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Posted at: Apr 13, 2018, 9:43 PM; last updated: Apr 13, 2018, 9:43 PM (IST)

AI can enhance smartphone microscopes into lab-grade devices

AI can enhance smartphone microscopes into lab-grade devices
Photo source: Thinkstock

Los Angeles

Scientists have discovered that deep learning, a powerful form of artificial intelligence, can discern and enhance microscopic details in photos taken by smartphones to such an extent that they can match the quality of images from laboratory-grade microscopes.

The advance could help bring high-quality medical diagnostics into resource-poor regions, where people otherwise do not have access to high-end diagnostic technologies, said the researchers from the University of California, Los Angeles (UCLA) in the US.

The technique used attachments that can be inexpensively produced with a 3D printer, according to a study published in the journal ACS Photonics.

"Using deep learning, we set out to bridge the gap in image quality between inexpensive mobile phone-based microscopes and gold-standard bench-top microscopes that use high-end lenses," said Aydogan Ozcan from UCLA.

"We believe that our approach is broadly applicable to other low-cost microscopy systems that use, for example, inexpensive lenses or cameras, and could facilitate the replacement of high-end bench-top microscopes with cost-effective, mobile alternatives," Ozcan said.

He said the new technique could find numerous applications in global health, telemedicine and diagnostics-related applications.

The researchers shot images of lung tissue samples, blood and Pap smears, first using a standard laboratory-grade microscope, and then with a smartphone with the 3D-printed microscope attachment.

Then they fed the pairs of corresponding images into a computer system that "learns" how to rapidly enhance the mobile phone images. PTI  


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