In the context of anti-piracy / anti-camcorder in digital cinemas a major requirement is invisibility of inserted pattern for the legal viewer watching the main cinema screen. On the basis of a multispectral projectio...
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ISBN:
(纸本)9780892082889
In the context of anti-piracy / anti-camcorder in digital cinemas a major requirement is invisibility of inserted pattern for the legal viewer watching the main cinema screen. On the basis of a multispectral projection system developed to create color metamers, we faced the need to explore and understand better color vision variability. This paper first presents the application context and the problem to solve. Then the CIE-2006 model is introduced, complemented with a brief overview of genetic aspects of color vision, as these were the basis for the study. Variability of color vision is then evaluated, first on a set of Stiles and Burch observers and then on observers in our digital cinema context. Two experiments are then presented, incremental steps towards the system improvement. The two experiments reveal coherent disparities for the different observers, modeling these disparities as L- and M- cone fundamentals shifts. The improvement between the first and the second experiment is shown in terms of closeness to a standard observer. This gain is a clear result of integrating color perception knowledge in the system design. It is as well a definite step towards acceptance of the metamer images by a wide and varied population of cinema observers.
Comfort assessment of respirator fit plays an important role in the respirator design process and standard development. To reduce the cost and design time of respirators, the design, fit, and evaluation process can be...
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Due to the challenges in quantifying hand loads in manufacturing environments it is often assumed that the load is evenly distributed between the hands, even when handling parts with non-uniform mass distribution. Thi...
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Application of cervical spine range of motion data and related anthropometric measures of the head and neck include physical therapy, product design, and computational modeling. This study utilized the Cervical Range ...
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Application of cervical spine range of motion data and related anthropometric measures of the head and neck include physical therapy, product design, and computational modeling. This study utilized the Cervical Range of Motion device (CROM) to define the normal range of motion of the cervical spine for subjects five (5) through ten (10) years of age. And, the data was collected and analyzed with respect to anatomical measures such as head circumference, face height, neck length, and neck circumference. This study correlates these static anthropometric measures to the kinematic measurement of head flexion, extension, lateral extension, and rotation. An analysis using Pearson's correlation coefficient and a hypothesis test to evaluate the significance of the correlation indicated a statistically significant linear relationship between neck length and flexion r(156) = +0.16, p
The purpose of this study is to formulate the degree of postural instability in working based on the data acquisition of center of pressure (COP) and surface electromyography (EMG). In the previous studies [1]-[4], th...
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In this study, we developed a method for estimating an arrangement of functional joint rotation centers (FCRs) from a set of body dimensions. For this purpose, we measured body dimensions and positioning motions for 2...
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The ability to effectively use point cloud data produced by various scanning devices continues to be a major issue in reverse engineering and anthropometric-related fields of study. The body silhouette provides a new ...
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An anatomically detailed elderly human body model is under development. Using the anthropometric database of domestic nation-wide size survey, SizeKorea, a standard size and shape of 50th %tile elderly was constructed...
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Two sets of volunteer tests were used to analyze neuromuscular control of the human neck. Transient responses imitating a 6 km/h rear impact were analyzed using inverse dynamics to estimate neuromuscular feedback para...
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Conflicting goals, that have to be solved interdisciplinarily, occur in the vehicle development process in all development stages, due to diverse technical requirements. In this context ergonomic requirements are not ...
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