Filters








16 Hits in 7.4 sec

Ricci Curvature And Flow For Image Denoising And Super-Resolution

Eli Appleboim, Emil Saucan, Y.Y. Zeevi
2012 Zenodo  
Research was sponsored in part by the Ollendorf Minerva Center for Vision and Image Sciences.  ...  Acknowledgements The authors would like to express their gratitude to the students Nir Getter, Amitay Bar, Aviv Gadot and Aviram Haimovich for their devoted work while programming and implementing essential  ...  Ricci Flow for Image Denoising In Figure 6 we compare the performance of the Ricci flow with that of two other state-of-the-art denoising techniques.  ... 
doi:10.5281/zenodo.52061 fatcat:7fecsfbzjvacvoj26rorahbvje

Geometric Understanding of Deep Learning [article]

Na Lei, Zhongxuan Luo, Shing-Tung Yau, David Xianfeng Gu
2018 arXiv   pre-print
Deep learning is the mainstream technique for many machine learning tasks, including image recognition, machine translation, speech recognition, and so on.  ...  It has the central importance to lay down the theoretic foundation for deep learning.  ...  Acknowledgement The authors thank our students: Yang Guo, Dongsheng An, Jingyao Ke, Huidong Liu for all the experimental results, also thank our collaborators: Feng Luo, Kefeng Liu, Dimitris Samaras for  ... 
arXiv:1805.10451v2 fatcat:d2dbdlkqqnavxg5ajqtxalxa6q

Table of contents

2021 ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
JOINT COUPLED TRANSFORM LEARNING FRAMEWORK FOR .............................................. 2080 MULTIMODAL IMAGE SUPER-RESOLUTION Andrew Gigie, Achanna Anil Kumar, TCS Research and Innovation, India  ...  ........................................ 2100 FINE-GRAINED IMAGE RETRIEVAL Kangbo Sun, Jie Zhu, Shanghai Jiao Tong University, China IVMSP-7: MACHINE LEARNING FOR IMAGE PROCESSING IVMSP-7.1: SUPER-RESOLUTION  ... 
doi:10.1109/icassp39728.2021.9414617 fatcat:m5ugnnuk7nacbd6jr6gv2lsfby

Learning Neural Textual Representations for Citation Recommendation

Binh Thanh Kieu, Inigo Jauregi Unanue, Son Bao Pham, Hieu Xuan Phan, Massimo Piccardi
2021 2020 25th International Conference on Pattern Recognition (ICPR)  
Convolutional Network for Single Image Super-Resolution DAY 1 -Jan 12, 2021 Track 5: Image and Signal Processing PS T5.2 Poster Gather Town 5:00 PM 6:00 PM Simone Calderara simone.calderara  ...  Unsupervised Image Segmentation DAY 2 -Jan 13, 2021 Li, Qiang; Dai, Tao; Xia, Shutao 2452 Progressive Splitting and Upscaling Structure for Super-Resolution DAY 2 -Jan 13, 2021 Deng, YiPeng;  ... 
doi:10.1109/icpr48806.2021.9412725 fatcat:3vge2tpd2zf7jcv5btcixnaikm

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
The development of more complex tissues has been limited by the need for techniques that can rapidly organize cells and proteins within large three-dimensional scaffolds, and the need to create vascular  ...  Recent advances in the field of tissue engineering include the engineering of skin, cartilage, and bladder, all of which are relatively thin tissues that can rely on diffusion for the delivery of oxygen  ...  The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015.  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i

The use of EIT in the detection of regional lung dysfunction in prematurely born neonates [chapter]

A. Zifan, P. Liatsis, R. Bayford
2009 International Federation for Medical and Biological Engineering Proceedings  
11:45 Novel application of MRI-polymer gel dosimeter for measurement of CTDI on X-ray 64 slices CT scanner Leila Karimiafshar (Tehran university of medical sciences, Iran); Nader Riyahi-Alam (  ...  for Biotechnology and Bioengineering, Portugal); Francisco Gama (Universidade do Minho, Portugal) Three-dimensional continuous curvatures of the human cardaic geometry from magnetic resonance imaging  ...  for Diffusion Tensor Imaging of the Human Brain with High Spatial Resolution Klaus Hahn (Institute of Biomathematics & Biometry, Germany) Enhancement of Breast Images by Noise Reduction and MTF Compensation  ... 
doi:10.1007/978-3-642-03882-2_347 fatcat:7yqxmd6xq5fidbtvwtacdv76ya

Solution of Inverse Problem using Learning

Qiqin Dai
2017 unpublished
are super-resolved to high resolution (HR) output frames.  ...  We propose to fuse an LR XRF image and a conventional HR RGB image into a product of HR  ...  [114] , clustering [24] , compression [20] , super-resolution [117] and denoising [41] .  ... 
doi:10.21985/n2bq8w fatcat:2yc6h63dp5dvvorqtvdik7ago4

Wavelet and Multiscale Methods

Albert Cohen, Wolfgang Dahmen, Ronald DeVore, Angela Kunoth
2004 Oberwolfach Reports  
Various scientific models demand finer and finer resolutions of relevant features. Paradoxically, increasing computational power serves to even heighten this demand.  ...  the investigation of greedy algorithms in complexity theory, compression techniques and encoding in signal and image processing; the solution of global operator equations through the compression of fully  ...  The concept of nonlocal means (NLM) has been developed by Buades, Coll and Morel in [BCM] as a denoising algorithm for a single image.  ... 
doi:10.4171/owr/2004/34 fatcat:p6egtkbzfjczldhc4fhoacycve

