Users post images on Social media, highlighting miniature objects holding in their hands. These posts may contain fingers in the uploaded photograph. Few of these photographs also contain clearly visible ridge-valley details. Using hashtags #miniature, #myhand, and #finger, we collect Social-Media Posted Finger-selfie (SMPF) database. The database consists of 1,000 images, each of which is collected from public Instagram posts. These images are handpicked so that ridge-valley details in proximal phalanx is visible.
The database can be downloaded from here.