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mfiles
[精通MATLAB.6.5版]书籍附带的源代码([Proficient MATLAB.6.5 Edition] books accompanying source code)
- 2013-01-22 12:46:31下载
- 积分：1
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David_DE_aresult
基于MATLAB差分进化算法的优化问题求解程序，算法内容及结果。(MATLAB offset optimization problem solving program based on evolutionary algorithm, algorithm of contents and results.)
- 2014-11-29 20:03:30下载
- 积分：1
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3
说明： The back lifting discrete wavelet transform using the 9-7 Antonini filters
- 2013-02-13 00:42:26下载
- 积分：1
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JPEGimageCompressiontechniquesimplementationandopt
摘 要
文章以空间监控系统为背景,深入研究了JPEG图像压缩标准的实现方法,并基于FPGA对其进行了实现和优化。文中给出了详细的实现方法和优化过程,测试表明达到了很好的效果。
简单介绍了有损静态图像压缩当前有两种比较流行的标准JPEG和JPEG2000。说明了用JPEG方法压缩的原因。
介绍JPEG基本原理：JPEG对灰度图像的压缩处理过程主要包括:图像分割,离散余弦变换(DCT),量化(Quantization),“Z”形排序(Zigzag Scan),差分脉冲编码调制(Differential Pulse Code Modulation,DPCM)对直流系数(DC),行程长度编码(Run-Length Encoding,RLE)对交流系数(AC),霍夫曼(Huffman)编码等。
JPEG标准的特点是离散余弦变换。
比较详细介绍压缩系统的构成和实现。实现提及步骤， JPEG压缩模块设计和编码模块实现细节。
(Abstract
Article in the space monitoring system for the background, in-depth study of the JPEG image compression standard implementation methods and carried out based on FPGA implementation and optimization. In this paper, a detailed method of implementation and optimization of the process, testing showed that to achieve good results.
Easy introduction of harmful static image compression has two kinds of comparisons that the current popular standard JPEG and JPEG2000. Illustrated by the reasons for JPEG compression method.
JPEG introduce the basic principles: JPEG compression of gray-scale image processing include: image segmentation, discrete cosine transform (DCT), quantization (Quantization), "Z"-shaped sort (Zigzag Scan), differential pulse code modulation (Differential Pulse Code Modulation, DPCM) on the DC coefficient (DC), Run Length Encoding (Run-Length Encoding, RLE) of the exchange coefficient (AC), Hoffman (Huffman) coding.
JPEG standard is characterized by discrete )
- 2009-03-29 08:39:04下载
- 积分：1
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thresholding_of_grayscale_images
find the threshold value of the gray scale image.
- 2009-12-04 15:28:36下载
- 积分：1
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svr
实现支持向量回归，能够实现小样本的回归预测分析(Regression analysis to realise the prediction base on small sample)
- 2013-11-29 10:47:05下载
- 积分：1
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cast
瑞利分布信号直方图的产生已经仿真，已经调试通过。(Rayleigh distribution histogram has generated signal simulation, debugging has been passed.)
- 2015-04-05 15:33:36下载
- 积分：1
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MOM_MATLAB_ANTENNA
MOM MATLAB RWG奇函数
用MATLAB语言写的矩量法程序，用于计算线天线或面天线的电路参数和辐射参数。(MOM MATLAB RWG odd function using MATLAB language to write procedures moment method for calculating antenna or antenna circuit parameters, and radiation parameters.)
- 2020-07-04 12:40:02下载
- 积分：1
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jktrans
J-K变换器综合滤波器各级K值对应的散射矩阵的S参数对应值-适合做射频微波领域滤波器的相关人士使用(S parameter corresponds to the value of the J-K converter integrated filter K values at all levels of the corresponding scattering matrix- stakeholders suitable for RF and microwave filters using field
)
- 2016-06-15 11:36:45下载
- 积分：1
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QAM_64
MATLAB coding for 64 QAM is given
- 2011-10-18 17:10:58下载
- 积分：1
