Does the image require rotation or cropping?
In many circumstances, the digitiser will not require the entire image. Cropping an image to a specific size, shape or orientation will reduce the time required for the computer to manipulate the image and prioritise errors to those considered important. • Are shades and colours difficult to distinguish? Scanners and digital cameras often group colours into a specific density range. This makes it difficult to differentiate shades of the same colour. Use the Histogram function with Photoshop (or other software) and adjust the different levels to best use the range of available tones. • Is the colour balance accurate in comparison to the original? Some colours may change when digitised, e.g. bright orange may change to pink. Adjust the colour balance by modifying the Red, Green & Blue settings. Decreasing one colour increases its opposite. • Are there faults or artefacts on the image? Visual checks should be performed on each image, or a selection of images, to identify faults, such as d
