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Noise reduction of electron holography observations for a thin-foiled Nd-Fe-B specimen using the wavelet hidden Markov model
In this study, we investigate the effectiveness of noise reduction in electron holography, based on the wavelet hidden Markov model (WHMM), which allows the reasonable separation of weak signals from noise. Electron holography observations from a Nd 2 Fe 14 B thin foil showed that the noise reductio...
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| Published in: | Applied microscopy 2024, 54(1), , pp.1-10 |
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| Main Authors: | , , , , , , |
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| Language: | English |
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| container_end_page | 4 |
| container_issue | 1 |
| container_start_page | 4 |
| container_title | Applied microscopy |
| container_volume | 54 |
| creator | Lee, Sujin Midoh, Yoshihiro Tomita, Yuto Tamaoka, Takehiro Auchi, Mitsunari Sasaki, Taisuke Murakami, Yasukazu |
| description | In this study, we investigate the effectiveness of noise reduction in electron holography, based on the wavelet hidden Markov model (WHMM), which allows the reasonable separation of weak signals from noise. Electron holography observations from a Nd
2
Fe
14
B thin foil showed that the noise reduction method suppressed artificial phase discontinuities generated by phase retrieval. From the peak signal-to-noise ratio, it was seen that the impact of denoising was significant for observations with a narrow spacing of interference fringes, which is a key parameter for the spatial resolution of electron holography. These results provide essential information for improving the precision of electron holography studies. |
| doi_str_mv | 10.1186/s42649-024-00097-w |
| format | article |
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Fe
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These results provide essential information for improving the precision of electron holography studies.</description><subject>Chemistry and Materials Science</subject><subject>Electron holography</subject><subject>Electrons</subject><subject>Fourier transforms</subject><subject>Holography</subject><subject>Interference fringes</subject><subject>Markov chains</subject><subject>Materials Science</subject><subject>Microscopy</subject><subject>Nd-Fe-B magnet</subject><subject>Noise reduction</subject><subject>Phase retrieval</subject><subject>Signal to noise ratio</subject><subject>Spatial discrimination</subject><subject>Spatial resolution</subject><subject>Wavelet hidden Markov model</subject><subject>Wavelet transforms</subject><subject>자연과학일반</subject><issn>2287-4445</issn><issn>2287-5123</issn><issn>2287-4445</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNp9ksFu1DAQhiMEolXpC3BAlrggpIAdO4lzQqWiZaVSJFTOlmNPEu8m9mInu6rEw9eblNJy4DQjzze__7EnSV4T_IEQXnwMLCtYleKMpRjjqkz3z5LjLONlyhjLnz_Kj5LTENYRyjDJqoK_TI4oLyimhB8nv6-dCYA86EmNxlnkGgQ9qNHHvHO9a73cdrfI1QH8Th6QgBrnkURjZ2zaONODRtc6vYD0MwpbUGYAi6ZgbBsRQHu5i4Ij6ozWsfBN-o3bocFp6F8lLxrZBzi9jyfJz4svN-df06vvl6vzs6tUMZbt0wqASCw1l7qkTS0xUMXzolJE4TwHQnKlIA6kOK04Bc45LXTBZclBYx17TpL3i671jdgoI5w0c2yd2Hhx9uNmJQgu8pLmWYRXC6ydXIutN4P0t3PHfOB8K6QfjepBAGnKuuKE1zln2SHSvFASqgqzhpU0an1atLZTPYBWYEcv-yeiTyvWdNHUThASPxbzg5t39wre_ZogjGIwQUHfSwtuCoJihilllLGIvv0HXbvJ2_iwM0VYyXERqWyhlHcheGge3BAsDpslls0S0YCYN0vsY9Obx3M8tPzZowjQBQixZFvwf-_-j-wdohfZ8g</recordid><startdate>20240417</startdate><enddate>20240417</enddate><creator>Lee, Sujin</creator><creator>Midoh, Yoshihiro</creator><creator>Tomita, Yuto</creator><creator>Tamaoka, Takehiro</creator><creator>Auchi, Mitsunari</creator><creator>Sasaki, Taisuke</creator><creator>Murakami, Yasukazu</creator><general>Springer Nature Singapore</general><general>Springer Nature