 101 and the field of view of the second lens 102 have a certain overlapping area A, the first lens 101 is used to acquire a first image, and the second lens 102 is used to acquire a second image.
  • first lens 101 and the second lens 102 are each composed of a plurality of glass or plastic lenses, and the specifications of the first lens 101 are the same as those of the second lens 102. In other embodiments of the present invention, the specification parameters of the first lens 101 and the specification parameters of the second lens 102 may be different.
  • the light control unit 103 is disposed at the intersection 107 of the optical axis 105 of the first lens 101 and the optical axis 106 of the second lens 102. Alternatively, the light control unit 103 is at 45° to the optical axis 105 of the first lens 101 or the optical axis 106 of the second lens 102.
  • the light control unit 103 disclosed in this embodiment is at 45° with the optical axis 105 of the first lens 101 and the optical axis 106 of the second lens 102, and the first lens 101 and the second lens 102 are mirrored with respect to the light control unit 103. symmetry.
  • the light control unit 103 is configured to transmit or reflect the first image, and reflect or transmit the second image.
  • the light control unit 103 disclosed in this embodiment is configured to transmit the first image and reflect the second image. Both the first image and the second image can reach the image sensing unit 104.
  • the image sensing unit 104 is configured to collect the first image acquired by the first lens 101 by the light control unit 103, and collect the second image acquired by the second lens 102 by the light control unit 103 to implement multiplexing.
  • Image sensing unit 104 The image sensing unit 104 combines the first image and the second image into a wide field of view image to achieve a wide-angle effect.
  • the image capturing apparatus 10 of the present embodiment multiplexes one image sensing unit 104, saving the volume of the image capturing device 10 and reducing cost.
  • the imaging device 10 of the embodiment can be selected as a mobile phone having an imaging function.
  • the camera device 10 may also be a palmtop computer, a tablet computer, or the like having an imaging function.
  • the present invention also provides the image pickup apparatus of the second embodiment, which is described in detail based on the image pickup apparatus 10 disclosed in the first embodiment.
  • the image pickup apparatus 20 disclosed in this embodiment further includes a processor 210, and the processor 210 is connected to the first lens 201 and the second lens 202, respectively.
  • the first lens 201 includes a first control variable aperture 211
  • the second lens 202 includes a second control variable aperture 212.
  • the processor 210 is connected to the first control variable aperture 211 and the second control variable aperture 212, respectively, and provides control signals to the first control variable aperture 211 and the second control variable aperture 212 to cause the processor 210.
  • the first lens 201 is controlled to acquire the first image at the first time t1 by the first control variable aperture 211
  • the second lens 202 is controlled to acquire the second image at the second time t2 by the second control variable aperture 212.
  • the values of the first time t1 and the second time t2 are 0.08-0.11 s, and the first time t1 is different from the second time t2.
  • the first lens 201 and the second lens 202 may implement the first lens 201 to acquire the first image at the first time t1 and the second lens 202 to acquire the second image at the second time t2.
  • the first lens 201 and the second lens 202 each include a controllable shutter.
  • the light control unit 203 is a semi-transparent mirror, and one side of the half mirror can completely transmit light, and the other side can completely reflect light, and has low absorption characteristics.
  • the first lens 201 acquires the first image, the first image completely passes through the half mirror to reach the image sensing unit 204;
  • the second lens 202 acquires the second image, The two images are completely reflected by the half mirror to the image sensing unit 204.
  • the imaging unit 200 disclosed in this embodiment further includes a synchronization clock unit 213, which is respectively connected to the first lens 201, the second lens 202, and the image sensing unit 204, and the synchronization clock unit 213 is used to synchronize the first lens 201.
  • the second lens 202 and the image sensing unit 204 to match the switching time of the first control iris 211 with the exposure time of the image sensing unit 204, and the switching time of the first control iris 211 is the first lens 201: acquiring the time of the first image, the switching time of the second control variable aperture 212 is matched with the exposure time of the image sensing unit 204, and the switching time of the second control variable aperture 212 is the second lens 202 acquiring the second image. time.
