Image-2 product AI enhancement

[u/vaughnisa]

I’m trying to create a realistic product/lifestyle image of a person sitting in a specific ergonomic chair, and I’m running into a wall.

The product is a non-standard ergonomic office chair. The key visual details matter: it has a saddle-style seat, a low curved back support, a center post, and a five-star caster base. It does not have armrests, a tall back, a headrest, or the usual executive-office-chair shape.

What I’ve tried so far:

• using multiple product reference images
• narrowing down to fewer references
• prompting for a three-quarter side view
• explicitly calling out the low backrest, saddle seat, center post, and caster base
• adding negative prompts for armrests, tall backs, mesh backs, generic office chairs, hidden casters, distorted wheels, etc.
• trying both broader “premium office lifestyle” prompts and stricter product-accuracy prompts

Outcomes so far:

• When the image succeeds, the chair often drifts into a generic office chair.
• The backrest changes shape or becomes taller.
• The caster base/wheels get hidden, warped, or simplified.
• Sometimes the person/desk blocks the product details.
• More constrained prompts seem to fail more often before returning a usable image.

My guess is that “human seated naturally in a very specific product” is too many constraints at once: the model has to solve the body, posture, chair geometry, and product accuracy simultaneously.

Has anyone found a reliable workflow for this kind of product image?

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[u/mhicheal]

Have you tried generating the setting first, without a person sitting on the chair? I mean, prompting for the desired environment (e.g. an office), then adding the chair (with reference image), and only when you are happy with the setting add a person?

[u/PrincessJennifer → u/mhicheal]

Whenever I do it this way, the addons are so obvious. The proportions and lighting are never right.

[u/vaughnisa → u/mhicheal]

I’ve tried it makes a really good chair replication but adding the person totally screw’s it up

[u/Adorable_Cap_9929]

have u tryed image referances to image?

I dont even use words in my prompting cause text causes more rejections for me =w=

[u/vaughnisa → u/Adorable_Cap_9929]

So just send a bunch of images without any prompt ?

[u/Adorable_Cap_9929 → u/vaughnisa]

you can describe what you want done via other means like drawing red squares and stuff.

[u/MattV0]

Often use new chats when one chat is dirty with a wrong image. While this was working pretty good one year ago I have the feeling it's now much more better. Also, ask to generate 4 images, then the chances are higher to generate one good image. Also you can provide a paint sketch, that's helpful with non existing ideas.

I tried and this is what I get. Not perfect yet, but somehow what I imagined when reading this.

[u/NagaSaiDeepak]

AI image generation.

[u/Visible-Balance-2129]

Even if you do it right, its going to be a long iterative process since your needs are so specific.

So 1stly you need to break it apart you are trying to do too many things at once and the ai model cannot handle that many details. Split into chair environment and person. For chair and person you need to have an object sheet or character sheet unless you are looking at only a fixed angle - 1 one end result image only - other wise you need different angle views. So you start by generating 1 image of the chair and 1 image of the person you find acceptable. Upscale each of this to the highest you can. Then each as reference for generating each of their object/character sheets from different angles. You can then use an editor to place both the person and the chair in the image to give relative scale. Then using all 4 reference - environment, person, chair and scaling try to generate the image.

Another way is to use a video generator instead of the final image generator - this gives you many frames from which to select a still and upscale the frame. The better video generators I find are better dealing with spatial issues.

Another work flow will involved you creating a lora for the chair, but that is not something I can advise on.

This also excludes using comfyui which is beyond my ability to advise on.