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dctshuiyin
数字水印DCT嵌入与提取水印matlab实现实例！(Digital Watermarking DCT watermark embedding and extraction matlab examples realize!)
- 2007-10-29 17:30:19下载
- 积分：1
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matlabzixiangguan
用matlab产生自相关系数固定的序列,然后再观察其功率谱密度.(using Matlab correlation coefficient derived from the fixed sequence, and then observed its power spectral density.)
- 2006-10-22 01:06:41下载
- 积分：1
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PSD_AAR5_GandR
美国轨道谱AAR5铁路轨道空间谱生成程序，主要生成轨距不平顺性。(generate the AAR5 track Rolling and gauge Irregularity)
- 2021-03-14 15:29:23下载
- 积分：1
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Matlabtongjigongjuxiang
对于数据的分类和处理有很大帮助的函数用法。(Be of great help for the classification of the data and processing functions usage.)
- 2013-03-30 20:28:33下载
- 积分：1
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plate-tilt-correction
说明： 车牌倾斜校正程序，将车牌边界与图像边界不平行的图像进行旋转，使其平行，可用于车牌识别。(Plate tilt correction procedure, the plate boundary is not parallel with the image border to rotate the image, a parallel can be used for license plate recognition.)
- 2011-03-01 09:26:38下载
- 积分：1
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rainfall_forcast
Prediction of rainfall using past data
- 2013-03-18 02:27:43下载
- 积分：1
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DCT_IDCT
to understand the Algorithm go to matlab help in page dct2 and idct2 to get the mathematical expression
for M = N = 8, we can calculate the most of hard values and save it as LUTs to speed up the execution
now compare our special 8X8 functions with the internal general functions
use this code:
A = int32(100*rand(8,8))
tic for i = 1 : 1000 IDCT_8X8(DCT_8X8(A)) end toc
tic for i = 1 : 1000 idct2(dct2(A)) end toc
i had built the general functions too, but with low speed (to understand the Algorithm go to matlab help in page dct2 and idct2 to get the mathematical expressionfor M = N = 8, we can calculate the most of hard values and save it as LUTs to speed up the executionnow compare our special 8X8 functions with the internal general functionsuse this code: A = int32 (100* rand (8,8)) tic for i = 1: 1000 IDCT_8X8 (DCT_8X8 (A)) end toc tic for i = 1: 1000 idct2 (dct2 (A)) end toc i had built the general functions too, but with low speed)
- 2007-12-05 18:28:42下载
- 积分：1
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kalman
matlab仿真，对卡尔曼滤波器的性能分析，包括均方误差等(matlab simulation, the performance of the Kalman filter analysis, including mean square error, etc.)
- 2010-12-06 11:03:29下载
- 积分：1
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recognition
进行实时录音，语音识别，基于matlab开发环境的源代码(Real-time recording, speech recognition)
- 2011-05-26 21:22:40下载
- 积分：1
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automatic
matlab程序，自动多阈值分割，本方法较好用适合，经本人亲自验证(matlab program, automatic multi-threshold segmentation, the method used for good, I personally verified by the)
- 2010-10-11 19:24:19下载
- 积分：1
