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A New Sense for Depth of Field [PDF]
IEEE Transactions on Pattern Analysis and Machine Intelligence, 1987 This paper examines a novel source of depth information: focal gradients resulting from the limited depth of field inherent in most optical systems. Previously, autofocus schemes have used depth of field to measured depth by searching for the lens setting that gives the best focus, repeating this search separately for each image point.
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IEEE Symposium on Information Visualization, 2001. INFOVIS 2001., 2005
We present a new technique called Semantic Depth of Field (SDOF) as an alternative approach to focus-and-context displays of information. We utilize a well-known method from photography and cinematography (depth-of-field effect) for information visualization, which is to blur different parts of the depicted scene in dependence of their relevance ...
Robert Kosara +2 more
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We present a new technique called Semantic Depth of Field (SDOF) as an alternative approach to focus-and-context displays of information. We utilize a well-known method from photography and cinematography (depth-of-field effect) for information visualization, which is to blur different parts of the depicted scene in dependence of their relevance ...
Robert Kosara +2 more
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Depth of field in light field rendering
Proceedings 2003 International Conference on Image Processing (Cat. No.03CH37429), 2004This paper focuses on the sampling problem in light field rendering (LFR) that is a fundamental approach to image based rendering. Quality of LFR depends on a light ray database generated from pre-acquired images, since image synthesis is a process of gathering appropriate light ray data from the database.
Keita Takahashi 0001 +2 more
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Depth of Field for the Presbyope
American journal of optometry and physiological optic, 1981Abstract As a general rule the near addition (add) for a presbyope is selected so that the range of clear vision is dioptrically and not linearly balanced. Implicit in such thinking is the assumption that the dioptric and linear range of clear vision cannot be simultaneously balanced.
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2019
This chapter investigates the field of contemporary French documentary as a source for cultural representations of farmland and farm life, a segment of the national territory that has undergone profound change in the past half-century. Farmland, which represents over half of the surface area of metropolitan France, provides employment to an ever ...
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This chapter investigates the field of contemporary French documentary as a source for cultural representations of farmland and farm life, a segment of the national territory that has undergone profound change in the past half-century. Farmland, which represents over half of the surface area of metropolitan France, provides employment to an ever ...
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Depth of Field/Depth of Understanding
Schools, 2010Abstract The article is a personal account of my engagement with some recent neuroscientific theory put forth by Mary Helen Immordino‐Yang (University of Southern California) about the integral relationship between emotion and cognition. Specifically, the research suggests the necessity of engaging students on an emotional level in order to thoroughly ...
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Dialectical Anthropology, 2009
It is, of course, well known that if we focus a camera on an object at some definite distance from the camera lens, there will be a finite range of distances in front of and beyond the focused object in which everything appears acceptably in focus, while outside that range everything becomes progressively more blurred at increasing distances from the ...
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It is, of course, well known that if we focus a camera on an object at some definite distance from the camera lens, there will be a finite range of distances in front of and beyond the focused object in which everything appears acceptably in focus, while outside that range everything becomes progressively more blurred at increasing distances from the ...
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Quarterly Review of Film and Video, 2014
Depth of field in film is not a particularly thrilling topic. If at all, it shows up in a cinematography class when students are confronted with the fact that lenses do not quite access the world t...
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Depth of field in film is not a particularly thrilling topic. If at all, it shows up in a cinematography class when students are confronted with the fact that lenses do not quite access the world t...
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Contemporary Psychoanalysis, 1993
Near the end of his life, Husserl, Heidegger's teacher, saw the tragic irony: that the sciences our vision produced … have turned against us … separating our vision from its rootedness in our dreams, our needs and hopes; concealing from our view the depth of the field in which visible and invisible intersect and interpenetrate. (Levin, 1988, p. 99)
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Near the end of his life, Husserl, Heidegger's teacher, saw the tragic irony: that the sciences our vision produced … have turned against us … separating our vision from its rootedness in our dreams, our needs and hopes; concealing from our view the depth of the field in which visible and invisible intersect and interpenetrate. (Levin, 1988, p. 99)
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