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Ask HN: How to extract product label from a sequence of 306 product images?

3 点作者 lilouartz11 个月前
I have 360 pictures of a supplement bottle. I want to extract product label out of those pictures. Is there anything that could do this?<p>I would imagine the software would need to project series of images onto a cylinder, align them, and then recognize and extract the label.<p>Feels like I will need to write the solution myself, but figured I will ask before I start tackling the problem.

2 条评论

serf11 个月前
stitch the images together (sift,orb) and apply a perspective transform.<p>if the images are uniform enough in style you can then probably crop them all at once with mask coordinates.<p>opencv&#x2F;imagemagick will handle all of it.<p>if the images <i>aren&#x27;t</i> uniform enough to crop them all at once, consider the use of a &#x27;lazy susan&#x27; style vertical rotisserie, take all the photos from the same plane, easy post-processing.
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ahazred8ta11 个月前
The keywords seem to be Photogrammetry 3D Model creation ... GIYF