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检索条件"主题词=transform coding"
10295 条 记 录,以下是4541-4550 订阅
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Performance Improvement of JPEG2000 Steganography Using QIM
Performance Improvement of JPEG2000 Steganography Using QIM
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International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP)
作者: Takayuki Ishida Kazumi Yamawaki Hideki Noda Michiharu Niimi Department of Systems Design and Informatics Kyushu Institute of Technology Iizuka Japan
This paper presents a modified QIM-JPEG2000 steganography which improves the previous JPEG2000 steganography using quantization index modulation (QIM). Since after-embedding changes on file size and PSNR by the modifi... 详细信息
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Depth pixel clustering for consistency testing of multiview depth
Depth pixel clustering for consistency testing of multiview ...
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European Signal Processing Conference (EUSIPCO)
作者: Pravin Kumar Rana Markus Flierl ACCESS Linnaeus Center School of Electrical Engineering KTH Royal Institute of Technology Stockholm Sweden
This paper proposes a clustering algorithm of depth pixels for consistency testing of multiview depth imagery. The testing addresses the inconsistencies among estimated depth maps of real world scenes by validating de... 详细信息
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Execution trace graph analysis of dataflow programs: Bounded buffer scheduling and deadlock recovery using model predictive control
Execution trace graph analysis of dataflow programs: Bounded...
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Conference on Design and Architectures for Signal and Image Processing
作者: S. Casale-Brunet E. Bezati M. Mattavelli M. Canale J. W. Janneck EPFL SCI-STI-MM Ecole Polytechnique Fédérale de Lausanne Switzerland Dipartimento di Automatica e Informatica Politecnico di Torino Italy Department of Computer Science Lund University Sweden
Execution trace graph analysis of dataflow programs has been demonstrated to be an effective way for exploring and optimizing the design space of many core applications. In this work a novel transformation from the ex... 详细信息
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A LOG-EXP still image compression chip design
A LOG-EXP still image compression chip design
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IEEE International Conference on Consumer Electronics (ICCE)
作者: Sheng-Chieh Huang Liang-Gee Chen Department of Electrical Engineering Taipei Taiwan
In this paper, a fully pipelined single chip is proposed for LOG-EXP still image compression. The design of the LOG-EXP image compression focuses on the high compression ratio of a complex texture (e.g. benchmark imag... 详细信息
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Identification of fragmented JPEG files in the absence of file systems
Identification of fragmented JPEG files in the absence of fi...
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IEEE Conference on Open Systems (ICOS)
作者: Nur Fasihah Abdul Kadir Shukor Abd Razak Hassan Chizari Faculty of Computing Universiti Tecknologi Malaysia Skudai Malaysia
Identifying fragmented and deleted files from scattered digital storage become crucial needs in computer forensic. Storage media experience regular space fragmentation which gives direct consequence to the files syste... 详细信息
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Omnidirectional Image Quality Assessment Database (OMNIQAD): Description and Examples
Omnidirectional Image Quality Assessment Database (OMNIQAD):...
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International Conference on Radioelektronika
作者: Marek Simka Ladislav Polak Jan Kufa Martin Novotny Adam Zizien Karel Fliegel Dept. of Radio Electronics FEEC Brno University of Technology Technicka 12 Brno Czech Republic Dept. of Radioelectronics FEE Czech Technical University in Prague Technicka 2 Prague Czech Republic
This paper introduces a public (OMNIQAD) database of omnidirectional (360°) images distorted by various ways and techniques, which can serve as a basic source for various research in the field of objective and su... 详细信息
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Cost-Effective Hardware Sharing Architectures of Fast 8×8 and 4×4 Integer transforms for H.264/AVC
Cost-Effective Hardware Sharing Architectures of Fast 8×8 a...
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IEEE Asia-Pacific Conference on Circuits and Systems
作者: Chih-Peng Fan Department of Electrical Engineering National Chung Hsing University Taichung Taiwan
In this paper, the novel hardware sharing architectures are proposed for realizations of fast 4times4 and 8times8 forward/inverse integer transforms in the H.264/AVC. Based on matrix factorizations, the cost-effective... 详细信息
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Effects on Statistical Features for Image by Quantization
Effects on Statistical Features for Image by Quantization
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International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIHMSP)
作者: Yanqing Guo Weiwei Quan Yanwu Zhu Xingang You Xiangwei Kong Dalian University of Technology China
The changes of statistical features can be used to detect the existence of secret messages in images. In this paper, it is indicated that statistical distribution of the whole AC coefficients, such as Generalized Gaus... 详细信息
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Source Camera Identification by JPEG Compression Statistics for Image Forensics
Source Camera Identification by JPEG Compression Statistics ...
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IEEE Region 10 International Conference TENCON
作者: Kai San Choi Edmund Y. Lam Kenneth K.Y. Wong Department of Electrical and Electronic Engineering University of Hong Kong Hong Kong China
Source camera identification is the process of discerning which camera has been used to capture a particular image. One approach to this problem is to identify the differences in standard processes among digital camer... 详细信息
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An imaging library for a TriCore based digital camera
An imaging library for a TriCore based digital camera
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Computer Architectures for Machine Perception (CAMP)
作者: A. Chihoub Y.J. Bai V. Ramesh Imaging & Visualization Department Siemens Corporate Research Inc. Germany
In this paper we describe the design and implementation of an efficient and compact image processing library for a digital still camera based on Siemens TriCore microcontroller-DSP processor. The library is designed f... 详细信息
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