Wavelet and Multiscale Methods

Albert Cohen, Wolfgang Dahmen, Ronald DeVore, Angela Kunoth
2010 Oberwolfach Reports  
Various scientific models demand finer and finer resolutions of relevant features. Paradoxically, increasing computational power serves to even heighten this demand.  ...  the investigation of greedy algorithms in complexity theory, compression techniques and encoding in signal and image processing; the solution of global operator equations through the compression of fully  ...  The concept of nonlocal means (NLM) has been developed by Buades, Coll and Morel in [BCM] as a denoising algorithm for a single image.  ... 
doi:10.4171/owr/2010/33 fatcat:6vzasb27prgkbkfjqcbrjbtn2q

Wavelet and Multiscale Methods

Albert Cohen, Wolfgang Dahmen, Ronald DeVore, Angela Kunoth
2007 Oberwolfach Reports  
Various scientific models demand finer and finer resolutions of relevant features. Paradoxically, increasing computational power serves to even heighten this demand.  ...  the investigation of greedy algorithms in complexity theory, compression techniques and encoding in signal and image processing; the solution of global operator equations through the compression of fully  ...  The concept of nonlocal means (NLM) has been developed by Buades, Coll and Morel in [BCM] as a denoising algorithm for a single image.  ... 
doi:10.4171/owr/2007/36 fatcat:gcs7isffbvc6hpfgukgn3b5aga

Cosmology with weak-lensing peak counts [article]

Chieh-An Lin
2016 arXiv   pre-print
Weak gravitational lensing (WL) causes distortions of galaxy images and probes massive structures on large scales, allowing us to understand the late-time evolution of the Universe.  ...  Overall, this thesis forges an innovative tool for future WL surveys. The manuscript provides a brief review on WL peak counts.  ...  Various sophisticated methods using Bayesian model fitting ) and super-resolution (Ngolè Mboula et al. 2015) also exist.  ... 
arXiv:1612.04041v1 fatcat:bgh3gpzscfhvpiw4knpfifz4ta

Weak Gravitational Lensing by Large-Scale Structures:A Tool for Constraining Cosmology

Marc Gentile
2013
We thank Tom Kitching for his help and especially for providing us with the true input ellipticity and FWHM catalog of the Star Challenge PSF images.  ...  Many thanks to Tom Kitching for his help and for sharing the shear analysis code. We also thank the GREAT10 Coordination Team for organizing this stimulating challenge.  ...  .: Image denoising and galaxy shape measurementsFig. 1. Artificial galaxies of different resolutions.  ... 
doi:10.5075/epfl-thesis-5732 fatcat:sqy3ossf55bp7kuntsyuuvk3le

Simulations for gravitational lensing of 21 cm radiation at EoR and post-EoR redshifts

Dottorando Alessandro, Romeo Supervisore, Moscardini Lauro, Co-Supervisori, Benton Robert, Metcalf, Pourtsidou Alkistis, Coordinatore, Lauro Moscardini
unpublished
In this case the reconstructed image has a resolution of 1.15 arcmin at z = 8, within a field of view of 13 deg 2 .  ...  goes from z=7 to z=11.5 and with a total resolution of 1.6 arcmin.  ...  As shown in Figure 5.29 for M = 200 and M = 100, respectively, this would considerably contaminate the denoised image with aliasing, although the high 5.28.1 Gaussian de-noised image with g = 1.5 5.28.2  ... 
fatcat:t5ncznjjzfgdxgt53e7f3eyzm4

Procedural 3D Asteroid Model Synthesis : A general approach to automatically generate arbitrary 3D asteroid models [article]

Xizhi Li, Universität Bremen, Gabriel Zachmann
2020
They are powerful both for the modeling of 3D asteroid models and animating movement of rovers on the virtual testbed.  ...  For instance, in space the terrain-based navigation system and optic-based ground guiding system rely on the terrain features of the celestial surface.  ...  For instance, Perlin presented flow noise [116] , a Perlin-like noise function for generating time-varying flow textures with swirling and advection.  ... 
doi:10.26092/elib/318 fatcat:wuu5niqrnfc2bllclfxjnxsh5q

DOTTORATO DI RICERCA IN MECCANICA DELLE STRUTTURE Ciclo XXII DYNAMIC IDENTIFICATION OF STRUCTURES: EXPERIMENTAL ASSESSMENT OF MODAL PARAMETERS THROUGH METHODS IN FREQUENCY DOMAIN, IN TIME-FREQUENCY DOMAIN AND MODEL UPDATING Settore scientifico disciplinare di afferenza: ICAR/09-Tecnica delle Costruzioni Redatta da: Claudia Belmonte Coordinatore Dottorato Relatore

E Viola, P P Diotallevi Correlatori, E Caetano, L Landi
unpublished
The resolution of the analysis is therefore good for high dilatation in the frequency domain and for low dilatation in time domain.  ...  The use of the some wavelets and translation invariant denoising were found to be very efficient for this purpose.  ... 
fatcat:kk5rxjnmgrefnav23cna3r5kaq
« Previous Showing results 1 — 15 out of 16 results