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Detection of Tampering by Image Resizing Using Local Tchebichef Moments
2019
Applied Sciences
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The tampered images are obtained by removing the pixels from original images using image resizing (scaling, scale-and-stretch and seam carving). ...
There are many image resizing techniques, which include scaling, scale-and-stretch, seam carving, and so on. They have their own advantages and are suitable for different application scenarios. ...
Inspired by image entropy with the ability of capturing the intrinsic information of an image, we exploited multi-scale spectral and spatial entropies to detect seam carved images with low resizing ratios ...
doi:10.3390/app9153007
fatcat:ua4it4wg4rbepnu74kwued2iey
Human Attention Modelization and Data Reduction
[chapter]
2012
Video Compression
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The details provided here will be useful to understand the next parts of the chapter which are dedicated to attention-based image and video compression. ...
The first one is based on the notion of "saliency" and implies a competition between "bottom-up" and "top-down" information. ...
Low-energy pixels are connected together to make a seam path. The seam paths cross vertically and horizontally the image and are removed. Dynamic programming is used to calculate the optimal seams. ...
doi:10.5772/34942
fatcat:esq57asj2vf27gzfir4ycx36im
Author Index
2010
2010 IEEE Computer Society Conference on Computer Vision and Pattern Recognition
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Seam-Carving for Video Retargeting
Player Localization Using Multiple Static Cameras for Sports Visualization
Efficient Hierarchical Graph-Based Video Segmentation
Grzeszczuk, Radek
Unified Real-Time ...
small image structures Boosting for Transfer Learning with Multiple Sources Dorin, Comaniciu Lymph Node Detection in 3-D Chest CT using a Spatial Prior Probability Dorizzi, Bernadette Workshop: Obtaining ...
doi:10.1109/cvpr.2010.5539913
fatcat:y6m5knstrzfyfin6jzusc42p54
Bottom-Up Saliency Detection Model Based on Human Visual Sensitivity and Amplitude Spectrum
2012
IEEE transactions on multimedia
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We use the amplitude spectrum of QFT to represent the color, intensity, and orientation distributions for image patches. ...
With the wide applications of saliency information in visual signal processing, many saliency detection methods have been proposed. ...
In this study, we use the proposed saliency detection model in the framework of seam carving in [29] . ...
doi:10.1109/tmm.2011.2169775
fatcat:qdk3mj44ffdtlfuvckmvedom4i
A Deep Evaluator for Image Retargeting Quality by Geometrical and Contextual Interaction
2018
IEEE Transactions on Cybernetics
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(a) Original image; (b) Simple Scaling Operator (SSO); (c) Manual Cropping (MC); (d)Seam Carving (SC); (e) Nonhomogeneous Warping (WARP); (f) Scale and Stretch (SCST); (g) Multi Operator (MULTI); (h) Shift ...
Specially, Seam Carving (SC) [3] , Nonhomogeneous Warping (WARP) [5] , Multi Operator (MULTI) [7] , Simple Scaling Operator (SSO), and Shift Map (SM) [8] are included. ...
doi:10.1109/tcyb.2018.2864158
pmid:30183651
fatcat:ocjk7guh2jgb5kn7xp6mznvcjq
Overview of Image Inpainting and Forensic Technology
2022
Security and Communication Networks
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So far, academia still lacks a unified understanding of image forgery and detection technology, and the research architecture of inpainting and forensic technology is not clear. ...
With the progress of image processing theory, digital image inpainting technology has also developed rapidly. It not only enhances the image expression but also provides tools for image forgery. ...
[109] proposed a blind detection method for image seam carving for low zoom ratios. Zhang et al. ...
doi:10.1155/2022/9291971
doaj:9085f6d15bc64d13acd70f636181bf23
fatcat:pg5ncxzngjblzl42bstp3ykxpi
ChoroidNET: A Dense Dilated U-Net Model for Choroid Layer and Vessel Segmentation in Optical Coherence Tomography Images
2021
IEEE Access
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The performance of ChoroidNET is evaluated using an OCT dataset that contains images with various retinal pathologies. ...
In this study, we develop a dense dilated U-Net model (ChoroidNET) for segmenting the choroid layer and choroidal vessels in optical coherence tomography (OCT) images. ...
Then, seam carving was applied to obtain a full choroid layer by finding a path of connected pixels between BM and the CSI. Devalla et al. ...
doi:10.1109/access.2021.3124993
fatcat:ccrfoa35kbdifdpdxv5yikeqsm
Digital image forgery detection using passive techniques: A survey
2013
Digital Investigation. The International Journal of Digital Forensics and Incident Response
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The present status of image forgery detection technique is discussed along with a recommendation for future research. ...
An overview of passive image authentication is presented and the existing blind forgery detection techniques are reviewed. ...
