A system and method for assisting in tone composition that comprises receiving light information corresponding to light detected by a plurality of pixels, analyzing the light information to determine a light value for each of the plurality of pixels, determining contour information, the contour information corresponding to a plurality of groups of adjacent pixels, wherein each group of adjacent pixels is characterized by a unique predetermined range of light values, and communicating the contour information to a display.

 
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> Method for controlling interpolation direction and related device

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