So I've seen these high quality photographs on Instagram which look like they are Combination of motion & still photographs. I mean some parts of the image is still just like a normal snapshot while some other details are moving. What is the name of this technique? Does it need specific imaging equipments or is it done with a specific software? In what file format are they uploaded to Instagram? I presume, they are not JPEGs, PNGs or RAWs, are they? Here is one example of what I mean:
Cinemagraphs are composite images using a variety of source material combined into a single image.
By the time they are uploaded to Instagram or similar sharing sites they are GIFs or in other common video file formats, but they are normally created from a set of still images or from manipulating elements within a single still image to make it look like some of the elements are moving.