Efficient image projection by Fourier electroholography

Makowski, Michał; Ducin, Izabela; Kakarenko, Karol; Kołodziejczyk, Andrzej; Siemion, Agnieszka; Suszek, Jarosław; Sypek, Maciej; Wojnowski, Dariusz

doi:10.1364/ol.36.003018

Cited by 28 publications

(24 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This kind of interference forms an unwanted variation of the intensity distribution which mixes with the desired intensity, so the speckle noise can be seen in the reconstruction. One method to suppress the speckle noise is the time-averaging method, which displays serial phase-only CGHs calculated from the GS algorithm with different initial random phases; the total speckle noise can be weakened due to the temporal visual integration effect of human eyes [12][13][14][15][16]. Recently another method was proposed by dividing the original image into many undersampled subimages, which introduces a spatial separation of the image pixels to avoid the interference [17].…”

Section: Introductionmentioning

confidence: 99%

Speckle-suppressed phase-only holographic three-dimensional display based on double-constraint Gerchberg–Saxton algorithm

et al. 2015

View full text Add to dashboard Cite

The Gerchberg-Saxton (GS) algorithm is widely used to calculate the phase-only computer-generated hologram (CGH) for holographic three-dimensional (3D) display. However, speckle noise exists in the reconstruction of the CGH due to the uncontrolled phase distribution. In this paper, we propose a method to suppress the speckle noise by simultaneously reconstructing the desired amplitude and phase distribution. The phase-only CGH is calculated by using a double-constraint GS algorithm, in which both the desired amplitude and phase information are constrained in the image plane in each iteration. The calculated phase-only CGH can reconstruct the 3D object on multiple planes with a desired amplitude distribution and uniform phase distribution. Thus the speckle noise caused by the phase fluctuation between adjacent pixels is suppressed. Both simulations and experiments are presented to demonstrate the effective speckle noise suppression by our algorithm.

show abstract

Section: Introductionmentioning

confidence: 99%

Speckle-suppressed phase-only holographic three-dimensional display based on double-constraint Gerchberg–Saxton algorithm

et al. 2015

View full text Add to dashboard Cite

show abstract

“…When we select the amplitude hologram, we need to use an amplitude‐type SLM, such as amplitude‐modulated LCD, a digital mirror device, and so on. Otherwise, we need to use a phase‐type SLM, such as a phase‐modulated LCD …”

Section: Zoomable Holographic Projection Without a Zoom Lensmentioning

confidence: 99%

“…Many approaches to speckle noise suppression for holographic reconstruction have been proposed . Speckle noise suppression is important for improving the image quality.…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation of zoomable holographic projection without a zoom lens

et al. 2012

View full text Add to dashboard Cite

Holographic projection is for laser displays and has the merits of being aberration free, producing high‐contrast images, having the ability of color reconstruction with one spatial light modulator, and so on. In this paper, we propose a zoomable holographic projection without using a zoom lens and verify the proposed method by using numerical simulation. Although such a system can be readily realized to use the features of holography, which is capable of recording a large image exceeding the hologram size, the required calculation is very time consuming. For acceleration, we used shifted Fresnel diffraction for setting different sampling rates on a hologram and projected image. The proposed method can project any zoom‐in and zoom‐out image between zeroth‐order and first‐order lights, and the processing time and required memory for the zoom are constant.

show abstract

“…The low figures show that both the first and second target images are reconstructed successfully with the proposed method. Although we did not use the elimination method for the zero-order diffracted light from the SLM, the quality of the optically reconstructed image is enhanced with the use of high-pass filter [11] . We can verify from the experimental results that the CGH using the proposed method can represent the depth-slice images of real objects with small depth interval.…”

mentioning

confidence: 99%

Phase-only hologram generation based on integral imaging and its enhancement in depth resolution

Yeom¹,

Hong²,

Jung³

et al. 2011

中国光学快报

View full text Add to dashboard Cite

We introduce a phase-only hologram generation method based on an integral imaging, and propose an enhancement method in representable depth interval. The computational integral imaging reconstruction method is modified based on optical flow to obtain depth-slice images for the focused objects only. A phaseonly hologram for multiple plane images is generated using the iterative Fresnel transform algorithm. In addition, a division method in hologram plane is proposed for enhancement in the representable minimum depth interval.

show abstract

Efficient image projection by Fourier electroholography

Cited by 28 publications

References 9 publications

Speckle-suppressed phase-only holographic three-dimensional display based on double-constraint Gerchberg–Saxton algorithm

Speckle-suppressed phase-only holographic three-dimensional display based on double-constraint Gerchberg–Saxton algorithm

Numerical investigation of zoomable holographic projection without a zoom lens

Phase-only hologram generation based on integral imaging and its enhancement in depth resolution

Contact Info

Product

Resources

About