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Author:

Zhang, W. (Zhang, W..) | Hu, T. (Hu, T..) | Li, Z. (Li, Z..) | Sun, Z. (Sun, Z..) | Jia, K. (Jia, K..) | Dou, H. (Dou, H..) | Feng, J. (Feng, J..) | Pogue, B.W. (Pogue, B.W..)

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EI Scopus SCIE

Abstract:

As an emerging imaging technique, Cherenkov-excited luminescence scanned tomography (CELST) can recover a high-resolution 3D distribution of quantum emission fields within tissue using X-ray excitation for deep penetrance. However, its reconstruction is an ill-posed and under-conditioned inverse problem because of the diffuse optical emission signal. Deep learning based image reconstruction has shown very good potential for solving these types of problems, however they suffer from a lack of ground-truth image data to confirm when used with experimental data. To overcome this, a self-supervised network cascaded by a 3D reconstruction network and the forward model, termed Selfrec-Net, was proposed to perform CELST reconstruction. Under this framework, the boundary measurements are input to the network to reconstruct the distribution of the quantum field and the predicted measurements are subsequently obtained by feeding the reconstructed result to the forward model. The network was trained by minimizing the loss between the input measurements and the predicted measurements rather than the reconstructed distributions and the corresponding ground truths. Comparative experiments were carried out on both numerical simulations and physical phantoms. For singular luminescent targets, the results demonstrate the effectiveness and robustness of the proposed network, and comparable performance can be attained to a state-of-the-art deep supervised learning algorithm, where the accuracy of the emission yield and localization of the objects was far superior to iterative reconstruction methods. Reconstruction of multiple objects is still reasonable with high localization accuracy, although with limits to the emission yield accuracy as the distribution becomes more complex. Overall though the reconstruction of Selfrec-Net provides a self-supervised way to recover the location and emission yield of molecular distributions in murine model tissues. © 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.

Keyword:

Author Community:

  • [ 1 ] [Zhang W.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Zhang W.]Beijing Laboratory of Advanced Information Networks, Beijing, 100124, China
  • [ 3 ] [Hu T.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Hu T.]Beijing Laboratory of Advanced Information Networks, Beijing, 100124, China
  • [ 5 ] [Li Z.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Li Z.]Beijing Laboratory of Advanced Information Networks, Beijing, 100124, China
  • [ 7 ] [Sun Z.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 8 ] [Sun Z.]Beijing Laboratory of Advanced Information Networks, Beijing, 100124, China
  • [ 9 ] [Jia K.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 10 ] [Jia K.]Beijing Laboratory of Advanced Information Networks, Beijing, 100124, China
  • [ 11 ] [Dou H.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 12 ] [Feng J.]Beijing Key Laboratory of Computational Intelligence and Intelligent System, Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 13 ] [Feng J.]Beijing Laboratory of Advanced Information Networks, Beijing, 100124, China
  • [ 14 ] [Pogue B.W.]Department of Medical Physics, University of Wisconsin-Madison, Madison, 53705, WI, United States

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Source :

Biomedical Optics Express

ISSN: 2156-7085

Year: 2023

Issue: 2

Volume: 14

Page: 783-798

3 . 4 0 0

JCR@2022

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:16

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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