Acknowledgment The authors would like to thank the anonymous reviewers for their valuable and insightful comments on the earlier version of this manuscript. ...
doi:10.1016/j.diin.2013.04.007
fatcat:pqlzh2yciveqxgw2pbwfnay7nq
Light Field Image Processing: An Overview
2017
IEEE Journal on Selected Topics in Signal Processing
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Taking these two elements together, research in light field image processing has become increasingly popular in the computer vision, computer graphics and signal processing communities. ...
We focus on all aspects of light field image processing, including basic light field representation and theory, acquisition, super-resolution, depth estimation, compression, editing, processing algorithms ...
A joint image and depth retargeting based on seam carving for light fields has also been proposed [270] . 1 . ...
doi:10.1109/jstsp.2017.2747126
fatcat:rvsfzvdxbbf4zesqdkaj3cseza
Asymmetric Planetary Nebulae V. Conference proceedings
[article]
2011
Zenodo
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Sahai Proto-Planetary Nebulae with the Spitzer Space Telescope . . . . . . . . . . . . 18 A. Hart et al. Imaging PNe with Herschel-PACS and SPIRE................... 23 P. A. M. van Hoof et al. ...
Reid and Q. A. Parker Symmetric vs. asymmetric planetary nebulae: morphology and chemical abundances .................................... 54 W. J. Maciel and R. D. D. ...
This research made use of tools provided by Astrometry.net.
Imaging PNe with Herschel-PACS and SPIRE Acknowledgments. I would like to thank Yong Zhang and Chih-Hao Hsia for helpful discussions. ...
doi:10.5281/zenodo.6875301
fatcat:rnhuumhrtffepeaf7jo4wqlm7e
Emission line models for the lowest mass core-collapse supernovae – I. Case study of a 9 M⊙ one-dimensional neutrino-driven explosion
2017
Monthly notices of the Royal Astronomical Society
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Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2017 pre-print arXiv:1710.04508v1 fatcat:4mippsx74vh33dzby4w6zzv6be
Combined with clear detection of lines from O and He shell material, these SNe rather originate from Fe core progenitors. ...
The close fit of a model with no tuning parameters provides strong evidence for an association of these objects with low-mass Fe CCSNe. ...
The reason may be that with the bright blue background and low 56 Ni mass, the SN had faded below detection limit. ...
doi:10.1093/mnras/stx2877
fatcat:s7cbb7tjzra6lghrrickuap2ni
Program
2020
2020 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-Taiwan)
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In order to deal with multi-view time series features calculated from tweets and videos, we adopt an anomaly detection method using LSTM. ...
This paper proposes the 3D multi-target detection by using scene segmentation results of PointNet++ to improve the loss of point cloud data when extracting the spatial features of point cloud data after ...
The proposed SC with artificial intelligence method to reach the largest possible input dynamic range and optimized layout, the method of dynamic range scaling and minimum capacitor scaling is used. ...
doi:10.1109/icce-taiwan49838.2020.9258230
fatcat:g25vw7mzvradxna2grlzp6kgiq
Present State of CFD Softwares Application for Launch Vehicle Analysis
발사체 해석을 위한 CFD 소프트웨어 적용 현황
2020
Journal of the Korean Society of Propulsion Engineers
발사체 해석을 위한 CFD 소프트웨어 적용 현황
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This software program takes an XML representation of the contents of a Hierarchical Data Format-Earth Observing System (HDF-EOS) file and recreates the file from that description . ...
Thresholding, color scaling, and spatial filtering are applied to output detection, and the information is overlaid onto the B-mode image in real time . U.S. ...
The toolbox affords the capability to synthesize coarser-spatial-resolution image data sets from finer-spatial-resolution data sets and multispectral image data products from hyperspectral image data products ...
doi:10.6108/kspe.2020.24.3.071
fatcat:trxkhiuqrjakll32bcjxskgwju
Computational Analysis of the Oscillatory Mixed Convection Flow along a Horizontal Circular Cylinder in Thermally Stratified Medium
2020
Computers Materials & Continua
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It is also found that the temperature gradient decreases with stratification parameter 𝑆𝑆 𝑡𝑡 , but it increases after a certain distance 𝑌𝑌 from the cylinder. ...
To remove the difficulties in illustrating the coupled PDE's, the finite-difference scheme with efficient primitive-variable formulation is proposed to transform dimensionless equations. ...
[Zhang, Yin, Yang et al. (2017) ] used spatial and spectral entropies with low scaling ratio on multi-scale images to detect image seam carving. Zhang et al. ...
doi:10.32604/cmc.2020.011468
fatcat:7sq547xkqfeetjtb6jbnvk4sli
Backwards is the way forward: Feedback in the cortical hierarchy predicts the expected future
2013
Behavioral and Brain Sciences
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errors, and internal models). ...
First, on anabstractconceptual level, it provides a unifying framework for perception, action, and cognition (including subdivisions such as attention, expectation, and imagination). ...
the signal, in the generative model, and in the context) to get a multi-scale, multi-dimensional grip on the evolving acoustic and semantic content. ...
doi:10.1017/s0140525x12002361
pmid:23663531
fatcat:d7iicta6qfau5cb3znkiwtk4g4
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