多模式医疗图像融合使用NSCT领域的基于方向总变化的线性光谱集群
Mohammad Zubair Khan1, Manoj Diwakar2,3, Prakash Srivastava4
1Faculty of Computer and Information System , Islamic University of Madinah, Madinah, 42351, Saudi Arabia.
Scientific reports
|February 4, 2026
概括
这项研究引入了一种用于融合医疗图像 (CT-MRI) 的新方法,以帮助视力低下专家. 新方法提高了图像清晰度,为医学分析和研究提供了更可靠的数据.
科学领域:
- 医疗成像医学成像
- 计算机视觉 计算机视觉
- 信号处理 信号处理
背景情况:
- 视力低下的医疗专家面临着从医疗图像中提取关键信息的挑战.
- 多模态图像融合 (如CT-MRI) 通过结合互补信息提供了一个潜在的解决方案.
- 现有的融合方法可能会与杂或转移变异的医疗图像数据作斗争.
研究的目的:
- 开发一种新的多模式医疗图像融合架构.
- 为了应对噪音和转移变化的医疗图像所带来的挑战.
- 为了提高低视力专家的融合医疗图像的分析可靠性.
主要方法:
- 使用卷积神经网络 (CNN) 减少医疗图像中的噪音.
- 应用非亚样本轮变换 (NSCT) 来获得近似和详细的图像组件.
- 使用方向总变化 (DTV) 的近似组件的融合使线性光谱聚类成为可能.
- 使用总量修改拉普拉西安 (SML) 方法的详细组件的融合.
- 通过反向NSCT重建最终的融合图像.
主要成果:
- 拟议的NSCT域融合架构有效地减少了多模式医疗图像中的噪声.
- 结合DTV光谱聚类和SML的融合策略产生了信息丰富的融合图像.
- 定性和定量分析证明了拟议方法的优越性.
结论:
- 开发的多模态图像融合技术增强了医疗专家的诊断信息,特别是那些视力低下的人.
- 转移不变的NSCT领域和强大的融合策略有助于获得可靠的分析结果.
- 该方法为医学成像中的比较研究和实验分析提供了有价值的工具.
相关概念视频
Linear Approximation in Frequency Domain
383
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
383
Linear Approximation in Time Domain
376
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
376
Conservation of Protein Domains Over Different Proteins
14.6K
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
14.6K
Nuclear Fusion
33.9K
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons.
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
33.9K
Conservative Site-specific Recombination and Phase Variation
6.8K
Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...
The recognition sites for Cre recombinase called LoxP...
6.8K
What is Variation?
18.6K
Apart from the measures of central tendency, distribution, outliers, and the changing characteristics of data with time, an important characteristic of any data set is its variation or spread. In some data sets, the data values are concentrated closely near the mean; in others, the data values are more widely spread out from the mean.
The range, standard deviation, standard error, and variance are the different measures of variation.
Range: The range is the difference between its maximum and...
The range, standard deviation, standard error, and variance are the different measures of variation.
Range: The range is the difference between its maximum and...
18.6K


