小波分析是目前国际上最新的时频分析工具，在图像处理方面有着广泛地

应用。分形概念的出现为人们认识事物的局部与整体的关系提供了一种辨证的

思维方式，分形维是其主要的定量特征。小波分析是采用局部对整体依赖性的

系统方法，而分形则研究局部信号以确定信号的整体特性-Wavelet

analysis

is

internationallyrecognizedup

totheminutetoolfor

allalyzing

time-frequency，And

it was

widely

used in

image

and

signal。Theappearance

of

fractal

provides

anew

perspective

for

integrated

andlocal

relationship

of

things,and

fractaidimensionis themaincharacteristicsofit。wavelethas

predestinedrelationship

、访mfractai after the

apperance

ofthem，wavelet is

studymg

on the mthodof local’S

dependence

onwhole，andfractal is

studying

onthe local

si簪,ai

to determinate the

whole feature of

signal，they

botheoncernon

the local details of

objects。In

this

paper，wemainly

discuss the

application

in

imageprocessing

basedonthewavelet

andfractal。Thefundamentaltheoriesofwaveletandfractalalediscussedindetail，

Thefast

algorithm

ofdiscrete

dyadic

wavelettransformandthecalculationoffractal

parametem

are

given