Early-photon fluorescence tomography: spatial resolution improvements and noise stability considerations.
Early-photon fluorescence tomography: spatial resolution improvements and noise stability considerations.
复制标题
DOI:
10.1364/josaa.26.001444
复制
发表时间:
2009-06
期刊:
影响因子:
--
通讯作者:
Pogue BW
中科院分区:
文献类型:
--
作者:
Leblond F;Dehghani H;Kepshire D;Pogue BW
In vivo tissue imaging using near-infrared light suffers from low spatial resolution and poor contrast recovery because of highly scattered photon transport. For diffuse optical tomography (DOT) and fluorescence molecular tomography (FMT), the resolution is limited to about 5–10% of the diameter of the tissue being imaged, which puts it in the range of performance seen in nuclear medicine. This paper introduces the mathematical formalism explaining why the resolution of FMT can be significantly improved when using instruments acquiring fast time-domain optical signals. This is achieved through singular-value analysis of the time-gated inverse problem based on weakly diffused photons. Simulations relevant to mouse imaging are presented showing that, in stark contrast to steady-state imaging, early time-gated intensities (within 200 ps or 400 ps) can in principle be used to resolve small fluorescent targets (radii from 1.5 to 2.5 mm) separated by less than 1.5 mm.
登录
查看更多内容
影响因子:
1.6
作者:
Brambilla, Marco;Spinelli, Lorenzo;Cubeddu, Rinaldo
通讯作者:
Cubeddu, Rinaldo
DOI:
10.1109/jstqe.2003.813304
发表时间:
2003-03-01
影响因子:
4.9
作者:
Brooksby, BA;Dehghani, H;Paulsen, KD
通讯作者:
Paulsen, KD
影响因子:
3.6
作者:
Chen, Y;Zheng, G;Chance, B
通讯作者:
Chance, B
影响因子:
3.8
作者:
Lam, S;Lesage, F;Intes, X
通讯作者:
Intes, X
影响因子:
3.8
作者:
Corlu, Alper;Choe, Regine;Yodh, Arjun G.
通讯作者:
Yodh, Arjun G.