Proceedings PaperTechnical trends of color hardcopy
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Hardcopy is a picture produced from electronic signals involving visual information, although its scope has been gradually expanding to cover the whole permanent visual images printed on the recording media. The coloration of hardcopy started in the middle of the 1960s. During the past three decades, various kinds of hardcopy systems have developed. The output pictures of those systems have extended from documental pictures expressing simple textural images of numerals and words for business use (documental hardcopy) to aesthetical images of impressive color photograph-like prints (pictorial hardcopy). The main requirements of the documental hardcopy systems are to realize the dry and fast processing, safe and maintenance-free performances on the equipment. Those of the pictorial hardcopy systems are to realize the high fidelity or favorable tone and color reproductions on the output image. At the first stage, the images on every hardcopy had shown the documental contents. The development of the pictorial hardcopy started at the beginning of the 1980s. Recently, the advanced technologies for the pictorial hardcopy have fed back into the documental hardcopy system and various types of color equipment have appeared on the market. This paper deals with the current competition between the pictorial and the documental color hardcopy systems.