Results 71 to 80 of about 12,292,225 (304)

Filtering in SPECT Image Reconstruction [PDF]

open access: yesInternational Journal of Biomedical Imaging, 2011
Single photon emission computed tomography (SPECT) imaging is widely implemented in nuclear medicine as its clinical role in the diagnosis and management of several diseases is, many times, very helpful (e.g., myocardium perfusion imaging). The quality of SPECT images are degraded by several factors such as noise because of the limited number of counts,
Maria Lyra, Agapi Ploussi
openaire   +5 more sources

A novel quinazolinone insulin receptor inhibitor and its synergy with an EGFR inhibitor in glucose‐driven glioblastoma

open access: yesMolecular Oncology, EarlyView.
The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka   +9 more
wiley   +1 more source

Image registration algorithm for molecular tagging velocimetry applied to unsteady flow in Hele-Shaw cell [PDF]

open access: yes, 2013
In order to develop velocimetry methods for confined geometries, we propose to combine image registration and volumetric reconstruction from a monocular video of the draining of a Hele-Shaw cell filled with water.
Brunet, Florent   +5 more
core   +1 more source

Light field image compression and reconstruction method based on three-branch interaction

open access: yes上海师范大学学报. 自然科学版
Traditional light field image compression methods fail to fully utilize the spatial, angular, and geometric structure information of light field images, resulting in limited image reconstruction quality and compression efficiency.
FAN Bofei   +4 more
doaj   +1 more source

Epigenetic heterogeneity and plasticity in therapy‐induced tumor states through single‐cell multi‐omics

open access: yesMolecular Oncology, EarlyView.
Single‐cell multi‐omics reveals epigenetic heterogeneity across therapy‐adaptive tumor states, including quiescent/dormant, drug‐tolerant persister, and EMT‐like phenotypes. By linking regulatory features with state‐associated biomarkers, these approaches inform biomarker‐guided therapeutic strategies for evolving tumors.
Hee Jung Kim   +3 more
wiley   +1 more source

Linear image reconstruction by Sobolev norms on the bounded domain [PDF]

open access: yes, 2007
The reconstruction problem is usually formulated as a variational problem in which one searches for that image that minimizes a so called prior (image model) while insisting on certain image features to be preserved.
Haar Romenij, ter, B.M.   +5 more
core   +1 more source

Single‐cell DNA methylation profiling: Technologies, computation, and applications in precision oncology

open access: yesMolecular Oncology, EarlyView.
Single‐cell DNA methylation (scDNAme) profiling maps epimutational clonal evolution, revealing mechanisms of malignancy and therapeutic resistance across diverse cancer types. By providing a high‐resolution landscape of intratumoral heterogeneity, these technologies empower precise patient stratification, guide the development of enhanced ...
Ik Soo Kim
wiley   +1 more source

Image Super-Resolution Reconstruction Network Based on Structural Reparameterization and Feature Reuse

open access: yesSensors
In the task of integrated circuit micrograph acquisition, image super-resolution reconstruction technology can significantly enhance acquisition efficiency.
Tianyu Li   +3 more
doaj   +1 more source

Iterative CT reconstruction in abdominal low-dose CT used for hybrid SPECT-CT applications: effect on image quality, image noise, detectability, and reader’s confidence

open access: yesActa Radiologica Open, 2019
Background Iterative computed tomography (CT) image reconstruction shows high potential for the preservation of image quality in diagnostic CT while reducing patients’ exposure; it has become available for low-dose CT (LD-CT) in high-end hybrid imaging ...
Oliver S Grosser   +11 more
doaj   +1 more source

Image Reconstruction Algorithm Based on Spectral Projected Gradient Pursuit for Electrical Capacitance Tomography

open access: yesJournal of Harbin University of Science and Technology, 2018
Accuracy and speed are important indicators to detect the image reconstruction algorithm for electrical capacitance tomography. In recent years,although many image reconstruction algorithms have been studied,they can not achieve desired results.
WANG Li-li   +3 more
doaj   +1 more source

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