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Excel's storage of numbers in binary format also affects its accuracy. [3] To illustrate, the lower figure tabulates the simple addition 1 + x − 1 for several values of x. All the values of x begin at the 15 th decimal, so Excel must take them into account. Before calculating the sum 1 + x, Excel first approximates x as a binary number
Given a grey-level image , co-occurrence matrix computes how often pairs of pixels with a specific value and offset occur in the image.. The offset, (,), is a position operator that can be applied to any pixel in the image (ignoring edge effects): for instance, (,) could indicate "one down, two right".