LIDAR SYSTEM AND METHOD OF OPERATING THE SAME

    公开(公告)号:US20210270943A1

    公开(公告)日:2021-09-02

    申请号:US17313578

    申请日:2021-05-06

    摘要: Light detection and ranging (LiDAR) systems and methods of operating the LiDAR systems are provided. The LiDAR system includes a light emitter configured to emit first lights of different wavelengths in a vertical direction and at different scanning angles with respect to a horizontal axis, a lens configured to converge second lights that are reflected from objects on which the first lights are emitted, and a light filter comprising an active-type device configured to adjust a transmission central wavelength of the active-type device to the different wavelengths of the first lights that are emitted from the light emitter. The LiDAR system further includes a controller configured to control an operation of the light emitter and the light filter, and a detector configured to detect light from the light emitter, and obtain information about the objects.

    METHOD OF MEASURING DISTANCE BY USING 3D DEPTH SENSOR INCLUDING OPTICAL SHUTTER

    公开(公告)号:US20170115394A1

    公开(公告)日:2017-04-27

    申请号:US15076947

    申请日:2016-03-22

    IPC分类号: G01S17/89 G01S17/32

    摘要: A method of measuring a distance by using a 3-dimensional (3D) depth sensor is provided. The method may include: measuring m number of frames using light modulated at a first frequency to determine a first tentative distance from a viewpoint to an object at the first frequency, m being a positive integer; measuring n number of frames using light modulated at a second frequency to determine a second tentative distance from the viewpoint to the object at the second frequency, n being a positive integer, a sum of m and n being four; and determining a resulting distance to the object based on the first distance and the second distance.

    LIDAR SYSTEM AND METHOD OF OPERATING THE SAME

    公开(公告)号:US20190079171A1

    公开(公告)日:2019-03-14

    申请号:US15888537

    申请日:2018-02-05

    IPC分类号: G01S7/487 G01S7/481 G01S17/06

    摘要: Light detection and ranging (LiDAR) systems and methods of operating the LiDAR systems are provided. The LiDAR system includes a light emitter configured to emit first lights of different wavelengths in a vertical direction and at different scanning angles with respect to a horizontal axis, a lens configured to converge second lights that are reflected from objects on which the first lights are emitted, and a light filter comprising an active-type device configured to adjust a transmission central wavelength of the active-type device to the different wavelengths of the first lights that are emitted from the light emitter. The LiDAR system further includes a controller configured to control an operation of the light emitter and the light filter, and a detector configured to detect light from the light emitter, and obtain information about the objects.

    3D IMAGE SENSOR MODULE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20180176540A1

    公开(公告)日:2018-06-21

    申请号:US15883437

    申请日:2018-01-30

    IPC分类号: H04N5/232

    摘要: A three-dimensional (3D) image sensor device and an electronic apparatus including the 3D image sensor device are provided. The 3D image sensor device includes: a shutter driver that generates a driving voltage of a sine wave biased with a first bias voltage, from a loss-compensated recycling energy; an optical shutter that varies transmittance of reflective light reflected from a subject, according to the driving voltage, and modulates the reflective light to generate at least two optical modulation signals having different phases; and an image generator that generates 3D image data for the subject which includes depth information calculated based on a phase difference between the at least two optical modulation signals.

    LiDAR DEVICE AND METHOD OF OPERATING THE SAME

    公开(公告)号:US20190064356A1

    公开(公告)日:2019-02-28

    申请号:US15870005

    申请日:2018-01-12

    IPC分类号: G01S17/10

    摘要: Provided are a LiDAR device and a method of operating the LiDAR device. The LiDAR device includes a light-emitting unit configured to emit modulated light onto an object, a light-receiving unit configured to receive the modulated light reflected by the object, a computation unit configured to calculate a distance to the object based on a reception signal of the modulated light provided by the light-receiving unit, a modulation unit configured to provide a modulation signal to the light-emitting unit to generate the modulated light, and a controller configured to control operations of at least one of the light-emitting unit, the light-receiving unit, the computation unit, and the modulation unit.

    APPARATUS AND METHOD FOR OBTAINING IMAGE
    9.
    发明申请

    公开(公告)号:US20170122731A1

    公开(公告)日:2017-05-04

    申请号:US15081407

    申请日:2016-03-25

    IPC分类号: G01C3/08 G01S17/89

    摘要: An apparatus and method for obtaining a depth image are provided. The apparatus may include a light source configured to emit first light to a first region of an object for a first time period and emit second light to a second region of the object for a second time period, the first light and the second light respectively being reflected from the first region and the second region; and an image obtainer configured to obtain a first partial depth image based on the reflected first light, obtain a second partial depth image based on the reflected second light, and obtain a first depth image of the object based on the first partial depth image and the second partial depth image.