利用一维解卷积和自适应实时自校准改进光声血管造影图像

IF 0.9 4区物理与天体物理 Q4 ACOUSTICS Acoustical Physics Pub Date : 2024-02-28 DOI:10.1134/S1063771023601176

E. M. Timanin, I. S. Mikhailova, I. I. Fiks, A. A. Kurnikov, A. V. Kovalchuk, A. G. Orlova, O. A. Ugarova, M. Frenz, M. Jaeger, P. V. Subochev

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引用次数: 0

摘要

摘要这项工作介绍了一种一维解卷积与 Tikhonov 正则化方法，用于增强体内三维光声图像。该方法采用自适应自校准来消除与超声波传播和检测相关的频率相关失真。通过适应被检测介质的非均质频率特性，该方法无需进行额外的校准实验。处理大小为 200 × 200 × 100 体素的三维光声数据所需的时间不到 5 毫秒，有助于实时增强血管造影图像，并将有效空间分辨率提高 50%以上。

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Improvement of Optoacoustic Angiographic Images Using One-Dimensional Deconvolution with Adaptive Real-Time Self-Calibration

This work introduces a method of one-dimensional deconvolution with Tikhonov regularization for enhancing three-dimensional optoacoustic images in vivo. The method employs adaptive self-calibration to eliminate frequency-dependent distortions associated with ultrasound propagation and detection. By adapting to the inhomogeneous frequency characteristics of the examined medium, the method eliminates the need for additional calibration experiments. The processing time for three-dimensional optoacoustic data of size 200 × 200 × 100 voxels is less than 5 ms, facilitating the real-time enhancement of angiographic images and improving the effective spatial resolution by more than 50%.

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来源期刊

Acoustical Physics 物理-声学

CiteScore

1.60

自引率

50.00%

发文量

审稿时长

3.5 months

期刊介绍： Acoustical Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It covers theoretical and experimental aspects of basic and applied acoustics: classical problems of linear acoustics and wave theory; nonlinear acoustics; physical acoustics; ocean acoustics and hydroacoustics; atmospheric and aeroacoustics; acoustics of structurally inhomogeneous solids; geological acoustics; acoustical ecology, noise and vibration; chamber acoustics, musical acoustics; acoustic signals processing, computer simulations; acoustics of living systems, biomedical acoustics; physical principles of engineering acoustics. The journal publishes critical reviews, original articles, short communications, and letters to the editor. It covers theoretical and experimental aspects of basic and applied acoustics. The journal welcomes manuscripts from all countries in the English or Russian language.