摘要
对JPEG2000中小波变换的具体算法进行了阐述并在BlackFin芯片(ADSP-BF533)上对算法进行了实现。首先给出小波变换滤波器的基本结构,然后介绍了小波正变换,二维子带系数的分解,垂直、水平方向的子带分解,二维系数的反交错,一维小波变换等步骤如何对原始图像信号进行处理,最后,选用BlackFin芯片(ADSP-BF533)进行了编程实现。
Expatiates on idiographic wavelet - transform algorithm in JPEG2000 and realizes it on the BlaekFin chip （ADSP- BF533）, At first, presents the configuration of wavelet transform filter, and then introduces how the processes deals with signal of the original image wavelet transform, These processes include decomposition of two-dimensional offspring coefficient,vertical and horizontal decomposition of offspring coefficient,inverted interleaving of two-dimensional coefficient, one- dimensional wavelet transform, Lasdy, the algorithm is applied and realized on the BlaekFin chip （ADSP- BF533） by the programme.
出处
《计算机技术与发展》
2006年第8期170-172,共3页
Computer Technology and Development
