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amesim
amesim和matlab simulink联合仿真设置方法及多个精彩例程(AMESim and matlab simulink simulation set up a joint approach and a number of exciting routines)
- 2007-08-24 12:51:37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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LMS_RLS_AP
对于一阶系统辨识,分别采用LMS、RLS、仿射投影算法来估计参数(For a first-order system identification, respectively, using LMS, RLS, affine projection algorithm to estimate the parameters)
- 2013-12-14 12:40:31下载
- 积分:1
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sound
固定个数,不动点ICA算法的语音信号盲源分离(A fixed number of fixed point ICA algorithm speech signal blind source separation)
- 2015-04-13 08:00:02下载
- 积分:1
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经典例子
说明: matlab,gui 经典例子,学习很有用,(GUI classic examples, learning is very useful)
- 2020-07-13 17:05:28下载
- 积分:1
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b1
说明: license plate recognition
- 2010-04-06 20:39:35下载
- 积分:1
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simulink
简明扼要介绍simulin的资料,适合新手入门(Concise introduce simulin information, suitable for beginners)
- 2012-05-03 09:35:33下载
- 积分:1
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model
lecture for enginner induction motor
- 2011-01-25 06:24:03下载
- 积分:1
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emd_visu
说明: 用来显示EMD的小程序,希望大家能够喜欢。(EMD small program used to display, I hope you will enjoy it.)
- 2010-04-30 09:50:58下载
- 积分:1
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Untitled
人脸检测,人脸识别的matlab代码。主要是人脸定位。(Face detection, face recognition matlab code. Mainly face positioning.)
- 2011-11-13 20:35:44下载
- 积分:1