  • the time difference of the synchronous clock unit 213 can be selected to be 10 ms.
  • the synchronous clock unit 213 may be disposed on other devices of the camera device 20, for example, the processor 210 is provided with a synchronous clock unit 213.
  • the image sensing unit 204 is disposed on the image planes of the first lens 201 and the second lens 202.
  • the image sensing unit 204 acquires the first image at the first time t1 through the half mirror, acquires the second image at the second time t2, and splices the first image and the second image into a wide field of view through the image stitching algorithm. Image to achieve wide angle effect.
  • the camera unit 200 further includes a lens group unit 214 disposed between the light control unit 203 and the image sensing unit 204.
  • the lens group unit 214 is an aberration compensation lens group
  • the lens group unit 214 is for compensating for aberrations generated after the light of the first lens 201 and the second lens 202 passes through the transmission or reflection of the light control unit 203 to reduce image transmission.
  • the aberration of the image on the sensing unit 204 compensates for the first image and the second image.
  • the lens group unit 214 is a zoom lens group
  • the lens group unit 214 is for changing the focal length of the image pickup device 20 to zoom the first image and the second image, wherein the zoom lens group may include a device such as a voice coil motor.
  • the user can perform rotational imaging with the central axis 220 of the imaging device 20 as a rotation axis, and the image sensing unit 204 splicing a plurality of images into a single spherical effect image.
  • the present invention also provides an image pickup apparatus of a third embodiment which is described in detail based on the image pickup apparatus 20 disclosed in the second embodiment.
  • the imaging device disclosed in this embodiment is different from the imaging device 20 disclosed in the second embodiment in that, as shown in FIG. 3, the light control unit 303 of the present embodiment applies/retracts a voltage at a first time t1, and the light control is performed.
  • the unit 303 completely transmits the first image; the light control unit 303 retreats/applies a voltage at the second time t2, and the light control unit 303 completely reflects the second image. Therefore, the light control unit 303 transmits the first image at the first time t1 and the second image at the second time t2.
  • the synchronous clock unit 313 is connected to the first lens 301, the second lens 302, the light control unit 303, and the image sensing unit 304, respectively, to synchronize the first lens 301, the second lens 302, the light control unit 303, and the image sensing unit 304.
  • the image sensing unit 304 acquires the first image at the first time t1 by the light control unit 303, acquires the second image at the second time t2, and stitches the first image and the second image into a wide field of view image by the image stitching algorithm. To achieve a wide-angle effect.
  • the present invention also provides an image pickup apparatus of a fourth embodiment which is described in detail based on the image pickup apparatus 10 disclosed in the first embodiment.
  • the imaging unit 400 disclosed in this embodiment further includes a synchronous clock unit 413.
  • the first lens 401 acquires the first image
  • the second lens 402 acquires the second image.
  • the light control unit 403 applies/retracts the voltage at the first time t1, the light control unit 403 completely transmits the first image, and the light control unit 403 completely transmits the second image; the light control unit 403 withdraws/applies the voltage at the second time t2.
  • the light control unit 403 completely blocks the first image while the light control unit 403 completely reflects the second image. Therefore, the light control unit 403 transmits the first image at the first time t1 and the second image at the second time t2.
  • the synchronous clock unit 413 is connected to the light control unit 403 and the image sensing unit 404, respectively, to synchronize the light control unit 403 and the image sensing unit 404, so that the transmission or reflection time of the light control unit 403 is The exposure times of the image sensing unit 404 are matched.
  • the synchronous clock unit 413 is the same as the synchronous clock unit 213 disclosed in the second embodiment.
  • the image sensing unit 404 collects the first image at the first time t1 by the light control unit 403, acquires the second image at the second time t2, and stitches the first image and the second image into a wide field of view image by an image stitching algorithm. To achieve a wide-angle effect.
  • the camera unit further includes a lens group unit 414 disposed between the light control unit 403 and the image sensing unit 404.
  • the lens group unit 414 is an aberration compensation lens group
  • the lens group unit 414 is used to compensate for aberrations generated after the light of the first lens 401 and the second lens 402 passes through the transmission or reflection of the light control unit 403 to reduce image transmission.
