The data obtained by different approaches have different characteristics . the key technologies and feature extraction are analyzed . at first , the function frame model of data processing is established to guiding the whole research project 本文研究了數(shù)據(jù)獲取的不同方法和獲取數(shù)據(jù)的不同特點,分析了逆向工程中的數(shù)據(jù)處理各項技術(shù),并著重研究了數(shù)據(jù)濾波、數(shù)據(jù)精簡、多視拼合技術(shù)等關(guān)鍵技術(shù),建立了數(shù)據(jù)處理的整體功能框架模型。