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daniellei4510
Community Expert
daniellei4510Community Expert
Community Expert
June 4, 2023
Answered

Images Sizes for Adobe Stock

  • June 4, 2023
  • 3 replies
  • 13180 views

Just curious. I prefer to upload images to Adobe Stock that are 300 dpi at 30" along the long side. But now and then, images that large begin to degrade, but look fine if they are at 300 dpi at 14" or 15" along the long side. Are those acceptable or would they be rejected?

 

[Moderator moved the thread to the correct forum]

Correct answer Nancy OShea

First of all, what are you submitting?  Raster images  -- Jpg?  Or Vector graphics - - .ai, .eps, .svg?

 

Photography should always be captured at highest camera settings available and exported to sRGB color JPG without altering its height x width in pixels.

 

Generative AI must be high resolution diffusion from the start.  Midjourney's high-res diffusions are approx 2800 px wide.

 

Vector graphics however are resolution independent. What does that mean?  It means math-based graphics can be re-scaled to any size needed without quality loss.

 

 

3 replies

Nancy OShea
Community Expert
Nancy OSheaCommunity ExpertCorrect answer
Community Expert
June 4, 2023

First of all, what are you submitting?  Raster images  -- Jpg?  Or Vector graphics - - .ai, .eps, .svg?

 

Photography should always be captured at highest camera settings available and exported to sRGB color JPG without altering its height x width in pixels.

 

Generative AI must be high resolution diffusion from the start.  Midjourney's high-res diffusions are approx 2800 px wide.

 

Vector graphics however are resolution independent. What does that mean?  It means math-based graphics can be re-scaled to any size needed without quality loss.

 

 

Nancy O'Shea— Product User & Community Expert
daniellei4510
Community Expert
daniellei4510Community ExpertAuthor
Community Expert
June 5, 2023

I submit upscaled AI images by way of Lightroom (also using AI upscalers≠. I aim for 300 dpi at a maximum dimension of 30" along the longest edge. I have a .047% rejection rate (some of which were uploaded at 72 dpi by accident). I'm well aware that AI images in particular are judged with additional cautions and limitations and that is understandable. I follow all the rules. I'm relatively new to Adobe Stock, so I don't have a huge number of images uploaded at this point but I've sold a few. Quality is extremely important to me. But I have created some good images that look horrid at 300 dpi @17278815" wide or long, but look fine at, say 14" at the longest side. Will those be rejected outright or can those be accepted if they meet all other requirements? In other words, this is about physical size, not DPI or PPI or whatever.  I understand how all that works. 

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daniellei4510
Community Expert
daniellei4510Community ExpertAuthor
Community Expert
June 10, 2023

Upscaling is not allowed and recommended. Upscaling does not produce more information. 

 

On stock the only measure that counts are the number of pixels, regardless of any ppi value. 

 

When upscaled assets look bad, they are bad and they will be refused.

 

It is possible to get upscaled assets through moderation, but upscaling creates typical artefacts and amplifies artefacts. 


This simply is no longer true. I'm a retired photographer and too old (and poor) to be fussing with cameras, lighting equipment, paying models, etc. In addition, the majority of my photographic works were of fine art nudes and portraits which I wouldn't even attempt to post to Adobe Stock for obvious reasons, not the least of which would include the absense of model releases, some of whom are dead or unreachable since the 25+ years I photographed them.

So 100% my uploaded images are AI images that have been upscaled from 1024px along the longest side to 9000px along the longest side @300 dpi. I'm also relatively new to Adobe Stock. I have a .066 rejection rate (25 rejections compared to 385 acceptances), only a few of which were tagged for quality issues. In many cases, the rejected images had little to do with softness, focusing issues, artifacts, chromatic abberations and so forth. Parts of the rejected images were simply not so realistic in the eyes of the moderators.  I simply didn't look closely enough to check if they contained issues, such as a railing not following a winding stair case in a realistic manner. I've since learned to check every square inch of the images I upload, correct them if possible, and it has been weeks since my last rejection.

 

But I diregress. Point is, the old rules about upscaling and reducing images simply isn't an issue anymore. With a vareity of AI tools, including facial restoration (AI still cannot do eyes properly so they have to be rounded out or re-colored), upscaling, sharpening, jpeg artifact removal, etc., I can achieve very sharp results with little to no additional Photoshopping from very small images.

And please don't get me started on AI vs. real photography. AI designers are not the ones clogging up the process of slow reviews and acceptances of images. (Or at least not the only ones). It's people submitting sub-par images who are very new to photography with little or limited knowleged of lighting, composition, focusing issues, etc., and who believe their $5000 cameras can't possibly take bad photographs.

 

OK. Now I'm starting to rant and I need to get to bed.

Adobe Community Expert | If you can't fix it, hide it; if you can't hide it, delete it.
T
Test Screen Name
Legend
June 4, 2023

Adobe Stock should have a big message "PPI IS NOT RELEVANT". Really, it is not relevant. Ignore all the web pages which claim it is a measure of quality. Adobe require a minimum size of 4MP (megapixels not MB as some people read it) - be sure you reach that size. Don't reduce it, images of 50MP are welcome.

But there may be something you are not saying. Perhaps you are increasing the size in pixels to reach your target. You MUST NOT do this, Adobe forbid it. Keep your photo, or generative AI, at the original size in pixels - or crop it as needed.

Abambo
Community Expert
AbamboCommunity Expert
Community Expert
June 4, 2023

If I understand your request well, you are a contributor.

 

When uploading pixel assets, you should upload them at the highest resolution in pixels as created. You should not resample the asset: you should not enlarge, you should not scale down (change the pixel values).

 

The DPI value (it is indeed the PPI value, but never mind) can be set at any size you like, as it is a completely senseless parameter for our use. Something like 200 or 300 dpi is OK. But it would change nothing in the image quality if you would set it at 1200dpi or 1 dpi. This is true as long as you do not resample the asset.

 

Anything else does not make sense.

 

https://en.wikipedia.org/wiki/Dots_per_inch

ABAMBO | Hard- and Software Engineer | Photographer
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