IMAGE PROCESSING METHOD APPLIED TO AN RGB-IR SENSOR AND RELATED IMAGE PROCESSING DEVICE THEREOF

摘要

An image processing device applied to an RGB-IR sensor includes an interpolation unit and a color correction unit. Pixels included in the RGB-IR sensor are arranged into a plurality of bayer pattern units. The interpolation unit generates interpolation values of a red color component, a green color component, a blue color component, and an IR component of each pixel of each bayer pattern unit of the plurality of bayer pattern units according to gray levels of red pixels, green pixels, blue pixels, and IR pixels located in predetermined positions of the plurality of bayer pattern units. The color correction unit generates correction values of the red color component, the green color component, and the blue color component of the each pixel according to a correction matrix corresponding to the each pixel and the interpolation values.

主权项

1. An image processing device applied to an RGB-IR sensor, wherein pixels comprised in the RGB-IR sensor are arranged into a plurality of bayer pattern units, and each bayer pattern unit of the plurality of bayer pattern units comprises a red pixel, a green pixel, a blue pixel, and an IR pixel, the image processing device comprising:
an interpolator generating interpolation values of a red color component, a green color component, a blue color component, and an IR component of each pixel of the each bayer pattern unit according to gray levels of red pixels, green pixels, blue pixels, and IR pixels located in predetermined positions of the plurality of bayer pattern units; and a color corrector generating correction values of the red color component, the green color component, and the blue color component of the each pixel according to a correction matrix corresponding to the each pixel and the interpolation values of the red color component, the green color component, the blue color component, and the IR component of the each pixel, wherein the correction matrix corresponds to the interpolation values of the red color component, the green color component, the blue color component, and the IR component of the each pixel and target values of the red color component, the green color component, and the blue color component of the each pixel.