Imaging method, image sensor, and imaging device

Abstract

An image sensor includes: a filter array, a reading circuit, a controller, a converter and an image output interface, wherein: the controller is coupled to the reading circuit, the converter and the image output interface; the filter array comprises a plurality of color filter array patterns; each color filter array pattern comprises color filters and at least one infrared (IR) filter; the color filters are configured to capture visible rays; the IR filters are configured to capture IR rays; the reading circuit is configured to read out IR signals from the IR filters only or read out IR signals from the IR filters and color signals from a part of the color filters under control of the controller; the converter is configured to convert the IR signals into IR digital signals; the image output interface is configured to output the IR digital signals.