Summary:  of the radioiodine with the unregularized 3D OSEM reconstruction. Figure 3. One slice of the patient image set. Body... on relative background concentration by 37% compared to the 1D SAGE. With unregularized multi-plane (3D) ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  are in progress. The 3D OSEM employed attenuation correction based on a map from registered CT, and utilized... Engineering and Computer Science, Ann Arbor, MI. Objectives: Evaluate unregulaized OSEM reconstruction... and a Picker Prism camera, images were acquired for: 1) a point source ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  with rotating slat collimators 17 for a fully 3D OSEM reconstruction or about 8 hours when using a split matrix... to the split matrix OSEM and the fully 3D OSEM respectively. A contrast to noise study based on simulated data... . From these three ...

Source: Van Holen, Roel - Electronics and Information Systems Department, Universiteit Gent

Collection: Engineering ; Biology and Medicine

Summary:  reconstruction with 3D-OSEM and with FORE+OSEM for PET," IEEE Trans. Med. Imag., vol. 20, no. 8, pp. 804-814, Aug... , is commonly used for clinical PET image reconstruction. 2D ML-OS-EM has also been used in conjunction... , but doing so risks biasing the data, and ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  were initialized with two iterations of 3D OSEM. We define the normalized objective function as: ((x... , relaxed OSSPS, ERIOT and PCG following initialization with two iterations of 3D OSEM. All methods other... +ERIOT+PCG following initialization with two iterations ...

Source: Leahy, Richard M. - Departments of Radiology & Biomedical Engineering, University of Southern California

Collection: Biology and Medicine

Summary:  with the 3D OSEM and 3DRP methods. All the data were acquired with the ECAT HR+ high resolution tomograph... this single example, particularly since no pathology is present. #12;3D MAP 3D OSEM 3DRP -200 -150 -100 -50 0... 50 100 150 200 0 1 2 3 4 5 6 7 offset (mm) ...

Source: Leahy, Richard M. - Departments of Radiology & Biomedical Engineering, University of Southern California

Collection: Biology and Medicine

Summary:  ., ``Performance characteristics of the 3-D OSEM algo- rithm in the reconstruction of small animal PET images... in the reconstructed images is not always maintained. In this paper, we propose alternative scanning protocols... reducing the x-ray ...

Source: Virginia Tech - Wake Forest University School of Biomedical Engineering and Sciences, Biomedical Imaging Division

Collection: Engineering ; Biology and Medicine

Summary:  reconstruction with 3D-OSEM and with FORE+OSEM for PET IEEE Trans. Med. Imaging 20 804­14 Mumcuoglu E U, Leahy R... 3D OSEM in a distributed Windows NT environment. A Beowulf cluster is simply a network... ­2795 PII: S0031-9155(02)37839-4 ...

Source: Grzywacz, Norberto - Center for Vision Science and Technology, University of Southern California; Leahy, Richard M. - Departments of Radiology & Biomedical Engineering, University of Southern California

Collection: Biology and Medicine

Summary:  +NECOSEM and NEC Based Fully 3-D OSEM for 3-D Whole-Body PET Imaging. IEEE Transactions on Nuclear Science. 53... -Dimensional Image Reconstruction in Radiology and Nuclear Medicine 1998-2001 Elected Member of IEEE Nuclear Medicine... and Karp JS: Figures of Merit for ...

Source: Washington at Seattle, University of - Department of Electrical Engineering, Interactive System Design Laboratory

Collection: Engineering

Summary:  120 s, and 8 300 s). Images were reconstructed by 3D OSEM (11). No correction was made for attenuation... of the 3-D OSEM algorithm in the reconstruction of small animal PET images: ...

Source: Smith, Carolyn Beebe - Section on Neuroadaptation and Protein Metabolism, National Institute of Mental Health

Collection: Biology and Medicine

Summary:  with 15 subsets. OSEM-3D OSEM-1D EM restoration in spatial domain EM restoration in frequency domain... . Koral, A. Yendiki, Q. Lin, and Y. K. Dewaraja, "Comparison of 3D OSEM vs 1D SAGE for focal total... - lated to image ...

Source: Noll, Dominikus - Institut de Mathématiques de Toulouse, Université Paul Sabatier

Collection: Engineering ; Mathematics

Summary:  . Kinahan, M. Defrise, and D. Townsend, "Comparison of 3-D reconstruction with 3-D-OSEM and with FORE... planes through the volume image, . It should be stressed that . In traditional iterative reconstructions... the true image and the ...

