Is it possible perform RMSE and SSIM in different size image?

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Diah Junaidi
Diah Junaidi 2019-7-31
评论： Diah Junaidi 2019-8-1
Hi, I wanna obtain RMSE and SSIM in different size image cause the images I used cannot be equalized in size. I attached those images.

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Walter Roberson
Walter Roberson 2019-7-31
No, those measurements cannot be computed for images that are different sizes.
You would want to trim out the irrelevant borders and then imresize to have them match sizes. It might make sense to resize to a consistent size rather than to the larger or smaller size.
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Walter Roberson
Walter Roberson 2019-8-1
pix_used = any(YourImage,3);
col_used = any(pix_used,1);
row_used = any(pix_used,2);
first_col = find(col_used,1);
last_col = find(col_used,1,'last');
first_row = find(row_used,1);
last_row = find(row_used,1,'last');
cropped_image = YourImage(first_row:last_row, first_col:last_col,:);
Diah Junaidi
Diah Junaidi 2019-8-1
Got this problem:
Index exceeds matrix dimensions.
Error in cobaRMSE (line 26)
cropped_imageB = A(first_rowB:last_rowB, first_colB:last_colB,:);
close
A=imread('D:\DIAH\[MATLAB]cv1-fingerspelling-recognition-master\cv1-fingerspelling-recognition-master\Hasil Percobaan Standard\1.jpg');
B=imread('D:\DIAH\[MATLAB]cv1-fingerspelling-recognition-master\cv1-fingerspelling-recognition-master\Hasil Percobaan HSV\1\Hasil Citra HSV_1a.jpg');
pix_used = any(A,3);
col_used = any(pix_used,1);
row_used = any(pix_used,2);
first_col = find(col_used,1);
last_col = find(col_used,1,'last');
first_row = find(row_used,1);
last_row = find(row_used,1,'last');
cropped_image = A(first_row:last_row, first_col:last_col,:);
pix_usedB = any(B,3);
col_usedB = any(pix_usedB,1);
row_usedB = any(pix_usedB,2);
first_colB = find(col_usedB,1);
last_colB = find(col_usedB,1,'last');
first_rowB = find(row_usedB,1);
last_rowB = find(row_usedB,1,'last');
cropped_imageB = B(first_rowB:last_rowB, first_colB:last_colB,:);
figure,
imshowpair(cropped_image,cropped_imageB)

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