What does Apple mobile phone time-lapse photography mean?

Mobile phone time-lapse photography is also called time-lapse photography, also called time-lapse video. It is a kind of time-compressed shooting technology, which is also called time-reduced video at present. It takes a group of photos or videos, and then through photo stitching or video frame extraction, it compresses the process of minutes, hours or even days and years into a short period of time and plays it out in the form of video.

In time-lapse photography video, the slow change of an object or scene is compressed in a very short time, presenting a strange and wonderful scene that is usually imperceptible to the naked eye. Time-lapse photography can be regarded as the opposite of high-speed photography.

Time-lapse photography is usually used to shoot urban scenery, natural scenery, astronomical phenomena, urban life, architectural manufacturing, biological evolution and other topics. For example, it takes about 3 days and 3 nights for a bud to bloom, which is 72 hours. Shoot one frame of it every half hour, record the subtle changes of flowering action in turn, shoot 144 frame at * * *, then show it with a projector at normal frequency (24 frames per second), and reproduce the flowering process for 3 days and 3 nights within 6 seconds.

At present, in addition to cameras, mobile phones and driving recorders also have this function.

Extended data:

Time-lapse photography mainly focuses on natural scenery, urban humanities and biological activities. In nature, such as cell division, egg hatching, solar eclipse, cloud change, astronomical geography, urban change, urban life, transportation, scientific research and other topics.

At present, because SLR can take large-resolution photos, time-lapse photography is widely used to record 4K standard video. Many TV manufacturers often use time-lapse photography to shoot scenery, food, utensils and so on. In order to show the advantages of 4K film industry and get the video effects of hundreds of thousands or even millions of cameras at a small cost.

Time-lapse photography is also widely used in TV and movies, and its method of squeezing space often shows the artistic conception of the rapid passage of time, which has become the first choice for many film and television works.

References:

Baidu encyclopedia-time delay photography