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首页> 外文会议>IEEE International Conference on Computer Vision >Depth Selective Camera: A Direct, On-chip, Programmable Technique for Depth Selectivity in Photography
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Depth Selective Camera: A Direct, On-chip, Programmable Technique for Depth Selectivity in Photography

机译：深度选择性摄像机：用于摄影中深度选择性的直接，片上，可编程技术

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Time of flight (ToF) cameras use a temporally modulated light source and measure correlation between the reflected light and a sensor modulation pattern, in order to infer scene depth. In this paper, we show that such correlational sensors can also be used to selectively accept or reject light rays from certain scene depths. The basic idea is to carefully select illumination and sensor modulation patterns such that the correlation is non-zero only in the selected depth range - thus light reflectedfrom objects outside this depth range do not affect the correlational measurements. We demonstrate a prototype depth-selective camera and highlight two potential applications: imaging through scattering media and virtual blue screening. This depth-selectivity can be used to reject back-scattering and reflection from media in front of the subjects of interest, thereby significantly enhancing the ability to image through scattering media- critical for applications such as car navigation in fog and rain. Similarly, such depth selectivity can also be utilized as a virtual blue-screen in cinematography by rejecting light reflecting from background, while selectively retaining light contributionsfrom theforeground subject.
机译：飞行时间（TOF）摄像机使用时间上调制的光源并测量反射光和传感器调制模式之间的相关性，以便推断场景深度。在本文中，我们表明这种相关传感器也可以用于从某些场景深度选择性地接受或拒绝光线。基本思想是仔细选择照明和传感器调制模式，使得只有在所选择的深度范围内的相关性是非零 - 因此，在该深度范围之外的对象反射不会影响相关测量。我们演示了一种原型深度选择性相机，并突出显示两个潜在的应用：通过散射介质和虚拟蓝色筛选成像。这种深度选择性可用于拒绝从感兴趣的主题前面的媒体反射和反射，从而显着增强通过散射媒体的图像的能力 - 对于雾和雨中的汽车导航等应用。类似地，这种深度选择性也可以通过拒绝从背景中反射的光来使用作为电影的虚拟蓝屏，同时选择性地挡住何种主题。

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