Báo cáo hóa học: " Research Article Hybrid Modeling of Intra-DCT Coefficients for Real-Time Video Encoding" ppt

... group of algorithms processes videos from various sources (movies, home videos, T V programmes, surveillance videos, etc.) and extracts a wealth of useful information. A large cluster of algorithms ... analysis in sport videos or crowd-scene analysis, etc.). Finally, a number of techniques aim at deriving information regarding physical characteristics of humans, mainly in the form...

Ngày tải lên: 22/06/2014, 00:20

... pages doi:10.1155/2008/749172 Research Article Hybrid Modeling of Intra-DCT Coefficients for Real-Time Video Encoding Jin Li, Moncef Gabbouj, and Jarmo Takala Faculty of Computing and Electrical ... characteristics of the proposed method and the reference codec [14] for (a) Foreman, (b) Glasgow, (c) Akiyo, and (d) Miss America. Additional operations are performed for...

Ngày tải lên: 22/06/2014, 00:20

... attack. The detection of this attack is used as a test case for examining the performance of mutual information-based detection. The mutual information of the time series of the aver- age link ... potential utility of signal processing techniques such as mutual information for the detection of network traffic anomalies. A comprehensive examination of the performance in terms...

Ngày tải lên: 22/06/2014, 23:20

... examples of uniformly smooth spaces are the Lebesgue L p , the sequence  p , and Sobolev W m p spaces for 1 <p<∞. In particular, for 1 <p≤ 2, these spaces are p- uniformly smooth and for ... view of Example 1.4, t he class of Φ-hemicontractive mappings is a proper subset of the class of generalized Φ-hemicontractive mappings. Hence, Theorem 3.4 improves essentially t...

Ngày tải lên: 21/06/2014, 11:20

... examples of uniformly smooth spaces are the Lebesgue L p , the sequence  p , and Sobolev W m p spaces for 1 <p<∞. In particular, for 1 <p≤ 2, these spaces are p- uniformly smooth and for ... Theorem 2 in uniformly smooth real Banach spaces. Acknowledgment The work was partially supported by the Specialized Research Fund 2010 for the Doctoral Program of Anhui Universit...

Ngày tải lên: 21/06/2014, 11:20

... of our approach for the subgoal of extracting the multiple foreground objects. The next set of experiments demonstrates the effectiveness of our entire approach for the unsupervised learning of ... transform that transforms a to A. β A is the result of the transformation of b a (the relative location of b with respect to a in image 1 ) under φ a . β is thus the estimated lo...

Ngày tải lên: 22/06/2014, 00:20

... efficacy of our method. 4. DISCUSSION The method was designed for images of settled filamen- tous specimens gradually elongating over time. In the case of nonuniform speed of growth, additional information, ... exhibit global deformations, it is defined simply as p m (x) = x. 3. RESULTS The performance of the proposed method was tested on a set of light microscopy images of the ea...

Ngày tải lên: 22/06/2014, 19:20

... pages doi:10.1155/2011/703239 Research Article Experimental Characterization of a UWB Channel for Body Area Networks Lingli Xia, Stephen Redfield, and Patrick Chiang VLSI Research Group, Oregon State ... cc2500). Knowledge of the channel model for UWB transmission is critical for any robust transceiver system. Moreover, body area networks exhibit unique radio propagation charac...

Ngày tải lên: 21/06/2014, 07:20

... #71 (c) Figure 4: Visual landmarks detection results: (a) frames of video sequence #1, (b) frames of video sequence #2, and (c) frames of video sequence #3. Representing ellipses have been chosen to ... object deformations, partial occlusions, and changes of illumination. Finally, it can be noted that the focus of attention is directed at certain frames to uninterested regions...

Ngày tải lên: 21/06/2014, 09:20

... 13 (a) (b) (c) 110 111 101 010 000 001 011 100 110 111 101 010 000 001 011 100 Center of upper cube Center of front cube Center of back cube Center of down cube Center of left cube Center of right cube Figure 9: Extracting nodes from ... did not change formation, and a three-party session key of the triangle composed of the three remaining nodes of the tetrahedron that the l...

Ngày tải lên: 21/06/2014, 11:20