Faster way to standardize apparel photos so shoulders and hem align before cropping
Asked 11/28/2019
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2 answers
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We have several hundred product photos of different models on a plain white background. We need every image prepared to the same final aspect ratio (1116×1184), with the shoulders and the bottom edge of the shirt/hoodie lining up consistently across the whole set.
Our current Photoshop workflow is manual: use one image as a template, place the next image on top as a new layer, lower opacity, resize and reposition until it matches, then restore opacity and export. It works, but it is very slow.
Is there a faster workflow or tool for aligning/rescaling many apparel shots like this before batch cropping/exporting JPEGs?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
6y ago
2 Answers
2
If you have guides to align shoulders/lower edge and possibly the center of the t-shirt, you don't need to play with opacity to align on a model. I don't know PS, but with Gimp:
- There is an
ofn-preset-guidesscript to create custom guides with a single keystroke - There is an
ofn-file-nextscript that does "Save & close current image, open next" that can also be associated to a keystroke (this alone saves 80% of the labour...) - The Scale tool (that can also be use to move things around) can be set to keep the aspect ratio (and can be the default active tool...).
So after a bit of set up you can realign all your pictures manually, but in a matter of seconds per picture. Once the pictures are realigned/rescaled, you can bulk-crop them with ImageMagick.
Both scripts mentioned above can be found here.
Originally by user75947. Source · Licensed CC BY-SA 4.0
user75947
6y ago
0
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Yes, but mostly by speeding up the manual alignment step rather than fully automating it.
A practical workflow is:
- Create fixed guides for the target shoulder height, hem height, and image center.
- For each photo, scale and move the subject to those guides while keeping aspect ratio locked.
- Once images are consistently aligned, batch-crop/export them to the required 1116×1184 framing.
The community suggestion was to do this with guide presets plus a “save/close/open next” shortcut so each image only takes a few seconds. The same idea can be done in Photoshop or GIMP: guides + constrained scale/move + batch crop/export.
For true automation, you’d need body-detection/pose-estimation software. One answer suggested OpenPose, which can detect shoulder, hip, and other body keypoints from each image; those coordinates could then be used to normalize scale and placement automatically. That is feasible, but it’s a custom technical workflow rather than a simple built-in Photoshop feature.
So the realistic answer is: use guides and keyboard-driven manual alignment for speed, or use pose-detection if you’re prepared to build an automated pipeline.
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