Results 21 to 30 of about 438,825 (262)

Evidence for Holistic Representations of Ignored Images and Analytic Representations of Attended Images. [PDF]

open access: yesJournal of Experimental Psychology: Human Perception and Performance, 2004
According to the hybrid theory of object recognition (J. E. Hummel, 2001), ignored object images are represented holistically, and attended images are represented both holistically and analytically. This account correctly predicts patterns of visual priming as a function of translation, scale (B. J. Stankiewicz & J. E.
Davidoff, Jules B.   +2 more
openaire   +3 more sources

Applicability of Convolutional Neural Networks for Calibration of Nonlinear Dynamic Models of Structures

open access: yesFrontiers in Built Environment, 2022
The objective of this study is to examine a machine learning (ML) framework for calibrating the parameters of analytical models of complex nonlinear structural systems where experimental data is significantly limited.
Angela Lanning   +2 more
doaj   +1 more source

Quantum Steganography Using Two Hidden Thresholds

open access: yesAdvances in Electrical and Computer Engineering, 2021
This paper describes a novel steganography algorithm that combines quantum computing with the least significant bit technique (LSB). Using the quantum properties, along with the Python programming language and the Qiskit framework for the circuit ...
TUDORACHE, A.-G.   +2 more
doaj   +1 more source

Generating Images with Sparse Representations

open access: yesCoRR, 2021
The high dimensionality of images presents architecture and sampling-efficiency challenges for likelihood-based generative models. Previous approaches such as VQ-VAE use deep autoencoders to obtain compact representations, which are more practical as inputs for likelihood-based models.
Charlie Nash   +3 more
openaire   +3 more sources

Sparse representation of astronomical images [PDF]

open access: yesJournal of the Optical Society of America A, 2013
Sparse representation of astronomical images is discussed. It is shown that a significant gain in sparsity is achieved when particular mixed dictionaries are used for approximating these types of images with greedy selection strategies. Experiments are conducted to confirm: i)Effectiveness at producing sparse representations.
Laura Rebollo-Neira, James Bowley
openaire   +3 more sources

Robust Ensemble Manifold Projective Non-Negative Matrix Factorization for Image Representation

open access: yesIEEE Access, 2020
Projective non-negative matrix factorization (PNMF) as a variant of NMF has received considerable attention. However, the existing PNMF methods can be further improved from two aspects.
Peng Luo   +7 more
doaj   +1 more source

The Momentum Map Representation of Images [PDF]

open access: yesJournal of Nonlinear Science, 2010
This paper discusses the mathematical framework for designing methods of large deformation matching (LDM) for image registration in computational anatomy. After reviewing the geometrical framework of LDM image registration methods, a theorem is proved showing that these methods may be designed by using the actions of diffeomorphisms on the image data ...
Martins Bruveris   +3 more
openaire   +5 more sources

FNRegion: A fast NAM‐based region extraction algorithm

open access: yesIET Image Processing, 2023
Region extraction is usually used by many computer vision tasks as a pre‐processing step to extract image features. However, how to efficiently extract effective regions remains a challenging problem.
Yunping Zheng, Bowen Yang, Mudar Sarem
doaj   +1 more source

Representing Blurred Image without Deblurring

open access: yesMathematics, 2023
The effective recognition of patterns from blurred images presents a fundamental difficulty for many practical vision tasks. In the era of deep learning, the main ideas to cope with this difficulty are data augmentation and deblurring.
Shuren Qi   +3 more
doaj   +1 more source

Sparse image representation with epitomes [PDF]

open access: yesCVPR 2011, 2011
Computer Vision and Pattern Recognition, Colorado Springs : United States (2011)
Benoît, Louise   +3 more
openaire   +3 more sources

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