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arXiv 0906.0118physics.optics
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准光场:将光场扩展到相干辐射

Quasi light fields: extending the light field to coherent radiation

Anthony Accardi, Gregory Wornell

摘要:

动态视点生成等成像技术是针对使用传统光场的非相干辐射和使用电磁场论的相干辐射而设计的。我们提出了一种相干成像模型,该模型在光场的效用和麦克斯韦方程组的综合预测能力之间取得了平衡。我们综合了光学和信号处理的研究,从准光场中制定,捕获和形成图像,将光场从非相干辐射扩展到相干辐射。我们的相干相机概括了传感器阵列处理中的经典波束形成算法,并邀请进一步研究替代概念的图像形成。

英文摘要:

Imaging technologies such as dynamic viewpoint generation are engineered for incoherent radiation using the traditional light field, and for coherent radiation using electromagnetic field theory. We present a model of coherent image formation that strikes a balance between the utility of the light field and the comprehensive predictive power of Maxwell's equations. We synthesize research in optics and signal processing to formulate, capture, and form images from quasi light fields, which extend the light field from incoherent to coherent radiation. Our coherent cameras generalize the classic beamforming algorithm in sensor array processing, and invite further research on alternative notions of image formation.

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