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[期刊论文] 作者:P.W.M.Tsang,T.-C.Poon, 来源:ChineseOpticsLetters 年份:2014
This paper describes a method for converting a complex Fresnel hologram into a phase-only hologram that can be embedded with large amount of data. Briefly, each row of pixels in the hologram is scanned sequentially in a left-to-right direct......
[期刊论文] 作者:Y.K.Lam,W.C.Situ,P.W.M.Tsang,, 来源:Chinese Optics Letters 年份:2013
A method for fast and low bit-rate compression of digital holograms based on a new vector quantization(VQ) method known as the skip-dimension VQ(SDVQ) is propos...
[期刊论文] 作者:P.W.M.Tsang,Y.T.Chow,andT.-C.Poon, 来源:ChineseOpticsLetters 年份:2016
Noise addition is a simple but effective method for generating a phase-only hologram (POH) of an object. Briefly, the intensity image of an object is added with random phase noise and converted into a digital Fresnel hologram. Subsequently,......
[期刊论文] 作者:P.W.M.TSANG,T.-C.POON,Y.M.WU,, 来源:Photonics Research 年份:2018
Computer-generated holography(CGH) is a technique for converting a three-dimensional(3D) object scene into a two-dimensional(2D), complex-valued hologram. One of the major bottlenecks of CGH is the in...
[期刊论文] 作者:P.W.M.Tsang,T.-C.Poon,Y.M.Wu, 来源:PhotonicsResearch 年份:2018
Computer-generated holography (CGH) is a technique for converting a three-dimensional (3D) object scene into a two-dimensional (2D), complex-valued hologram. One of the major bottlenecks of CGH is the intensive computation that is involved ......
[期刊论文] 作者:Y.K.Lam,W.C.Situ,P.W.M.Tsang,, 来源:Chinese Optics Letters 年份:2013
A method for fast and low bit-rate compression of digital holograms based on a new vector quantization(VQ) method known as the skip-dimension VQ(SDVQ) is proposed.Briefly,a complex hologram is convert...
[期刊论文] 作者:P.W.M.Tsang,Y.T.Chow,T.-C.Poon, 来源:ChineseOpticsLetters 年份:2015
Past research has demonstrated that if the intensity image of an object is uniformly down-sampled and converted into a Fresnel hologram, the phase component alone will be sufficient to reconstruct the source image. However, due to down-samp......
[期刊论文] 作者:P.W.M.Tsang,J.P.Liu,K.W.K.Cheung,andT.-C.Poon, 来源:ChineseOpticsLetters 年份:2009
Sub-lines are one-dimensional diffraction patterns representing the light beams emerging from horizontal planes of an object image. Past research has demonstrated that the sub-lines can be encapsulated as a multi-bank filtering process, and......
[期刊论文] 作者:P.W.M.Tsang,Y.-T.Chow,T.-C.Poon,andJ.-P.Liu, 来源:ChineseOpticsLetters 年份:2016
Past research has demonstrated that a phase-only hologram can be obtained by down-sampling the intensity image of the object scene prior to the generation of the hologram. In this Letter, we extend the method to the generation of binary pha......
[期刊论文] 作者:P.W.M.Tsang,T.-C.Poon,W.Wang,X.Zhu,K.Chan, 来源:ChineseOpticsLetters 年份:2019
Past research has demonstrated that a sampled phase-only hologram (SPOH) is capable of representing an image without the magnitude component of the hologram. At present, an SPOH can only record and reconstruct a single source image. In this......
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