Longitudinal three-dimensional photoacoustic imaging reveals hyperoxic perilesional microvasculature associated with keloid recurrence [0.03%]
纵向三维光声成像揭示了与瘢痕疙瘩复发相关的高氧微血管环境
Aiko Makino,Susumu Saito,Ayako Takaya et al.
Aiko Makino et al.
Keloids undergo repeated cycles of regression and recurrence; however, vascular dynamics associated with recurrence remain poorly understood. In this prospective time-series study, we investigated microvascular changes in keloids using long...
Physics-consistent denoising of full-field photoacoustic displacement maps using an adaptive residual attention network [0.03%]
基于自适应残差注意力网络的全场光声位移图物理一致去噪方法
Muhammad Awais,Taeil Yoon,Wonshik Choi et al.
Muhammad Awais et al.
Full-field photoacoustic tomography (FF-PAT) enables non-contact imaging of optical absorption by mapping the surface displacements induced by photoacoustic waves. In practice, these measured displacement fields often suffer from significan...
Effective point spread function modeling of photoacoustic remote sensing microscopy towards resolution enhancement [0.03%]
有效点扩散函数建模的光声远程感应显微术在分辨率增强方面的研究
Hao Zhang,Yihan Pi,Bingxue Zhang et al.
Hao Zhang et al.
Photoacoustic remote sensing (PARS) microscopy, as an all-optical non-contact imaging modality, has demonstrated considerable potential in biomedical applications. However, current studies on PARS resolution remain limited to experimental c...
Progressive dual-branch adversarial diffusion for sparse-view photoacoustic tomography reconstruction [0.03%]
用于稀疏视图光声断层成像重建的渐进式双分支对抗扩散方法
Xin Li,Jiaming Peng,Yun Zhang et al.
Xin Li et al.
Photoacoustic computed tomography (PACT) combines the high optical absorption contrast of optical excitation with the deep tissue penetration enabled by ultrasonic detection, making it a promising imaging modality. However, constraints on t...
A wearable fiber-optoacoustic interface for continuous deep-tissue hemodynamics in MRI environments [0.03%]
一种用于磁共振环境下的连续深层组织血动力学监测的可穿戴光声接口设备
Zhixuan Hu,Minghao Ma,Chaoneng Wu et al.
Zhixuan Hu et al.
Continuous monitoring of arterial waveforms is critical for assessing cardiovascular status in intensive care and intraoperative settings. However, conventional modalities relying on electronics or metallic transducers are strictly incompat...
Limited-view signal recovery with frequency-aware denoising diffusion and geometry-integrated masked autoencoders for X-ray acoustic computed tomography [0.03%]
基于频率感知去噪扩散和几何集成掩码自编码器的CT低剂量及欠采样成像研究
Jiayuan Peng,Mengyang Lu,Bin Cai et al.
Jiayuan Peng et al.
X-ray acoustic computed tomography (XACT) suffers from low SNR and limited-view detection when only a limited number of detector channels are available. To address these limitations, we introduce a two-stage limited-view signal recovery fra...
Heterodyne photoacoustic gas sensing with real-time resonance tracking in high- Q resonators [0.03%]
基于共振追踪的高Q腔异频声光气体传感技术
Tingting Wei,Hongpeng Wu,Weidong Chen et al.
Tingting Wei et al.
High quality-factor (High-Q) photoacoustic (PA) resonators are widely recognized for their superior signal enhancement in trace gas sensing; however, their practical deployment is fundamentally limited by extreme sensitivity of the resonanc...
Three-dimensional microangiography of the mouse brain using super-resolution ultrasound and optoacoustic imaging with a spherical array transducer [0.03%]
基于球面阵列换能器的超分辨超声和光声血管成像小鼠全脑三维微血管影像
Daniil Nozdriukhin,Yi Chen,Cristian Ciobanu et al.
Daniil Nozdriukhin et al.
High-resolution visualization of the mouse brain microvasculature is essential for advancing neurovascular research and understanding neurological disorders. Recent advances in pulse-echo ultrasound (US) and optoacoustic (OA) imaging enable...
Multiple reflection: A Route to enhanced sensitivity in beam-deflection optical ultrasound sensing [0.03%]
多次反射提高光束偏转法光学超声检测灵敏度的研究
Yuxin You,Pengfei Niu,Yiwen Ma et al.
Yuxin You et al.
All-optical ultrasound sensors have recently emerged as promising candidates to replace conventional piezoelectric transducers in photoacoustic imaging, owing to their broad bandwidth, compact active area, and good compatibility with light ...
FM-Adapt: Foundation model adaptation with photoacoustic-supervised learning for interventional ultrasound [0.03%]
基于光声监督学习的介入超声基础模型适应方法（FM-Adapt）
Jahid Hasan,Praveenbalaji Rajendran,Ying Cai et al.
Jahid Hasan et al.
Foundation models (FMs), such as the Segment Anything Model (SAM), have remarkable capabilities for general-purpose segmentation tasks through large-scale pre-training. However, a substantial domain shift limits their effectiveness in compl...