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This paper uses the opportunity given by the formalism of geometric algebras to perform colour image processing by describing one colour with a geometric vector in the 3D space. The paper proposes to manipulate colours in the RGB space where properties such as saturation or luminance can be described with the help of geometric operations. These geometric operations are applied on vectors encoded in...
We define a color monogenic wavelet transform. This is based on the recent grayscale monogenic wavelet transform and a non-marginal extension to color signals. To our knowledge, wavelet based color image processing schemes have always been made by using a grayscale tool separately on color channels. This may have some unexpected effect on colors because those marginal schemes are not necessarily justified...
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