Brightfield multiplex immunohistochemistry with multispectral imaging
2020年4月27日 · In addition, an automated rapid imaging system was developed, using a synchronized 12-LED illuminator, that could capture images at all wavelengths in under 1 s. In one example, a...
High-speed Fourier ptychographic microscopy based on
2018年5月16日 · Our new method, termed AIFPM, uses an annular illumination scheme: by only lighting up LED elements located on a ring with the illumination NA matching the NA obj, only 4–12 bright-field raw ...
Light Emitting Diodes based Photoacoustic Imaging and …
2018年6月29日 · In this work, we explored the feasibility of LED-based PA imaging for measurement of blood oxygenation by using a pair of dual-wavelength LED bars which can emit 690-nm and 850-nm wavelength...
The Evolution of LED-based Photoacoustic Imaging: From Labs
The high-power LEDs in question, exemplified by the CBT-120 model from Luminus, were designed to emit light in the range of 400 nm to 650 nm wavelengths. Notably, this work led to an impressive enhancement in LED-PA imaging performance.
Towards Clinical Translation of LED-Based Photoacoustic Imaging …
2020年4月27日 · Owing to its portability, affordability, imaging speed and safety aspects, LED-based PAI holds potential in real-time functional and structural characterization of tissue in various superficial and sub-surface imaging applications and also to …
A high-efficiency acquisition method of LED ... - ScienceDirect
2021年2月1日 · LED illumination based multispectral imaging (LEDMSI) is one of the promising techniques of fast and effective spectral image acquisition. RGB camera based LEDMSI can acquire 3-band images in a single exposure, which has …
A high-efficiency acquisition method of LED ... - ScienceDirect
2022年6月30日 · LED illumination-based multispectral imaging (LEDMSI) is a fast, convenient, and effective multispectral image acquisition technique. The square wave frequency division modulation (SFDM) and the integral sampling of the camera can build an efficient match pattern. With regards to image quality decline problems due to the ringing effect caused ...
LED-based photoacoustic imaging: a point-of-care solution for ...
2024年3月12日 · Recent advances in using high-power LED arrays for photoacoustic imaging are promising due to their portability, affordability, and ease-of-use in clinical settings. In this work, we demonstrate the potential of LED-based photoacoustic imaging for microvascular health assessment through in vivo human volunteer imaging.
LED multispectral imaging based on frequency-division …
2022年7月1日 · A fast and high-precision LED multispectral image acquisition method is proposed. Among them, square wave modulation LED and camera square wave integral sampling form good coordination to improve the purpose of image accuracy; Square wave frequency-division modulation can improve the speed of image acquisition.
Quantitative differential phase contrast imaging in an LED array …
Our method uses an LED array microscope to achieve real-time (10 Hz) quantitative phase imaging with in vitro live cell samples. Illumination-based differential phase contrast (DPC) is a phase imaging method that uses a pair of images with asymmetric illumination patterns.