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Comparison between a dual-time-window protocol and other simplified protocols for dynamic total-body 18F-FDG PET imaging
2022
EJNMMI Physics
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The whole-body Ki and K1 images generated by the DTW protocol were consistent with the reference parametric images. ...
The visual performance of parametric images and region of interest-based quantification in several parameters were evaluated. ...
S5
Fig. 5 5 Fig. 5 Distribution of the percentage bias in K i (a) and K 1 (b) derived from the DTW protocol
Fig. 6 6 Fig. 6 Whole-body parametric images from a dynamic scan: (a) K i images generated ...
doi:10.1186/s40658-022-00492-w
pmid:36104580
pmcid:PMC9474964
fatcat:ch5lzkhbrbfknggtsj26rshccq
Registration of visible and infrared images
1993
Architecture, Hardware, and Forward-Looking Infrared Issues in Automatic Target Recognition
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This paper presents an approach for registering images obtained from sensors tuned to significantly different regions of the electromagnetic spectrum. ...
We present an approach which uses surface boundaries ( obtained at multiple scales via an edge extraction process) to determine the affine transformation required to bring the images into registration. ...
Top: Edges from the visible image. Middle: Edge from the FUR image. ...
doi:10.1117/12.161433
fatcat:kcp4t3ou2nc6ria2fgmravru4q
ENCODED STRUCTURES: CONSTRAINT-BASED DESIGN OF MODULAR BEAMS / CODIERTE STRUKTUREN: CONSTRAINT-BASIERTE KONSTRUKTION MODULARER ELEMENTE
[chapter]
2021
Conceptual Joining
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'Making geometry' has expanded from a drawing-or modeling-based approach towards a generative one (Fig. 1 ). ...
Parametric modelling and advances in computeraided design have prompted a modified understanding of what geometry creation can be. ...
Applying vertical pulling forces to all lines -while anchoring some points to the floor -results in an upside-down catenary geometry that emerges from the form generation (Fig. 6 ). ...
doi:10.1515/9783035624373-015
fatcat:nm25aia7y5dtnlve443jynerbi
Segmentation of Heterochromatin Foci Using a 3D Spherical Harmonics Intensity Model
[chapter]
2013
Bildverarbeitung für die Medizin 2013
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We introduce a 3D model-based approach for automatic segmentation of 3D fluorescent heterochromatin foci from 3D microscopy images. ...
The approach employs a new 3D parametric intensity model based on a spherical harmonics (SH) expansion and can represent foci of regular and highly irregular shapes. ...
In this work, we propose an automatic approach for 3D model-based segmentation of fluorescent foci from heterochromatin microscopy images. ...
doi:10.1007/978-3-642-36480-8_54
dblp:conf/bildmed/EckWBMRR13
fatcat:uycgydy2ije2pllr6lsbusmaj4
Binary Segmentation Masks for Registration of Bone Structures in CT Images
[chapter]
2009
Bildverarbeitung für die Medizin 2009
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Rigid registration of bone structures in stacks of CT images can be improved by using a binary segmentation mask for the registration compared to using the segmented grey values directly. ...
The significance of the difference of the two registrations reg1 and reg2 was verified using a one-side Wilcoxon test, which is a non-parametric test (parametric tests are not suitable for these quality ...
Of course this procedure requires an adequate segmentation technique. ...
doi:10.1007/978-3-540-93860-6_23
dblp:conf/bildmed/MuseykoEHZKE09
fatcat:6sa5w43htbgmhechif5qnbhrzq
Myocardial Twist from X-ray Angiography
[chapter]
2018
Bildverarbeitung für die Medizin 2018
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Our method is based on an ellipsoidal parametric model initially developed for functional analysis of cardiac tagged MRI. ...
We present preliminary evidence that left ventricular twist can be observed and thus estimated from rotational coronary angiography. ...
We used an ellipsoidal parametric model initially developed for cardiac tagged MRI to estimate the LV surface based on coronary artery centerlines. ...
doi:10.1007/978-3-662-56537-7_91
dblp:conf/bildmed/GeimerUHAM18
fatcat:lcj67zsk6reorla4z63bzzhqha
Model-Based Segmentation and Colocalization Quantification in 3D Microscopy Images
2010
Bildverarbeitung für die Medizin
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The approach is based on different 3D parametric intensity models in conjunction with a model fitting scheme to quantify subcellular structures with high accuracy. ...
We introduce a new model-based approach for automatic quantification of colocalizations in 3D microscopy images. ...
We define a colocalization as an (partial) overlap of two (or more) structures from different channels. ...
dblp:conf/bildmed/WorzSPRJMBLR10
fatcat:n27qv2h7szgexkfess7b5zkbay
Vascular Dynamics of Cerebral Gliomas Investigated with Selective Catheter Angiography, Perfusion CT and MRI
2008
Klinische Neuroradiologie
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Der Asymmetrieindex für MTT (MRT: -4,7 ± ...
