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Automated dance animation

專利號(hào)
US11176723B2
公開日期
2021-11-16
申請(qǐng)人
Snap Inc.（US CA Santa Monica）
發(fā)明人
Gurunandan Krishnan Gorumkonda; Shree K. Nayar
IPC分類
G06T13/20; G06T7/246; G06T13/80; G06T13/40
技術(shù)領(lǐng)域
animation,motion,model,audio,animations,or,in,messaging,computer,be
地域： CA CA Santa Monica

摘要

Methods, devices, media, and other embodiments are described for generating, modifying, and outputting pseudorandom animations that can be synchronized to audio data. In one embodiment, a computer animation model made up of comprising one or more control points is accessed by one or more processors, which associate motion patterns with a first control point of the one or more control points, and associate one or more speed harmonics with the first control point. A set of motion states is identify with a motion state for the combinations of possibilities, and a probability value is assigned to each motion state of the set of motion states. The probability value can be used to probabilistically determine a particular motion state to be part of displayed animation for the computer animation model.

說明書

In some embodiments, the set of audio characteristics comprises an audio energy value and the first motion state is randomly selected from a subset of the plurality of motion states based on the audio energy value, wherein the subset of the plurality of motion states comprise an audio energy match characteristic associated with the audio energy value. In some such embodiments, the set of audio characteristics further comprises a beat value, a tempo value, a melody value, and a danceability value. Similarly, in some embodiments, the audio energy value and the danceability value are based on a beat consistency over time value and a fundamental frequency value associated with a melody of the audio data. Other embodiments can use other such combinations or other data characteristics.

FIG. 12 illustrates an example method 1200 in accordance with some embodiments described herein. FIG. 12 is a flowchart illustrating a method for managing a state-space for a pseudo random computer animation model, according to certain example embodiments. Method 1200 may involve operations at a client device 102 in conjunction with operations of a messaging server system 108. In some embodiments, method 1200 is embodied in computer-readable instructions stored in a non-transitory storage of a client device 102 that performs method 1200 when the instructions are executed by processing circuitry of the client device 102.

權(quán)利要求

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