Báo cáo hóa học: " Research Article Reversible Watermarking Algorithm with Distortion Compensation" potx

... Processing Volume 2010, Article ID 316820, 12 pages doi:10.1155/2010/316820 Research Article Reversible Watermarking Algorithm with Distortion Compensation Vasiliy Sachnev, 1 Hyoung Joong Kim, 2 Sundaram ... hiding algorithm with all possible scenarios and their distortion. 3. Two-Stage Embedding Algorithm Using Histogram Shift ing In the proposed scheme, we can embed...

Ngày tải lên: 21/06/2014, 07:20

... Corporation EURASIP Journal on Advances in Signal Processing Volume 2011, Article ID 184817, 9 pages doi:10.1155/2011/184817 Research Article Robust Watermarking Scheme Using Wave Atoms H. Y. Leung and L. M. ... 113, no. 1, pp. 1–71, 2009. [13] http://www.waveatom.org/. [14] G. Zhu and N. Sang, Watermarking algorithm research and implementation based on DCT block,” World Academy...

Ngày tải lên: 21/06/2014, 08:20

... particular with Fruits, the algorithm is able to embed 867 kbits with a PSNR 33.59 dB, but with only 321 kbits image quality increases at 43.58 dB. It is interesting to verify that with B aboon the algorithm ... the watermarking domain. Section 4 concludes the paper. 2. Fragile Algorithms Fragile algorithms cover the majority of the published works in the field of reversible. W...

Ngày tải lên: 21/06/2014, 17:20

... Corporation EURASIP Journal on Information Security Volume 2007, Article ID 75961, 12 pages doi:10.1155/2007/75961 Research Article Audio Watermarking through Deterministic p lus Stochastic Signal ... “Robust and efficient dig- ital audio watermarking using audio content analysis,” in Pro- ceedings of Security and Watermarking of Multimedia Contents II: Audio Watermarking, vol. 397...

Ngày tải lên: 22/06/2014, 19:20

... for agraphof4verticeswithdifferent edges can be obtained from (15); that is, it has one nonisomorphic graph with zero edge, one nonisomorphic graph with one edge, two noniso- morphic graphs with two edges, ... edges, three nonisomorphic graphs with three edges, two nonisomorphic graphs with four edges, one nonisomorphic graph with five edges, and one nonisomorphic graph with six e...

Ngày tải lên: 21/06/2014, 05:20

... the General Research Fund spon- sored by the Research Grants Council of Hong Kong (Ref. no. CUHK417110), National Natural Science Foundation of China (61005057), and Shenzhen Basic Research Program for ... be solved without difficulty within a general CS framework. In this paper, we make a different modification by expanding the dictionary in a different manner: we first replace L 0 -norm wi...

Ngày tải lên: 21/06/2014, 05:20

... two examples for 1D DCT, one with the length N = 7 and the primitive root g = 3 and the other with the length N = 11 and the primitive root g = 2. 3.1. DCT Algorithm with Length N = 7. We re cursively compute ... Figure 2. 8 EURASIP Journal on Advances in Signal Processing with lengths N = 7andN = 11 with those of the algorithm proposed by Hou [29] and with a direct-form imple...

Ngày tải lên: 21/06/2014, 07:20

... approach, and that the algorithm is robust with respect to the measurement noise. Moreover, we applied the algorithm to experimental data to verify the validity of the estimation algorithm in a realistic ... Cases 3 and 4 deal with the missing data at the start and at the end of the binding process, respectively (i.e., the boundary points corresponding to i = 0andi = K). Case 2 deal...

Ngày tải lên: 21/06/2014, 08:20

... Processing Volume 2010, Article ID 761360, 11 pages doi:10.1155/2010/761360 Research Article Hidden Markov M odel with Duration Side Information for Novel HMMD Derivation, with Application to Eukaryotic ... transition usually starts with an ATG, the exon to junk transition, ends with one of the stop codons {TAA, TAG, TGA}. Nearly all eukaryotic introns start with GT and end w...

Ngày tải lên: 21/06/2014, 08:20

... encoding algorithm (global merging algorithm) with simple maximum decoding and weighted decoding, respectively. Total rate increases by changing p from 0.8to0.95 and weighted decoding is conducted with ... coding without applying the merging Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2010, Article ID 781720, 13 pages doi:10.1155/2010/781720...

Ngày tải lên: 21/06/2014, 08:20