Source: Bouman, Charles A.- School of Electrical and Computer Engineering, Purdue University

Collection: Engineering

Summary:  · Consulted for GEMS/PET for 2D and 3D OSEM implementation. #12;X-ray CT Data Collection DetectorBins Photon... Statistical methods for X-ray CT image reconstruction Jeffrey A. Fessler EECS Department BME... /Lab · Statistical image ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  ) and the number of iterations. All results below use the image from 2 iterations of 3D OSEM with 6 subsets... for use in iterative fully 3D image reconstruction. The fast projector pair is used as part of a factored... reconstruction. The ...

Source: Leahy, Richard M. - Departments of Radiology & Biomedical Engineering, University of Southern California

Collection: Biology and Medicine

Summary:  were scanned for 180 minutes. Data were collected in list mode and reconstructed using 3-D OSEM... injection. Data were collected in list mode and dynamically reconstructed using 3-D OSEM-MAP (2 OSEM... contrast. Keywords: ...

Source: Bjaalie, Jan G. - Anatomisk institutt, Universitetet i Oslo

Collection: Biology and Medicine

Summary:  ) in which a 3D single scatter simulation (SSS) is alternatively performed with a 3D OSEM reconstruction... -view plots are presented in figure 5(a). The reconstruction images using the GATE scatter and the proposed... -corrected reconstruction ...

Source: Ye, Jong Chul -Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology

Collection: Engineering ; Biology and Medicine

Summary:  of [11 C]6-OH-BTA-1. PET data were reconstructed with 3D OSEM. On the coronal PET image, irregular... V) [21]. PET images were reconstructed with a 3D ordered subset expectation maximization (OSEM) algorithm... at the center [21]. The ...

Source: Pike, Victor W. - Molecular Imaging Branch, National Institute of Mental Health

Collection: Biology and Medicine

Summary:  ANALYSIS OF SIGNAL DETECTABILITY IN STATISTICALLY RECONSTRUCTED TOMOGRAPHIC IMAGES by Anastasia... . . . . . . . . . . . . . . . . . . . . 26 2.3 Detection of Signals in Reconstructed Images . . . . . . . . . . . . . . . . . . . . 27 2... . . . . . . . . . . . . . . . . . . . . 43 2.3.10 ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  Fast Regularization Design for Tomographic Image Reconstruction for Uniform and Isotropic Spatial... . . . . . . . . . . . . . . . . . . . . . . . . 51 5.5 Profiles around the right-most ring from each reconstructed image... . . . . . . . . . . . . . . 52 5.6 Profiles around the left-most ring from each ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  Statistical Methods for Image Reconstruction Jeffrey A. Fessler EECS Department The University... prepared by Jeff Fessler for attendees of the NSS-MIC short course on statistical image reconstruction... ]. For broad coverage of image science, see [2]. For further references on ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  expectation maximization followed by a maximum a posteriori algorithm (3D OSEM-MAP). Dose escalation... . The objective of this study was to evaluate the potential of targeting CD138 by immuno- PET imaging... -B4 was evaluated in vivo by immuno-PET imaging using the 124 I-B-B4 mAb. The ...

Source: Paris-Sud XI, Université de - Institut d'Optique, Laboratoire Charles-Fabry, Groupe d'Optique Atomique

Collection: Physics

Summary:  ,given a composite image C (see images above). x + x= a (1- a)FC B Given Unknown Unknown Unknown ?The reconstructed... in the reconstructed foreground and background images corrupt amattes. This can lead to unpleasant artifacts in the new... composite image. ...

Source: Narasayya, Vivek - Data Management, Exploration and Mining Group, Microsoft Research

Collection: Computer Technologies and Information Sciences

Summary:  Image Quality in MAP SPECT Reconstructions A Dissertation Presented by Santosh Kulkarni... Bayesian reconstruction algorithm is used to es- timate the patient image. The reconstruction algorithm... . These investigations are useful in potentially comparing and optimizing both ...

Source: SUNY at Stony Brook, Departments of Radiology and Electrical Engineering, Medical Image Processing Lab.

Collection: Biology and Medicine

Summary:  on signal and noise characteristics, image quality and image reconstruction algorithms will also be covered... of image quality, image reconstruction, and image analysis in biomedical imaging fields. Recommended... ...

Source: Chen, Ying "Ada" - Department of Electrical and Computer Engineering, Southern Illinois University

Collection: Engineering

Summary:  will also focus on concept and application of image quality, image reconstruction, and image processing... . Understand the concepts of image quality, signal and noise, image processing, and image reconstruction. 4... . Use a ...

