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| | System and method for image mapping in linear space - Patent 5598186 |
 | | In contrast, if a linear lumen scale is selected, 42, capable of resolving original nonlinear input as, for example, in shadows, then the linear representation must have 224 states shown at reference numeral 41 to match just 16 states of input shown at reference numeral 40. |
 | | The linear image is precalculated so that error-correcting addition or subtraction is made prior to the pixel's conversion or, to save memory space, the value to add or subtract is stored in an array so that it may be added when the pixel is converted. |
 | | The linear image 90 may be precalculated so that this addition and subtraction can be made ahead of the pixel thereafter being converted, or, to save memory space, the value to add and subtract may be kept in an array so that it may be added when the pixel is converted. |
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