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• OAI收割 [15]
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浏览/检索结果: 共16条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 A reversible data hiding method based on bitmap prediction for AMBTC compressed hyperspectral images 期刊论文  OAI收割 JOURNAL OF INFORMATION SECURITY AND APPLICATIONS, 2024, 卷号: 81, 页码: 15 作者:  Zhang, Xiaoran;  Pan, Zhibin;  Zhou, Quan;  Fan, Guojun;  Dong, Jing   |  收藏  |  浏览/下载：26/0  |  提交时间：2024/03/27 Absolute moment block truncation coding  (AMBTC)  Hyperspectral images  Reversible data hiding (RDH)  Prediction of bitmap  Adaptive embedding order  Dynamical embedding scheme   A reversible data hiding method based on bitmap prediction for AMBTC compressed hyperspectral images 期刊论文  OAI收割 JOURNAL OF INFORMATION SECURITY AND APPLICATIONS, 2024, 卷号: 81 作者:  Zhang, Xiaoran;  Pan, Zhibin;  Zhou, Quan;  Fan, Guojun;  Dong, Jing   |  收藏  |  浏览/下载：48/0  |  提交时间：2024/03/26 Absolute moment block truncation coding  (AMBTC)  Hyperspectral images  Reversible data hiding (RDH)  Prediction of bitmap  Adaptive embedding order  Dynamical embedding scheme   Secured Data Transmission Over Insecure Networks-on-Chip by Modulating Inter-Packet Delays 期刊论文  OAI收割 IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, 2022, 卷号: 41, 期号: 11, 页码: 4313-4324 作者:  Xu, Jiaen;  Wang, Xiaohang;  Jiang, Yingtao;  Singh, Amit Kumar;  Gu, Chongyan   |  收藏  |  浏览/下载：14/0  |  提交时间：2023/07/12 Block coding  inter-packet delay  network-on-chip (NoC)  secure channel   Scalable Intra Coding Optimization for Video Coding 期刊论文  OAI收割 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, 2022, 卷号: 32, 期号: 10, 页码: 7092-7106 作者:  Zhang, Jiaqi;  Wang, Meng;  Jia, Chuanmin;  Wang, Shanshe;  Ma, Siwei   |  收藏  |  浏览/下载：14/0  |  提交时间：2023/07/12 Encoding  Complexity theory  Optimization  Standards  Transforms  Electronic mail  Urban areas  AVS3  block partition  inherited information  intra coding optimization   An ACP-Based Parallel Approach for Color Image Encryption Using Redundant Blocks 期刊论文  OAI收割 IEEE TRANSACTIONS ON CYBERNETICS, 2021, 页码: 16 作者:  Zheng, Wenbo;  Yan, Lan;  Gou, Chao;  Wang, Fei-Yue   |  收藏  |  浏览/下载：20/0  |  提交时间：2022/01/27 Encryption  DNA  Color  Resists  Computational modeling  Image coding  Complex systems  Artificial image and parallel execution (ACP) method  color image encryption  computational experiment  image division block  parallel computing   Early DIRECT mode decision based on all-zero block and rate distortion cost for multiview video coding 期刊论文  OAI收割 IET IMAGE PROCESSING, 2016, 卷号: 10, 期号: 1, 页码: 9-15 作者:  Pan, Zhaoqing;  Zhang, Yun;  Lei, Jianjun;  Xu, Long;  Sun, Xingming 收藏  |  浏览/下载：32/0  |  提交时间：2016/11/08 video coding  rate distortion theory  computational complexity  redundancy  early DIRECT mode decision algorithm  all-zero block  rate distortion cost  multiview video coding  exhaustive variable-block-size mode decision  redundancy removal  computational complexity  MVC encoder  real-time multimedia applications  MB spatial-temporal  macroblock spatial-temporal  time saving  RD performance degradation   An image matching algorithm based on sub-block coding (EI CONFERENCE) 会议论文  OAI收割 2nd International Workshop on Computer Science and Engineering, WCSE 2009, October 28, 2009 - October 30, 2009, Qingdao, China 作者:  Li S. 收藏  |  浏览/下载：31/0  |  提交时间：2013/03/25 In order to improve the speed of matching algorithm and simplify the processing of existing sub-block coding matching  a new template matching method combined local gray value encoding matching and phase correlation is proposed. Matching process is divided into rough matching and fine matching. Rough matching divides the image into certain size blocks called R-block  sums the gray value of each R-block pixel  encodes the R-block according to the gray value distribution of R-block with the adjacent R-block  and matches by step between the template and each search sub-image. Then  fine matching results are obtained using phase correlation according to initial match parameters. The time complexity of the proposed method is (M2) .The new algorithm is faster than traditional algorithm by two orders of magnitude  and the speed has improved twice compared with existing sub-block coding method. Experiments demonstrate that the new algorithm is robust to the linear transformation of pixel grey value and image noise  and it also has the stability of small-angle rotation. 2009 IEEE.   Study of unequal error protection method based on JPEG2000 for surveyingmapping image (EI CONFERENCE) 会议论文  OAI收割 International Conference on Computer Science and Software Engineering, CSSE 2008, December 12, 2008 - December 14, 2008, Wuhan, Hubei, China Yao Q.; Cao M. 收藏  |  浏览/下载：155/0  |  提交时间：2013/03/25 On aviation mapping  compression image maybe not decode because of wireless transmission interference. UEP(Unequal Error Protection) scheme is put forward about layer and block structure of JPEG2000 image compression method  flexibly enhances local reconfigurable image's quality which is in favor of identifier in the region of interest. 2008 IEEE.  and realizes three degrees UEP of data block  data header  image data via various degrees correction-coding under the condition of obstruct  naked and shade. BCH  RS and Hamming coding are simulated  and image decoding success rate and image's quality are analyzed according to different coding and ROI (Region of Interest) in the Gaussian white noise model and rayleigh fading model. Results shows that the method we putted forward roughly improves decoding success rate  at the same time  almost not increasing bandwidth   Wavelet-based contourlet coding using SPECK algorithm (EI CONFERENCE) 会议论文  OAI收割 2008 9th International Conference on Signal Processing, ICSP 2008, October 26, 2008 - October 29, 2008, Beijing, China Xiu-Wei T.; Xi-Feng Z.; Tie-Fu D. 收藏  |  浏览/下载：54/0  |  提交时间：2013/03/25 We proposed a new still image compression algorithm called CSPECK witch was constructed by the wavelet-based contourlet transform (WBCT) and set partitioning embedded block coding (SPECK). In the WBCT  the high frequency sub-band decomposed by the wavelet transform was further decomposed into multiple directional sub-bands by directional filter bank so as to explain the edge and texture of the image more sparsely. The SPECK algorithm exhibits lower complexity and more efficient compression ratio than SPIHT based on WBCT. Experimental results demonstrate that the proposed method is efficient in coding images that possess mostly textures and contours. The simulation results also show that this new coding algorithm increases the PSNR over CSPIHT. 2008 IEEE.   Block-wise adaptive motion accuracy based b-picture coding with low-complexity motion compensation 期刊论文  iSwitch采集 Ieee transactions on circuits and systems for video technology, 2007, 卷号: 17, 期号: 8, 页码: 1085-1090 作者:  Ji, Xiangyang;  Zhao, Debin;  Gao, Wen 收藏  |  浏览/下载：16/0  |  提交时间：2019/05/10 Block-wise adaptive motion accuracy (bama)  B-picture  Mc interpolation  Video coding