方法对比
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| 光学相干断层扫描血管成像× | CT 迭代重建× | |
|---|---|---|
| 领域 | 医学影像 | 医学影像 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 2012 | 1974 |
| 提出者≠ | Yali Jia | Richard Gordon |
| 类型≠ | Optical imaging technique for vasculature visualization | Algorithm for tomographic image reconstruction |
| 开创性文献≠ | Jia, Y., Tan, O., Tokayer, J., et al. (2012). Split-spectrum amplitude-decorrelation angiography with optical coherence tomography. Optics Express, 20(4), 4710-4725. DOI ↗ | Gordon, R., Bender, R., Herman, G. T. (1974). Algebraic reconstruction techniques (ART) for three-dimensional electron microscopy and X-ray photography. Journal of Theoretical Biology, 29(3), 471-481. link ↗ |
| 别名≠ | OCTA, OCT-A | MBIR, ASIR, IR-CT, statistical reconstruction |
| 相关 | 5 | 5 |
| 摘要≠ | Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that visualizes the microvasculature in the retina and choroid by detecting motion contrast from flowing blood. Developed by Jia and colleagues in 2012, OCTA uses repeated OCT scans of the same tissue location to identify blood flow based on the decorrelation signal. It has become a critical diagnostic tool in ophthalmology for detecting retinal and macular diseases without requiring fluorescein injection. | CT Iterative Reconstruction (IR) is a computational technique that reconstructs tomographic images from raw X-ray projection data by iteratively refining an estimate of tissue attenuation until it matches the measured projections. Developed from algebraic reconstruction techniques pioneered by Gordon in 1974, iterative reconstruction has revolutionized clinical CT by enabling high-quality images at reduced radiation dose. Variants such as Adaptive Statistical Iterative Reconstruction (ASIR) and Model-Based Iterative Reconstruction (MBIR) are now standard on modern CT scanners. |
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