error is : Subscripted assignment dimension mismatch.

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Ushna Asif
Ushna Asif el 14 de Nov. de 2015
Respondida: Dima Lisin el 23 de Nov. de 2015
this is my code for extraction of feature from folder having three sub folders but i am giving error at line trainingFeatures(featureCount,:)= ..... error is : Subscripted assignment dimension mismatch.
trainingFeatures = zeros(size(training,2)*training(1).Count,1008);
featureCount = 1;
for i=1:size(training,2)
for j = 1:training(i).Count
trainingFeatures(featureCount,:)= extractHOGFeatures(read(training(i),j));
trainingLabel{featureCount} = training(i).Description;
featureCount = featureCount + 1;
end
personIndex{i} = training(i).Description;
end

Respuesta aceptada

Dima Lisin
Dima Lisin el 23 de Nov. de 2015
You may be getting this error because there may be different numbers of images in each imageSet. The easiest thing to do here is to make trainingFeatures a cell array.

Más respuestas (1)

Image Analyst
Image Analyst el 14 de Nov. de 2015
You say size(training,2) indicating training is a 2D array, but then you later say training(i).Description indicating it's a 1-D array of structures. Before the loop, what does it say if you do this:
class training
whos training
size(training)
  2 comentarios
Ushna Asif
Ushna Asif el 16 de Nov. de 2015
I'm getting this outputs
>>class training
ans =
char
>> whos training
Name Size Bytes Class Attributes
training 1x3 9682 imageSet
>> size(training)
ans =
1 3
Image Analyst
Image Analyst el 16 de Nov. de 2015
Sorry, I don't have the Computer Vision System Toolbox so I can't test anything with imageset variables. Perhaps Dima will answer.

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