Nonlinear dual-frequency modulation QEPAS using a single laser for resolving overlapping spectral features [0.03%]
利用单台激光器的非线性双频调制QEPAS技术解析重叠光谱特征
Xiaowen Shen,Lei Yang,Chaofeng Sun et al.
Xiaowen Shen et al.
Conventional single-frequency wavelength modulation spectroscopy faces inherent limitations in multi-component gas sensing, due to restricted detection dimensionality and unavoidable trade-offs in modulation parameters. To overcome these is...
Photoacoustic-ultrasound endoscopy for assessment of rectal cancer treatment response: A prospective study with T2-weighted MRI radiomics comparison [0.03%]
用于评估直肠癌治疗反应的光声-超声内镜检查：与T2加权MRI影像组学比较的前瞻性研究
Haolin Nie,Sanskar Thakur,Anup Shetty et al.
Haolin Nie et al.
Accurate identification of pathological complete response (pCR) following neoadjuvant chemoradiotherapy for locally advanced rectal cancer (LARC) is critical for non-operative "watch-and-wait" strategies. In this study, we evaluated whether...
Quantitative longitudinal photoacoustic imaging of vascular oxygenation for therapy response monitoring in Non-Hodgkin lymphoma [0.03%]
非霍奇金淋巴瘤治疗反应监测中的血管氧合纵向照片声成像定量研究
Jing Shi,Ying Fan,Jie Mi et al.
Jing Shi et al.
Non-Hodgkin lymphoma (NHL) is clinically heterogeneous and lacks practical tools for repeated, noninvasive monitoring of response. We performed longitudinal photoacoustic imaging (PAI) at five time points in NHL xenografts to quantify Hb, H...
Simultaneous photoacoustic detection of coal spontaneous combustion indicator gases using single laser and absorption feature selection-optimized partial least squares regression [0.03%]
基于单激光及吸收特征优选优化的偏最小二乘回归同步检测煤岩自燃标志性气体研究
Lingmin Zhang,Zongxuan Mou,Lixian Liu et al.
Lingmin Zhang et al.
To overcome spectral interference in detecting coal spontaneous combustion gases (CH4, C2H6, C3H8), an absorption feature selection-optimized partial least squares regression (AFS-PLSR) algorithm was developed. Using a single interband casc...
Decoding melanin dynamics: Photoacoustic microscopy reveals differential aging of metabolic and keratinized skin zones [0.03%]
黑色素动力学的解码： photoacoustic 显微镜揭示代谢和角质皮肤区域的差异老化现象
Zhiqun Zhang,Zhida Chen,Yilin Chen et al.
Zhiqun Zhang et al.
Understanding depth-resolved distribution of melanin is crucial, yet anatomical methods fail to capture its functional state. Photoacoustic imaging at 650 nm, sensitive to epidermal melanin, bridges this gap. We developed functional zone se...
PAT-Mamba: Adaptive all-in-one image restoration for photoacoustic tomography via state space model [0.03%]
基于状态空间模型的用于光声断层扫描自适应全栈图像复原方法(PAT-Mamba)
Zhihao Chen,Ting Feng,Dean Ta
Zhihao Chen
Photoacoustic tomography (PAT) combines optical contrast with ultrasonic penetration, yet hardware limitations and workflow constraints in practical systems inevitably introduce multiple degradation pathways including channel under-sampling...
Nine-grid segmentation strategy for photoacoustic imaging of microcirculation oxygenation dynamics in the thenar muscle [0.03%]
用于掌骨肌微循环氧合动力学的 Photoacoustic 成像的九宫格分割策略
Zheng Qu,Cong Mai,Bin Ouyang et al.
Zheng Qu et al.
Microcirculatory dysfunction is central to the pathophysiology of diseases such as sepsis, diabetes, and cardiovascular disorders. While clinical tools like near-infrared spectroscopy (NIRS) and transcutaneous oxygen monitoring (TcPO₂) off...
Frequency-domain photoacoustic microscopy with resonant transducer and interferometric modulation for high-reliability sO2 imaging [0.03%]
基于共振换能器和干涉调制的频域功能光声显微镜用于高可靠性sO2成像
Yong-Jae Lee,Tae Joong Eom,Lihong V Wang
Yong-Jae Lee
Frequency-domain photoacoustic microscopy (FD-PAM) could leverage a high-Q resonant ultrasound transducer to suppress out-of-band noise and lower the noise-equivalent pressure (NEP) for truly simultaneous multi-wavelength functional imaging...
Radon-full-waveform inversion for suppressing scalp reverberation and skull-induced aberration in transcranial photoacoustic computed tomography [0.03%]
基于 Radon 完整波形反演的经颅光声计算机断层扫描头骨回声及散射抑制方法研究
Jiawen Zhang,Han Yang,Jintao Ma et al.
Jiawen Zhang et al.
Photoacoustic computed tomography is promising for noninvasive imaging of cerebral function but is limited by skull-induced acoustic aberrations. Moreover, strong superficial signals from the scalp often produce reverberations within the sk...
A generative adversarial network with multi-scale structural features for sparse-view photoacoustic tomography reconstruction [0.03%]
基于多尺度结构特征的稀疏视图光声层析重建生成对抗网络
Jialin Li,Xudong Luo,Yiming Ma et al.
Jialin Li et al.
Photoacoustic tomography combines high optical absorption contrast with deep ultrasonic penetration, providing powerful capabilities for high resolution biomedical imaging. It often demands wide field and large data acquisition, posing sign...