Spatial resolution , how small or fine details are that an imaging system can display, Contrast resolution, how well can imaging system can distinguish between objects with similiar densities, Bit depth, the number of shades of gray that a digital imaging system can display per pixel, Pixel pitch , the distance from the center of one pixel to the center of the adjacent pixel on the detector, Large bit depth , more shades of grays, Small bit depth , fewer shades of gray , Large pixel pitch, lower spatial resoultion , Small pixel pitch , higher spatial resolution , Matrix , rows and columns of pixels in a digital image, Spatial frequency , the number of line pairs per millimeter that an imaging system can display, High spatial frequency , fine details, small structures , Low spatial frequency , broad structures, large objects .

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