Digital Test Target For Display Evaluation

S. J. Briggs

doi:10.1117/12.959517

17 December 1980 Digital Test Target For Display Evaluation

S. J. Briggs

Proceedings Volume 0253, Modern Utilization of Infrared Technology VI; (1980) https://doi.org/10.1117/12.959517
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

A digital test target system is described which may be used to evaluate digital imaging systems and line-scan and digital displays (soft or hard copy) in a fashion similar to the use of resolution targets for the evaluation of optical analogue image systems. The digital test target system consists of a basic pattern of checkerboards of different sizes, which is repeated with different commanded "brightness" and "contrast" levels; a procedure for reading the target; and a method of adjusting the reading scores to obtain an index of image quality. The target system presently consists of an eight-target set, arranged for evaluation of 512 pixel square matrix display having eight bit gray level capability. The system is applicable to other sized display matrices and gray level capability. An index is derived from the readings so that displays having similar image quality index values will have the same average image quality performance regardless of differences in matrix size and nominal gray level capability.

Citation Download Citation

S. J. Briggs "Digital Test Target For Display Evaluation", Proc. SPIE 0253, Modern Utilization of Infrared Technology VI, (17 December 1980); https://doi.org/10.1117/12.959517

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