How to Image warping?

Method and device for generating morphing animation,Determination of the time relation between speech signals affected by time warping

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Image warping is the process of digitally manipulating an image such that any shapes portrayed in the image have been significantly distorted. Warping may be used for correcting image distortion as well as for creative purposes (e.g., morphing). The same techniques are equally applicable to video.

Method and device for generating morphing animation

ActiveUS20130079911A1Improve visual effectsReduce the differenceCathode-ray tube indicatorsAnimationMorphingAnimation

Embodiments of the present invention provide a method and a device for generating a morphing animation from multiple images, where the method includes: performing hue preprocessing on adjacent images among multiple images; determining the quantity of intermediate frames between the adjacent images according to a feature point differential of the adjacent images on which the hue preprocessing has been performed, generating, between the adjacent images through an image warping technology, intermediate frame images, the quantity of which is the same as that of the intermediate frames, insert the intermediate frame images between the adjacent images, and generate a morphing animation from the multiple images and the intermediate frame images that are inserted between all adjacent images among the multiple images. The morphing animation generated in the present invention is smooth and natural, thereby improving a morphing effect of the morphing animation.

Owner:HUAWEI TECH CO LTD

Determination of the time relation between speech signals affected by time warping

InactiveUS7139705B1Ignore effectDigital computer detailsSpeech recognitionCommunications systemImage warping

A method of determining the time relation between an original or input speech signal (10) and an output speech signal (15) affected by time warping in a communications system, such as a VoIP (Voice over Internet Protocol) system. Wherein corresponding speech bursts (11, 12; 16, 17) of the input (10) and output speech signal (15) are located in accordance with a predefined signal property thereof. The corresponding speech bursts (11, 12; 16, 17) thus located and time aligned (10, 30) for the correction of continuous and discontinuous warping effects. A performance estimate is generated by comparing the time aligned input and output speech signals (10, 30) applying cross-correlation techniques and PSQM (Perceptual Speech Quality Measure) or PSQM+ (Enhanced Perceptual Speech Quality Measure) techniques.

Determination of the time relation between speech signals affected by time warping

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Owner:KONINK KPN NV

2 results about "Image warping" patented technology

Method and device for generating morphing animation

Determination of the time relation between speech signals affected by time warping

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