gusucode.com > 基于matlab软件,实现双目视觉原理的摄像机标定,能根据各视场图像求内、外部参数 > 基于matlab软件,实现双目视觉原理的摄像机标定,能根据各视场图像求内、外部参数/TOOLBOX_calib/dAB.m
function [dABdA,dABdB] = dAB(A,B); % [dABdA,dABdB] = dAB(A,B); % % returns : dABdA and dABdB [p,n] = size(A); [n2,q] = size(B); if n2 ~= n, error(' A and B must have equal inner dimensions'); end; if issparse(A) | issparse(B) | p*q*p*n>625 , dABdA=spalloc(p*q,p*n,p*q*n); else dABdA=zeros(p*q,p*n); end; for i=1:q, for j=1:p, ij = j + (i-1)*p; for k=1:n, kj = j + (k-1)*p; dABdA(ij,kj) = B(k,i); end; end; end; if issparse(A) | issparse(B) | p*q*n*q>625 , dABdB=spalloc(p*q,n*q,p*q*n); else dABdB=zeros(p*q,q*n); end; for i=1:q dABdB([i*p-p+1:i*p]',[i*n-n+1:i*n]) = A; end;