An Active Color Separation Sensing Technique

R. S. Linebarger; R. K. Elsley

doi:10.1117/12.978568

1 January 1987 An Active Color Separation Sensing Technique

R. S. Linebarger, R. K. Elsley

Proceedings Volume 0818, Current Developments in Optical Engineering II; (1987) https://doi.org/10.1117/12.978568
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

Dynamic on-line color separation measurement of printed graphic images is a process which is difficult to accomplish in real time. Variations in the paper and ink quality can significantly add to the difficulty in measuring the area coverage of each of the primary colors. For some applications, this type of measurement must often be performed while the graphic image is moving, thus requiring the sensor to both measure and process the image data in real time. An optical technique for primary color separation in graphic color ink images will be described. A suitable system model has been developed which includes the contributions from the optical source, paper, inks and system optics. Detection algorithms and computer software have also been developed to simulate the color separation process. In addition, a laboratory detection system has been assembled and used to test the validity of the system model. The system model, algorithms, and the experimental detection system will be discussed, and the results of this color separation capability will be presented for both the simulation mode and the actual laboratory measurement mode.

Citation Download Citation

R. S. Linebarger and R. K. Elsley "An Active Color Separation Sensing Technique", Proc. SPIE 0818, Current Developments in Optical Engineering II, (1 January 1987); https://doi.org/10.1117/12.978568

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