Source: Chen, Ying "Ada" - Department of Electrical and Computer Engineering, Southern Illinois University

Collection: Engineering

Summary:  Reconstruction: Three Data Sets 1. Amateur images found on the Internet - no information available 3. High... of acquisition Found ca. 15 images: 4 selected for reconstruction · Interior orientation: - Pixel size assumed... images - Image matching and surface ...

Source: Eidgenössische Technische Hochschule Zürich (ETHZ), Institute of Geodesy and Photogrammetry, Photogrammetry and Remote Sensing Group

Collection: Geosciences

Summary:  increasing from 30 s to 5 min. Images were reconstructed using a list mode 3D-OSEM algo- rithm,50 resulting... efficiency. Images were reconstructed with a 3D ordered-subset expectation maximization algorithm into 17... and Evaluation of [N-methyl- 11 ...

Source: McMahon, Francis - Genetic Basis of Mood and Anxiety Disorders, National Institute of Mental Health; Pike, Victor W. - Molecular Imaging Branch, National Institute of Mental Health

Collection: Biology and Medicine

Summary:  Characteristics of Proton CT Images Reconstructed with Filtered Backprojection and Iterative... (pCT), images were reconstructed with the fast and robust filtered backprojection (FBP) algorithm... a reconstruction method that attempts to optimize both spatial and density resolution of pCT ...

Source: Censor, Yair - Department of Mathematics, University of Haifa

Collection: Mathematics

Summary:  Convergent Algorithms for Statistical Image Reconstruction in Emission Tomography by Sangtae Ahn... . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3. Statistical Image Reconstruction Methods for Tomography . . . . . . . . . . . . . . . . 15 3... . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  2D Image Reconstruction and Zooming with Simultaneous Edge Preservation and Blur Christopher Hazard... of reconstructing two- dimensional images at varying spatial resolutions while preserving edge information... regions to blur in the reconstructed image. This allows ...

Source: Crawfis, Roger - Department of Computer Science and Engineering, Ohio State University

Collection: Computer Technologies and Information Sciences

Summary:  Cremers & Thomas Pock Convex Relaxation & Multiview Reconstruction Noisy input image Denoised image Rudin... Blurred image 3Daniel Cremers & Thomas Pock Convex Relaxation & Multiview Reconstruction Lions, Osher, Rudin... & Multiview Reconstruction ...

Source: Cremers, Daniel - Institut für Informatik, Technische Universität München

Collection: Engineering ; Computer Technologies and Information Sciences

Summary:  And Reconstruction in Optics #12;Motivation Methods Applications Summary Quantum Cloner Image processing Quantum... Measurement And Reconstruction in Optics #12;Motivation Methods Applications Summary Quantum Cloner Image... processing Image processing, CONT. ...

Source: Jezek, Miroslav - Department of Optics, Palacký University

Collection: Physics

Summary:  includes a difficult term of the form Image of Occluded Shape Reconstructed Boundary where kC denotes... to reconstruct boundaries of occluded regions in images, as illustrated in the simple examples on the right... on the right. Image of Occluded Shape Reconstructed ...

Source: Esedoglu, Selim - Department of Mathematics, University of Michigan

Collection: Mathematics

Summary:  Undesired Light in a Reconstructed Hologram Image Caused by the Nonlinearity of the Photographic... object points, the nonlinearity of the photographic process causes reconstructed images in addition... to both the desired reconstructed image and the higher order ...

Source: Wyant, James C. - College of Optical Sciences, University of Arizona

Collection: Engineering ; Physics

Summary:  ++ on PC for iterative image reconstruction Xiang Lia, , Ming Jiangc and Ge Wanga,b a... . With the development of computing technology, there is an increasing interest in iterative CT image reconstruction... four representative iterative image reconstruction ...

Source: Virginia Tech - Wake Forest University School of Biomedical Engineering and Sciences, Biomedical Imaging Division

Collection: Engineering ; Biology and Medicine

Summary:  Multiple-View Scene Reconstruction and Image Based Rendering An Introduction Javier Cruz, Michel... Polytechnique Fédérale de Lausanne Multiple-View Scene Reconstruction and Image Based Rendering ­ p. #12... -View Scene Reconstruction and Image Based Rendering ­ p. ...

Source: Bierlaire, Michel - Transport and Mobility Laboratory & School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne

Collection: Engineering ; Energy Storage, Conversion and Utilization

Summary:  -space for each orientation and reconstructing each image direction separately. The methods achieved accelerations... dimensions and is applied to reconstructing dynamic cardiac perfusion images [4] from sparse data. A similar... and fiber orientations. When full data for each image ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  of image similarity in conjunction with finite element models to reconstruct elasticity distributions... Independent Elastography (MIE) method. To test this approach, an idealized image reconstruction simulation... was performed. Results & Discussion In Figure 1, an idealized simulation and ...