  • the aberration of the image on the sensing unit 404 in turn, compensates for the first image and the second image.
  • the lens group unit 414 is a zoom lens group
  • the lens group unit 414 is for changing a focal length of the image pickup device to zoom the first image and the second image, wherein the zoom lens group may include a device such as a voice coil motor.
  • the present invention also provides an image pickup apparatus of a fifth embodiment which is described in detail based on the image pickup apparatus 10 disclosed in the first embodiment.
  • the imaging unit 500 disclosed in this embodiment further includes a delay unit 515 and a microlens array 516, wherein the delay unit 515 and the microlens array 516 are disposed between the light control unit 503 and the image sensing unit 504. That is, the delay unit 515 is disposed near the light control unit 503, and the microlens array 516 is disposed between the delay unit 515 and the image sensing unit 504.
  • the delay unit 515 is for delaying the image planes of the first lens 501 and the second lens 502 to a plane after the delay unit 515, and has a zoom function; the microlens array 516 is for projecting the light passing through the delay unit 515 to the image sensing On unit 504, the first image and the second image are zoomed.
  • the present invention further provides an image pickup apparatus according to a sixth embodiment.
  • the image pickup apparatus 60 disclosed in this embodiment includes a first image pickup unit 600 and a second image pickup unit 601, and two adjacent faces of the image pickup device 60 are formed.
  • the first corner 63 optionally, the front side 61 and the right side 62 of the camera device 60 form a first corner 63, a corner 64 adjacent to the first corner 61, wherein the first camera unit 600 is disposed at the first corner 63
  • the second imaging unit 601 is disposed at the corner 64.
  • the first imaging unit 600 and the second imaging unit 601 may be the imaging unit 100 of the first embodiment, the imaging unit 200 of the second embodiment, the imaging unit of the third embodiment, the imaging unit 400 of the fourth embodiment, or the first The imaging unit 500 of the fifth embodiment. Further, the imaging device 60 performs rotational imaging with the central axis 602 of the imaging device 60 as a central axis of rotation to acquire an image of an ultra-wide field of view.
  • the present invention also provides an image pickup apparatus according to a seventh embodiment.
  • the image pickup apparatus 70 disclosed in this embodiment includes at least one image pickup unit 700.
  • the camera 700 includes at least a first lens 701 and a second lens 702, a light controller 703, and an image sensor 704.
  • the first lens 701 and the second lens 702 are respectively disposed on two adjacent sides of the imaging device 70, that is, the first lens 701 is disposed on the front side 71 of the imaging device 70 and is on the right side.
  • the second lens 702 is disposed at a position on the right side surface 72 of the imaging device 70 at a position forward.
  • the field of view of the first lens 701 and the field of view of the second lens 702 have a certain overlapping area A, the first lens 701 is used to acquire a first image, and the second lens 702 is used to acquire a second image.
  • the light controller 703 is disposed at the intersection 707 of the optical axis 705 of the first lens 701 and the optical axis 706 of the second lens 702.
  • the light controller 703 is at 45° to the optical axis 705 of the first lens 701 or the optical axis 706 of the second lens 702.
  • the light controller 703 disclosed in this embodiment is at 45° with the optical axis 705 of the first lens 701 and the optical axis 706 of the second lens 702, and the first lens 701 and the second lens 702 are mirrored with respect to the light controller 703. symmetry.
  • the light controller 703 is configured to transmit or reflect the first image or the second image.
  • the light controller 703 disclosed in this embodiment is configured to transmit the first image and reflect the second image to make the first image and Both images can reach image sensor 704.
  • the image sensor 704 is configured to acquire the first image by the light controller 703 at the first time t1, and acquire the second image by the light controller 703 at the second time t2, to implement multiplexing of the image sensor 704.
  • the values of the first time t1 and the second time t2 may be selected from 0.08 to 0.11 s.
  • the image sensor 704 combines the first image and the second image into a wide field of view image to realize a wide-angle effect. Further, the image pickup apparatus 70 of the present embodiment multiplexes one image sensor 704, saving the volume of the image pickup device 70 and reducing the cost.
