DMP-Net:用于脑组织术中成像的深度语义先验压缩频谱重建方法

IF 11.8 1区 医学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
Chipeng Cao , Jie Li , Pan Wang , Chun Qi
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引用次数: 0

摘要

在脑肿瘤的诊断和手术切除中,高光谱成像作为一种无创检测技术,可以有效表征不同组织的形态结构和细胞代谢的理化差异。然而,活体组织通常表现出一定的运动特征,传统的高光谱成像系统难以满足实时和快速成像的需求。快照压缩光谱成像(CSI)系统可以在单次曝光中快速获取病变区域的空间光谱信息,并结合重建算法,有效地恢复脑组织的高维光谱信息。高质量的重建结果对于保证脑组织光谱分析的可靠性至关重要。为了提高CSI系统的重构性能,提出了一种基于深度语义先验正则化的压缩谱重构方法。利用深度卷积先验模型的预测结果作为初始谱估计,为重建过程建立正则化项。结合交替方向乘法器(ADMM)优化脑组织高维光谱图像的解决方案。结果表明,利用CSI系统进行术中脑组织成像,可以快速获取病变区域的空间光谱信息。该方法利用深度卷积先验模型对重建过程进行优化,既更好地保留了不同患者光谱图像的结构一致性,又充分考虑了不同类型脑肿瘤的光谱差异,实现了更高的重建质量。这为脑肿瘤的精确定位和切除提供了有力的支持。该方法的源代码和相关数据可在https://github.com/ccp1025/DMP-Net下载。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
DMP-Net: Deep semantic prior compressed spectral reconstruction method towards intraoperative imaging of brain tissue
In the diagnosis and surgical resection of brain tumors, hyperspectral imaging, as a non-invasive detection technology, can effectively characterize the morphological structure and the physicochemical differences in cellular metabolism of different tissues. However, live tissues typically exhibit certain motion characteristics, and traditional hyperspectral imaging systems struggle to meet the demands for real-time and rapid imaging. The snapshot compressive spectral imaging (CSI) system can quickly acquire spatial spectral information of the lesion area in a single exposure and, combined with reconstruction algorithms, effectively restore the high-dimensional spectral information of brain tissue. High-quality reconstruction results are crucial for ensuring the reliability of spectral analysis of brain tissue. To improve the reconstruction performance of the CSI system, this paper proposes a compressive spectral reconstruction method based on deep semantic prior regularization. The predicted results of the deep convolutional prior model are used as the initial spectral estimate to establish a regularization term for the reconstruction process. This is combined with the Alternating Direction Method of Multipliers (ADMM) to optimize the solution for high-dimensional spectral images of brain tissue. The results show that using the CSI system for intraoperative brain tissue imaging can rapidly acquire spatial spectral information of the lesion area. By optimizing the reconstruction process with the deep convolutional prior model, this method not only better preserves the structural consistency of spectral images from different patients but also fully considers the spectral differences of different types of brain tumors, achieving higher reconstruction quality. This provides strong support for the precise localization and resection of brain tumors. The source code and related data of the proposed method can be downloaded at https://github.com/ccp1025/DMP-Net.
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来源期刊
Medical image analysis
Medical image analysis 工程技术-工程:生物医学
CiteScore
22.10
自引率
6.40%
发文量
309
审稿时长
6.6 months
期刊介绍: Medical Image Analysis serves as a platform for sharing new research findings in the realm of medical and biological image analysis, with a focus on applications of computer vision, virtual reality, and robotics to biomedical imaging challenges. The journal prioritizes the publication of high-quality, original papers contributing to the fundamental science of processing, analyzing, and utilizing medical and biological images. It welcomes approaches utilizing biomedical image datasets across all spatial scales, from molecular/cellular imaging to tissue/organ imaging.
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