- 1、本文档共75页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
[理学]DIP-Lecture7图像编码2-运动图像压缩概念motion image compression数字图像处理
6 Motion Picture Compression The need for compression The need for compression 帧内压缩 运动检测 Motion estimation Block Matching Techniques Matching Criteria Matching Criteria (cont.) Fast Search (Reduced Search) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Fast Search (Reduced Search)(cont.) Analytic Methods(解析法) Analytic Methods(cont.) Discrete Approximation Discrete Approximation(cont.) Recursive Methods(像素)递归法 Recursive Methods递归法 Recursive Methods(cont.)递归法 Recursive Methods(cont.)递归法 Effectiveness Of RecursiveMC Effectiveness Of RecursiveMC Effectiveness Of RecursiveMC Interframe Coding Interframe Coding Motion-CompensatedCoding Motion-CompensatedCoding (cont.) 6.15 Motion-CompensatedInterpolation Model-Based Image Coding Model-Based Image Coding Facial Expression Synthesis Facial Expression Synthesis(cont.) Object-Oriented ImageCoding Object-Oriented ImageCoding Block Diagram Image Analysis/Synthesis 2-D Model: 8 parameters per object for motion and position Image analysis: Hierarchical STAGE 1: One object for the entire picture STAGE 2: Detect change areas and may divide an image to several objects STAGE 3: Detect small moving objects inside larger ones STAGE 4: … Image Analysis/Synthesis(cont.) Image Analysis/Synthesis(cont.) Bit Rates vs. Complexity (MUSMANN et al, “Object-oriented analysis-synthesis coding of moving images,” pp.117-138, Image Commun, OCT 1989) -Divide each image into moving objects, and encode 3 sets of parameters defining the (1)MOTION , (2)SHAPE , and (3)COLOR information of objects. 基于对象的编码 (MUSMANN et al, “Object-oriented analysis-synthesis coding of moving images,” pp.117-138, Image Commun, OCT 1989) -
文档评论(0)