Unrecognized function or variable 'extractDe​scrAppeara​nce'. error

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ba nnvxbdf
ba nnvxbdf 2022-10-30
编辑： Jan 2022-10-30
Hi, my code works well but it doesnt show figure 3 and 4 and i get this error
Unrecognized function or variable 'extractDescrAppearance'. error
at line 28 - colour_h1 = extractDescrAppearance(img1,key_point1);
here where i think the error starts
colour_h1 = extractDescrAppearance(img1,key_point1);
gradient_h1 = extractDescrGradient(img1,key_point1);
colour_h2 = extractDescrAppearance(img2,key_point2);
gradient_h2 = extractDescrGradient(img2,key_point2);
colour_h2(1:30,:)=randn(size(colour_h2(1:30,:)));
D = pdist2(colour_h1,colour_h2); figure(5); clf; imagesc(D);
matchlist = matchDescrs(colour_h1,colour_h2);
figure(3);imshow(img_raw1); hold on;
figure(4);imshow(img_raw2); hold on;
clist='rgbcmykrgbcmykrgbcmyk';
k=1;i=1;
while(i<numel(matchlist)&&k<21)
if(matchlist(i)<1), i=i+1; continue; end
figure(3); plot(key_point1(i,1),key_point1(matchlist(i),2),[clist(k),'*']);
figure(4); plot(key_point2(i,1),key_point2(matchlist(i),2),[clist(k),'*']);
k=k+1;i=i+1;
end

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回答（1 个）

Jan
Jan 2022-10-30
编辑：Jan 2022-10-30
Neither extractDescrAppearance nor extractDescrGradient is a known Matlab command. Searching in the net does not find a match. So it is your turn to find out, which functions are meant. Did you write them by your own? Are they stored in a folder belonging to the Matlan path?
Note:
k=1;i=1;
while ...
k=k+1; i=i+1;
end
k and i have the same value. What is the reason to use two variables with the same value?

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