28 January 2008 Controlled and uncontrolled viewing conditions in the evaluation of prints
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Abstract
Visual experiments, attesting visual preference, visual ranking and visual differentiation, are very important to academia and industry. They are traditionally performed into laboratories under controlled viewing conditions, resulting very costly in their execution, due to the time and effort involved by all participants. If controlled tests could be substituted by uncontrolled tests, a potential serious improvement could be obtained by eliminating a large part of the cost. In this work we investigate if, and to what extent, visual experiments performed under controlled viewing conditions can be substituted by uncontrolled experiments. A task of visual preference of prints is carried out. This task is performed in the laboratory, under controlled viewing conditions, and in many different places, under natural, artificial and mixed light. We observe statistical equivalence for preferences expressed in controlled or uncontrolled conditions that supports the hypothesis that visual preference can be assessed with uncontrolled tests.
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Silvia Zuffi, Silvia Zuffi, Carla Brambilla, Carla Brambilla, Reiner Eschbach, Reiner Eschbach, Alessandro Rizzi, Alessandro Rizzi, } "Controlled and uncontrolled viewing conditions in the evaluation of prints", Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 680714 (28 January 2008); doi: 10.1117/12.766398; https://doi.org/10.1117/12.766398
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