Color filter array pattern conversion

An apparatus for processing color information, comprising:

• an image sensor;
• a processor,
• memory in electronic communication with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• receive a first set of image data collected at the image sensor based at least in part on a first color filter array (CFA) associated with the image sensor, the first CFA comprising a first filter pattern;
• calculate a color saturation gradient based at least in part on the first set of image data;
• calculate multiple color gradients based at least in part on the color saturation gradient, the multiple color gradients each associated with a region of the first set of image data, wherein each color gradient characterizes a color variation along a different direction of the region;
• generate a second set of image data comprising a color value for the region based at least in part on comparing a first direction gradient of the multiple color gradients with a second direction gradient of the multiple color gradients;
• and
• map the color value associated with the region to a third set of image data associated with a second CFA.

A non-transitory computer-readable medium storing code for processing color information, the code comprising instructions executable by a processor to:

• receive a first set of image data collected at an image sensor based at least in part on a first color filter array (CFA) associated with the image sensor, the first CFA comprising a first filter pattern;
• calculate a color saturation gradient based at least in part on the first set of image data;
• calculate multiple color gradients based at least in part on the color saturation gradient, the multiple color gradients each associated with a region of the first set of image data, wherein each color gradient characterizes a color variation along a different direction of the region;
• generate a second set of image data comprising a color value for the region based at least in part on comparing a first direction gradient of the multiple color gradients with a second direction gradient of the multiple color gradients;
• and
• map the color value associated with the region to a third set of image data associated with a second CFA.