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The pixels with the largest gradient values in the direction of the gradient become edge pixels, and edges may be traced in the direction perpendicular to the gradient direction. One example of an edge detection algorithm that uses gradients is the Canny edge detector. Image gradients can also be used for robust feature and texture matching.
A linear, or axial, color gradient. In color science, a color gradient (also known as a color ramp or a color progression) specifies a range of position-dependent colors, usually used to fill a region. In assigning colors to a set of values, a gradient is a continuous colormap, a type of color scheme.
The color Saffron (Hindi: भगवा, romanized: Bhagawā) is considered as a sacred color in Hinduism.According to Hindu mythology, Saffron (or Kesariya) is the color of Sunset and Fire which symbolises sacrifice, light, and quest of salvation. [6]