Source: Miga, Michael I. - Department of Biomedical Engineering, Vanderbilt University

Collection: Biology and Medicine

Summary:  of the original images into subimages introduces blocking artifacts into the MBR reconstructed images. Study... of the error signal leads one to many constraints which can be used to better reconstruct the images... substitutes for the actual norm in the images ...

Source: Beex, A. A. "Louis" - Department of Electrical and Computer Engineering, Virginia Tech

Collection: Engineering

Summary:  1 Image-Based Photometric Reconstruction for Mixed Reality Advanced Interfaces Group, Department... Lighting data Photorealistic synthetic images #12;3 So what is photometric reconstruction? Geometric data... 2. Reconstruct geometry from images 3. ...

Source: Manchester, University of - School of Computer Science, Advanced Interfaces Group

Collection: Computer Technologies and Information Sciences

Summary:  -time reconstruction approaches can mitigate image artifacts due to het- erogeneous acoustic properties of an object... . Reconstructed images and numerical results produced from simulated and experimental TAT measurement data... are employed to demonstrate these effects. Index ...

Source: Wang, Lihong - Department of Biomedical Engineering, Washington University in St. Louis

Collection: Engineering ; Biology and Medicine

Summary:  -beam approach for image reconstruction attracts an increasing attention in various applications, especially... medical imaging. Previously, the traditional practical cone-beam reconstruction method, the Feldkamp... : Computed tomography (CT), cone-beam geometry, Feldkamp-type ...

Source: Virginia Tech - Wake Forest University School of Biomedical Engineering and Sciences, Biomedical Imaging Division

Collection: Engineering ; Biology and Medicine

Summary:  Company A NEW APPROACH TO IMAGE RECONSTRUCTION IN POSITRON EMISSION TOMOGRAPHY USING ARTIFICIAL NEURAL... that it is possible to reconstruct PET images using ANNs. Initially we used a Dec Alpha; then, due to the high data... that will make possible reconstruction of ...

Source: Lanconelli, Nico - Dipartimento di Fisica, Università di Bologna

Collection: Biology and Medicine ; Physics

Summary:  and a poly rod. Fission reconstruction result (color) fused with neutron transmission image (gray) A+(r) A... for improved resolution in neutron imaging. Specifications and Features · Computed tomographic reconstruction... , and evaluating x- ray, gamma, and neutron imaging technologies ...

Source: Oak Ridge National Laboratory, Engineering Science and Technology Division, Image Science and Machine Vision Group

Collection: Engineering

Summary:  -error in pixel space. 6 SUMMARY Face images reconstructed with the W2 weighting produced perceiveable... image improvement over W1 and W3 reconstructed face images. To achieve a high similarity between... the original and a reconstructed face ...

Source: Bülthoff, Isabelle - Max-Planck-Institut für biologische Kybernetik

Collection: Biology and Medicine

Summary:  , occlusions or small image scale. #12;Figure 2: "Amateur" images used for computer reconstruction (left... images used for the reconstruction The reconstruction of the statue from these images has been performed... mode #12;Figure 7: Results from ...

Source: Eidgenössische Technische Hochschule Zürich (ETHZ), Institute of Geodesy and Photogrammetry, Photogrammetry and Remote Sensing Group

Collection: Geosciences

Summary:  to reconstructing images from undersampled k-space MRI data [1-6]. One class of methods, from the nascent field... of the method directly to undersampled MR image reconstruction is limited in terms of the quality... was randomly perturbed. Fig 3 shows an example of a multi-image data ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  High Quality Iterative Image Reconstruction For Multi-Slice Helical CT Jean-Baptiste Thibault... can be enforced to increase the quality of the reconstructed image in various ways. Because... in the literature. In particular, there has been no comparison between images ...

Source: Bouman, Charles A.- School of Electrical and Computer Engineering, Purdue University

Collection: Engineering

Summary:  achieved good resolution [1.1-1.8 mm full width at half-maximum (fwhm)] at the center with 3D OSEM (ordered... Imaging Branch, National Institute of Mental Health, National Institutes of Health, 10 Center Drive... ]pyridine] derivatives as agents for imaging -amyloid plaque with positron ...

Source: Pike, Victor W. - Molecular Imaging Branch, National Institute of Mental Health

Collection: Biology and Medicine

Summary:  Faster Imaging with Randomly Perturbed, Undersampled Spirals and |L|_1 Reconstruction M. Lustig1... propose a fast imaging method based on undersampled k-space spiral sampling and non-linear reconstruction... reconstruct by minimizing the L1 norm of a transformed ...

