4771

Quality comparison and acceleration for digital hologram generation method based on segmentation

Hoonjong Kang, Fahri Yaras, Levent Onural
Dept. of Electrical and Electronics Engineering, Bilkent University, TR-06800 Bilkent, Ankara, Turkey
3DTV Conference: The True Vision – Capture, Transmission and Display of 3D Video, 2009

@inproceedings{kang2009quality,

   title={Quality comparison and acceleration for digital hologram generation method based on segmentation},

   author={Kang, H. and Yaras, F. and Onural, L.},

   booktitle={3DTV Conference: The True Vision-Capture, Transmission and Display of 3D Video, 2009},

   pages={1–4},

   year={2009},

   organization={IEEE}

}

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A holographic fringe pattern generation methods is based on Fraunhofer diffraction and subsequent segmentation and approximation of the fringe pattern. Several modifications of the original algorithm are already proposed to improve the quality of reconstructions. We compare the quality of to the reconstructed images from different versions of this algorithm by taking the reconstructions from the Fresnel hologram as a reference. Since, there is not any generally accepted objective quality assessment method for such reconstructions, we used some experimental methods such as intensity spread over the reconstructed images, total noise power, and peak-signal-to-noise for comparison. Then we chose the best performing algorithm in terms of ireconstruction quality, and developed a GPU-based implementation to accelerate the computation speed. The quality of the resultant reconstructions is comparable to reconstructions from Fresnel holograms; much higher speed is achieved due to multi-GPU implementation.
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