
1.Key Laboratory of Optoelectronic Devices and Systems of Guangdong Province and Ministry of Education, College of Physics and Optoelectronic Engineering, Shenzhen University, 518060, Shenzhen, China
2.Shenzhen Meitu Innovation Technology LTD, 518060, Shenzhen, China
3.China–Japan Union Hospital of Jilin University, 130033, Changchun, China
4.The Sixth People's Hospital of Shenzhen, 518052, Shenzhen, China
Liwei Liu (liulw@szu.edu.cn)
Published:30 April 2022,
Published Online:29 March 2022,
Received:09 August 2021,
Revised:05 March 2022,
Accepted:10 March 2022
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Shen, B. L. et al. Deep learning autofluorescence-harmonic microscopy. Light: Science & Applications, 11, 697-710 (2022).
Shen, B. L. et al. Deep learning autofluorescence-harmonic microscopy. Light: Science & Applications, 11, 697-710 (2022). DOI: 10.1038/s41377-022-00768-x.
Laser scanning microscopy has inherent tradeoffs between imaging speed
field of view (FOV)
and spatial resolution due to the limitations of sophisticated mechanical and optical setups
and deep learning networks have emerged to overcome these limitations without changing the system. Here
we demonstrate deep learning autofluorescence-harmonic microscopy (DLAM) based on self-alignment attention-guided residual-in-residual dense generative adversarial networks to close the gap between speed
FOV
and quality. Using the framework
we demonstrate label-free large-field multimodal imaging of clinicopathological tissues with enhanced spatial resolution and running time advantages. Statistical quality assessments show that the attention-guided residual dense connections minimize the persistent noise
distortions
and scanning fringes that degrade the autofluorescence-harmonic images and avoid reconstruction artifacts in the output images. With the advantages of high contrast
high fidelity
and high speed in image reconstruction
DLAM can act as a powerful tool for the noninvasive evaluation of diseases
neural activity
and embryogenesis.
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