save structures with fields in one .mat file

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Eirik Kvernevik
Eirik Kvernevik 2021-6-9
评论： Eirik Kvernevik 2021-6-9
I have n structures. Inside each of the n structures there are 6 fields and one struct array of size 20 each of them containing 2 fields
here is the code:
for i = 1:10
for j = 1:20
image_struct(i).reg(j) = registerImage(Moving,Fixed);
end
end
the image_struct(i) contains the following fields :
example with i = 1
>> image_struct_toID(1)
struct with fields:
name: 'image1'
original: [272×247×3 uint8]
IDnr: '000012'
Coord: [106 94]
circle_Radi: 43
circularimage: [87×87 double]
reg: [1×20 struct]
the structure array reg contains the following :using j = 1 as example :
>> image_struct_toID(1).reg(1)
struct with fields:
RegisteredImage: [87×87 double]
DisplacementField: [7656×2 double]
for each index i and j I want to save the resulting structures and fields in one . mat file , how can I do this ?
That is, I want everything stored in one .mat file
  2 个评论
Stephen23
Stephen23 2021-6-9
编辑：Stephen23 2021-6-9
"I want everything stored in one .mat file"
save('myfile.mat','image_struct')
Using indexing is the simplest and most efficient way to access the elements of a non-scalar structure.
Eirik Kvernevik
Eirik Kvernevik 2021-6-9
thank you !
I also found out that if I want to store the structures while the for loops are running I can do this :
for i = 1:10
for j = 1:20
image_struct(i).reg(j) = registerImage(Moving,Fixed);
end
imageStruct.(sprintf('b%d',i)) = image_struct(i);
save('myfile.mat','-struct','ImageStruct');
end

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