Reconstrucción de imágenes y reducción de artefactos de alargamiento para un escáner PET dedicado de doble panel para

Abdollah Saberi Manesh1, Mehdi Amini1, Yazdan Salimi1

  • 1Division of Nuclear Medicine and Molecular Imaging, Geneva University Hospital, Geneva, Switzerland.

Medical physics
|January 27, 2026
PubMed
Resumen

La reconstrucción de imágenes por aprendizaje profundo mejora significativamente los escáneres PET de próstata, mejorando la detección y cuantificación de lesiones para un mejor diagnóstico del cáncer. Este método avanzado mejora la calidad de la imagen en sistemas PET dedicados de ángulo limitado.

Videos de Conceptos Relacionados

Transcription Elongation Factors02:35

Transcription Elongation Factors

Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene.
The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA...
13.8K
Transcription Elongation Factors02:35

Transcription Elongation Factors

4.7K
Wood Panel Products01:18

Wood Panel Products

Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
370
Oxidation-Reduction Reactions03:11

Oxidation-Reduction Reactions

Oxidation–Reduction Reactions
75.5K
Block Diagram Reduction01:22

Block Diagram Reduction

The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
552
Oxymercuration-Reduction of Alkenes02:36

Oxymercuration-Reduction of Alkenes

Oxymercuration–reduction of alkenes is one of the major reactions converting alkenes to alcohols. It involves the hydration of alkenes with mercuric acetate in a mixture of tetrahydrofuran and water, forming an organomercury adduct. This is followed by a demercuration step in which the adduct is reduced to an alcohol using sodium borohydride.
9.3K