B.V</general><general>SpringerOpen</general><general>한국현미경학회</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SU</scope><scope>7U5</scope><scope>8FD</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>P64</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><scope>ACYCR</scope><orcidid>https://orcid.org/0000-0001-8256-8879</orcidid></search><sort><creationdate>20240417</creationdate><title>Noise reduction of electron holography observations for a thin-foiled Nd-Fe-B specimen using the wavelet hidden Markov model</title><author>Lee, Sujin ; Midoh, Yoshihiro ; Tomita, Yuto ; Tamaoka, Takehiro ; Auchi, Mitsunari ; Sasaki, Taisuke ; Murakami, Yasukazu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c442w-9ee1a0ad8ad73fba0e3c8569c1c055e115cce630c83983e88836d68a78ed0dd73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Chemistry and Materials Science</topic><topic>Electron holography</topic><topic>Electrons</topic><topic>Fourier transforms</topic><topic>Holography</topic><topic>Interference fringes</topic><topic>Markov chains</topic><topic>Materials Science</topic><topic>Microscopy</topic><topic>Nd-Fe-B magnet</topic><topic>Noise reduction</topic><topic>Phase retrieval</topic><topic>Signal to noise ratio</topic><topic>Spatial discrimination</topic><topic>Spatial resolution</topic><topic>Wavelet hidden Markov model</topic><topic>Wavelet transforms</topic><topic>자연과학일반</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Sujin</creatorcontrib><creatorcontrib>Midoh, Yoshihiro</creatorcontrib><creatorcontrib>Tomita, Yuto</creatorcontrib><creatorcontrib>Tamaoka, Takehiro</creatorcontrib><creatorcontrib>Auchi, Mitsunari</creatorcontrib><creatorcontrib>Sasaki, Taisuke</creatorcontrib><creatorcontrib>Murakami, Yasukazu</creatorcontrib><collection>Springer Open Access</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Publicly Available Content (ProQuest)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><collection>Korean Citation Index</collection><jtitle>Applied microscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Sujin</au><au>Midoh, Yoshihiro</au><au>Tomita, Yuto</au><au>Tamaoka, Takehiro</au><au>Auchi, Mitsunari</au><au>Sasaki, Taisuke</au><au>Murakami, Yasukazu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Noise reduction of electron holography observations for a thin-foiled Nd-Fe-B specimen using the wavelet hidden Markov model</atitle><jtitle>Applied microscopy</jtitle><stitle>Appl. Microsc</stitle><addtitle>Appl Microsc</addtitle><date>2024-04-17</date><risdate>2024</risdate><volume>54</volume><issue>1</issue><spage>4</spage><epage>4</epage><pages>4-4</pages><artnum>4</artnum><issn>2287-4445</issn><issn>2287-5123</issn><eissn>2287-4445</eissn><abstract>In this study, we investigate the effectiveness of noise reduction in electron holography, based on the wavelet hidden Markov model (WHMM), which allows the reasonable separation of weak signals from noise. Electron holography observations from a Nd
2
Fe
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B thin foil showed that the noise reduction method suppressed artificial phase discontinuities generated by phase retrieval. From the peak signal-to-noise ratio, it was seen that the impact of denoising was significant for observations with a narrow spacing of interference fringes, which is a key parameter for the spatial resolution of electron holography. These results provide essential information for improving the precision of electron holography studies.</abstract><cop>Singapore</cop><pub>Springer Nature Singapore</pub><pmid>38630318</pmid><doi>10.1186/s42649-024-00097-w</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-8256-8879</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Chemistry and Materials Science Electron holography Electrons Fourier transforms Holography Interference fringes Markov chains Materials Science Microscopy Nd-Fe-B magnet Noise reduction Phase retrieval Signal to noise ratio Spatial discrimination Spatial resolution Wavelet hidden Markov model Wavelet transforms 자연과학일반 |
| title | Noise reduction of electron holography observations for a thin-foiled Nd-Fe-B specimen using the wavelet hidden Markov model |
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