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<h2 class="element-invisible">You are here</h2><div class="breadcrumb"><a href="/">Home</a> » <a href="/news-events">News & Events</a> » <a href="/news-events/nih-research-matters">NIH Research Matters</a></div> <div class="l-region l-region--section-header">
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<p class="publishdate"><span property="dc:date" datatype="xsd:dateTime" content="2020-07-14T00:00:00-04:00" class="date-display-single">July 14, 2020</span></p><div class='syndicate'><h1>Faster, better images from cutting-edge microscopes </h1><div class="callout callout-with-border"><h3>At a Glance</h3>
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<li>New techniques dramatically reduced the time needed to process complex images from fluorescence microscopes and also improved their quality.</li>
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<li>Rapid image processing could cut time from months to hours, making high-resolution data accessible to more scientists.</li>
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<div><a href="https://www.youtube.com/embed/V0FD8qcQiUk?autoplay=1" rel="shadowbox; width=640; height=360" title="3D reconstruction of a mouse brain slice. NIBIB"><img alt="3D reconstruction of a mouse brain slice. NIBIB" height="427" src="https://www.nih.gov/sites/default/files/styles/video_sidebar/public/media-youtube/V0FD8qcQiUk.jpg?itok=gFhIRj2L" title="3D reconstruction of a mouse brain slice. NIBIB" typeof="Image" width="640" /></a></div>
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<p class="caption">3D reconstruction of a mouse brain slice. NIBIB</p>
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<p>Microscopes allow us to peer inside cells and organisms. Cutting-edge microscopes can capture blood cells moving through fish. They can trace neurons developing in a worm embryo. They’re an important research tool, and the technology is rapidly advancing.</p>
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<p>Several methods allow researchers to create better images than those that come directly from a microscope. A procedure called deconvolution can fix the distortion to 3D objects caused by the microscope. It involves using computer algorithms to reduce blur and create clearer images. Deconvolution can also be used to get more accurate measurements. Another technique known as multiview fusion combines multiple views of the sample to create complex 3D images and video.</p>
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<p>The problem with these procedures is that they require massive computing power and time. Microscopes generate a lot of high-resolution data. While images and videos can be captured in minutes, they’re often terabytes in size. They can require weeks or months of processing time to be useable.</p>
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<p>Researchers led by Dr. Hari Shroff of NIH’s National Institute of Biomedical Imaging and Bioengineering (NIBIB) worked to reduce the time needed to process these complex images from cutting-edge microscopes. Their advances in algorithm and software design can make image processing up to several thousand times faster than previous methods. The research team described their techniques in <em>Nature Biotechnology</em> on June 29, 2020.</p>
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<p>To begin, the team sped the process of deconvolution by modifying the traditional algorithm. This made the process at least 10 times faster. The approach they used had been proposed for other areas of medical imaging. However, this is the first time it was successfully adapted for <a href="https://www.cancer.gov/publications/dictionaries/cancer-terms/def/fluorescence-microscopy">fluorescence microscopy</a>. Fluorescence microscopy uses dyes that, under certain light, can reveal specific parts of a sample and also allow researchers to see how different elements interact with each other.</p>
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<div><a href="https://www.youtube.com/embed/EjodNGpvjPI?autoplay=1" rel="shadowbox; width=640; height=360" title="3D reconstruction of a mouse stomach. NIBIB"><img alt="3D reconstruction of a mouse stomach. NIBIB" height="427" src="https://www.nih.gov/sites/default/files/styles/video_sidebar/public/media-youtube/EjodNGpvjPI.jpg?itok=XVLbXKoJ" title="3D reconstruction of a mouse stomach. NIBIB" typeof="Image" width="640" /></a></div>
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<p class="caption">3D reconstruction of a mouse stomach. NIBIB</p>
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<p>Next, the researchers reduced the time needed to position and stitch together multiple views of a sample. They found that using a specialized computer chip for 3D rendering, called a graphics processing unit, accelerated the process 10- to 100-fold over a traditional central processing unit. This advance involves “parallelization,” which is sometimes used in supercomputing. Instead of processing each individual function one after another, smaller tasks can be undertaken at the same time.</p>
|
||
