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    發布日期: 2021-05-12
  • 語言: 其他
  • 標簽: Ransac算法??

資源簡介

通過Ransac算法剔除噪聲點,用最小二乘法擬合直線和不剔除噪聲點擬合直線之間的比較。

資源截圖

代碼片段和文件信息

%%How?many?outside?points?fit?the?model?judging?by?the?distance?from?the?point?to?the?line%%
%Consensus_Setx?????The?original?x?Bureau?points
%Consensus_Sety?????The?original?y?Bureau?points
%Maybe_outliersx????The?x?Outlier
%Maybe_outliersy????The?y?Outlier
%line_vec???????????Linear?coefficient
%point_line_dis?????Point-to-line?distance?threshold
function?[Re_Consensus_Set2dRe_Consensus_Set3d]?=?AgreeWithModel(Consensus_SetxConsensus_SetyMaybe_outliersxMaybe_outliersyline_vecpoint_line_dis)
Consensus_Set_temx?=?Consensus_Setx;????????????????%Temporary?variables?are?saved
Consensus_Set_temy?=?Consensus_Sety;
[mn]?=?size(Maybe_outliersx);
for?i=1:m
????distem?=?abs(line_vec(11)*Maybe_outliersx(i1)+line_vec(12)-Maybe_outliersy(i1))/sqrt(line_vec(11)^2+1);%Judge?the?distance?from?the?point?to?the?line
????if?(distem?????????Consensus_Set_temx?=?[Consensus_Set_temx;Maybe_outliersx(i1)];
????????Consensus_Set_temy?=?[Consensus_Set_temy;Maybe_outliersy(i1)];
????end
end
Re_Consensus_Set2d?=?Consensus_Set_temx;
Re_Consensus_Set3d?=?Consensus_Set_temy;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-02-28?22:49??Ransac_ls\
?????文件????????1254??2018-02-28?22:21??Ransac_ls\ransactest.m
?????目錄???????????0??2018-02-28?22:54??__MACOSX\
?????目錄???????????0??2018-02-28?22:54??__MACOSX\Ransac_ls\
?????文件?????????210??2018-02-28?22:21??__MACOSX\Ransac_ls\._ransactest.m
?????文件?????????300??2018-02-06?21:21??Ransac_ls\ls.m
?????文件?????????266??2018-02-06?21:21??__MACOSX\Ransac_ls\._ls.m
?????文件????????1726??2018-02-06?23:55??Ransac_ls\RandomNData.m
?????文件?????????120??2018-02-06?23:55??__MACOSX\Ransac_ls\._RandomNData.m
?????文件?????????357??2018-02-06?23:44??Ransac_ls\NumInVec.m
?????文件?????????120??2018-02-06?23:44??__MACOSX\Ransac_ls\._NumInVec.m
?????文件?????????276??2018-02-07?00:01??Ransac_ls\ls_test.m
?????文件?????????210??2018-02-07?00:01??__MACOSX\Ransac_ls\._ls_test.m
?????文件????????1116??2018-02-06?23:41??Ransac_ls\AgreeWithModel.m
?????文件?????????120??2018-02-06?23:41??__MACOSX\Ransac_ls\._AgreeWithModel.m

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