  • the first lens is used to acquire the first image
  • the second lens is used to acquire the second image
  • the image sensing unit acquires the first image and the second lens acquired by the first lens through the light control unit.
  • the second image and the first image and the second image are combined into a wide field of view image to achieve a wide-angle effect.
  • the present invention multiplexes an image sensing unit, saving the size of the image capturing device and reducing the cost.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cameras In General (AREA)
  • Studio Devices (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

本发明公开了一种摄像装置。该摄像装置包括第一镜头和第二镜头，第一镜头和第二镜头分别设置于摄像装置的两个相邻面上，第一镜头用于获取第一图像，第二镜头用于获取第二图像；光线控制单元，设置于第一镜头的光轴与第二镜头的光轴的交汇处，用于透过或反射第一图像，反射或透过第二图像；图像传感单元，用于通过光线控制单元采集第一图像和第二图像，并将第一图像和第二图像合成宽视场的图像。通过上述方式，本发明能够实现手机的广角效果。

Description

一种摄像装置
【技术领域】
本发明涉及摄像技术领域，特别是涉及一种摄像装置。
【背景技术】
目前，手机的摄像头通常设计在手机的背面或正面，用户需要将手机举起到与视线几乎平行的位置，进行拍照时通常使用两只手，一只手举起手机，另一只手进行拍摄操作。
现有技术的广角镜头为了获得较大的视场，即收集到更广范围的光线，广角镜头的第一片透镜通常比较突出，表面曲率较大。但是手机摄像头的镜头不能选用体积较大的广角镜头，因此手机摄像头无法实现广角效果。
【发明内容】
本发明实施例提供了一种摄像装置，以解决手机摄像头无法实现广角效果的问题。
第一方面提供一种摄像装置，其包括第一镜头和第二镜头，第一镜头和第二镜头分别设置于摄像装置的两个相邻面上，第一镜头用于获取第一图像，第二镜头用于获取第二图像；光线控制单元，设置于第一镜头的光轴与第二镜头的光轴的交汇处，用于透过或反射第一图像，反射或透过第二图像；图像传感单元，用于通过光线控制单元采集第一图像和第二图像，并将第一图像和第二图像合成宽视场的图像。
结合第一方面的实现方式，在第一方面的第一种实现方式中，第一镜头在第一时刻获取第一图像，第二镜头在第二时刻获取第二图像，第一时刻与第二时刻不相同。
结合第一方面的实现方式或第一方面的第一种实现方式，在第一方面的第二种实现方式中，光线控制单元为半透半反镜，第一镜头获取的第一图像透过半透半反镜到达图像传感单元，第二镜头获取的第二图像通过半透半反镜反射到图像传感单元。
结合第一方面的实现方式或第一方面的第一种实现方式，在第一方面的第三种实现方式中，光线控制单元在第一时刻透过第一镜头获取的第一图像，光线控制单元在第二时刻反射第二镜头获取的第二图像。
结合第一方面的实现方式至第一方面的第三种实现方式，在第一方面的第四种实现方式中，摄像单元还包括同步时钟单元，用于同步第一镜头和第二镜头与图像传感单元，以使第一镜头获取第一图像的时间和第二镜头获取第二图像的时间分别与图像传感单元的曝光时间相匹配；或者用于同步光线控制单元与图像传感单元，以使光线控制单元的透过或反射的时间与图像传感单元的曝光时间相匹配。