Source: Baraniuk, Richard G.- Department of Electrical and Computer Engineering, Rice University

Collection: Engineering

Summary:  robust digital image transmission --- reconstruction of lost information from correctly received... . Providing reconstruction capability as well as compression places requirements on coding of the image data... and workstations that will comprise multimedia terminals. RECONSTRUCTION IN ...

Source: Hemami, Sheila S. - School of Electrical and Computer Engineering, Cornell University

Collection: Computer Technologies and Information Sciences

Summary:  digital image transmission -- reconstruction of lost information from correctly received information... . As such, reconstruction for robust transmission requires no special FEC or protocol features. Image data... reconstruction capability as well as compression places requirements on ...

Source: Hemami, Sheila S. - School of Electrical and Computer Engineering, Cornell University

Collection: Computer Technologies and Information Sciences

Summary:  of simulated, biplanar X-ray images. Keywords: rib cage, geometry reconstruction, statistical shape model... introduced for the 3-d reconstruction of shape [1, 2, 7] and pose [3, 4] informa- tion from 2-d images. In [2... -ray images [6]. Here, only the shape of the geometry is ...

Source: Andrzejak, Artur - Konrad-Zuse-Zentrum für Informationstechnik Berlin

Collection: Computer Technologies and Information Sciences

Summary:  -extensive reconstruction) If f and g are two images (re- spectively called the "reference" and the "marker" image... marker image, m[n], indicating the pixels where the reconstruction has not been active, that is where... and second reconstruction. to the marker ...

Source: Catalunya, Universitat Politècnica de - Department of Signal Theory and Communications, Image and Video Processing Group; Ruiz, Javier - Departament de Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya; Salembier, Philippe - Signal Theory and Communications Department, Universitat Politècnica de Catalunya

Collection: Computer Technologies and Information Sciences

Summary:  Neuron Article Bayesian Reconstruction of Natural Images from Human Brain Activity Thomas Naselaris... areas to reconstruct complex natural images. Our decoder combines three elements: a structural encoding... of natural images. By combining all these elements, the decoder produces ...

Source: Bienenstock, Elie - Department of Neuroscience, Brown University

Collection: Biology and Medicine

Summary:  to reconstruct and retrieve images based on text-to-image cross-modal recall by hypernetworks. In our method... and images and images related to given keywords are reconstructed based on the learned relation patterns... . Then, original images are ...

Source: Seoul National University, School of Computer Science and Engineering, Biointelligence Lab; Zhang, Byoung-Tak - School of Computer Science and Engineering, Seoul National University

Collection: Biology and Medicine ; Computer Technologies and Information Sciences

Summary:  Computer vision: Image registration and 3D reconstruction Roberto Cipolla Department of Engineering... determination #12;3D reconstruction #12;Reconstruction texture mapped #12;2. Image registration #12;Finding... ;Uncalibrated images #12;Self-calibration #12;Vanishing ...

Source: Cipolla, Roberto - Information Engineering Division, Department of Engineering, University of Cambridge

Collection: Computer Technologies and Information Sciences

Summary:  by providing three- dimensional reconstruction volume of the object with limited-angle projection images... . This paper investigated the image reconstruction with a standard biopsy training breast phantom using a novel... reconstruction technique (SART), were investigated to evaluate the ...

Source: Zhou, Otto Z. - Department of Physics and Astronomy, University of North Carolina at Chapel Hill

Collection: Materials Science

Summary:  ] captures a large array of images of a scene in a representation that al- lows fast reconstruction from... with the image plane and the camera plane. Traditional light field reconstruction algorithms exploit... ' in the reconstructed image. These problems arise ...

Source: Rajpoot, Nasir - Department of Computer Science, University of Warwick

Collection: Computer Technologies and Information Sciences

Summary:  ­ Reconstruction: project input image onto new coordinate system to obtain weight vector; reconstruct image... cluster of projected training images with desired aged features Reconstruct input image to capture aged... algorithm Performs ...

Source: Pollett, Chris - Department of Computer Science, San Jose State University

Collection: Computer Technologies and Information Sciences

Summary:  by providing three- dimensional reconstruction volume of the object with limited-angle projection images... . This paper investigated the image reconstruction with a standard biopsy training breast phantom using a novel... reconstruction technique (SART), were investigated to evaluate the ...

