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    "abstract": "Technical capabilities of moving picture projection are evolving. Higher dynamic range is one of the most promising improvements in cinematographic visual experience. But various factors are limiting the effectiveness of technical developments. Physical limitations such as optical diffusion and room reflectivity have been shown to affect significantly scene contrast. Building on previous model, fully automatic room reflectivity measurement is demonstrated. Diffusion measurement follows directly from the model. One assumption of the model is the uniformity of reflection. This is only an approximation and further work is necessary to assess how non-uniformity is affecting the perception of HDR. Therefore, non-uniformity measurement method and simple descriptor are required and proposed. HDR image quality results should be evaluated from the point of view of cinematographic experience. The best course of action is to evaluate how optical diffusion, room reflectivity and non-uniformity limiting factors are affecting contrast sensitivity.",
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    "authors": [
      {
        "affiliation": "Highlands Technologies Solutions",
        "name": "Francois Helt"
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      "holder": "Society of Motion Picture and Television Engineers, Inc.",
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      "year": "2016",
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    "docTitle": "HDR Perception Challenges and Measures in Cinematographic Environment",
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    "isbn": {
      "print": "978-1-61482-957-7",
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    "keywords": [
      "HDR",
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      "Optical Diffusion",
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      "Contrast Sensitive Function"
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