Why does this error happen?

2020 3 1
1 个回答
更新时间：2020 3 1
16 次查看（30 天）

0 个投票

load NewTemplates
snap=imread('image1.png');
snap=imresize(snap,[42 24]);
rec=[ ];
for n=1:length(NewTemplates)
cor=corr2(NewTemplates{1,n},snap);
rec=[rec cor];
end
error-> ??? Cell contents reference from a non-cell array
object.
Error in ==> Letter_detection at 9
cor=corr2(NewTemplates{1,n},snap);

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回答（1 个）

Guillaume
Guillaume 2020-3-1

0 个投票

Your code expects that NewTemplates is a cell array (or an object that supports {} indexing). It isn't. Presumably, NewTemplates is popped into existence by your load NewTemplates, so you need to investigate that file to see what it contains.
What is
class(newTemplates)

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