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TIP
2008
181views more  TIP 2008»
13 years 8 months ago
Sparse Representation for Color Image Restoration
Abstract--Sparse representations of signals have drawn considerable interest in recent years. The assumption that natural signals, such as images, admit a sparse decomposition over...
Julien Mairal, Michael Elad, Guillermo Sapiro
TIP
2008
144views more  TIP 2008»
13 years 8 months ago
Incremental Refinement of Image Salient-Point Detection
Low-level image analysis systems typically detect "points of interest", i.e., areas of natural images that contain corners or edges. Most of the robust and computationall...
Yiannis Andreopoulos, Ioannis Patras
TIP
2008
105views more  TIP 2008»
13 years 8 months ago
Weighted Adaptive Lifting-Based Wavelet Transform for Image Coding
In this paper, a new weighted adaptive lifting (WAL)-based wavelet transform is presented. The proposed WAL approach is designed to solve the problems existing in the previous adap...
Yu Liu, King Ngi Ngan
TIP
2008
124views more  TIP 2008»
13 years 8 months ago
GAFFE: A Gaze-Attentive Fixation Finding Engine
Abstract-- The ability to automatically detect visually interesting regions in images has many practical applications, especially in the design of active machine vision and automat...
Umesh Rajashekar, Ian van der Linde, Alan C. Bovik...
TIFS
2008
121views more  TIFS 2008»
13 years 8 months ago
Effect of Severe Image Compression on Iris Recognition Performance
We investigate three schemes for severe compression of iris images in order to assess what their impact would be on recognition performance of the algorithms deployed today for ide...
John Daugman, Cathryn Downing
TIFS
2008
120views more  TIFS 2008»
13 years 8 months ago
Determining Image Origin and Integrity Using Sensor Noise
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
Mo Chen, Jessica J. Fridrich, Miroslav Goljan, Jan...
TIFS
2008
148views more  TIFS 2008»
13 years 8 months ago
Digital Image Forensics via Intrinsic Fingerprints
Digital imaging has experienced tremendous growth in recent decades, and digital camera images have been used in a growing number of applications. With such increasing popularity a...
Ashwin Swaminathan, Min Wu, K. J. Ray Liu
TCSV
2008
134views more  TCSV 2008»
13 years 8 months ago
Invariant Image Watermarking Based on Statistical Features in the Low-Frequency Domain
Watermark resistance to geometric attacks is an important issue in the image watermarking community. Most countermeasures proposed in the literature usually focus on the problem of...
Shijun Xiang, Hyoung-Joong Kim, Jiwu Huang
TCSV
2008
134views more  TCSV 2008»
13 years 8 months ago
Efficient Multiple-Description Image Coding Using Directional Lifting-Based Transform
This paper proposes an efficient two-description image coding technique. The two side descriptions of an image are generated by quincunx subsampling. The decoding from any side des...
Nan Zhang 0006, Yan Lu, Feng Wu, Xiaolin Wu, Baoca...
INFORMATICALT
2007
92views more  INFORMATICALT 2007»
13 years 8 months ago
An Optimization of System for Automatic Recognition of Ischemic Stroke Areas in Computed Tomography Images
Abstract. The paper considers application of stochastic optimization to system of automatic recognition of ischemic stroke area on computed tomography (CT) images. The algorithm of...
Darius Grigaitis, Vaida Bartkute, Leonidas Sakalau...