Source: Chen, Ying "Ada" - Department of Electrical and Computer Engineering, Southern Illinois University

Collection: Engineering

Summary:  Method for Quality Improvementof Images ReconstructedFrom SensitivityEncoded Data Alexei A... for refinement of the images reconstructed from sensitivity-encoded data. The method uses phase smoothness... reconstructed image is smoothed and then used as constraining ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  by merging flat zones in images, and assigning new grey levels to them. Filtering by reconstruction... that the differences are negligible on all images tested. 2. OPENINGS BY RECONSTRUCTION The basis of an opening... by reconstruction is the reconstruction of ...

Source: Wilkinson, Michael H.F. - Institute for Mathematics and Computing Science, Rijksuniversiteit Groningen

Collection: Biology and Medicine ; Computer Technologies and Information Sciences

Summary:  ,3] introduced multigrid concept for PET image reconstruction using EM. The multiresolution EM (MREM) algorithm... image-reconstruction and detector spaces. The algorithm begins iterating at the coarsest grid level... have been developed for image reconstruction in PET. Maximum likelihood ...

Source: Raheja, Amar - Computer Science Department, California State Polytechnic University at Pomona

Collection: Computer Technologies and Information Sciences

Summary:  Accurate 3D reconstruction of complex blood vessel geometries from intravascular ultrasound images... reconstruction and visualization of IVUS images assumed that the vessels were straight [1, 2, 3]. More recently... are supported. The number of images used for ...

Source: Subramanian, Kalpathi R. - Department of Computer Science, University of North Carolina at Charlotte

Collection: Computer Technologies and Information Sciences

Summary:  Effect of Measurement Precision on Super-resolution Image Reconstruction Sally L. Wood, Gao Yang... -bit images were used to reconstruct high-resolution images. Performance is measured using standard... effects on the reconstructions. OCIS codes: (110.0110) ...

Source: Rajan, Dinesh - Department of Electrical Engineering, Southern Methodist University

Collection: Engineering

Summary:  of subband coded images over lossy networks presents a reconstruction problem at the decoder. Accu­ rate... of digitally coded still images over lossy packet net­ works presents a reconstruction problem at the decoder... of the reconstructed image. Previous work on ...

Source: Hemami, Sheila S. - School of Electrical and Computer Engineering, Cornell University

Collection: Computer Technologies and Information Sciences

Summary:  Singular value decomposition : Image as matrix treat matrix as a transformation reconstruct from large... Singular value decomposition : Image as matrix treat matrix as a transformation reconstruct from large... : data driven Singular value decomposition : Image as matrix treat matrix as ...

Source: Lakey, Joseph D. - Department of Mathematical Sciences, New Mexico State University

Collection: Mathematics

Summary:  acquisition & reconstruction Multispectral image matting Results Paper Evaluation #12;Related works... Multispectral image acquisition & reconstruction Multispectral image matting Results Paper Evaluation #12... ;#12;#12;#12;User Marks #12;L D A #12;#12;Related works ...

Source: Tal, Ayellet - Department of Electrical Engineering, Technion, Israel Institute of Technology

Collection: Engineering

Summary:  the reconstructed-image quality by eliminating blocking artifacts. In this technique, smoothing is achieved... sampling of images coupled with iterative projection-based reconstruction with smoothing. Our contribution... ) reconstruction, a popular approach to CS re- covery for images ...

Source: Fowler, James E. - Department of Electrical and Computer Engineering, Mississippi State University

Collection: Computer Technologies and Information Sciences

Summary:  to improve the quality of the edges in the reconstructed image along with a spatio-temporal constraint... prior information about the image is available and appropriately incorporated into the reconstruction... such as keyhole imaging [1,2] and reduced­encoding MRI ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  reconstruction technique for computed tomography (CT) images from a geometrically unconstrained set of ray sums... diagnosis. To evaluate the feasibility of reconstructing a CT image from such a device, a simulation testbed... was built to generate simulated CT ray sums of a test image. ...

Source: Orchard, Jeffery J. - School of Computer Science, University of Waterloo

Collection: Computer Technologies and Information Sciences

Summary:  characteristics, desired reconstruction perfor­ mance, and desired compression. 1. INTRODUCTION Packetized image... are expected to be visually more pleasing, as shown in the recon­ structed images. Reconstruction performance... , within 0.3 dB, for the reconstructed ...

Source: Hemami, Sheila S. - School of Electrical and Computer Engineering, Cornell University

Collection: Computer Technologies and Information Sciences

Summary:  characteristics, desired reconstruction perfor- mance, and desired compression. 1. INTRODUCTION Packetized image... to be visually more pleasing, as shown in the recon- structed images. Reconstruction performance was visually... B, for the reconstructed images. ...