结合第一方面的实现方式至第一方面的第四种实现方式，在第一方面的第五种实现方式中，摄像单元还包括透镜组单元，设置在光线控制单元和图像传感单元之间，以对第一图像和第二图像进行相差补偿或变焦。
结合第一方面的实现方式至第一方面的第五种实现方式，在第一方面的第六种实现方式中，摄像单元还包括设置在光线控制单元与图像传感单元之间的延迟单元和微透镜阵列，微透镜阵列设置在延迟单元与图像传感单元之间，以对第一图像和第二图像进行变焦。
结合第一方面的实现方式至第一方面的第六种实现方式，在第一方面的第七种实现方式中，两个相邻面形成第一拐角，与第一拐角相邻的拐角设有摄像单元，摄像装置以摄像装置的中轴进行旋转拍摄，以获取超宽视场的图像。
结合第一方面的实现方式至第一方面的第七种实现方式，在第一方面的第八种实现方式中，光线控制单元与第一镜头的光轴或第二镜头的光轴成45°。
通过上述方案，本发明的有益效果是：本发明通过第一镜头用于获取第一图像，第二镜头用于获取第二图像，图像传感单元通过光线控制单元采集第一镜头获取的第一图像和第二镜头获取的第二图像，图像传感单元将第一图像和第二图像合成宽视场的图像，能够实现广角效果。
【附图说明】
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，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。其中：
图1是本发明第一实施例的摄像装置的结构示意图；
图2是本发明第二实施例的摄像装置的结构示意图；
图3是本发明第三实施例的摄像装置的结构示意图；
图4是本发明第四实施例的摄像装置的结构示意图；
图5是本发明第五实施例的摄像装置的结构示意图；
图6是本发明第六实施例的摄像装置的结构示意图；
图7是本发明第七实施例的摄像装置的结构示意图。
【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做出创造性的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。
请参见图1所示，图1是本发明第一实施例的摄像装置的结构示意图。如图1所示，本实施例所揭示的摄像装置10包括至少一个摄像单元100。其中，摄像单元100包括：第一镜头101和第二镜头102、光线控制单元103以及图像传感单元104。
在本实施例中，第一镜头101和第二镜头102分别设置于摄像装置10的两个相邻面上。可选地，第一镜头101和第二镜头102分别设置于摄像装置10相邻的两个侧面上，第一镜头101设置在摄像装置10的前侧面11且偏右侧的位置上，第二镜头102设置在摄像装置10的右侧面12且偏前方的位置上。第一镜头101的视场与第二镜头102的视场具有一定的重叠区域A，第一镜头101用于获取第一图像，第二镜头102用于获取第二图像。此外，第一镜头101和第二镜头102均由多片玻璃或塑料镜片组成，第一镜头101的规格参数与第二镜头102的规格参数相同。在本发明的其他实施例中，第一镜头101的规格参数与第二镜头102的规格参数可以不相同。
其中，光线控制单元103设置在第一镜头101的光轴105和第二镜头102的光轴106的交汇处107。可选地，光线控制单元103与第一镜头101的光轴105或第二镜头102的光轴106成45°。本实施例所揭示的光线控制单元103与第一镜头101的光轴105和第二镜头102的光轴106均成45°，第一镜头101和第二镜头102相对于光线控制单元103成镜面对称。另外，光线控制单元103用于透过或反射第一图像，反射或透过第二图像，本实施例所揭示的光线控制单元103用于透过第一图像，并反射第二图像，以使第一图像和第二图像均能到达图像传感单元104。
在本实施例中，图像传感单元104用于通过光线控制单元103采集第一镜头101获取的第一图像，且通过光线控制单元103采集第二镜头102获取的第二图像，实现复用一个图像传感单元104。图像传感单元104将第一图像和第二图像合成宽视场的图像，实现广角效果，此外，本实施例的摄像装置10复用一个图像传感单元104，节省摄像装置10的体积，降低成本。
