KEYWORDS: Visualization, Human-machine interfaces, Focus stacking software, Image processing, Current controlled current source, Electronic imaging, Video, 3D modeling, RGB color model, 3D image processing
Artists often want to change the colors of an image to achieve a particular aesthetic goal. For example, they
might limit colors to a warm or cool color scheme to create an image with a certain mood or feeling. Gamut
masking is a technique that artists use to limit the set of colors they can paint with. They draw a mask over
a color wheel and only use the hues within the mask. However, creating the color palette from the mask and
applying the colors to the image requires skill. We propose an interactive tool for gamut masking that allows
amateur artists to create an image with a desired mood or feeling. Our system extracts a 3D color gamut from
the 2D user-drawn mask and maps the image to this gamut. The user can draw a different gamut mask or locally
refine the image colors. Our voxel grid gamut representation allows us to represent gamuts of any shape, and
our cluster-based image representation allows the user to change colors locally.
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