131 citations · 600 across the 16 of their papers we have counts for
16 papers
Residual neural-field ptychography for dose-efficient electron, X-ray, and optical nanoscopy
Qianhao Zhao, Zhixuan Hong, Ruihai Wang +7
Ptychography spans from sub-angstrom to meter scales yet suffers from convergence instability and excessive data redundancy. Here we introduce self-correcting residual neural field…
Video-rate gigapixel ptychography via space-time neural field representations
Ruihai Wang, Qianhao Zhao, Zhixuan Hong +14
Achieving gigapixel space-bandwidth products (SBP) at video rates represents a fundamental challenge in imaging science. Here we demonstrate video-rate ptychography that overcomes…
Deep-ultraviolet ptychographic pocket-scope (DART): mesoscale lensless molecular imaging with label-free spectroscopic contrast
Ruihai Wang, Qianhao Zhao, Julia Quinn +11
The mesoscale characterization of biological specimens has traditionally required compromises between resolution, field-of-view, depth-of-field, and molecular specificity, with mos…
Multiscale aperture synthesis imager
Ruihai Wang, Qianhao Zhao, Tianbo Wang +7
Synthetic aperture imaging has enabled breakthrough observations from radar to astronomy. However, optical implementation remains challenging due to stringent wavefield synchroniza…
Ptychographic non-line-of-sight imaging for depth-resolved visualization of hidden objects
Pengming Song, Qianhao Zhao, Ruihai Wang +6
Non-line-of-sight (NLOS) imaging enables the visualization of objects hidden from direct view, with applications in surveillance, remote sensing, and light detection and ranging. H…
Ptycho-endoscopy on a lensless ultrathin fiber bundle tip
Pengming Song, Ruihai Wang, Lars Loetgering +8
Synthetic aperture radar (SAR) utilizes an aircraft-carried antenna to emit electromagnetic pulses and detect the returning echoes. As the aircraft travels across a designated area…
Spatially-coded Fourier ptychography: flexible and detachable coded thin films for quantitative phase imaging with uniform phase transfer characteristics
Ruihai Wang, Liming Yang, Yujin Lee +8
Fourier ptychography (FP) is an enabling imaging technique that produces high-resolution complex-valued images with extended field coverages. However, when FP images a phase object…
Lensless polarimetric coded ptychography for high-resolution, high-throughput gigapixel birefringence imaging on a chip
Liming Yang, Ruihai Wang, Qianhao Zhao +7
Polarimetric imaging provides valuable insights into the polarization state of light interacting with a sample. It can infer crucial birefringence properties of bio-specimens witho…
Blood-coated sensor for high-throughput ptychographic cytometry on a Blu-ray disc
Shaowei Jiang, Chengfei Guo, Tianbo Wang +6
Blu-ray drive is an engineering masterpiece that integrates disc rotation, pickup head translation, and three lasers in a compact and portable format. Here we integrate a blood-coa…
Resolution-enhanced parallel coded ptychography for high-throughput optical imaging
Shaowei Jiang, Chengfei Guo, Pengming Song +11
Ptychography is an enabling coherent diffraction imaging technique for both fundamental and applied sciences. Its applications in optical microscopy, however, fall short for its lo…
Ptychographic sensor for large-scale lensless microbial monitoring with high spatiotemporal resolution
Shaowei Jiang, Chengfei Guo, Zichao Bian +9
Traditional microbial detection methods often rely on the overall property of microbial cultures and cannot resolve individual growth event at high spatiotemporal resolution. As a…
Virtual brightfield and fluorescence staining for Fourier ptychography via unsupervised deep learning
Ruihai Wang, Pengming Song, Shaowei Jiang +6
Fourier ptychographic microscopy (FPM) is a computational approach geared towards creating high-resolution and large field-of-view images without mechanical scanning. To acquire co…
Super-resolved multispectral lensless microscopy via angle-tilted, wavelength-multiplexed ptychographic modulation
Pengming Song, Ruihai Wang, Jiakai Zhu +8
We report an angle-tilted, wavelength-multiplexed ptychographic modulation approach for multispectral lensless on-chip microscopy. In this approach, we illuminate the specimen with…
Autofocusing technologies for whole slide imaging and automated microscopy
Zichao Bian, Chengfei Guo, Shaowei Jiang +6
Whole slide imaging (WSI) has moved digital pathology closer to diagnostic practice in recent years. Due to the inherent tissue topography variability, accurate autofocusing remain…
OpenWSI: a low-cost, high-throughput whole slide imaging system via single-frame autofocusing and open-source hardware
Chengfei Guo, Zichao Bian, Shaowei Jiang +7
Recent advancements in whole slide imaging (WSI) have moved pathology closer to digital practice. Existing systems require precise mechanical control and the cost is prohibitive fo…
Wide-field, high-resolution lensless on-chip microscopy via near-field blind ptychographic modulation
Shaowei Jiang, Jiakai Zhu, Pengming Song +7
We report a novel lensless on-chip microscopy platform based on near-field blind ptychographic modulation. In this platform, we place a thin diffuser in between the object and the…