Every index from the first sequence must be matched with one or more indices from the other sequence, and vice versa.time series) with certain restriction and rules: In general, DTW is a method that calculates an optimal match between two given sequences (e.g. time warp ( plural time warps ) ( science fiction) A hypothetical discontinuity in the flow of time that would uncausally move events from one time period to another. The first definition of time warp in the dictionary is any distortion of space-time. It can also be used in partial shape matching applications. Definition of time warp in the English dictionary. Other applications include speaker recognition and online signature recognition.
A well-known application has been automatic speech recognition, to cope with different speaking speeds. Time Warp definition: A hypothetical discontinuity or distortion occurring in the flow of time that would move events from one time period to another or suspend the passage of time. DTW has been applied to temporal sequences of video, audio, and graphics data - indeed, any data that can be turned into a one-dimensional sequence can be analyzed with DTW. time warp From Longman Dictionary of Contemporary English Related topics: Chronology time warp noun countable 1 be (caught/locked/stuck) in a time warp 2 an imaginary situation in which the past or future becomes the present Examples from the Corpus time warp Hanoi itself appeared to be caught in a time warp. For instance, similarities in walking could be detected using DTW, even if one person was walking faster than the other, or if there were accelerations and decelerations during the course of an observation.
Time warp definition series#
In time series analysis, dynamic time warping ( DTW) is an algorithm for measuring similarity between two temporal sequences, which may vary in speed. During this process, the body is said to be moving with a warp speed.DTW between a sinusoid and a noisy and shifted version of it. In this way, the body sometimes takes irregular shapes and covers a distance of millions of light years in no time, because the passage of time for that moving body has vanished.
In other words, no time passes inside the event horizon of the moving body. Definition of time warp in the dictionary. What does be stuck in a time warp expression mean Definitions by the largest Idiom Dictionary. When the body reaches the speed of light "c", its length becomes zero, its mass becomes infinite and the time factor vanishes. Definition of be stuck in a time warp in the Idioms Dictionary. These factors keep on increasing and decreasing with the increase in velocity. In time series analysis, dynamic time warping ( DTW) is an algorithm for measuring similarity between two temporal sequences, which may vary in speed. They sometimes refer to Einstein's theory that time and space form a continuum which bends, folds or warps from the observer's point of view, relative to such factors as movement or gravitation, but are also used in reference to more fantastic notions of discontinuities or other irregularities in spacetime not based on real-world science.Īccording to Einstein's theory of general relativity, when a body of mass "m" and volume "V" moves with a velocity "v", then its physical properties change in many ways. The terms time warp, space warp and time-space warp are commonly used in science fiction.
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