Imaging system for generating high dynamic range image

    公开(公告)号:US12212856B2

    公开(公告)日:2025-01-28

    申请号:US18308714

    申请日:2023-04-28

    Abstract: An imaging system includes an image sensor configured to obtain first image data, based on a received light; and a processing circuit configured to determine an operating mode of the image sensor, among a first mode and a second mode, based on an illumination and a dynamic range corresponding to the obtained first image data. The image sensor includes a first sub-pixel configured to sense a target light corresponding to a target color, in the first mode, convert the target light sensed during a first exposure time, into a first signal, and in the second mode, convert the target light sensed during a second exposure time longer than the first exposure time, into a second signal.

    IMAGE SENSOR AND IMAGE PROCESSING APPARATUS

    公开(公告)号:US20250133300A1

    公开(公告)日:2025-04-24

    申请号:US18818006

    申请日:2024-08-28

    Abstract: An image sensor is provided. The image sensor includes: pixel groups; a readout circuit configured to output full pixel values respectively corresponding to the pixel groups and sub pixel values respectively corresponding to the pixel groups, wherein a full pixel value is generated based on pixel signals of all pixels in a first pixel group, and a sub pixel value is generated based on some of the pixel signals in the first pixel group; and an image signal processor configured to: generate, based on the full pixel value indicating the first pixel group is a saturation pixel group, a color ratio of the saturation pixel group by using a target sub pixel value corresponding to the saturation pixel group; and compensate for the full pixel value of the saturation pixel group based on the color ratio of the saturation pixel group.

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