Parallel architecture for vector color error diffusion

A system comprising:

• processing logic at least capable of:
• thresholding intermediate values of color components of input image pixel data to generate output color component values and associated component error values;
• sequentially multiplying, in a substantially parallel manner, the component error values by corresponding error diffusion coefficients to generate component diffused error values;
• and
• temporarily storing at least one of the component diffused error values in a circular error buffer;
• and
• an image output device responsive to the processing logic.

A device comprising:

• a plurality of error diffusion cores to diffuse halftone processing errors for color components of one or more input pixels by having each core of the plurality of cores substantially in parallel:
• determine a component error value for a color component by comparing an intermediate component value to a threshold value;
• and
• sequentially multiply the component error value by a plurality of error diffusion coefficients to generate diffused error values for that component;
• and
• a circular error buffer responsive to the plurality of cores, the buffer to temporarily store at least one of the diffused error values for the color components of the one or more input pixels.