ピグメント画像の形成とその画質

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タイトル別名
  • Formation of Pigment Image and its Quality
  • ピグメント ガゾウ ノ ケイセイ ト ソノ ガシツ

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説明

In the classical photography, there are many techniques which utilize the sensitivity of silver halide, bichromated colloid and f erric salt. Some of them are applicable, in the fields of arts and crafts, in combination with modern photographic materials.<BR>In this paper, first the traditional gum process is examined and the image obtained by the process is evaluated from the standpoint of imaging system. Secondly, the authors prapare a photographic material, by mixing a pigment with silver halide gelatino emulsion, to constitute a unique imaging system for pigment picture, where an image is formed by imagewise softening or tanning of the gelatin coexisting reduced silver. And the image sharpness in both processes is evaluated by a contrast transfer function (CTF). As the result, it is clarified that the silver halide pigment photography has some merits in sensitivity and image quality, in comparison with the traditional process.

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