Image prediction method and system

A technology for predicting frames and pixels, applied in the field of image processing, can solve problems such as ME/MC technology cannot be completely extracted, and achieve the effect of releasing a huge burden

Active Publication Date: 2014-04-09
FRANCE TELECOM SA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this ME / MC prediction method is not actually a final solution for predicting future frames, since it is based on the assumption that the captured moving object is performing a translational motion, which is not always true
Furthermore, for image estimation involving non-Gaussian processes, ME / MC techniques cannot fully extract all possible information about the past that will help predict future frames

Method used

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  • Image prediction method and system
  • Image prediction method and system

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Embodiment Construction

[0030] The following is a description of example embodiments which, when taken in conjunction with the accompanying drawings, will demonstrate the above-mentioned features and advantages, and introduce additional features and advantages.

[0031] In the following description, for purposes of explanation rather than limitation, specific details such as architectures, interfaces, techniques, devices, etc. are set forth for illustration. However, it will be apparent to a person skilled in the art that other embodiments that depart from these details will still be understood to be within the scope of the appended claims.

[0032] Moreover, for the purpose of clarity, detailed descriptions of well-known devices, systems and methods are omitted so as not to obscure the description of the present invention. Furthermore, routers, servers, nodes, base stations, gateways, or other entities in the telecommunications network are not described in detail, as their implementation is beyond t...

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Abstract

A method for Computing a predicted frame from a first and a second reference frames, said method comprising for each block of pixels in the predicted frame the acts of defining a first block of pixels in the first reference frame collocated with a third block of pixels which is the block of pixels in the predicted frame; defining a second block of pixels corresponding, in the second reference frame, to the first block of pixels along the motion vector of said first block from said first to second reference frames; Computing a first set of coefficients allowing the transformation of the pixels of the first block into pixels of the second block; Computing pixels of the third block using the first set of coefficients and pixels from a fourth block collocated in the first reference frame with the second block of pixels.

Description

technical field [0001] The present invention relates generally to image processing, and more particularly to image prediction. Background technique [0002] Forecasting is a statistical estimation process in which one or more random variables are estimated from observations of other random variables. When the variable to be estimated is in some sense related to the "future" and the observable variable is related to the "past", this is called forecasting. One of the simplest and most common forecasting techniques is linear forecasting. Linear prediction consists, for example, in predicting a vector from another vector. The most common use of forecasting is to estimate a sample of a stationary stochastic process (that is, a random stochastic process whose joint probability distribution does not change when shifted in time or space) from observations of several prior samples. The predicted Another application is in image / video compression when estimating pixel blocks from ob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/30H04N19/577H04N19/105
Inventor 王荣刚张永兵
Owner FRANCE TELECOM SA
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