MECOPE: Multifocal excitation compressive-sensing photoacoustic endomicroscopy through a multimode fibre [0.03%]
通过多模光纤实现多功能激励压缩感知光声内镜 microscopy-through-a-fibre
Tianrui Zhao,Edward Zhang,Paul C Beard et al.
Tianrui Zhao et al.
Photoacoustic endoscopy has gained intensive research interest in recent years, particularly for guiding minimally invasive procedures in several clinical disciplines including oncology, cardiology and fetal medicine. Multimode fibres hold ...
Eunwoo Park,Donggyu Kim,Mingyu Ha et al.
Eunwoo Park et al.
Photoacoustic microscopy (PAM), an imaging modality with emerging importance in diverse biomedical applications, provides excellent structural and functional information at the micro-scale. Technological innovations have significantly enhan...
Residual-conditioned sparse transformer for photoacoustic image artifact reduction [0.03%]
基于残差条件的稀疏变换器在photoacoustic图像伪影去除中的应用研究
Xiaoxue Wang,Jinzhuang Xu,Chenglong Zhang et al.
Xiaoxue Wang et al.
Photoacoustic tomography (PAT) combines the high spatial resolution of ultrasound imaging with the high contrast of optical imaging. To reduce acquisition time and lower the cost of photoacoustic imaging, sparse sampling strategy is often e...
Photoacoustic imaging detects cerebrovascular pathological changes in sepsis [0.03%]
photo声成像检测脓毒症的脑血管病理变化
Zhigang Wang,Changpeng Ai,Ting Sun et al.
Zhigang Wang et al.
Sepsis-associated encephalopathy (SAE) is a common complication of sepsis, involving acute brain dysfunction. Although cerebrovascular impairment plays a critical role in SAE, sepsis-induced microvascular changes remain poorly quantified. H...
Local oxygen concentration reversal from hyperoxia to hypoxia monitored by optical-resolution photoacoustic microscopy in inflammation-resolution process [0.03%]
基于光学分辨率光声显微镜的炎症消退过程中的局部氧浓度从高氧向低氧的变化监测
Yizhou Tan,Min Zhang,Zhifeng Wu et al.
Yizhou Tan et al.
Current consensus suggests a simultaneous occurrence of hypoxia and inflammation. For the first time, we observed a hyperoxia state during the initiation stage of gouty arthritis (GA) via optical-resolution photoacoustic microscopy. GA as a...
Model-informed deep-learning photoacoustic reconstruction for low-element linear array [0.03%]
基于模型的深度学习型低通道线阵光声重建方法
Souradip Paul,S Alex Lee,Shensheng Zhao et al.
Souradip Paul et al.
Photoacoustic tomography (PAT), widely applied using linear array ultrasound transducers for clinical and preclinical imaging, faces significant challenges due to sparse sensor arrangements and limited sensor pitch. These factors often comp...
Signal-domain speed-of-sound correction for ring-array-based photoacoustic tomography [0.03%]
基于环形光声断层扫描的信号域声速校正方法
Daohuai Jiang,Hengrong Lan,Shangqing Tong et al.
Daohuai Jiang et al.
Photoacoustic imaging combines the advantages of optical and acoustic imaging, making it a promising tool in biomedical imaging. Photoacoustic tomography (PAT) reconstructs images by solving the inverse problem from detected photoacoustic w...
Christoph Dehner,Ledia Lilaj,Vasilis Ntziachristos et al.
Christoph Dehner et al.
Model-based reconstruction provides state-of-the-art image quality for multispectral optoacoustic tomography. However, optimal regularization of in vivo data necessitates scan-specific adjustments of the regularization strength to compensat...
Highly sensitive H2S-LITES sensor with 80 m fiber-coupled multi-pass cell based on optical path multiplexing technology [0.03%]
一种基于光纤复用技术的高灵敏度H2S-LITES传感器
Haiyue Sun,Ying He,Shunda Qiao et al.
Haiyue Sun et al.
This paper presented a highly sensitive light-induced thermoelastic spectroscopy (LITES) sensor for detecting hydrogen sulfide (H₂S) gas. Optical path multiplexing (OPM) technology was implemented within the fiber-coupled multi-pass cell (...
Iterative optimization algorithm with structural prior for artifacts removal of photoacoustic imaging [0.03%]
基于结构先验的光声成像迭代优化去伪算法研究
Yu Zhang,Shuang Li,Yibing Wang et al.
Yu Zhang et al.
In reality, photoacoustic imaging (PAI) is generally influenced by artifacts caused by sparse array or limited view. In this work, to balance the computing cost and artifact removal performance, we propose an iterative optimization method t...