Segmentation-free x-ray energy spectrum estimation for computed tomography using dual-energy material decomposition
An x-ray energy spectrum plays an essential role in computed tomography (CT) imaging and
related tasks. Because of the high photon flux of clinical CT scanners, most of the spectrum …
related tasks. Because of the high photon flux of clinical CT scanners, most of the spectrum …
基于光谱估计和图像重建的双能量CT 迭代算法
常少杰， 牟轩沁 - CT 理论与应用研究, 2018 - cttacn.org.cn
已知的光谱信息对双能量CT (DECT) 重建具有重要的意义, 但在实际应用中,
光谱信息很难直接获得, 此外, 双能量CT 的重建算法对噪声敏感, 因此, 在重建算法中需要设计 …
光谱信息很难直接获得, 此外, 双能量CT 的重建算法对噪声敏感, 因此, 在重建算法中需要设计 …
[PDF][PDF] An iterative algorithm with simultaneously updating the spectrum and the image of dual energy computed tomography
Knowing the X-ray spectrum is important to dual energy computed tomography (DECT)
reconstruction. Whereas the spectrum is not always available in practice. In addition, the …
reconstruction. Whereas the spectrum is not always available in practice. In addition, the …