It's not the same as capturing BRDFs with images from your phone, but Allegorithmic (the company that makes Substance Painter) has a blog post on using your smart phone and some other materials like a cardboard box, led, stand, and a color checker to capture materials like leather and fabric for use in projects:
It's not the same as capturing BRDFs with images from your phone, but Allegorithmic (the company that makes Substance Painter) has a blog post on using your smart phone and some other materials like a cardboard box, led, stand, and a color checker to capture materials like leather and fabric for use in projects:
https://www.allegorithmic.com/blog/your-smartphone-material-scanner