DEVICE AND METHOD FOR PERFORMING READOUT OF A PIXEL ARRAY IN ROLLING SHUTTER IMAGE SENSOR

    公开(公告)号:US20240340556A1

    公开(公告)日:2024-10-10

    申请号:US18625481

    申请日:2024-04-03

    IPC分类号: H04N25/78 H04N25/531

    CPC分类号: H04N25/78 H04N25/531

    摘要: Disclosed is a method of performing readout of pixel array that includes reading, when a first condition is detected, pixels of a first half and a second half of FD nodes sharing a common Vout line in monotonically increasing and decreasing row orders, respectively. When a second condition is detected, pixels of (Gr, R) rows and (B, Gb) rows connected to different Vout lines are read in opposite respective directions in a first phase and a second phase, respectively. When a third condition is detected, first and second color pixels from first and second Vout lines are read out at each readout instance. When a fourth condition is detected, pixels are read out from even rows of a first half of rows, odd rows of a second half of rows, odd rows of the first half of rows, and even rows of the second half of rows.

    AN IMAGE SENSING SYSTEM
    2.
    发明公开

    公开(公告)号:US20240334075A1

    公开(公告)日:2024-10-03

    申请号:US18292506

    申请日:2022-07-20

    摘要: According to an aspect, there is provided an image sensing system comprising: at least two rolling shutter image sensors, each rolling shutter image sensor comprising an array of pixels in a frame arranged in a plurality of image lines extending along a width direction, and distributed in a scanning direction which is perpendicular to the width direction, wherein each rolling shutter image sensor is configured to scan its frame by sequentially scanning each image line along the scanning direction, wherein scanning each image line includes making the pixels in each image line sensitive to light for a predetermined exposure time, and then determining an intensity readout for each pixel of the respective image line; a controller configured to temporally stagger scanning of frames for each rolling shutter image sensor, such that the controller is configured to start scanning of frames from a first image line in the scanning direction, for each rolling shutter image sensor with a time delay with respect to the other rolling shutter image sensors; a lens system configured to project similar outgoing images of an object onto each rolling shutter image sensor, wherein the outgoing images are projected onto each rolling shutter image sensor such that each pixel of an outgoing image corresponding to a position on the object matches a pixel or group of pixels of another outgoing image corresponding to the respective position on the object, and such that the outgoing images are captured by each rolling shutter image sensor with differing colours of light, defined by different wavelengths; and a processor configured to identify matched pixels of different outgoing images corresponding to a respective position on the object, and to resolve the colour of the object based on the intensity readout of each matched pixel and the colours of light that the respective matched pixels were exposed to while they were sensitive.

    Visual-inertial tracking using rolling shutter cameras

    公开(公告)号:US12028626B2

    公开(公告)日:2024-07-02

    申请号:US18098939

    申请日:2023-01-19

    申请人: Snap Inc.

    摘要: Visual-inertial tracking of an eyewear device using a rolling shutter camera(s). The eyewear device includes a position determining system. Visual-inertial tracking is implemented by sensing motion of the eyewear device. An initial pose is obtained for a rolling shutter camera and an image of an environment is captured. The image includes feature points captured at a particular capture time. A number of poses for the rolling shutter camera is computed based on the initial pose and sensed movement of the device. The number of computed poses is responsive to the sensed movement of the mobile device. A computed pose is selected for each feature point in the image by matching the particular capture time for the feature point to the particular computed time for the computed pose. The position of the mobile device is determined within the environment using the feature points and the selected computed poses for the feature points.

    RGBIR CAMERA MODULE
    6.
    发明公开
    RGBIR CAMERA MODULE 审中-公开

    公开(公告)号:US20240107186A1

    公开(公告)日:2024-03-28

    申请号:US18372047

    申请日:2023-09-22

    申请人: Apple Inc.

    摘要: Embodiments are disclosed for a single RGBIR camera module that is capable of imaging at both the visible and IR wavelengths. In some embodiments, a camera module comprises: an image sensor comprising: a microlens array; a color filter array (CFA) comprising a red filter, a blue filter, a green filter and at least one infrared (IR) filter; and a pixel array comprising pixels to convert light received through the color filter array into electrical signals; and an image signal processor (ISP) configured to: initiate capture of a first frame by reading signal pixels from the pixel array; initiate capture of a second frame by reading IR pixels from the pixel array; align the first and second frames; and extract the second frame from the first frame to generate a third enhanced frame.

    Solid-state imaging element and electronic apparatus

    公开(公告)号:US11910117B2

    公开(公告)日:2024-02-20

    申请号:US17763783

    申请日:2020-09-18

    发明人: Yusaku Sugimori

    摘要: The present disclosure relates to a solid-state imaging element and an electronic apparatus that can achieve a higher image quality. The imaging element includes a pixel having a global drive portion in which all rows are driven at a same timing and a rolling drive portion in which each row is driven at a corresponding timing, a pixel array region in which a plurality of the pixels is placed in an array, a global drive circuit configured to supply a drive signal to the global drive portion, and a rolling drive circuit configured to supply a drive signal to the rolling drive portion. Further, the global drive circuit is placed on each of at least three or more sides of four sides surrounding the pixel array region. The present technology is applicable to a stacked CMOS image sensor, for example.

    Pixel cell and method for operating a pixel cell

    公开(公告)号:US11910111B2

    公开(公告)日:2024-02-20

    申请号:US17264668

    申请日:2019-07-17

    发明人: Guy Meynants

    摘要: A pixel cell includes a pixel set with a plurality of pixels, with each pixel of the pixel set being configured to capture optical information incident upon the respective pixel and generate electrical information representative of the optical information. The pixel cell further includes a readout circuit which is configured to manage collection and output of the electrical information from each pixel of the pixel set and to operate the pixel set in a global shutter mode and in a rolling shutter mode of operation. In the global shutter mode, the electrical information from each pixel is combined for generating a global shutter output signal, while in the rolling shutter mode, the electrical information from each pixel is used to generate individual rolling shutter output signals.

    Devices, system, and methods using transflective mirrors with rolling shutter sensors

    公开(公告)号:US11765472B2

    公开(公告)日:2023-09-19

    申请号:US17463348

    申请日:2021-08-31

    摘要: A system and methods for implementing a transflective mirror as a rolling shutter sensor. The method includes. The method includes a controller setting a current state of an obfuscator to a transmissive state at a first point in time, the first point in time being a time when all pixels of an imaging sensor are in an active state. An imaging sensor then obtains an image of an object in a field of view of the imaging sensor. The image is obtained at a time when the obfuscator is in the transmissive state. The controller then sets the current state of the obfuscator to an obfuscative state at a point in time before a single pixel of the plurality of pixels is switched to an inactive state, wherein the active state of a pixel is a state in which a pixel is an active optical detector, and the inactive state is a state in which a pixel is not an active optical detector.