| Paper Abstract and Keywords |
| Presentation |
2024-12-06 11:20
Evaluation of robustness against noise in super-resolution complex amplitude measurements using free-space optical propagation and virtual phase conjugation
Ippo Matsushita, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Optical measurement, a crucial technique employed in diverse fields such as three-dimensional biological
tissue imaging in medicine and product inspection in industry, demands high measurement accuracy. Image
resolution is fundamentally limited by the sampling theorem, necessitating high-resolution image sensors.
Furthermore, acquiring the phase component, which carries information about the microstructures of objects,
enables even more precise measurements. Super-resolution optical complex amplitude measurement techniques
based on virtual phase conjugation have been proposed to overcome the resolution limit and obtain both
high-resolution intensity and phase images. This work builds upon these existing techniques and proposes a novel
multi-frame super-resolution method employing a new optical configuration with multiple image acquisitions and
computational processing. The performance of the proposed method, including propagation distance characteristics
and robustness against noise such as shot noise, is evaluated through numerical simulations. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
super-resolution / complex amplitude measurement / virtual phase conjugation / random phase mask / free-space optical propagation / / / |
| Reference Info. |
ITE Tech. Rep., vol. 48, no. 41, MMS2024-41, pp. 25-31, Dec. 2024. |
| Paper # |
MMS2024-41 |
| Date of Issue |
2024-11-28 (MMS) |
| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
|
| Conference Information |
| Committee |
IEICE-MRIS MMS |
| Conference Date |
2024-12-05 - 2024-12-06 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Ehime Univ. (CITE) |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Signal Processing, Holographic Data Storage, and Others |
| Paper Information |
| Registration To |
MMS |
| Conference Code |
2024-12-MRIS-MMS |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Evaluation of robustness against noise in super-resolution complex amplitude measurements using free-space optical propagation and virtual phase conjugation |
| Sub Title (in English) |
|
| Keyword(1) |
super-resolution |
| Keyword(2) |
complex amplitude measurement |
| Keyword(3) |
virtual phase conjugation |
| Keyword(4) |
random phase mask |
| Keyword(5) |
free-space optical propagation |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Ippo Matsushita |
| 1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name |
Atsushi Okamoto |
| 2nd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name |
Akihisa Tomita |
| 3rd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2024-12-06 11:20:00 |
| Presentation Time |
25 minutes |
| Registration for |
MMS |
| Paper # |
MMS2024-41 |
| Volume (vol) |
vol.48 |
| Number (no) |
no.41 |
| Page |
pp.25-31 |
| #Pages |
7 |
| Date of Issue |
2024-11-28 (MMS) |