[1]张爱华,常康康. 基于DCT快速变换的图像压缩编码算法[J].计算机技术与发展,2014,24(07):92-94.
　ZHANG Ai-hua,CHANG Kang-kang. A Fast Image Compression Coding Algorithm Based on DCT[J].,2014,24(07):92-94.
点击复制

 基于DCT快速变换的图像压缩编码算法()
分享到：

《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
24
期数:
2014年07期
页码:
92-94
栏目:
智能、算法、系统工程
出版日期:
2014-07-10

文章信息/Info

Title:
 A Fast Image Compression Coding Algorithm Based on DCT
文章编号:
1673-629X（2014）07-0092-04
作者:
 张爱华; 常康康
 南京邮电大学 理学院
Author(s):
 ZHANG Ai-hua；CHANG Kang-kang
 image compression；discrete cosine transform；PSNR；fast Fourier transform
关键词:
 ; 图像压缩; 离散余弦变换; 峰值信噪比; 快速傅里叶变换
分类号:
TP301.6
文献标志码:
A
摘要:
 在JPEG标准中，基于图像压缩的有损压缩算法中的离散余弦变换( DCT)，应用于很多图像压缩场合，并且在实际操作中，能获得较高的压缩比，同时压缩后的图像与原始图像的视觉效果基本相同，因此得到了广泛应用。为了达到提高图像质量的目的，文中提出了一个基于二维离散余弦变换( DCT)的图像压缩改进算法，该算法通过设置量化系数来控制图像压缩数组的大小。同时，在图像压缩部分利用DCT快速算法。仿真实验结果表明：该算法进一步提高了图像的峰值信噪比( PSNR)和主观视觉质量。
Abstract:
 In the JPEG standard,the Discrete Cosine Transform ( DCT) in lossy compression algorithm based on image compression,is applied in many image compression fields,and in actual operation,can obtain higher compression ratio,the visual effect of compressed images is basically same to the original image,therefore has been widely applied. In order to achieve the objective of improving image quality,a fast image compression coding algorithm based on two dimensional DCT is proposed in this paper. In the proposed algorithm, the compressed image data array is limited to a certain length by setting a quantization coefficient,meanwhile a fast DCT algorithm is used in the image compression process. The simulation result shows this algorithm can improve the PSNR and subjective visual quality for image further.

相似文献/References:

[1]郭文勇 孙怡 濮怀宇.一种图像不同区域的编解码压缩算法[J].计算机技术与发展,2009,(08):127.
　GUO Wen-yong,SUN Yi,PU Huai-yu.An Image Compression Algorithm for Different Regions[J].,2009,(07):127.
[2]陈玮 杨名利.基于FPGA的JPEG2000自适应算术编码器设计[J].计算机技术与发展,2006,(10):211.
　CHEN Wei,YANG Ming-li.Design of JPEG2000 Arithmetic Encoder Based on FPGA[J].,2006,(07):211.
[3]肖夏子 马永杰 许国威.SPIHT与SPECK压缩算法的研究[J].计算机技术与发展,2011,(01):81.
　XIAO Xia-zi,MA Yong-jie,XU Guo-wei.Research of SPIHT and SPECK Compression Algorithms[J].,2011,(07):81.
[4]肖夏子 王珂 马永杰.X_射线图像压缩算法的研究[J].计算机技术与发展,2011,(06):98.
　XIAO Xia-zi,WANG Ke,MA Yong-jie.Research of X-ray Image Compression Algorithm[J].,2011,(07):98.
[5]马媛媛 杨峰 信科 焦方超.基于DCT的JPEG图像压缩的研究[J].计算机技术与发展,2011,(08):133.
　MA Yuan-yuan,YANG Feng,XIN Ke,et al.Research of JPEG Image Compression Based on DCT[J].,2011,(07):133.
[6]张爱华 杨培 盛飞 常康康.利用相对误差排序的快速分形编码算法[J].计算机技术与发展,2012,(12):105.
　ZHANG Ai-hua,YANG Pei,SHENG Fei,et al.A Fast Fractal Encoding Algorithm with Relative Error-ordered[J].,2012,(07):105.
[7]陆望,王友国.改进匹配追踪算法及其在图像压缩中的应用[J].计算机技术与发展,2013,(08):234.
　LU Wang,WANG You-guo.Improved Matching Pursuit Algorithms and Application in Image Compression[J].,2013,(07):234.
[8]张志宏,吴庆波,邵立松,等.基于飞腾平台TOE协议栈的设计与实现[J].计算机技术与发展,2014,24(07):1.
　ZHANG Zhi-hong,WU Qing-bo,SHAO Li-song,et al. Design and Implementation of TCP/IP Offload Engine Protocol Stack Based on FT Platform[J].,2014,24(07):1.
[9]梁文快,李毅. 改进的基因表达算法对航班优化排序问题研究[J].计算机技术与发展,2014,24(07):5.
　LIANG Wen-kuai,LI Yi. Research on Optimization of Flight Scheduling Problem Based on Improved Gene Expression Algorithm[J].,2014,24(07):5.
[10]黄静,王枫,谢志新,等. EAST文档管理系统的设计与实现[J].计算机技术与发展,2014,24(07):13.
　HUANG Jing,WANG Feng,XIE Zhi-xin,et al. Design and Implementation of EAST Document Management System[J].,2014,24(07):13.
[11]张方舟,王徐研,郝庆辉. 基于遗传分形编码的嵌入式小波图像编码算法[J].计算机技术与发展,2015,25(01):128.
　ZHANG Fang-zhou,WANG Xu-yan,HAO Qing-hui. Embedded Wavelet Image Coding Algorithm Based on a Genetic Fractal Coding [J].,2015,25(07):128.
[12]刘作志,刘欢,林耀海. 基于极限学习机的图像压缩算法[J].计算机技术与发展,2015,25(05):13.
　LIU Zuo-zhi,LIU Huan,LIN Yao-hai. Image Compression Algorithm Based on Extreme Learning Machine[J].,2015,25(07):13.
[13]严珍珍,刘建军. 基于离散余弦变换的图像压缩编码方法及改进[J].计算机技术与发展,2016,26(01):147.
　YAN Zhen-zhen,LIU Jian-jun. Improved Image Compression Coding Method Based on Discrete Cosine Transform[J].,2016,26(07):147.
[14]任荣梓,高航. 基于混沌置乱的分量融合图像加密压缩方法[J].计算机技术与发展,2017,27(08):106.
　REN Rong-zi,GAO Hang. An Image Encryption and Compression Method Based on Chaos Scrambling with Component Fusion[J].,2017,27(07):106.

更新日期/Last Update: 2015-03-13