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检索条件"主题词=Compression algorithms"
2079 条 记 录,以下是861-870 订阅
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A lossless embedded compression algorithm for high definition video coding
A lossless embedded compression algorithm for high definitio...
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IEEE International Conference on Multimedia and Expo (ICME)
作者: Jaemoon Kim Jungsoo Kim Chong-Min Kyung School of Electrical Engineering & Computer Science KAIST Daejeon South Korea
With a rapid increase of image resolution in recent mobile video systems, the memory bandwidth and power consumption have surfaced as critical problems in video coding. Despite many embedded compression algorithms pro... 详细信息
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Nonlinear Dynamical and Entropic Complexity Measures as Indicators of Nonstationarities in Short-Term ECG Signals
Nonlinear Dynamical and Entropic Complexity Measures as Indi...
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IEEE International Conference on Bioinformatics and Biomedicine (BIBM)
作者: Rafal Ladysz Volgenau School of Information Technology and Engineering George Mason University Fairfax VA USA
Heart rate variability (HRV) is among important characteristics of general cardiac health. While 24-hour Holter monitoring is well recognized as a comprehensive analytical technique, short-term (up to 30 min.) electro... 详细信息
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2D enhanced intra prediction (2DEIP) for high definition image/video coding
2D enhanced intra prediction (2DEIP) for high definition ima...
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IEEE International Symposium on Circuits and Systems (ISCAS)
作者: Yunyang Dai Qi Zhang C.-C. Jay Kuo Ming Hsieh Department of Electrical Engineering and Signal and Image Processing Institute University of Southern California Los Angeles CA USA
An intra prediction (IP) scheme based on 2D geometrical manipulation, called 2DIP, was proposed in to improve the line-based intra prediction (LIP) in H.264/AVC. In this work, we propose ways to reduce the complexity ... 详细信息
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Speed up the Search in Bitmap Based Compressed Sparse Arrays
Speed up the Search in Bitmap Based Compressed Sparse Arrays
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International Conference on Information Management and Engineering, ICIME
作者: Joseph Zalaket Department of computer science Université Saint-Esprit de Kaslik Jounieh Lebanon
MOLAP (multidimensional OLAP) systems are storing data as cubes in multidimensional arrays. Data cubes can be sparse, which slows down the performance of MOLAPs and requests useless additional data storage. Many compr... 详细信息
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A distributed joint source-channel coding scheme for multiple correlated sources
A distributed joint source-channel coding scheme for multipl...
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International Conference on Communications and Networking in China (CHINACOM)
作者: Xuqi Zhu Lin Zhang Yu Liu School of Information and Communication Engineering Beijing University of Posts and Telecommunications Beijing China
Multiple nodes sensing the common target is the most popular application of the Wireless Sensor Networks (WSNs). Pure distributed compression of multiple correlated sources has been discussed much in the related liter... 详细信息
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A note on the estimation of string complexity for short strings
A note on the estimation of string complexity for short stri...
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International Conference on Information, Communications and Signal Processing
作者: Ulrich Speidel Department of Computer Science University of Auckland Auckland New Zealand
While Kolmogorov's well-known results show that absolute string complexity is not computable, its estimation is nevertheless of importance in fields such as randomness testing, data compression evaluation, similar... 详细信息
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A reverse-encoding-based on-chip AHB bus tracer for efficient circular buffer utilization
A reverse-encoding-based on-chip AHB bus tracer for efficien...
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Asia and South Pacific Design Automation Conference
作者: Fu-Ching Yang Cheng-Lung Chiang Ing-Jer Huang Department of Computer Science and Engineering National Sun Yat-sen University Taiwan
The post-T/pre-T trace refers to the trace captured before/after a target point is reached, respectively. Real time compression of the post-T trace in a circular buffer is a challenging problem since the initial state... 详细信息
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Security using Shannon-Fano-Elias codes
Security using Shannon-Fano-Elias codes
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IEEE International Symposium on Circuits and Systems (ISCAS)
作者: Raj S. Katti Ahana Ghosh Department of Electrical and Computer Engineering North Dakota State University Fargo ND USA
In this paper we propose using the compression method, Shannon-Fano-Elias coding, for encryption. Shannon-Fano-Elias codes lend themselves for encryption because code-words depend on the order in which the symbols tha... 详细信息
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Forward adaptive KLT coding
Forward adaptive KLT coding
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Carlos E. Davila Electrical Engineering Department Southern Methodist University Dallas TX USA
A framework for implementing the forward adaptive Karhunen-Loeve Transform (FAKLT) is described. Unlike backward adaptive methods, FAKLT computes transform coefficients using basis vectors derived from the most recent... 详细信息
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Gamut fitting for image composition applications
Gamut fitting for image composition applications
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IEEE International Conference on Image Processing
作者: Wenxian Yang Jianmin Zheng Jianfei Cai School of Computer Engineering Nanyang Technological University Singapore
Existing digital image composition algorithms neglect the out-of-gamut problem, i.e. some pixel values in a composited image exceed the displayable or printable range. In this paper, we show that the commonly used sol... 详细信息
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