Calibration of colour pre-press systems

Tony Johnson

doi:10.1117/12.2322234

1 May 1992 Calibration of colour pre-press systems

Tony Johnson

Proceedings Volume 1670, Color Hard Copy and Graphic Arts; (1992) https://doi.org/10.1117/12.2322234
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

Ensuring good quality colour reproductions requires regular calibration of all components in the system. However, this is not sufficient without proper characterisation and control of the printing press. It is a fundamental tenet of pre-press calibration that colour transforms be defined by the press characterisation and sufficient control be implemented to maintain consistent output using these transformations. Calibration may, therefore, be thought of as a 6 stage process: a) Stabilise and control the printing process. (This is increasingly becoming "standardised" via specifications such as SWOP) b) Characterise the press by printing and measuring suitable test images C) Match the proofing system to the press (for both soft and hard copy proofs) d) Stabilise (linearise) input scanners and output recorders e) Define the transformation required to produce high quality reproduct ions f) Control scanners and recorders to maintain the transform Procedures are discussed which may be used to achieve this calibration process and tools which have recently been developed to assist in this are described.

Citation Download Citation

Tony Johnson "Calibration of colour pre-press systems", Proc. SPIE 1670, Color Hard Copy and Graphic Arts, (1 May 1992); https://doi.org/10.1117/12.2322234

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