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How can I move a binary image to the center?

2 vues (au cours des 30 derniers jours)
Jacob Ebilane
Jacob Ebilane le 31 Mai 2022
I'm trying to make a character segmentation. I've succesfully extracted the characters but now I need to keep the important bits in the center of the 28x28 image AUTOMATICALLY since it somehow messes up classification. In this instance, this 1 somehow gets read as a 7
.

Réponses (2)

DGM
DGM le 31 Mai 2022
Modifié(e) : DGM le 31 Mai 2022
Without knowing how the object images were obtained, it's hard to say how to change the process. You should have the bounding box information for each object. It's then up to you to get that image region and pad it to a fixed geometry. You can use padarray(), but you'll have to calculate individual padding widths.
This is an example using rice grains. A lot of the discussion about masking can be ignored. The relevant part is the padding.

Image Analyst
Image Analyst le 31 Mai 2022

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