本实施例的摄像装置10可选为具有摄像功能的手机。在本发明的其他实施例中，摄像装置10还可以为具有摄像功能的掌上电脑、平板电脑等。
本发明还提供第二实施例的摄像装置其在第一实施例所揭示的摄像装置10的基础上进行详细描述。如图2所示，本实施例所揭示的摄像装置20还包括处理器210，处理器210分别与第一镜头201和第二镜头202连接。
在本实施例中，第一镜头201包括第一控制可变光圈211，第二镜头202包括第二控制可变光圈212。其中，处理器210分别与第一控制可变光圈211和第二控制可变光圈212连接，并向第一控制可变光圈211和第二控制可变光圈212提供控制信号，以使得处理器210通过第一控制可变光圈211控制第一镜头201在第一时刻t1获取第一图像，通过第二控制可变光圈212控制第二镜头202在第二时刻t2获取第二图像。可选地，第一时刻t1和第二时刻t2的取值为0.08-0.11s，且第一时刻t1与第二时刻t2不相同。在本发明的其他事实例中，第一镜头201和第二镜头202可以通过其他方式实现第一镜头201在第一时刻t1获取第一图像和第二镜头202在第二时刻t2获取第二图像，例如，第一镜头201和第二镜头202均包括可控制快门。
在本实施例中，光线控制单元203为半透半反镜，半透半反镜的一面能够完全透过光线，另一面能够完全反射光线，具有低吸收的特性。其中，在第一时刻t1，第一镜头201获取第一图像，第一图像完全透过半透半反镜到达图像传感单元204；在第二时刻t2，第二镜头202获取第二图像，第二图像通过半透半反镜完全反射到图像传感单元204。
本实施例所揭示的摄像单元200还包括同步时钟单元213，同步时钟单元213分别与第一镜头201、第二镜头202以及图像传感单元204连接，同步时钟单元213用于同步第一镜头201和第二镜头202与图像传感单元204，以使第一控制可变光圈211的开关时间与图像传感单元204的曝光时间相匹配，第一控制可变光圈211的开关时间为第一镜头201获取第一图像的时间，第二控制可变光圈212的开关时间与图像传感单元204的曝光时间相匹配，第二控制可变光圈212的开关时间为第二镜头202获取第二图像的时间。其中，同步时钟单元213的时间差可选为10ms。在本发明的其它实施例中，同步时钟单元213可以设置在摄像装置20的其它器件上，例如，处理器210设置有同步时钟单元213。
在本实施例中，图像传感单元204设置在第一镜头201和第二镜头202的像平面。图像传感单元204通过半透半反镜在第一时刻t1采集第一图像，在第二时刻t2采集第二图像，并通过图像拼接算法将第一图像和第二图像拼接合成宽视场的图像，以实现广角效果。
可选的，摄像单元200还包括透镜组单元214，透镜组单元214设置在光线控制单元203和图像传感单元204之间。当透镜组单元214为像差补偿透镜组时，透镜组单元214用于补偿第一镜头201和第二镜头202的光线经过光线控制单元203的透射或反射之后产生的像差，以减少图像传感单元204上图像的像差，进而对第一图像和第二图像进行相差补偿。当透镜组单元214为变焦透镜组时，透镜组单元214用于改变摄像装置20的焦距，以对第一图像和第二图像进行变焦，其中变焦透镜组可以包括音圈马达等器件。
此外，用户可以以摄像装置20的中轴220为旋转轴进行旋转拍摄，图像传感单元204将多张图像拼接合成一个球幕效果的图像。
本发明还提供第三实施例的摄像装置其在第二实施例所揭示的摄像装置20的基础上进行详细描述。本实施例所揭示的摄像装置与第二实施例所揭示的摄像装置20不同之处在于：如图3所示，本实施例的光线控制单元303在第一时刻t1施加/退去电压，光线控制单元303完全透过第一图像；光线控制单元303在第二时刻t2退去/施加电压，光线控制单元303完全反射第二图像。因此，光线控制单元303在第一时刻t1透过第一图像，在第二时刻t2反射第二图像。
同步时钟单元313分别与第一镜头301、第二镜头302、光线控制单元303以及图像传感单元304连接，以同步第一镜头301、第二镜头302、光线控制单元303与图像传感单元304。图像传感单元304通过光线控制单元303在第一时刻t1采集第一图像，在第二时刻t2采集第二图像，并通过图像拼接算法将第一图像和第二图像拼接合成宽视场的图像，以实现广角效果。