Source: Hemami, Sheila S. - School of Electrical and Computer Engineering, Cornell University

Collection: Computer Technologies and Information Sciences

Summary:  of the image. The number of samples needed for reconstruction at a given resolution and field of view... , it is commonly known that if we take the reconstructed image and compress it either losslessly or visually... . We reconstruct by minimizing the L1 norm of a transformed ...

Source: Baraniuk, Richard G.- Department of Electrical and Computer Engineering, Rice University

Collection: Engineering

Summary:  on analytical inversion of the attenuated Radon transform for quantitative SPECT image reconstruction with non... , the database was loaded. The image was then reconstructed efficiently from these contributions. In addition... for every reconstruction points in the ...

Source: SUNY at Stony Brook, Department of Electrical Engineering and Computer Engineering, Laboratory for Imaging Research and Informatics

Collection: Engineering

Summary:  was to extract the phase from one contrast image reconstructed from undercritically (R<=NC) reduced data and... , assuming phase consistency of DE FSE data, use it in reconstruction of the other contrast image from data... data (R=3). a: image formed by sum-of-squares of two coil ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  information is acquired in addition to the image. The eld map is then used to better reconstruct the image... polynomial approximation 3] is computed for use during reconstruction. Multifrequency image reconstruction... range of o -resonant frequencies. For each fn, ...

Source: Nayak, Krishna - Department of Electrical Engineering, University of Southern California

Collection: Biology and Medicine

Summary:  for Biological Cybernetics, Tübingen, Germany Introduction MR image reconstruction from undersampled k-space can... matrix). We compare half-Fourier designs (0[0,)), reconstructions are scored by L2-distance to image from... be improved by nonlinear denoising estimators since they incorporate statistical ...

Source: Bülthoff, Isabelle - Max-Planck-Institut für biologische Kybernetik

Collection: Biology and Medicine

Summary:  Highly Undersampled 3D Golden Ratio Radial Imaging with Iterative Reconstruction M. Doneva1 , H... imaging from undersampled data [3, 4]. Prerequisites for a good image reconstruction are the image... is distributed within the complete volume, allowing high ...

Source: Lübeck, Universität zu - Institute for Signal Processing

Collection: Computer Technologies and Information Sciences

Summary:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 1.4.b Modélisation dans l'espace image et reconstruction régularisée . . . 107 1.5 Modélisation de... molécules est alors estimé à partir des données enregistrées dans une étape dite de reconstruction d'image... une analyse ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  a new approach of reconstructing cardiac cine images by using k-space redundancies. The proposed method... ) reconstruction techniques. I. INTRODUCTION ne of the main problems in magnetic resonance imaging (MRI... of parallel imaging for cardiac cine imaging [2-4] ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  collected by the system. CT Reconstruction Due to the strong attenuation contrast in industrial components... , quick reconstruction techniques based on filtered backprojection are often insufficient for CT... reconstruction. Artifacts from strong contrast edges will cause streaks that will interfere with measurements

Source: Oak Ridge National Laboratory, Engineering Science and Technology Division, Image Science and Machine Vision Group

Collection: Engineering

Summary:  is investigated. To reduce scan time, k-space is undersampled several- fold, and images are reconstructed using... of the English fricative consonants /s/, //, and //. (Image reconstruction) Images were reconstructed using total... ]. Quantitative evaluation was ...

Source: Southern California, University of - Department of Electrical Engineering, Magnetic Resonance Engineering Laboratory

Collection: Biology and Medicine ; Engineering

Summary:  Methodist University Dallas, Texas, 75275 USA ABSTRACT Reconstruction of high resolution images from... limits for reconstruction from multiple lower resolution images as a function of measurement bit... using lower- quality elements and image reconstruction methods ...

Source: Rajan, Dinesh - Department of Electrical Engineering, Southern Methodist University

Collection: Engineering

Summary:  results show that both the data size of final 3-D model and the quality of reconstructed images... that both the quality of reconstructed images and the data size of final 3-D model are significantly... . Experimental results are shown in Section III to compare the obtained 3-D voxel models and ...

Source: Radha, Hayder - Department of Electrical and Computer Engineering, Michigan State University

Collection: Computer Technologies and Information Sciences ; Engineering

Summary:  constraints (coil sensitivity profiles, acquired k- space data, and image support) in the reconstruction... square reconstruction of image from coil images and sensitivity profiles. The algorithm iterates between... reconstruction of a phantom ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  -dimensional breast imaging technique, breast tomosynthesis allows the reconstruction of an arbitrary set of planes... reconstruction technique (SART) were investigated. Tomosynthesis projection images of a phantom were acquired... studied to generate reconstruction ...

