4.6 Article

Smoothing of inter-layer edge artifacts in depth-map computer-generated holograms

期刊

OPTICS LETTERS
卷 47, 期 24, 页码 6421-6424

出版社

Optica Publishing Group
DOI: 10.1364/OL.475282

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  1. Alchemist Project [1415179744, 20019169]
  2. Samsung Research Funding & Incubation Center of Samsung Electronics [SRFC-TB1903-05]

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This article discusses the synthesis of depth-map computer-generated holograms using a hybrid smoothing method to alleviate inter-layer edge artifacts, resulting in holographic images that are closer to the ground truth image.
In the depth-map computer-generated hologram (CGH), inter-layer edge artifacts are observed in the discontinu-ous edges of section-wise depth-map objects. CGH synthesis, utilizing the hybrid smoothing method of silhouette mask-ing and edge-apodization, alleviates unwanted inter-layer edge artifacts. The proposed method achieves improved de -artifact filtering that generates holographic images closer to the ground truth image of the depth-map object unattain-able by the conventional CGH synthesis method.(C) 2022 Optica Publishing Group

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