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<p>Finally, the researchers showed that they could further reduce the time it takes to process the data by using a neural network, a kind of artificial intelligence. The researchers trained the neural network to produce cleaner and higher resolution images much more quickly than would be possible otherwise.</p>
|
||
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||
<p>The team tested these advances on a range of samples from single cells to thick tissues. They also showed that the techniques enhanced both speed and image quality on the latest microscopes, which rely on post-processing of raw data to create 3D images.</p>
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||
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||
<p>“Acquiring modern imaging data is a bit like drinking from a firehose,” Shroff says. “These methods help us obtain valuable biological information faster, which is essential, given the massive amount of data that can be produced by these microscopes.”</p></div><h2 class="label-above">Related Links</h2><ul class="spaced print-urls"><li><a href="https://www.nih.gov/news-events/nih-research-matters/technique-reveals-organization-tongue-bacteria" target="_top">Technique Reveals Organization of Tongue Bacteria</a></li><li><a href="https://www.nih.gov/news-events/nih-research-matters/scientists-find-new-pain-suppression-center-brain" target="_top">Scientists Find New Pain-Suppression Center in the Brain</a></li><li><a href="https://www.nih.gov/news-events/nih-research-matters/smartphone-microscope-detects-nanoparticles-viruses" target="_top">Smartphone Microscope Detects Nanoparticles and Viruses</a></li><li><a href="https://www.nih.gov/news-events/nih-research-matters/brain-many-colors" target="_top">A Brain of Many Colors </a></li><li><a href="https://directorsblog.nih.gov/tag/fluorescence-microscopy/" target="_top">Taking Brain Imaging Even Deeper</a></li><li><a href="https://www.niehs.nih.gov/research/atniehs/facilities/fmic/index.cfm" target="_top">Fluorescence Microscopy and Imaging Center</a></li></ul><p class="footnote"><strong class="label-inline">References: </strong><a href="https://pubmed.ncbi.nlm.nih.gov/32601431/">Rapid image deconvolution and multiview fusion for optical microscopy. </a>Guo M, Li Y, Su Y, Lambert T, Nogare DD, Moyle MW, Duncan LH, Ikegami R, Santella A, Rey-Suarez I, Green D, Beiriger A, Chen J, Vishwasrao H, Ganesan S, Prince V, Waters JC, Annunziata CM, Hafner M, Mohler WA, Chitnis AB, Upadhyaya A, Usdin TB, Bao Z, Colón-Ramos D, La Riviere P, Liu H, Wu Y, Shroff H.Guo M, et al. <em>Nat Biotechnol</em>. 2020 Jun 29. doi: 10.1038/s41587-020-0560-x. PMID: 32601431.</p><p class="footnote"><strong class="label-inline">Funding: </strong>NIH’s National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institute of Allergy and Infectious Diseases (NIAID), National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institute of Child Health and Human Development (NICHD), National Institute of Mental Health (NIMH), National Cancer Institute (NCI), National Center for Advancing Translational Sciences (NCATS), and National Institute of Neurological Disorders and Stroke (NINDS), National Institute of General Medical Sciences (NIGMS), and Office of the Director (OD); National Natural Science Foundation of China; National Key Technology Research and Development Program of China; National Science Foundation; Marine Biological Laboratory; Chan Zuckerberg Initiative; Silicon Valley Community Foundation.</p>
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<p><a href="https://www.nih.gov/news-events/nih-research-matters/brain-changes-observed-during-pregnancy">Brain changes observed during pregnancy</a></p>
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||
<p><a href="https://www.nih.gov/news-events/nih-research-matters/research-context-detecting-cancer">Research in Context: Detecting cancer</a></p>
|
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<p><a href="https://www.nih.gov/news-events/nih-research-matters/risk-future-burden-dementia-united-states">Risk and future burden of dementia in the United States </a></p>
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||
|
||
<p><a href="https://www.nih.gov/news-events/nih-research-matters/complete-wiring-map-adult-fruit-fly-brain">Complete wiring map of an adult fruit fly brain</a></p>
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<h3 class="block__title">About NIH Research Matters</h3>
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<p><strong>Editor:</strong> Harrison Wein, Ph.D.</p>
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<p><strong>Assistant Editors:</strong> Vicki Contie and Brian Doctrow, Ph.D.</p>
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<p><strong><em>NIH Research Matters </em></strong>is a weekly update of NIH research highlights reviewed by NIH’s experts. It's published by the <a href="/institutes-nih/nih-office-director/office-communications-public-liaison">Office of Communications and Public Liaison</a> in the <a href="/institutes-nih/nih-office-director">NIH Office of the Director</a>.</p>
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<p>ISSN 2375-9593</p>
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