本发明还提供第四实施例的摄像装置其在第一实施例所揭示的摄像装置10的基础上进行详细描述。如图4所示，本实施例所揭示的摄像单元400还包括同步时钟单元413。
在本实施例中，用户触发拍照指令时，第一镜头401获取第一图像，第二镜头402获取第二图像。光线控制单元403在第一时刻t1施加/退去电压，光线控制单元403完全透过第一图像，同时光线控制单元403完全透过第二图像；光线控制单元403在第二时刻t2退去/施加电压，光线控制单元403完全阻挡第一图像，同时光线控制单元403完全反射第二图像。因此，光线控制单元403在第一时刻t1透过第一图像，在第二时刻t2反射第二图像。
在本实施例中，同步时钟单元413分别与光线控制单元403以及图像传感单元404连接，以同步光线控制单元403与图像传感单元404，以使光线控制单元403的透过或反射时间与图像传感单元404的曝光时间相匹配。其中，同步时钟单元413与第二实施例所揭示的同步时钟单元213相同。图像传感单元404通过光线控制单元403在第一时刻t1采集第一图像，在第二时刻t2采集第二图像，并通过图像拼接算法将第一图像和第二图像拼接合成宽视场的图像，以实现广角效果。
可选的，摄像单元还包括透镜组单元414，透镜组单元414设置在光线控制单元403和图像传感单元404之间。当透镜组单元414为像差补偿透镜组时，透镜组单元414用于补偿第一镜头401和第二镜头402的光线经过光线控制单元403的透射或反射之后产生的像差，以减少图像传感单元404上图像的像差，进而对第一图像和第二图像进行相差补偿。当透镜组单元414为变焦透镜组时，透镜组单元414用于改变摄像装置的焦距，以对第一图像和第二图像进行变焦，其中变焦透镜组可以包括音圈马达等器件。
本发明还提供第五实施例的摄像装置其在第一实施例所揭示的摄像装置10的基础上进行详细描述。如图5所示，本实施例所揭示的摄像单元500还包括延迟单元515和微透镜阵列516，其中延迟单元515和微透镜阵列516设置在光线控制单元503和图像传感单元504之间，即延迟单元515靠近光线控制单元503设置，微透镜阵列516设置在延迟单元515与图像传感单元504之间。延迟单元515用于将第一镜头501和第二镜头502的像平面延迟到延迟单元515之后的平面，并且具有变焦功能；微透镜阵列516用于将通过延迟单元515的光线投影到图像传感单元504上，以对第一图像和第二图像进行变焦。
本发明还提供第六实施例的摄像装置，如图6所示，本实施例所揭示的摄像装置60包括第一摄像单元600和第二摄像单元601，摄像装置60的两个相邻面形成第一拐角63，可选地，摄像装置60的前侧面61和右侧面62形成第一拐角63，与第一拐角61相邻的拐角64，其中第一摄像单元600设置于第一拐角63，第二摄像单元601设置于拐角64。其中第一摄像单元600和第二摄像单元601可以为第一实施例的摄像单元100、第二实施例的摄像单元200、第三实施例的摄像单元、第四实施例的摄像单元400或第五实施例的摄像单元500。此外，摄像装置60以摄像装置60的中轴602为旋转中轴进行旋转拍摄，以获取超宽视场的图像。
本发明还提供第七实施例的摄像装置，如图7所示，本实施例所揭示的摄像装置70包括至少一个摄像器700。其中，摄像器700包括：至少第一镜头701和第二镜头702、光线控制器703以及图像传感器704。
在本实施例中，第一镜头701和第二镜头702分别设置在摄像装置70相邻的两个侧面上，即第一镜头701设置在摄像装置70的前侧面71且偏右侧的位置上，第二镜头702设置在摄像装置70的右侧面72且偏前方的位置上。第一镜头701的视场与第二镜头702的视场具有一定的重叠区域A，第一镜头701用于获取第一图像，第二镜头702用于获取第二图像。
