外文翻译-运动图像和运动矢量检测综述

英 文 翻 译 系 别 专 业 班 级 学生姓名 学 号 指导教师 A N F to in an in as or It be is in be A. to of to is by et of to a in an In a is as a of as of to to s by is et 11 an in to in is at of a A is of or of on a of or of is As as is as MS by at by in a as as at -D of be (-D of an of of a or B. by as in at of of et in a a a on a as in et to to et to In to or is at of -D of an on is a A is to of it to C. of by be to of in of et a of A is a is as as as of be is in in a of be In et 34, an of an is on of of on a of a is by a In as -D to of in be in of by on in of -D is of s to -D of of of is D. by to or As no we no is as it is in a of is to is A is to to is or is is to in to be of of of on is as A of is of a of be in of is in of so is to of a as et a to a of of a in 2-D of is to in an -D or Ju et a in by a of of is to of et YT to by of a of in by of of a is by a is -D of -D is on To -D as to 28 of to a -D et a 3-D et a It B. of in of as to to or to of a of is et a is to a is to a et s et CA to is on of in a of et a it C. in a is to of to of -D of as of of -D of on an of to to It at As a of in in of be To to be to in is 2. As to 3-D at -D at -D et to on of of to of et a on a to et 1of by As to of in an -D in et a of at et a -D in in as of is by a et an on an In of As is a of of a -D in in an in is a of is is on of et an on in in an by at in an is of a a be et et s on on in of on of So of By of of -D or of or As as is of of be As -D is up -D -D by -D of -D be as of u, N : 34, 3, 004 运动图像和运动矢量检测综述 经过运动检测，监控系统一般会在图像序列中一帧一帧地跟踪着运动目标。跟踪算法在处理过程中通常会与运动检测有很大的交叉。跟踪通常需要使用诸如点，线或块特征来匹配连续帧的目标。常用的数学工具有卡尔曼滤波，法，动态贝叶斯网络，测地线法等。跟踪方法可分为四大类：基于区域的跟踪，基于动态轮廓的跟踪，基于特征跟踪和基于模型的跟踪。应当指出，这种分类不是绝对的，在不同类别的算法可以集成在一起。 A、基于区域的跟踪 基于区域的跟踪算法跟踪 目标是以移动目标对应的图像区域变化为根据的。对于这些算法，背景图像是保持动态的，运动区域通常由背景相差法检测到。 利用小区域特征进行室内单人的跟踪。文中将人体看作由头、躯干、四肢等身体部分所对应的小区域块所组成 ， 利用高斯分布建立人体和场景的模型 ， 属于人体的像素被规划于不同的身体部分 ， 通过跟踪各个小区域块来完成整个人的跟踪 。最近， 在 中利用色彩和梯度信息建立自适应的背景模型 ， 并且利用背景