Micromachines, 2022 In the development and optimization of biotechnological cultivation processes the continuous monitoring through the acquisition and interpretation of spectral and morphological properties of bioparticles are challenging. There is therefore a need for the
Paul-Gerald Dittrich +4 more
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Validation of the influence of CT slice thickness on the quantitative accuracy and image quality of single photon emission computed tomography [PDF]
Asia Oceania Journal of Nuclear Medicine and Biology, 2021 Objective(s): Computed tomography (CT) images are used for precise anatomical location of lesions and for accurate attenuation correction in single-photon emission computed tomography (SPECT) image reconstruction in SPECT/CT examination.
Tomohiro Sato, Takashi Takagi
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A more effective CT synthesizer using transformers for cone-beam CT-guided adaptive radiotherapy
Frontiers in Oncology, 2022 PurposeThe challenge of cone-beam computed tomography (CBCT) is its low image quality, which limits its application for adaptive radiotherapy (ART). Despite recent substantial improvement in CBCT imaging using the deep learning method, the image quality ...
Xinyuan Chen +10 more
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Evaluation of the quality of an image encrytion scheme [PDF]
, 2019 Encryption systems have been developed for image viewing applications using the Hill Cipher algorithm. This study aims to evaluate the image encryption quality of the Hill Cipher algorithm.
Noma-Osaghae, Etinosa; Covenant University Ota +5 more
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Predicting image quality using a modular image difference model [PDF]
, 2008 The paper is focused on the implementation of a modular color image difference model, as described in [1], with aim to predict visual magnitudes between pairs of uncompressed images and images compressed using lossy JPEG and JPEG 2000.
Triantaphillidou, S. +2 more
core +1 more source
Image quality loss and compensation for visually impaired observers [PDF]
, 2018 The measurement and modeling of image quality are aimed to assist the design and optimization of systems, typically built for ‘normal’ observer vision. But in reality image viewers rarely have perfect vision. There have been few attempts and no universal
Fry, E. +7 more
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Assessment of Image Quality and Lesion Detectability With Digital PET/CT System
Frontiers in Medicine, 2021 Purpose: The aim of this study was to assess image quality and lesion detectability acquired with a digital Positron Emission Tomography/Computed Tomography (PET/CT) Siemens Biograph Vision 600 system.Material and Methods: Consecutive patients who ...
Olivier Delcroix +19 more
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Image analysis and statistical modelling for measurement and quality assessment of ornamental horticulture crops in glasshouses [PDF]
, 2009 Image analysis for ornamental crops is discussed with examples from the bedding plant industry. Feed-forward artificial neural networks are used to segment top and side view images of three contrasting species of bedding plants.
Parsons, Nicholas R. +2 more
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Phantom Study on the Influence of CT Model and Tube Voltage on Image Quality
CT Lilun yu yingyong yanjiu, 2022 Objective: To compare the image quality between two CT scanners under two different tube voltages using a dedicated phantom. Materials and Methods: Siemens SOMATOM Force CT and Phillips Spectral IQon CT were used for scanning and the dedicated Assurance ...
Shu FANG +5 more
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Image Quality Evaluation in Lossy Compressed Images [PDF]
, 2017 This research focuses on the quantification of image quality in lossy compressed images, exploring the impact of digital artefacts and scene characteristics upon image quality evaluation.
Allen, E.
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