其中，光线控制器703设置在第一镜头701的光轴705和第二镜头702的光轴706的交汇处707。可选地，光线控制器703与第一镜头701的光轴705或第二镜头702的光轴706成45°。本实施例所揭示的光线控制器703与第一镜头701的光轴705和第二镜头702的光轴706均成45°，第一镜头701和第二镜头702相对于光线控制器703成镜面对称。另外，光线控制器703用于透过或反射第一图像或第二图像，本实施例所揭示的光线控制器703用于透过第一图像，并反射第二图像，以使第一图像和第二图像均能到达图像传感器704。
在本实施例中，图像传感器704用于通过光线控制器703在第一时刻t1采集第一图像，且通过光线控制器703在第二时刻t2采集第二图像，实现复用一个图像传感器704，第一时刻t1和的第二时刻t2的取值可选为0.08-0.11s。图像传感器704将第一图像和第二图像合成宽视场的图像，实现广角效果，此外，本实施例的摄像装置70复用一个图像传感器704，节省摄像装置70的体积，降低成本。
综上所述，本发明通过第一镜头用于获取第一图像，第二镜头用于获取第二图像，图像传感单元通过光线控制单元采集第一镜头获取的第一图像和第二镜头获取的第二图像，并将第一图像和第二图像合成宽视场的图像，能够实现广角效果，此外，本发明复用一个图像传感单元，节省摄像装置的体积，降低成本。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (9)

  1. 一种摄像装置，所述摄像装置包括至少一个摄像单元，其特征在于，所述摄像单元包括：
    第一镜头和第二镜头，所述第一镜头和第二镜头分别设置于所述摄像装置的两个相邻面上，所述第一镜头用于获取第一图像，所述第二镜头用于获取第二图像；
    光线控制单元，设置于所述第一镜头的光轴与所述第二镜头的光轴的交汇处，用于透过或反射所述第一图像，反射或透过所述第二图像；
    图像传感单元，用于通过所述光线控制单元采集所述第一图像和所述第二图像，并将所述第一图像和所述第二图像合成宽视场的图像。
  2. 根据权利要求1所述的摄像装置，其特征在于，所述第一镜头在第一时刻获取所述第一图像，所述第二镜头在第二时刻获取所述第二图像，所述第一时刻与所述第二时刻不相同。
  3. 根据权利要求1或2所述的摄像装置，其特征在于，所述光线控制单元为半透半反镜，所述第一镜头获取的第一图像透过所述半透半反镜到达所述图像传感单元，所述第二镜头获取的第二图像通过所述半透半反镜反射到所述图像传感单元。
  4. 根据权利要求1或2所述的摄像装置，其特征在于，所述光线控制单元在第一时刻透过所述第一镜头获取的第一图像，所述光线控制单元在第二时刻反射所述第二镜头获取的第二图像。
  5. 根据权利要求1至4任一所述的摄像装置，其特征在于，所述摄像单元还包括同步时钟单元，用于同步所述第一镜头和第二镜头与所述图像传感单元，以使所述第一镜头获取第一图像的时间和所述第二镜头获取第二图像的时间分别与所述图像传感单元的曝光时间相匹配；或者用于同步所述光线控制单元与所述图像传感单元，以使所述光线控制单元的透过或反射的时间与所述图像传感单元的曝光时间相匹配。
  6. 根据权利要求1至5任一所述的摄像装置，其特征在于，所述摄像单元还包括透镜组单元，设置在所述光线控制单元和所述图像传感单元之间，以对所述第一图像和所述第二图像进行相差补偿或变焦。
  7. 根据权利要求1至6任一所述的摄像装置，其特征在于，所述摄像单元还包括设置在所述光线控制单元与所述图像传感单元之间的延迟单元和微透镜阵列，所述微透镜阵列设置在所述延迟单元与所述图像传感单元之间，以对所述第一图像和所述第二图像进行变焦。
  8. 根据权利要求1至7任一所述的摄像装置，其特征在于，所述两个相邻面形成第一拐角，与所述第一拐角相邻的拐角设有所述摄像单元，所述摄像装置以所述摄像装置的中轴进行旋转拍摄，以获取超宽视场的图像。
  9. 根据权利要求1至8任一所述的摄像装置，其特征在于，所述光线控制单元与所述第一镜头的光轴或所述第二镜头的光轴成45°。
PCT/CN2014/080816 2013-12-12 2014-06-26 一种摄像装置 WO2015085750A1 (zh)

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