AIMC Topic: Photoacoustic Techniques

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A Synergistic Approach Using Photoacoustic Spectroscopy and AI-Based Image Analysis for Post-Harvest Quality Assessment of Conference Pears.

Molecules (Basel, Switzerland) Jun 1, 2025
This study presents a non-invasive approach to monitoring post-harvest fruit quality by applying CO laser photoacoustic spectroscopy (COLPAS) to study the respiration of "Conference" pears from local and commercially stored (supermarket) sources. Con...
Artificial Intelligence Image Processing, Computer-Assisted Ethanol Food Quality Photoacoustic Techniques Ethylenes Fruit Spectrum Analysis Ammonia
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Deep learning aided determination of the optimal number of detectors for photoacoustic tomography.

Biomedical physics & engineering express Feb 7, 2025
Photoacoustic tomography (PAT) is a non-destructive, non-ionizing, and rapidly expanding hybrid biomedical imaging technique, yet it faces challenges in obtaining clear images due to limited data from detectors or angles. As a result, the methodology...
Humans Neural Networks, Computer Algorithms Tomography Artifacts Deep Learning Phantoms, Imaging Image Processing, Computer-Assisted Photoacoustic Techniques
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Unrolled deep learning for breast cancer detection using limited-view photoacoustic tomography data.

Medical & biological engineering & computing Jan 25, 2025
Photoacoustic tomography (PAT) has emerged as a promising imaging modality for breast cancer detection, offering unique advantages in visualizing tissue composition without ionizing radiation. However, limited-view scenarios in clinical settings pres...
Image Processing, Computer-Assisted Photoacoustic Techniques Tomography Humans Algorithms Female Breast Neoplasms Deep Learning
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Photoacoustic Imaging with Attention-Guided Deep Learning for Predicting Axillary Lymph Node Status in Breast Cancer.

Academic radiology Jan 22, 2025
RATIONALE AND OBJECTIVES: Preoperative assessment of axillary lymph node (ALN) status is essential for breast cancer management. This study explores the use of photoacoustic (PA) imaging combined with attention-guided deep learning (DL) for precise p...
Lymph Nodes Nomograms Lymphatic Metastasis Axilla Sentinel Lymph Node Biopsy Photoacoustic Techniques Breast Neoplasms Middle Aged Deep Learning Female Adult Humans Retrospective Studies
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Deep proximal gradient network for absorption coefficient recovery in photoacoustic tomography.

Physics in medicine and biology Jan 22, 2025
The optical absorption properties of biological tissues in photoacoustic (PA) tomography are typically quantified by inverting acoustic measurements. Conventional approaches to solving the inverse problem of forward optical models often involve itera...
Image Processing, Computer-Assisted Signal-To-Noise Ratio Phantoms, Imaging Animals Deep Learning Photoacoustic Techniques Tomography Absorption
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Unsupervised inter-domain transformation for virtually stained high-resolution mid-infrared photoacoustic microscopy using explainable deep learning.

Nature communications Dec 30, 2024
Mid-infrared photoacoustic microscopy can capture biochemical information without staining. However, the long mid-infrared optical wavelengths make the spatial resolution of photoacoustic microscopy significantly poorer than that of conventional conf...
Microscopy Cell Nucleus Infrared Rays Photoacoustic Techniques Microscopy, Confocal Humans Fibroblasts Deep Learning Unsupervised Machine Learning Image Processing, Computer-Assisted
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Detecting Collagen by Machine Learning Improved Photoacoustic Spectral Analysis for Breast Cancer Diagnostics: Feasibility Studies With Murine Models.

Journal of biophotonics Nov 26, 2024
Collagen, a key structural component of the extracellular matrix, undergoes significant remodeling during carcinogenesis. However, the important role of collagen levels in breast cancer diagnostics still lacks effective in vivo detection techniques t...
Mice Disease Models, Animal Feasibility Studies Collagen Spectrum Analysis Photoacoustic Techniques Machine Learning Female Breast Neoplasms Animals
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Photoacoustic Quantification of Tissue Oxygenation Using Conditional Invertible Neural Networks.

IEEE transactions on medical imaging Sep 4, 2024
Intelligent systems in interventional healthcare depend on the reliable perception of the environment. In this context, photoacoustic tomography (PAT) has emerged as a non-invasive, functional imaging modality with great clinical potential. Current r...
Photoacoustic Techniques Image Processing, Computer-Assisted Oxygen Phantoms, Imaging Humans Neural Networks, Computer Algorithms
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Unsupervised adversarial neural network for enhancing vasculature in photoacoustic tomography images using optical coherence tomography angiography.

Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society Aug 28, 2024
Photoacoustic tomography (PAT) is a powerful imaging modality for visualizing tissue physiology and exogenous contrast agents. However, PAT faces challenges in visualizing deep-seated vascular structures due to light scattering, absorption, and reduc...
Unsupervised Machine Learning Neural Networks, Computer Photoacoustic Techniques Female Pregnancy Tomography, Optical Coherence Animals Angiography Mice
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Intelligent skin-removal photoacoustic computed tomography for human based on deep learning.

Journal of biophotonics Aug 2, 2024
Photoacoustic computed tomography (PACT) has centimeter-level imaging ability and can be used to detect the human body. However, strong photoacoustic signals from skin cover deep tissue information, hindering the frontal display and analysis of photo...
Skin Signal-To-Noise Ratio Photoacoustic Techniques Deep Learning Image Processing, Computer-Assisted Humans Tomography, X-Ray Computed
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