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Questions tagged [resize]

The tag has no usage guidance.

2
votes
2answers
148 views

Cropping vs. resizing: which is better/more acceptable?

Say I have a photo with a 4:3 aspect ratio that is 18 MP, and I simply want to get rid of dead space on the lower third of the image. Which of the following would be the most used method for this? ...
2
votes
1answer
82 views

Is there a way to determine if two photos are identical, ignoring relative differences in image sizes?

Is there a reliable way to determine if two or more photos are the same, regardless of relative image size differences?
3
votes
2answers
725 views

What does 2500 pixels on the long dimension mean?

I have a rather silly and very simple question. In all photography competitions, they mention that the pictures should be sized to x number of pixels on the long dimension. What does that exactly mean?...
1
vote
2answers
81 views

How to make Identical Images Of the Same Dimensions and Pixel Density Have Similar size [closed]

I have two images with the same dimensions. One is a facebook icon and the other is a plain white image. They are 32 bit, 128 pixels by 128 pixels, 96 pixels per inch and 3.39 cm but one is 1.87kb and ...
4
votes
1answer
353 views

A 10GB tif image by NASA of the Moon. How do I resize/downscale it to use it?

I have downloaded a texture map. Found here: https://astrogeology.usgs.gov/search/map/Moon/LRO/LROC_WAC/Lunar_LROC_WAC_GLD100_79s79n_118m_v1_1 And I cannot open it so I can downscale it to use it in ...
0
votes
1answer
90 views

Enlarge an image without contour having a staircase effect [closed]

I know it's impossible to magically "add more resolution" to a 600x600px image to turn it into a 3000x3000px image (goal: print it in around 30x30 cm). (I have done some signal digital processing math,...
0
votes
2answers
183 views

How to save pictures for websites

I put HD pictures on my website and it takes a lot of time for them to load. I've then tried re-saving them using Photoshop CC as jpeg and choosing 1 in the compression scale (going from 1 to 12). ...
0
votes
1answer
937 views

Batch resize images to a particular ratio without cropping

I'm looking for a way to batch resize photos to a particular ratio without cropping. For example, if I have pictures with 2x3 ratio which is default for my camera and I want to print it with 5x7 ratio ...