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Epipolar Consistency in Transmission Imaging.
Aichert A, Berger M, Wang J, Maass N, Doerfler A, Hornegger J, Maier AK. Aichert A, et al. IEEE Trans Med Imaging. 2015 Nov;34(11):2205-19. doi: 10.1109/TMI.2015.2426417. Epub 2015 Apr 24. IEEE Trans Med Imaging. 2015. PMID: 25915956
This paper presents the derivation of the Epipolar Consistency Conditions (ECC) between two X-ray images from the Beer-Lambert law of X-ray attenuation and the Epipolar Geometry of two pinhole cameras, using Grangeat's theorem. We motivate the use of O …
This paper presents the derivation of the Epipolar Consistency Conditions (ECC) between two X-ray images from the Beer-Lambert …
RayMVSNet++: Learning Ray-Based 1D Implicit Fields for Accurate Multi-View Stereo.
Shi Y, Xi J, Hu D, Cai Z, Xu K. Shi Y, et al. IEEE Trans Pattern Anal Mach Intell. 2023 Nov;45(11):13666-13682. doi: 10.1109/TPAMI.2023.3296163. Epub 2023 Oct 3. IEEE Trans Pattern Anal Mach Intell. 2023. PMID: 37459269
In particular, we propose RayMVSNet which learns sequential prediction of a 1D implicit field along each camera ray with the zero-crossing point indicating scene depth. This sequential modeling, conducted based on transformer features, essentially learns the epipolar …
In particular, we propose RayMVSNet which learns sequential prediction of a 1D implicit field along each camera ray with the zero-cro …
Calibration-free beam hardening reduction in x-ray CBCT using the epipolar consistency condition and physical constraints.
Würfl T, Hoffmann M, Aichert A, Maier AK, Maaß N, Dennerlein F. Würfl T, et al. Med Phys. 2019 Dec;46(12):e810-e822. doi: 10.1002/mp.13625. Med Phys. 2019. PMID: 31811794
BACKGROUND: The beam hardening effect is a typical source of artifacts in x-ray cone beam computed tomography (CBCT). It causes streaks in reconstructions and corrupted Hounsfield units toward the center of objects, widely known as cupping artifacts. ...We show that the ef …
BACKGROUND: The beam hardening effect is a typical source of artifacts in x-ray cone beam computed tomography (CBCT). It causes strea …
3-D reconstruction of the coronary artery tree from multiple views of a rotational X-ray angiography.
Liao R, Luc D, Sun Y, Kirchberg K. Liao R, et al. Int J Cardiovasc Imaging. 2010 Oct;26(7):733-49. doi: 10.1007/s10554-009-9528-0. Epub 2009 Nov 3. Int J Cardiovasc Imaging. 2010. PMID: 19885737
To present an efficient and robust method for 3-D reconstruction of the coronary artery tree from multiple ECG-gated views of an X-ray angiography. 2-D coronary artery centerlines are extracted automatically from X-ray projection images using an enhanced multi-scale …
To present an efficient and robust method for 3-D reconstruction of the coronary artery tree from multiple ECG-gated views of an X-ray …