Báo cáo hóa học: " Research Article Video Enhancement and Dynamic Range Control of HDR Sequences for Automotive Applications" doc

... 125 × 86 for Sequence 1 and 160 × 120 for Sequence 2, and the frame rate is 24 frame/s for both sequences. The input dynamic range of the cameras is 10 bits/pixel. The output dynamic range we ... Professor of elec- tronics at the Department of Electrical and Electronics Engineering of the University of Trieste, Italy. His research interests include nonlinear d...

Ngày tải lên: 22/06/2014, 19:20

... 0.5% of the range of white and black pixels, which leads to loss of information in the clipped ranges. Figure 8(d) shows the APMF result, and we can see that the craters in the central of image ... x) Combine Enhanced video Figure 1: Framework of proposed universal video enhancement system, consisting of mixed noise filtering and contrast enhancement. (a) Close-up...

Ngày tải lên: 22/06/2014, 01:20

... iη , 2.29 for each iη ∈ iE iE is the set of half-line spectrum of Hλ and α>0, iii for each x ∈ X and iη ∈ iE, the limit lim α → 0 αe αiηt H  α  iη  x 2.30 exists uniformly for t ... the NSF of China 11071042 and the Research Fund for Shanghai Key Laboratory for Contemporary Applied Mathematics 08DZ2271900. References 1 M. Conti, S. Gatti, and...

Ngày tải lên: 21/06/2014, 05:20

... advices and the Department of Math- ematics for providing research facilities. The author also thanks the anonymous referees for their careful reading of the first draft of the manuscript and making ... structure of positive solutions of nonlinear boundary value problems has also been investigated see 26–28 and references therein.MaandAn26 and Ma and Xu 27 dis...

Ngày tải lên: 21/06/2014, 05:20

... h stands for horizontal detail coefficient, k = v standsforverticaldetailcoefficient, l = 1, ,3 ,and( p, q) are the indices of the spatial location under consideration. Note that for an image of size ... examples. 3. Results and Performance for Method I In this section, we evaluate the performance of the proposed fragile watermarking method. For that, we consider the time- frequen...

Ngày tải lên: 21/06/2014, 08:20

... 9 displays the LUT information and structure and is denoted as LH (LUT data header). 3.3. Overhead Information and Data Embedding. The ov er- head information includes two kinds of data; SH is the ... The embedding and extracting diagram and an example for the proposed method: (a) the embedding and extracting diagram of proposed method, (b) an example to illustrate the proce...

Ngày tải lên: 21/06/2014, 08:20

... illustrate a range of performance results for all the MUD schemes considered in this contribution. 6. PERFORMANCE RESULTS In this section, we show a range of BER performance re- sults for the MC ... per user. For example, for the OZF-MUD and OMMSE- MUD as shown in (19 )and( 33), both of them need to com- pute the inverse of a time-variant (K × K) matrices, which has a co...

Ngày tải lên: 22/06/2014, 06:20

... the coefficients of subband LH 2 (LH 1 )of Y are subtracted from the coefficients of subband LH 2 (LH 1 ) of Y  , and the result is scaled down by the value of coefficient of LH 2 (LH 1 )ofY, multiplied ... selected for both host video objects to embed the signals. For simplicity, in the performed experiments, c 1 and c 2 were fixed in all frequency bands and were chosen to...

Ngày tải lên: 21/06/2014, 05:20

... total number of coefficients for video reconstruction, which is approximately 20% of the number of original coefficients. Table 1: The number of stationary and nonstationary blocks within the considered video ... digital still cameras for the unified treatment of still and video compression. Also, it has been used for IP-based video cameras via HTTP streams. Here, we pr...

Ngày tải lên: 21/06/2014, 08:20

... initial noise levels of signals “a”, “b”, “c”, and “d”. The results are the average of 100 instances signal. It is reported for EMD-MMSE and the MMSE filter. The combination of the EMD and the MMSE filter ... obtained for different noise levels of the signals “e”, “f”, “g”, and “h” for the EMD- shrinkage and three-type wavelet method (Haar, Symmlet 4, Daubechies 4). This...

Ngày tải lên: 21/06/2014, 22:20