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An automatic framework for evaluating the vascular permeability of bone metastases from prostate cancer

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (12)

Objectives. Vascular permeability can reflect tumorigenesis and metastasis. Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) can assess ......

CrossModalNet: exploiting quality preoperative images for multimodal image registration

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (17)

A long-standing problem in image-guided radiotherapy is that inferior intraoperative images present a difficult problem for automatic registration alg......

Image quality guided iterative reconstruction for low-dose CT based on CT image statistics

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (18)

Iterative reconstruction frameworks show predominance in low dose and incomplete data situations. In the iterative reconstruction framework, there are......

Sparse-domain regularized stripe decomposition combined with guided-image filtering for ring artifact removal in propagation-based x-ray phase-contrast CT

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (10)

Propagation-based x-ray phase-contrast computed tomography (PB-PCCT) images often suffer from severe ring artifacts. Ring artifacts are mainly caused ......

Design study of a PET detector with 0.5 mm crystal pitch for high-resolution preclinical imaging

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (13)

Preclinical positron emission tomography (PET) is a sensitive and quantitative molecule imaging modality widely used in characterizing the biological ......

Ordered multi-path propagation for vessel centerline extraction

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (15)

Vessel centerline extraction from x-ray angiography images is essential for vessel structure analysis in the diagnosis of coronary artery disease. How......

Investigation of the effect of acquisition schemes on time-resolved magnetic resonance fingerprinting

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (9)

Purpose. This study aims to investigate the feasibility of different acquisition methods for time-resolved magnetic resonance fingerprinting (TR-MRF) ......

Improved low-dose positron emission tomography image reconstruction using deep learned prior

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (11)

Positron emission tomography (PET) is a promising medical imaging technology that provides non-invasive and quantitative measurement of biochemical pr......

Learning non-local perfusion textures for high-quality computed tomography perfusion imaging

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (11)

Background. Computed tomography perfusion (CTP) imaging plays a critical role in the acute stroke syndrome assessment due to its widespread availabili......

SDDRO-joint: simultaneous dose and dose rate optimization with the joint use of transmission beams and Bragg peaks for FLASH proton therapy

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (12)

Cancer radiotherapy (RT) with the irradiation at ultra-high dose rates, namely FLASH-RT, can substantially reduce radiation-induced normal tissue toxi......

Iterative material decomposition for spectral CT using self-supervised Noise2Noise prior

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (15)

Compared to conventional computed tomography (CT), spectral CT can provide the capability of material decomposition, which can be used in many clinica......

Deep neural network-based approach to improving radiomics analysis reproducibility in liver cancer: effect on image resampling

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (16)

Objectives. To test the effect of traditional up-sampling slice thickness (ST) methods on the reproducibility of CT radiomics features of liver tumors......

Deep learning-based image reconstruction for TOF PET with DIRECT data partitioning format

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (16)

Conventional positron emission tomography (PET) image reconstruction is achieved by the statistical iterative method. Deep learning provides another o......

An atlas-guided automatic planning approach for rectal cancer intensity-modulated radiotherapy

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (15)

We try to develop an atlas-guided automatic planning (AGAP) approach and evaluate its feasibility and performance in rectal cancer intensity-modulated......

Modeling of cellular response after FLASH irradiation: a quantitative analysis based on the radiolytic oxygen depletion hypothesis

期刊: PHYSICS IN MEDICINE AND BIOLOGY, 2021; 66 (18)

Purpose. Recent studies suggest ultra-high dose rate (FLASH) irradiation can spare normal tissues from radiotoxicity, while efficiently controlling th......

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