Regionenbasierte Asymmetrieindizes wurden für die CT-und MR-Perfusion, für ICT und VAT berechnet und verglichen. ...
Such hemodynamic changes can be evaluated either by DSA or by parametric perfusion imaging techniques [24] [25] [26] . ...
doi:10.1007/s00062-008-8011-y
fatcat:norl4nio6ra6rhgaj2fhrfhlb4
Brain Type 1 Cannabinoid Receptor Availability in Patients with Anorexia and Bulimia Nervosa
2011
Biological Psychiatry
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Statistical parametric mapping (p family-wise error Ͻ .05) and volume-of-interest analyses of CB1R availability were performed. ...
Conclusions: Global CB1R upregulation in AN patients is a possible long-term compensatory mechanism to an underactive endocannabinoid system in anorectic conditions. ...
Figure 2 . 2 (A) Mean parametric images of global [ 18 F]MK-9470 binding in the anorexia nervosa (AN), bulimia nervosa (BN), and control group (CON). ...
doi:10.1016/j.biopsych.2011.05.010
pmid:21718968
fatcat:d4zn42kd6rbu3ooc4cjf4fupha
An efficient representation of complex materials for real-time rendering
2004
Proceedings of the ACM symposium on Virtual reality software and technology - VRST '04
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In this paper, we propose an appearance representation for general complex materials which can be applied in real-time rendering framework. ...
The difference between the real data and the parametric shading is directly fitted by a specific function for easy reconstruction. ...
This work was partially supported by grants from National Science Council, Taiwan, R.O.C. under NSC91-2213-E-002-066 and Silicon Integrated Systems (SiS) Education Foundation. ...
doi:10.1145/1077534.1077563
dblp:conf/vrst/MaCCCON04
fatcat:lyafjhhwavc3fa7ech3q7opzu4
Page 695 of Cellular and Molecular Life Sciences Vol. 51, Issue 7
[page]
1995
Cellular and Molecular Life Sciences
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By subtracting the MIBI image from the reference, one results in an image of the isolated, now hot nodule (bottom, left), strictly separated from the functioning thyroid tissue (right). ...
Reviews
Inselspital Bern Abteilung fur Nuklearmedizin der Universitatsklinik Bem Teleton 031 64 24 54
Befundbericht:
Name Gr Luise
Geb. ...
A parameterized digital 3D model of the Rhesus macaque face for investigating the visual processing of social cues
2019
Journal of Neuroscience Methods
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By releasing an open-access image repository containing the first standardized macaque face stimulus set with parametric variation of visual features, we hope to provide a common currency to facilitate ...
Texture and appearance-Images for use as UV textures (RGB colour images), surface normal, and displacement maps were manually created for the eyes, skin, and fur based on reference images of real Rhesus ...
doi:10.1016/j.jneumeth.2019.06.001
pmid:31229584
pmcid:PMC7446874
fatcat:dusr6uwfnvadtnp2z3xqf64f6a
Biomorphic Clothing Sculpture Interface as an Emotional Communication Space
2020
Frontiers in Psychology
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This study found that clothing, combined with digital technology, can be a wearable computer that adapts to environmental change and increases biological limits, as well as an emotional space to which ...
As the human body and buildings are 3D forms, the parametric design method used frequently in architecture is implemented here and used as a tool to explore attributes and representations of 3D modeling ...
In File, the user can load an image file or save a created image. The user can perform basic tasks with the loaded image such as selecting, enlarging, and reducing it in the toolbox B or Edit tab. ...
doi:10.3389/fpsyg.2020.00117
pmid:32116923
pmcid:PMC7018805
fatcat:ge7w4y4dtnbo7pqz2plta5tegy
Comparison of Simplified Parametric Methods for Visual Interpretation of 11C-Pittsburgh Compound-B PET Images
2014
Journal of Nuclear Medicine
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This study compared several parametric imaging methods to determine the optimal approach for visual assessment of parametric Pittsburgh compound-B ( 11 C-PIB) PET images to detect cortical amyloid deposition ...
Parametric nondisplaceable binding potential (BP ND ) images were compared with standardized uptake value (SUV) and SUV ratio images. ...
Example of visual interreader disagreement about different parametric 11 C-PIB images. From left to right are shown axial, coronal, and sagittal views. ...
doi:10.2967/jnumed.114.139121
pmid:24898026
fatcat:z57d4x6lcng27oqj6urt2amcpq
Rendering fur directly into images
2010
Computers & graphics
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We add fur to objects depicted in images by first estimating depth and lighting information and then re-rendering the resulting 2.5D geometry with fur. ...
We demonstrate the feasibility of rendering fur directly into existing images, without the need to either painstakingly paint over all pixels, or to supply 3D geometry and lighting. ...
This is the classic shape-from-shading problem, which is normally formulated to enable recovery of 3D shape from an image and potentially allow re-rendering of that shape from a different viewpoint. ...
doi:10.1016/j.cag.2010.06.004
fatcat:ycfsoowk6nh2hozg7lu6livlui
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