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Do I have to worry about borders when I resize a large image in blocks?

Hi,

If I first divide an image into 4 (2x2) blocks, resize them by 50% in each dimension separately and put them back together, will the image be different from an image directed resized from the original. I mean will I have to worry that borders between blocks will have some artifacts because they now lose neighbors during calculation?

Do I have to worry about borders when I resize a large image in blocks?

Hi,

If I first divide an image into 4 (2x2) blocks, resize them by 50% in each dimension separately and put them back together, will the image be different from an image directed resized from the original. I mean will I have to worry that borders between blocks will have some artifacts because they now lose neighbors during calculation?

calculation?