assert_c.m

摄像机圆球标定程序（包括SDP,DSDP,IDC,DIDC,ALG,DALG六种算法的实现）

function [C]=assert_c(C)

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
for i=1:3
    Ci=C{i};
    if Ci(1,1)<0
        C{i}=-C{i};
    end
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
for i=1:3
    Ci=C{i};
    if Ci(1,1)>0 & Ci(2,2)>0 & Ci(3,3)>0
        %disp('校验正确')
    else
        C=[];
        disp('校验错误')
    end
end