AIMC Topic: Photoacoustic Techniques

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Quantitative measurement of blood glucose influenced by multiple factors via photoacoustic technique combined with optimized wavelet neural networks.

Journal of biophotonics Dec 7, 2022
In this work, the photoacoustic (PA) quantitative measurement of blood glucose concentration (BGC) influenced by multiple factors was firstly investigated. A set of PA detection system of blood glucose considering the comprehensive influence of five ...
Nonlinear Dynamics Photoacoustic Techniques Neural Networks, Computer Algorithms Blood Glucose Rabbits Animals
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Deep Learning-Powered Bessel-Beam Multiparametric Photoacoustic Microscopy.

IEEE transactions on medical imaging Dec 2, 2022
Enabling simultaneous and high-resolution quantification of the total concentration of hemoglobin ( [Formula: see text]), oxygen saturation of hemoglobin (sO2), and cerebral blood flow (CBF), multi-parametric photoacoustic microscopy (PAM) has emerge...
Brain Animals Deep Learning Microscopy Spectrum Analysis Photoacoustic Techniques Mice Hemoglobins
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Deep-Learning-Based Electrical Noise Removal Enables High Spectral Optoacoustic Contrast in Deep Tissue.

IEEE transactions on medical imaging Oct 27, 2022
Image contrast in multispectral optoacoustic tomography (MSOT) can be severely reduced by electrical noise and interference in the acquired optoacoustic signals. Previously employed signal processing techniques have proven insufficient to remove the ...
Humans Image Processing, Computer-Assisted Algorithms Signal-To-Noise Ratio Photoacoustic Techniques Deep Learning
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Deep learning alignment of bidirectional raster scanning in high speed photoacoustic microscopy.

Scientific reports Sep 28, 2022
Simultaneous point-by-point raster scanning of optical and acoustic beams has been widely adapted to high-speed photoacoustic microscopy (PAM) using a water-immersible microelectromechanical system or galvanometer scanner. However, when using high-sp...
Cross-Sectional Studies Microscopy, Confocal Photoacoustic Techniques Deep Learning Water
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Deep Learning-Based Photoacoustic Imaging of Vascular Network Through Thick Porous Media.

IEEE transactions on medical imaging Aug 1, 2022
Photoacoustic imaging is a promising approach used to realize in vivo transcranial cerebral vascular imaging. However, the strong attenuation and distortion of the photoacoustic wave caused by the thick porous skull greatly affect the imaging quality...
Porosity Photoacoustic Techniques Deep Learning Image Processing, Computer-Assisted Neural Networks, Computer Algorithms
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Theoretical Framework to Predict Generalized Contrast-to-Noise Ratios of Photoacoustic Images With Applications to Computer Vision.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control May 26, 2022
The successful integration of computer vision, robotic actuation, and photoacoustic imaging to find and follow targets of interest during surgical and interventional procedures requires accurate photoacoustic target detectability. This detectability ...
Signal-To-Noise Ratio Phantoms, Imaging Photoacoustic Techniques Image Processing, Computer-Assisted Robotics Spectrum Analysis Computers
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High-Speed Ultraviolet Photoacoustic Microscopy for Histological Imaging with Virtual-Staining assisted by Deep Learning.

Journal of visualized experiments : JoVE Apr 28, 2022
Surgical margin analysis (SMA), an essential procedure to confirm the complete excision of cancerous tissue in tumor resection surgery, requires intraoperative diagnostic tools to avoid repeated surgeries due to a positive surgical margin. Recently, ...
Photoacoustic Techniques Deep Learning Mice Animals Microscopy Staining and Labeling Spectrum Analysis
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A Deep Learning-Based Model That Reduces Speed of Sound Aberrations for Improved In Vivo Photoacoustic Imaging.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society Oct 27, 2021
Photoacoustic imaging (PAI) has attracted great attention as a medical imaging method. Typically, photoacoustic (PA) images are reconstructed via beamforming, but many factors still hinder the beamforming techniques in reconstructing optimal images i...
Photoacoustic Techniques Deep Learning Humans Algorithms Diagnostic Imaging Artifacts
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Exploring photoacoustic spectroscopy-based machine learning together with metabolomics to assess breast tumor progression in a xenograft model ex vivo.

Laboratory investigation; a journal of technical methods and pathology Apr 19, 2021
In the current study, a breast tumor xenograft was established in athymic nude mice by subcutaneous injection of the MCF-7 cell line and assessed the tumor progression by photoacoustic spectroscopy combined with machine learning tools. The advancemen...
Animals Mice Metabolomics Mammary Neoplasms, Experimental Mice, Nude Spectrum Analysis Algorithms Humans Female Photoacoustic Techniques MCF-7 Cells Machine Learning Breast Neoplasms Image Interpretation, Computer-Assisted
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Assessing Rectal Cancer Treatment Response Using Coregistered Endorectal Photoacoustic and US Imaging Paired with Deep Learning.

Radiology Mar 23, 2021
Background Conventional radiologic modalities perform poorly in the radiated rectum and are often unable to differentiate residual cancer from treatment scarring. Purpose To report the development and initial patient study of an imaging system compri...
Male Middle Aged Deep Learning Aged, 80 and over Adult Rectal Neoplasms Photoacoustic Techniques Humans Neoplasm, Residual Ultrasonography Female Diagnosis, Differential Prospective Studies Aged
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