Source: Chen, Ying "Ada" - Department of Electrical and Computer Engineering, Southern Illinois University

Collection: Engineering

Summary:  Reconstructing an image from its local descriptors Philippe Weinzaepfel ENS Cachan Bretagne Herv... . As demonstrated in our experiments, visually meaningful reconstructions are obtained just based on image local... -the-art descriptors. We present and demonstrate an al- gorithm for ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  ) of the 21 diffracted order, i.e., the order forming a reconstructed real image, are given for various... interchanged. If the hologram is reconstructed with left-hand cir- cular polarization, image 1... will be reconstructed, whereas using right-hand circular polarization for the ...

Source: Technische Universiteit Delft, Department of Imaging Science and Technology, Optics Research Group

Collection: Physics

Summary:  multiple 2D or 3D images, instead of a single line, can be reconstructed from a single transmission... . Blood flow velocity component images were reconstructed simultaneously from these images... be reconstructed from a single transmission, producing a high ...

Source: Lu, Jian-yu - Department of Bioengineering, University of Toledo

Collection: Engineering

Summary:  for image reconstruction from incomplete k-space data. In this work we show that prior knowledge about... the images for several echo times obtained with CS reconstruction using wavelets and TV, and CS... estimation to efficiently reconstruct an image series for T2 ...

Source: Lübeck, Universität zu - Institute for Signal Processing

Collection: Computer Technologies and Information Sciences

Summary:  approaches to reconstruct the whole image of an object from parts of its image or to restore the missing... points. Therefore, for our purpose of effectively reconstructing a face image from a few feature points... . The other 100 images are used to test the ...

Source: Vetter, Thomas - Departement Informatik, Universität Basel

Collection: Computer Technologies and Information Sciences

Summary:  -801-585-6513 Email: samsonov@sci.utah.edu #12;2 ABSTRACT A novel method for iterative reconstruction of images from... image quality. POCSENSE is numerically efficient and conceptually simple, and can reconstruct images... . Keywords: MRI; parallel imaging; ...

Source: Utah, University of - Scientific Computing and Imaging Institute

Collection: Computer Technologies and Information Sciences

Summary:  -fields are applied #12;Fiber Map Reconstructing the Heart--ImagingReconstructing the Heart--Imaging Mathematical... errors are markedly reduced for 3D FSE compared to 2D images 2D MSE 3D FSE #12;Reconstruction... of the Ventricular Myocardium #12;Ventricular ...

Source: Winslow, Raimond - Center for Cardiovascular Bioinformatics and Modeling & Department of Biomedical Engineering, Johns Hopkins University

Collection: Biology and Medicine

Summary:  Unified reconstruction framework for multi-modal medical imaging Di Dong, Jie Tian , Yakang Dai, Guorui... care available to patients. Corresponding medical image reconstruction algorithms, especially 3D... framework is an abstract solution that supports multi-modal image ...

Source: Tian, Jie - Institute of Automation, Chinese Academy of Sciences

Collection: Engineering ; Biology and Medicine

Summary:  is capable of reconstructing the 4D-CT images with great accuracy. The experiments also show that our... organ motions due to, for example, patient respiration by reconstructing a set of CT images... to their associated res- piratory phase information and 4D-CT are accomplished by ...

Source: Soatto, Stefano - Computer Science Department, University of California at Los Angeles

Collection: Computer Technologies and Information Sciences

Summary:  -extensive reconstruction) If f and g are two im- ages (respectively called the "reference" and the "marker" image... reconstruction) If f and g are two images (respectively called the "reference" and the "marker" image... image f. As a result, most connected ...

Source: Ruiz, Javier - Departament de Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya; Salembier, Philippe - Signal Theory and Communications Department, Universitat Politècnica de Catalunya

Collection: Computer Technologies and Information Sciences

Summary:  Version 3.0 Last updated: May 25, 2004 Reconstruction The reconstruction script is located... in /export/apps/reconstruction. As soon as the ref.[experiment].dat file and at least one P file have been... transferred, the script may be started: [user@solaris:/home/user] cd /export/apps/reconstruction ...

Source: Columbia University, Department of Radiology, fMRI Research Center

Collection: Biology and Medicine

Summary:  reconstruction method with the conventional linear Fourier reconstruction. The CS reconstructed images... -lumen interface. The CS reconstruction denoises the image as denoted by * while preserving the fine features... 8-0.5x0.5x2.5mm3 -8ms-8ms-1RR-12]. Results and ...

Source: Southern California, University of - Department of Electrical Engineering, Magnetic Resonance Engineering Laboratory

Collection: Biology and Medicine ; Engineering