Výsledky vyhľadávania - "Wavelet-based coding"

Scalable Wavelet-Based Coding of Irregular Meshes With Interactive Region-of-Interest Support Autor El Sayeh Khalil, Jonas, Munteanu, Adrian, Lambert, Peter

“…This paper proposes a novel functionality in wavelet-based irregular mesh coding, which is interactive region-of-interest (ROI) support. The proposed approach…”
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Scalable intraband wavelet‐based coding scheme for irregular meshes Autor Toueti, Marouen, Ouled Zaid, Azza

“…Summary This paper describes a novel scalable 3D triangular mesh coding method based on wavelet transform and successive approximation quantization. The…”
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Scalable Intraband and Composite Wavelet-Based Coding of Semiregular Meshes Autor Denis, Leon, Satti, Shahid M, Munteanu, Adrian, Cornelis, Jan, Schelkens, Peter

“… Using the mixture model, we determine theoretically the optimal embedded quantizers to be used in scalable wavelet-based coding of semiregular meshes…”
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Analysis of Adaptive, Entropy and Wavelet based Coding Techniques- A Survey Autor Subramanyan, N., Arunesh, K.

“…Nowadays, communication is becoming an important part of everyday human activity. High-quality digital devices are available to everyone, and usage of…”
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Embedded wavelet-based coding of three-dimensional oceanographic images with land masses Autor Fowler, J.E., Fox, D.N.

“…We describe the wavelets around land masses (WAVAL) system for the embedded coding of three-dimensional (3-D) oceanographic images. These images differ from…”
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Wavelet-based coding of time-varying vector fields of ocean-surface winds Autor Li Hua, Fowler, J.E.

“…Geoscience applications often produce sizable datasets that are vector-valued and increasingly in need of compression algorithms to reduce storage and…”
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Subband and Wavelet-Based Coding Autor Jiang Jean, Tan Lizhe

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Generic wavelet-based image decomposition and reconstruction framework for multi-modal data analysis in smart camera applications Autor Yan, Yijun, Liu, Yiguang, Yang, Mingqiang, Zhao, Huimin, Chai, Yanmei, Ren, Jinchang

“…Effective acquisition, analysis and reconstruction of multi-modal data such as colour and multi-/hyper-spectral imagery is crucial in smart camera applications, where wavelet-based coding…”
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WaSP Encoder with Breakpoint Adaptive DWT Coding of Disparity Maps Autor Mathew, Reji, Taubman, David

“…An encoder architecture that employs view warping and sparse prediction (WaSP) has recently been proposed by the JPEG Pleno standards activity for the…”
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Efficient encryption of wavelet-based coded color images Autor Martin, Karl, Lukac, Rastislav, Plataniotis, Konstantinos N.

“…An efficient, secure color image coder incorporating Color-SPIHT (C-SPIHT) compression and partial encryption is presented. Confidentiality of the image data…”
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Privacy Protected Surveillance Using Secure Visual Object Coding Autor Martin, Karl, Plataniotis, Konstantinos N.

“…This paper presents the Secure Shape and Texture SPIHT (SecST-SPIHT) scheme for secure coding of arbitrarily shaped visual objects. The scheme can be employed…”
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Rate-Distortion Optimized Illumination Estimation for Wavelet-Based Video Coding Autor Haghighat, Maryam, Mathew, Reji, Naman, Aous, Young, Sean, Taubman, David

“…We propose a rate-distortion optimized framework for estimating illumination changes (lighting variations, fade in/out effects) in a highly scalable coding…”
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Lifting-based Illumination Adaptive Transform (LIAT) using mesh-based illumination modelling Autor Haghighat, Maryam, Mathew, Reji, Naman, Aous, Taubman, David

“…State-of-the-art video coding techniques employ block-based illumination compensation to improve coding efficiency. In this work, we propose a Lifting-based…”
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Intraband Wavelet-based coding of arbitrary triangular meshes Autor Toueti, Marouen, Zaid, Azza Ouled

“…A scalable coding scheme for three dimensional irregular meshes is proposed in this paper. Multiresolution analysis of the original triangular mesh is obtained…”
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3D Mesh coding with predefined region-of-interest Autor El Sayeh Khalil, Jonas, Munteanu, Adrian, Lambert, Peter

“…We introduce a novel functionality for wavelet-based irregular mesh codecs which allows for prioritizing at the encoding side a region-of-interest (ROI) over a…”
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Hybrid Fractal-Wavelet Method for Multi-Channel EEG Signal Compression Autor Saeedi, Jamal, Faez, Karim, Moradi, Mohammad Hassan

“… This new method takes advantage of two different compression techniques: fractal and wavelet-based coding…”
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Secure Wavelet-Based Coding of Images, and Application to Privacy Protected Video Surveillance Autor Martin, Karl

“…The protection of digital images and video from unauthorized access is important for a number of applications, including privacy protection in video…”
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TME12/400: Application Oriented Wavelet-based Coding of Volumetric Medical Data Autor Menegaz, G, Grewe, L, Lozano, A, Thiran, J-Ph

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Theoretical distortion estimation in L-infinite wavelet-based coding of semi-regular meshes Autor Florea, R., Denis, L., Lievens, J., Schelkens, P., Munteanu, A.

“… In this context, an upper bound formulation for the L-infinite distortion for a wavelet-based coding scheme operating on semi-regular meshes is derived…”
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Comparison of wavelet-based codes with linear cyclic codes Autor Levina, Alla B., Boyko, Sergey V.

“…Error-correcting codes, such as classical BCH codes, are widely used in noisy channels, but emerging wavelet-based approaches offer adaptive alternatives. This…”
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