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Efficient architectures for 1-D and 2-D lifting-based wavelet transforms
TLDR
The lifting scheme reduces the computational complexity of the discrete wavelet transform by factoring the wavelet filters into cascades of simple lifting steps that process the input samples in pairs. Expand
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Error resiliency schemes in H.264/AVC standard
TLDR
The H.264/AVC video coding standard aims at achieving improved compression performance and a network-friendly video representation for different types of applications, such as conversational, storage and streaming. Expand
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A critical evaluation of image and video indexing techniques in the compressed domain
TLDR
In this paper, we present a critical review of the compressed domain indexing techniques proposed in the literature. Expand
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Image Indexing Using Moments and Wavelets
TLDR
We propose two techniques to improve the performance of the basic histogram/moment-based technique by using orthogonal Legendre moments for representing histograms. Expand
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VLSI implementation of discrete wavelet transform
TLDR
This paper presents a VLSI implementation of discrete wavelet transform (DWT). Expand
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Novel wavelet-based QIM data hiding technique for tamper detection and correction of digital images
TLDR
This paper proposes a tamper detection and correction technique using semi-fragile data hiding that aims to achieve high perceptual quality of images at the user-end even after malicious modifications. Expand
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Human Activity Recognition Based on Silhouette Directionality
TLDR
A novel, nonmodel silhouette directionality-based algorithm for human activity recognition assuming limited occlusion. Expand
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Novel coarse-to-fine dual scale technique for tuberculosis cavity detection in chest radiographs
TLDR
We propose an efficient coarse-to-fine dual scale technique for cavity detection in chest radiographs for tuberculosis (TB) cavity detection. Expand
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A robust detector of known signal in non-Gaussian noise using threshold systems
TLDR
We propose a threshold-system-based detector for detecting a known deterministic signal in independent non-Gaussian noise whose probability density function (pdf) is unknown but is symmetric and unimodal. Expand
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Multimedia Signals and Systems
1. Introduction. Part I: Multimedia Signals. 2. Audio fundamentals. 3. The human visual system and perception. 4. Multimedia data acqisition. Part II: Signal Processing and Compression. 5. TransformsExpand
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