Výsledky vyhľadávania - "image regularization"

Linear Convergence of Plug-and-Play Algorithms With Kernel Denoisers Autor Sinha, Arghya, Kumar, Bhartendu, Athalye, Chirayu D., Chaudhury, Kunal N.

“…The use of denoisers for image reconstruction has shown significant potential, especially for the Plug-and-Play (PnP) framework. In PnP, a powerful denoiser is…”
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Simultaneous multi-slice image reconstruction using regularized image domain split slice-GRAPPA for diffusion MRI Autor HashemizadehKolowri, SK, Chen, Rong-Rong, Adluru, Ganesh, Dean, Douglas C., Wilde, Elisabeth A., Alexander, Andrew L., DiBella, Edward V.R.

“…•This work aims to improve image reconstruction for SMS diffusion MR imaging.•A new approach termed regularized image domain split slice-GRAPPA is proposed.•A…”
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Vector-valued image regularization with PDEs: a common framework for different applications Autor Tschumperle, D., Deriche, R.

“…In this paper, we focus on techniques for vector-valued image regularization, based on variational methods and PDE. Starting from the study of PDE-based…”
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On the impact of anisotropic diffusion on edge detection Autor Lopez-Molina, C., Galar, M., Bustince, H., De Baets, B.

“…Content-aware, edge-preserving smoothing techniques have gained visibility in recent years. However, they have had a rather limited impact on the edge…”
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An End-to-End Task-Simplified and Anchor-Guided Deep Learning Framework for Image-Based Head Pose Estimation Autor Li, Jing, Wang, Jiang, Ullah, Farhan

“…Image-based Head Pose Estimation (HPE) from an arbitrary view is still challenging due to the complex imaging conditions as well as the intrinsic and extrinsic…”
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Prospective regularization design in prior-image-based reconstruction Autor Dang, Hao, Siewerdsen, Jeffrey H, Stayman, J Webster

“…Prior-image-based reconstruction (PIBR) methods leveraging patient-specific anatomical information from previous imaging studies and/or sequences have…”
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Regularization Using Denoising: Exact and Robust Signal Recovery Autor Gavaskar, Ruturaj G., Chaudhury, Kunal N.

“…We consider the problem of signal reconstruction from linearly corrupted data using plug-and-play (PnP) regularization. As opposed to traditional…”
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Multiperspective Image Stitching and Regularization via Hybrid Structure Warping Autor Lu, Yan, Hua, Zizheng, Gao, Kun, Xu, Tingfa

“…Distortions such as shape changes, ghosting, seam lines, and missing edges often occur in multiperspective image stitching. The authors describe a…”
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An Anisotropic 4D Filtering Approach to Recover Brain Activation From Paradigm-Free Functional MRI Data Autor Costantini, Isa, Deriche, Rachid, Deslauriers-Gauthier, Samuel

“…Functional Magnetic Resonance Imaging (fMRI) is a non-invasive imaging technique that provides an indirect view into brain activity the blood oxygen level…”
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Probability weighted moments regularization based blind image De-blurring Autor Dawood, Hussain, Dawood, Hassan, Ping, Guo, Mehmood, Rashid, Daud, Ali, Alamri, Abdullah, Alowibdi, Jalal S.

“…The main objective of blind image de-blurring is to recover a sharp image from a given blurry image. A good estimation of the kernel plays an important role in…”
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Removing Artefacts From Color and Contrast Modifications Autor Rabin, J., Delon, J., Gousseau, Y.

“…This work is concerned with the modification of the gray level or color distribution of digital images. A common drawback of classical methods aiming at such…”
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Three-operator splitting scheme with the reference image regularization for electrical capacitance tomography Autor Lei, J., Liu, Q. B., Wang, X. Y.

“…The image reconstruction is an important step in the electrical capacitance tomography (ECT) technology, and its performance directly impacts the…”
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Multilinear Graph Embedding: Representation and Regularization for Images Autor Chen, Yi-Lei, Hsu, Chiou-Ting

“…Given a set of images, finding a compact and discriminative representation is still a big challenge especially when multiple latent factors are hidden in the…”
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Removal of achromatic reflections from a single color image Autor Bedini, L., Savino, P., Tonazzini, A.

“…In this paper we consider the problem of removing achromatic reflections from a picture of a scene taken through a semi-transparent medium, assuming that the…”
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Optimized Bayes variational regularization prior for 3D PET images Autor Rapisarda, Eugenio, Presotto, Luca, De Bernardi, Elisabetta, Gilardi, Maria Carla, Bettinardi, Valentino

“…A new prior for variational Maximum a Posteriori regularization is proposed to be used in a 3D One-Step-Late (OSL) reconstruction algorithm accounting also for…”
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Wasserstein regularization of imaging problem Autor Rabin, J., Peyre, G.

“…This paper introduces a novel and generic framework embedding statistical constraints for variational problems. We resort to the theory of Monge-Kantorovich…”
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Evaluation of a New Regularization Prior for 3-D PET Reconstruction Including PSF Modeling Autor Rapisarda, E., Bettinardi, V., Thielemans, K., Gilardi, M. C.

“…The response of a PET system can be described by its characteristic Point Spread Function (PSF) representing the spatial degradation of a point source due to…”
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Comparison of regularization methods for human cardiac diffusion tensor MRI Autor Frindel, Carole, Robini, Marc, Croisille, Pierre, Zhu, Yue-Min

“…Diffusion tensor MRI (DT-MRI) is an imaging technique that is gaining importance in clinical applications. However, there is very little work concerning the…”
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On the accuracy of image normalization by Zernike moments Autor Yang, Zhengwu, Fang, Tao

“…Zernike Moment (ZM) is an effective region-based shape representation technique. The extracted ZM features should be independent of scale, position and…”
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Use of continuous optimization methods to find carbon links in 2D INADEQUATE spectra Autor Anand, Christopher Kumar, Bain, Alex D., Watson, Sean C.

“…An example of our results by showing an expanded section of a spectrum before(left) and after(right) application of our optimization. [Display omitted] ►…”
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