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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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APFC
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- 2013-08-23 15:18:01下载
- 积分:1
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move_windowS1
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- 2020-06-29 15:40:02下载
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sin_interp
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- 2008-04-15 11:08:02下载
- 积分:1
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matlab
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- 2010-12-25 01:24:30下载
- 积分:1
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tongxinxitongfangzhen
matlab的 通信 系统仿真,希望对大家又帮助(Matlab communications system simulation, we also hope to help)
- 2006-06-03 10:47:59下载
- 积分:1
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GAtoolbox_matlab
source code for jssp problem in MATLAb
- 2010-05-14 17:49:55下载
- 积分:1
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chap2
matlab图像处理实例详解chap2——matlab基础(matlab image processing example explanation chap2- matlab basic)
- 2013-11-06 14:16:48下载
- 积分:1
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Matlab
Matlab作业(四连杆机构仿真调试)基于Simulink 仿真的振动学问题解决实例(Matlab jobs (four bar linkage simulation debugging))
- 2021-03-11 17:29:26下载
- 积分:1
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AMESim_Solution_for_vehicle-matching
整车能量管理(VEM)虚拟仿真平台 LMS Imagine.Lab AMESim 车辆匹配与节能减排方面的解决方案(AMESim Solution for vehicle matching and fuel reduction)
- 2013-05-28 21:54:09下载
- 积分:1