Results 201 to 210 of about 2,159,265 (282)

A Fast Nonlinear Sparse Model for Blind Image Deblurring. [PDF]

J Imaging
Zhang Z, Guo Z, Xu Z, Chen H, Wang C, Song Y, Lai J, Ji Y, Li Z.   +8 more
europepmc   +1 more source

Task‐based detectability and angular‐sampling bounds on spatial resolution in cone‐beam micro‐CT: a closed‐form scan‐design analysis

Medical Physics, Volume 53, Issue 11, November 2026.
Abstract Background Spatial resolution in preclinical cone‐beam micro‐CT is conventionally characterised by image‐domain metrics measured on a specific reconstruction of a specific phantom. Such metrics conflate resolution loss originating in the data (photon noise, angular undersampling) with resolution loss originating in the reconstruction ...
Falk L. Wiegmann, Nancy L. Ford
wiley   +1 more source

Impact of depth-of-interaction and spatially-variant point-spread-function model on the performance of ultra-high resolution brain PET. [PDF]

Phys Med Biol
Zeng T, Najmaoui Y, Zhang J, Volpi T, Fontaine K, Chemli Y, Hu Y, Gallezot JD, Sun C, Lu Y, El Fakhri G, Carson RE, Marin T.   +12 more
europepmc   +1 more source

Model‐based image restoration targeting higher‐dose digital mammography: Impact on radiologists' detection of clustered microcalcifications

Medical Physics, Volume 53, Issue 11, November 2026.
Abstract Background Image noise in digital mammography (DM) can obscure image details and reduce the detectability of clinically relevant findings such as microcalcifications. Purpose To present and evaluate an extended model‐based (MB) image restoration pipeline for DM that incorporates quantum, electronic, and structural noise components, as well as ...
Renann F. Brandão, Lucas R. Borges, Silvia M. P. S. Sabino, Renato F. Caron, Alessandro Foi, Predrag R. Bakic, Anders Tingberg, Marcelo A. C. Vieira   +7 more
wiley   +1 more source

MicroDeblurNet: high-fidelity restoration of spatially variant defocus in microscopic images for cucumber downy mildew. [PDF]

Plant Methods
Zhang Y, Wang B, Song Y, Han Z, Zhang X, Zhang L.   +5 more
europepmc   +1 more source

A Novel Search Approach for Blur Kernel Estimation of Defocused Image Restoration

IEICE Transactions on Information and Systems, 2013
AHN, Sangwoo, CHONG, Jongwha
openaire   +2 more sources

Evaluating Perfusion Quantification for Phase‐Resolved Functional Lung MRI Using Gaussian Filtering

NMR in Biomedicine, Volume 39, Issue 11, November 2026.
Current PREFUL perfusion quantification uses a slice‐wise median for the maximal blood exchange fraction ΔS, limiting regional information. Gaussian filtering (σ = 1.5) ΔS in perfusion calculation adds regional information and improves intrascan and interscan repeatability while preserving global and voxel‐wise correlations with DCE‐derived pulmonary ...
Kirsten J. Schmidt, Andreas Voskrebenzev, Julian M. W. Glandorf, Marius M. Klein, Lea Behrendt, Frank Wacker, Jens Vogel‐Claussen, Filip Klimeš   +7 more
wiley   +1 more source

RulerNet: Learning perspective-invariant ruler representations for robust image scale estimation. [PDF]

Comput Med Imaging Graph
Pan Y, Mehta M, Sincerbeaux G, Goldstein JA, Gernand AD, Wang JZ.   +5 more
europepmc   +1 more source

3dcon: tomogram denoising by deconvolution

Acta Crystallographica Section D, Volume 82, Issue 11, Page 1240-1250, November 2026.
An open‐source entropy‐regularized deconvolution workflow is presented for denoising tomographic reconstructions from cryo‐electron microscopy.Cryo‐electron tomography is an expanding technology for the study of macromolecules, viruses and cells.
Peter Kirchweger, Lev Melnikovsky, Shahar Seifer, Michael Elbaum   +3 more
wiley   +1 more source

Image Deblurring via Frequency-Domain Feature Enhanced Convolutional Neural Networks. [PDF]

Sensors (Basel)
Guo Y, Ma L, Zhang Y.
europepmc   +1 more source