IMAGE SENSOR EMPLOYING AVALANCHE DIODE AND SHARED OUTPUT CIRCUIT

    公开(公告)号:US20230083226A1

    公开(公告)日:2023-03-16

    申请号:US17983099

    申请日:2022-11-08

    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.

    IMAGE SENSOR EMPLOYING AVALANCHE DIODE AND SHARED OUTPUT CIRCUIT

    公开(公告)号:US20220124271A1

    公开(公告)日:2022-04-21

    申请号:US17562326

    申请日:2021-12-27

    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.

    3D PHYSIOLOGICAL DETECTION SYSTEM AND HOST DISPLAYING 3D ENERGY DISTRIBUTION

    公开(公告)号:US20210321891A1

    公开(公告)日:2021-10-21

    申请号:US17362297

    申请日:2021-06-29

    Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.

    3D PHYSIOLOGICAL DETECTION SYSTEM AND OPERATING METHOD THEREOF
    16.
    发明申请
    3D PHYSIOLOGICAL DETECTION SYSTEM AND OPERATING METHOD THEREOF 审中-公开
    3D生理检测系统及其操作方法

    公开(公告)号:US20160174856A1

    公开(公告)日:2016-06-23

    申请号:US14847143

    申请日:2015-09-08

    Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.

    Abstract translation: 提供了包括图像传感器,转换单元,检索单元和处理单元的生理检测系统。 图像传感器包括分别被配置为输出PPG信号的多个像素。 转换单元被配置为将多个像素区域的多个PPG信号转换为多个频域信号。 检索单元被配置为分别检索对应于每个像素区域的频域信号的频谱能量。 处理单元被配置为根据光谱能量构建3D能量分布。

    STORAGE MEDIA FOR COMPUTING POSITION OF OBJECT USING SPECKLE PATTERN
    17.
    发明申请
    STORAGE MEDIA FOR COMPUTING POSITION OF OBJECT USING SPECKLE PATTERN 有权
    使用规格图案计算对象位置的存储介质

    公开(公告)号:US20130329963A1

    公开(公告)日:2013-12-12

    申请号:US13967430

    申请日:2013-08-15

    CPC classification number: G06K9/6215 G01B11/026 G01S17/46

    Abstract: A storage media provided by the present invention, has a non-transitory processing software for computing a position of an object in a distance measurement system, the execution of the processing software comprising: receiving a plurality of reference image information contained in an image with a speckle pattern, wherein the image is projected from a light beam on a plurality of reference flat surfaces which are located on different position points, and the speckle contains a plurality of speckles; receiving an object image information contained in an image with the speckle pattern which is projected from the light beam on an object; obtaining a plurality of comparison results through comparing the plurality of reference image information with the object image information; and computing the position of the object through performing an interpolation operation to the plurality of comparison results.

    Abstract translation: 由本发明提供的存储介质具有用于计算距离测量系统中的对象的位置的非暂时性处理软件,所述处理软件的执行包括:接收包含在图像中的多个参考图像信息 斑纹图案,其中图像从位于不同位置点上的多个参考平面上的光束投射,并且斑点包含多个斑点; 接收包含在图像中的物体图像信息,其中所述斑点图案从光束投影在物体上; 通过将多个参考图像信息与对象图像信息进行比较来获得多个比较结果; 以及通过对所述多个比较结果执行内插操作来计算所述对象的位置。

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