Method and structure for image local contrast enhancement

A method comprising:

• transforming, by a processor, color components in a first color space into color components of a second color space, the color components in the first color space being color components of a first visual color image, the transforming the color components in the first color space into the color components of the second color space comprising:
• transforming, by the processor, a first plurality of the color components of the first color space into a modified brightness component using a first transformation, wherein the modified brightness component represents a brightness component of the second color space, wherein the second color space includes a plurality of chromatic components in addition to the brightness component, and wherein the first transformation is different from a second standards transformation that transforms all color components of the first color space into a brightness component of the second color space;
• and
• transforming, by the processor, all the color components of the first color space into the chromatic components of the second color space;
• and
• transforming, by the processor, the modified brightness component and the chromatic components of the second color space into a plurality of new color components of a second visual color image, the plurality of new color components being in the first color space, wherein the plurality of new color components includes all the color components in the first color space, and wherein the second visual color image has enhanced contrast in comparison to the first visual color image;
• transmitting, by the processor, the plurality of new color components to a device.