The API is not stable yet and is expected to change between revisions. This Python code is not optimized for speed. Refer to the transformations.c module for a faster implementation of some functions.

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Experiments in the physical chemistry laboratory often require moderately complex ...

For Richard Gordon, origami is like a piece of music. While an individual fold may not be particularly impressive, many together can make the paper sing. A floppy sheet can transform into a flapping ...

Terrestrial time-lapse photogrammetry is a rapidly growing method for deriving measurements from glacial environments because it provides high spatio-temporal resolution records of change. Currently, ...

If you watch old science fiction or military movies — or if you were alive back in the 1960s — you probably know the cliche for a radar antenna is a spinning dish. Although the very first radar ...

Issue: It's not detecting faces in my very simple image I took with my iPhone / Android phone! Cell phones often save images sideways and encode an EXIF rotation attribute in the image that tells you ...